JP2003280758A - Information processing apparatus capable of switching applications and control method thereof - Google Patents

Abstract

(57) [Problem] To provide an information processing apparatus capable of disconnecting a connection between a computer and a display terminal. An information processing device according to the present invention includes a display terminal device, and a computer connectable to and separable from the display terminal device, wherein the computer includes a first wireless communication unit that transmits information including an image signal. Output information including image signals,
A first connector connectable to a second connector of the display terminal device, a first program for not operating the first wireless communication unit, and a second program for operating the first wireless communication unit are stored. The display terminal device receives information including an image signal, receives a second connector connectable to the first connector, and receives information including the image signal. Wireless communication unit, a third program that does not operate the second wireless communication unit, and a second storage unit that stores a fourth program that operates the second wireless communication unit.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information processing device including a display terminal device and a computer whose applications can be switched and a control method thereof.

[0002]

2. Description of the Related Art Heretofore, an extension system based on addition of a docking option of a computer and dynamic recognition is disclosed in Japanese Patent Laid-Open No. 10-293631. The optional device docked to the device body is identified by signal exchange between the device body and the option device through a plurality of input / output ports that collectively define an interface between the device body and the option. Further, as an information terminal device in which the liquid crystal display panel / input tablet portion can be attached and detached even when the device body is in the power-on state, there is known one described in Japanese Patent Laid-Open No. 10-105274. However, in all of these devices, a plurality of peripheral option devices are connected based on the device main body, and the information terminal device itself (not including the option device) is connected to a plurality of peripheral option devices as in the present invention by connecting or disconnecting. Does not exert different functions. Further, in the conventional device, the information terminal device itself and each unit constituting the information terminal device do not exert different functions by being connected or separated.

[0003]

DISCLOSURE OF THE INVENTION The present invention provides an information processing device capable of switching applications in which the information terminal device itself and each unit constituting the information terminal device automatically perform different functions upon connection or disconnection. With the goal. Specifically, for example, the present invention can be used as a monitor of a computer by first connecting the display terminal device to a computer and turning on the power, and second, turning on the display terminal device and the computer. Can be used as a remote desktop of the computer (information processing device that can be separated from the computer body and the display unit) by detaching it from the computer body, and thirdly, if the display terminal device is separated from the computer and turned on. The display terminal unit can be used as a handheld PC,
Fourthly, it is an object of the present invention to provide an information processing apparatus capable of switching applications, which can be used as a monitor of a computer by connecting the display terminal device to the display terminal device while the computer is powered on.

[0004]

In order to solve the above problems, the present invention has the following constitution. The invention of claim 1 includes a display terminal device and a computer connectable to and separable from the display terminal device, the computer including a first image signal generation unit that generates an image signal, and the image signal. A first wireless communication unit that transmits information including a first connector, a first connector that outputs information including the image signal and is connectable to a second connector of the display terminal device, and the second connector. A first detection unit that detects whether or not it is connected to the first connector, a first program that does not operate the first wireless communication unit, and a second program that operates the first wireless communication unit. A program and a first program which selectively starts the first program or the second program when the power is started.
A first storage unit for storing the automatic start program of
When the second connector is connected to the first connector, the first program is executed, and the second
And a first information processing unit that executes the second program when the connector of No. 1 is not connected to the first connector, the display terminal device displays information including the image signal. A second connector that can be input and connected to the first connector, a second wireless communication unit that receives information including the image signal, an image display unit, and the second connector include the first connector. A second detection unit that detects whether or not it is connected to the connector, an image display processing unit that drives the image display unit based on the image signal, and a third that does not operate the second wireless communication unit. Program, a fourth program for operating the second wireless communication unit, and a second automatic start program for selectively starting the third program or the fourth program when the power is turned on. With the second storage unit When the first connector is able to detect the second detection portion is a connected to the second connector executes the third program, the first
A second information processing unit that executes the fourth program when the second detection unit detects that the connector No. is not connected to the second connector.
This is an information processing device characterized by the above.

According to a second aspect of the present invention, in the first information processing section, at least the second connector is connected to the first connector when the computer is powered on. Of the second connector, and when the first detector detects that the second connector is connected to the first connector, starts the first program, When the first detection unit detects that the second connector is not connected to the first connector when the power is turned on,
And, when the first detection unit detects that the second connector is separated from the first connector, starts the second program, and the second information processing unit is at least the When the second detector detects that the first connector is connected to the second connector when the display terminal device is powered on, and the first connector is the second connector. When the second detection unit detects that the display terminal device is connected to the connector, the third program is started, and when the display terminal device is powered on, the first connector is the second connector. When the second detection unit detects that the first connector is not connected to the second connector and when the second detection unit detects that the first connector is separated from the second connector, Four
The information processing apparatus according to claim 1, wherein the program is started.

According to a third aspect of the present invention, the display terminal device comprises:
Furthermore, when the second information processing unit has a display terminal side operation input unit and the fourth information processing unit executes the fourth program, the second wireless communication unit receives the command input from the display terminal side operation input unit. When transmitted to the first wireless communication unit and the first information processing unit executes the second program, the first wireless communication unit sends the received instruction to the first information processing unit. The information processing apparatus according to claim 1 or 2, wherein the information processing apparatus transmits the information and the first information processing unit executes the command.

According to a fourth aspect of the present invention, the display terminal device comprises:
The fourth program further includes a second image signal generation unit, and the fourth program is one of a plurality of modes including a first mode and a second mode, and one of the plurality of modes based on an operator's input. And a selection program that selects and executes one of the modes, and the second information processing unit
When the program of the mode is executed, the image display unit displays the image signal generated by the first image signal generation unit, and the second information processing unit executes the program of the second mode. In this case, the image display unit displays the image signal generated by the second image signal generation unit, and the information processing apparatus according to claim 1 or 2.

According to a fifth aspect of the present invention, when the second information processing section is executing the program in the second mode,
The second information processing unit transmits an information processing request to the first information processing unit through the second wireless communication unit, and in response to the information processing request transmitted from the first information processing unit. The information processing apparatus according to claim 4, wherein information obtained as a result of processing the information is received through the second wireless communication unit.

According to a sixth aspect of the present invention, when the second information processing section is executing the program in the second mode,
The information processing apparatus according to claim 4, wherein the first wireless communication unit stops transmission of an image signal.

The invention according to claim 7 is characterized in that the fourth program further automatically selects and executes one of the plurality of modes. Is.

According to an eighth aspect of the present invention, the first detector is
A DC voltage of at least one terminal of the first connector is input, and whether or not the second connector is connected to the first connector is detected based on a predetermined threshold value,
The second detection unit inputs a DC voltage of at least one terminal of the second connector, and determines whether the first connector is connected to the second connector based on a predetermined threshold value. The information processing apparatus according to any one of claims 1 to 7, wherein the information processing apparatus detects the information.

According to a ninth aspect of the present invention, there is provided a display terminal device, and a computer connectable to and separable from the display terminal device, wherein the computer comprises a first wireless communication section and a first wireless communication part of the display terminal device. A second connector connectable to the second connector, and the display terminal device includes a second connector connectable to the first connector and a second wireless communication unit. A method of controlling a processing device, comprising: an image signal generating step in which the computer generates an image signal; and the second connector being connected to the first connector when the computer is powered on. A transmission stop step of stopping transmission of the first wireless communication unit when detected, and the second connector being connected to the first connector when the computer is powered on. A transmission step of causing the first wireless communication unit to transmit information including the image signal when it is detected that the first connector is not connected to the second connector when the display terminal device is powered on. A reception stopping step of stopping reception of the second wireless communication unit when it is detected that the first connector is connected to the second wireless communication unit when power is turned on. A receiving step of causing the second wireless communication unit to receive information including the image signal when it is detected that the display terminal device displays the image signal, A method of controlling an information processing device, comprising:

According to a tenth aspect of the present invention, a display terminal device and a computer connectable to and disconnectable from the display terminal device are provided.
The computer includes a first wireless communication unit and a first connector connectable to a second connector of the display terminal device, and the display terminal device includes the first connector. And a second wireless communication unit, which is a method for controlling an information processing apparatus, the image signal generating step in which the computer generates an image signal, and the second connector A step of stopping transmission of the first wireless communication unit when detecting that the second connector is connected to the first connector; and that the second connector is separated from the first connector. When detecting that the first wireless communication unit transmits information including the image signal, and when it is detected that the first connector is connected to the second connector, Second A reception stop step of stopping the reception of the line communication unit; and, when it is detected that the first connector is separated from the second connector, information including the image signal is sent to the second wireless communication unit. It is a control method of an information processor characterized by having a receiving step of making it receive, and a display step of making the display terminal device display the image signal.

According to an eleventh aspect of the present invention, the display terminal device further has a display terminal side operation input section, and when the display terminal device is powered on, the first connector becomes the second connector. If it detects that it is not connected,
Alternatively, when it is detected that the first connector is separated from the second connector, the second transmission in which the command input from the display terminal side operation input unit is transmitted from the display terminal device to the computer And a step of detecting that the second connector is not connected to the first connector when the computer is powered on, or the second connector is separated from the first connector. When it is detected, the computer further includes a second receiving step of receiving the command transmitted from the display terminal device, and a command executing step of causing the computer to execute the command. The method of controlling an information processing apparatus according to claim 9 or 10.

According to a twelfth aspect of the present invention, the first display step in which the display terminal device displays the image signal transmitted from the computer when the first connector is not connected to the second connector. And a second image display device that displays the image signal generated by the display terminal device.
The method of controlling an information processing apparatus according to claim 9 or 10, further comprising:

According to a thirteenth aspect of the present invention, when the first connector is not connected to the second connector, the display terminal device transmits an information processing request to the computer, and The method of controlling an information processing apparatus according to claim 12, further comprising: an information transmitting step of transmitting information resulting from processing the information from the computer to the display terminal device in response to the information processing request. Is.

The information according to claim 12, further comprising a stop step of stopping the transmission of the image signal by the first wireless communication section in the second display step. It is a control method of a processing device.

According to a fifteenth aspect of the present invention, the display terminal device automatically selects and executes the first display step or the second display step. It is a control method of a processing device.

According to a sixteenth aspect of the present invention, the computer determines whether the second connector is connected to the first connector based on the DC voltage of at least one terminal of the first connector. And detecting whether the display terminal device is connected to the second connector based on the DC voltage of at least one terminal of the second connector. It is a control method for an information processing apparatus according to any one of claims 9 to 15.

According to the invention of claims 1 to 16, there is provided an information processing apparatus capable of switching applications and a control method thereof in which the information terminal apparatus itself and each unit constituting the information terminal apparatus automatically perform different functions by connection or disconnection. It has the effect that it can be realized.

[0021]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention is an information processing apparatus comprising a set of a display terminal device and a computer, both of which can be connected and separated through a connector. There are a first program and a second program as programs for controlling a computer. Further, there are a third program and a fourth program as programs for controlling the display terminal device. When both are connected, the computer is controlled by the first program and the display terminal device is controlled by the third program. When the two are separated, the computer is controlled by the second program and the display terminal device is controlled by the fourth program. In the information processing apparatus of the present invention, when the computer-side power switch is pressed when both the computer and the display terminal device are connected by the connector and the computer is turned on, the display terminal device is powered on from the computer at the same time when the computer is started. It receives the supply of and starts. Since the display terminal device and the computer are connected, the computer is controlled by the first program, the display terminal device is controlled by the third program, and the image signal generated by the computer is transmitted to the display terminal device through the connector. The display terminal device operates as a computer monitor.

Next, when the display terminal device and the computer are separated from each other and powered on, it is determined that the computer and the display terminal device are separated, and the computer side is controlled by the second program. The display terminal device is controlled by the fourth program, the image signal is transmitted from the computer to the display terminal device through the wireless communication units of both, and the display terminal device operates as a remote monitor (or remote desktop client) of the computer.

Next, when the computer and the display terminal device are separated while the display terminal device is operating as a monitor, the computer side interrupts the CPU of the computer side, the first program is terminated, and the second program is terminated. The program controls the computer to transmit the image signal to the display terminal device through the wireless communication unit. On the other hand, on the display terminal device side, the CPU is interrupted by being separated from the computer, the third program is terminated, and the fourth program is started. The display terminal device is controlled by the fourth program and receives the image signal transmitted from the computer through the wireless communication unit. The display terminal device operates as a remote monitor (or remote desktop client) of the computer.

Further, the display terminal device is separated from the computer when both the computer and the display terminal device are not powered on, and only the display terminal device side power switch is turned on to supply power from the battery to the display terminal device. Then, the display terminal device determines that it cannot communicate with the computer, the CPU on the display terminal device side executes the application program independently, and the display terminal device operates as a handbell degree PC terminal by itself.

Furthermore, if the display terminal device is connected to the computer when both the display terminal device and the computer are powered on, the display terminal device side CP
When U is interrupted, the display terminal device performs interrupt processing. In the interrupt process, when it is confirmed that the display terminal device is connected to the computer, the fourth program is ended and the third program is started. On the other hand, on the computer side, when it is determined that the computer CPU is interrupted and the computer and the display terminal device are connected,
Terminate the second program that was running until then,
To start the program. The computer transmits the image signal from the computer to the display terminal device through the connector according to the first program, and the display terminal device operates as a monitor of the computer.

Further, the display terminal device may have its own operation input section. When the display terminal device is separated from the computer and executes the fourth program, the display terminal device may transmit the command input from the operation input unit to the computer via wireless communication and execute the command received by the computer. I can. The display terminal operates as a remote desktop client for the computer.

Further, the display terminal device has a CPU and an image signal generator, and when the display terminal device operates as a handheld PC terminal, it executes its own application program. At that time, the second wireless communication unit (for example, the wireless L
An information processing request is issued to the CPU on the computer side using the AN module), and the processing result is received again from the computer to the display terminal device through the second wireless communication unit, thereby performing a part of the processing executed by the display terminal device. It can be burdened to the computer. Hereinafter, embodiments specifically showing the best mode for carrying out the present invention will be described with reference to the drawings.

<< Embodiment 1 >> FIG. 1 is a block diagram of an information processing apparatus according to a first embodiment. The information processing apparatus according to this embodiment includes a computer 101 and a display terminal device 102. The computer 101 has a first connector 111 and a first C
PU112, the 1st memory | storage part 113, the 1st power supply part 11
4, first power switch 115, output unit 116, first detection unit 117, first wireless communication unit 118, operation input unit 1
Have 19. The display terminal device 102 includes a second connector 121, an image display processing unit 122, an image display unit 123, a second CPU 124, a second storage unit 125, a second wireless communication unit 126, an input unit 127, and a second. Detection unit 128, second
Power source unit 129, second power switch 130, battery 13
Has 1.

The first CPU 112 has a first information processing section 141 and a first image signal generating section 142. The second CPU 124 has a second information processing unit 161. The computer 101 and the display terminal device 102 can be connected and separated by the first connector 111 and the second connector 121. The first storage unit 113 is a first program 151 that controls the computer 101 by operating the output unit 116 without operating the first wireless communication unit 118.
And the first wireless communication unit 1 without operating the output unit 116
A second program 152 for operating 18 and controlling the computer 101, and a first connector 111 and a second connector 121 when the computer 101 is powered on.
If and are connected, the first program 151 is started, and if not connected, the second program 152 is started.
And a first automatic start program 153 for starting.

The second storage unit 125 does not operate the second wireless communication unit 126 and the third program 171 that operates the input unit 127 and controls the display terminal device 102, and does not operate the input unit 127. Moreover, the fourth program 172 that operates the second wireless communication unit 126 to control the display terminal device 102, and the first connector 111 and the second connector 121 when the display terminal device 102 is powered on. A second automatic start program 173 that starts the third program 171 if connected and starts the fourth program 172 if not connected. The first information processing unit 141 controls the computer 101 by the first program 151 when the second connector 121 is connected to the first connector 111,
When both connectors are not connected, the computer 101 is controlled by the second program 152, and the first automatic start program 153 is executed when the power of the computer 101 is turned on. In addition, the first information processing unit 141
Executes the application program stored in the first storage unit.

The first image signal generator 142 generates an image signal for displaying the processing result of the computer and the like. The computer is the first program 1 for the output unit 116.
When controlled by 51, the image signal output from the first image signal generation unit 142 is output to the input unit 127. The first detection unit 117 detects whether or not the first connector 111 is connected to the second connector 121. In the embodiment, the input terminal of the first detection unit 117 is connected to the ground via the resistor, and is also connected to the power supply via the first connector 111 and the second connector 121. If both connectors are connected, the input terminal of the first detection unit 117 becomes high level, and if both connectors are separated, the input terminal of the first detection unit 117 becomes low level. The first wireless communication unit 118 does not operate when the first information processing unit 141 is executing the first program 151, and the first information processing unit 141 executes the second program 152. When it is present, the image signal generated by the first image signal generation unit 142 is output to the second wireless communication unit 126. The first power supply unit 114 supplies power to the computer 101 when the first power switch 115 is in the ON state, and further, the computer 101 and the display terminal device 1
When 02 is connected, power is supplied to the second power supply unit 129.

The image display processing unit 122 inputs an image signal, processes the input image signal, and displays the image on the image display unit 123 (a liquid crystal panel in the embodiment). The second information processing unit 161 controls the display terminal device 102 by the third program 171 when the second connector 121 is connected to the first connector 111,
When both connectors are not connected, the display terminal device 102 is controlled by the fourth program 172, and the second automatic start program 173 is executed when the power of the display terminal device 102 is turned on. The second wireless communication unit 126 does not operate when the second information processing unit 161 is executing the third program 171, and the second information processing unit 161 performs the fourth processing.
The image signal transmitted by the first wireless communication unit 118 is received while the program 172 of FIG.

The input unit 127 is provided when the display terminal device 102 is controlled by the third program 171.
An image signal is input from the output unit 116. Second detector 1
28, the second connector 121 is the first connector 111
It is detected whether or not it is connected with. In the example,
The input terminal of the second detection unit 128 is connected to the ground via a resistor, and is connected to the power supply via the second connector 121 and the first connector 111. If both connectors are connected, the input terminal of the second detection unit 128 becomes high level, and if both connectors are separated, the second
The input terminal of the detection unit 128 of 1 becomes low level. The second power supply unit 129 is turned on by the second power switch 130.
N / OFF switches. When the second power switch 130 is turned on, the first connector 111
When the second connector 121 and the second connector 121 are connected, power is supplied from the first power supply unit 114, the battery 131 is charged, and power is supplied to the display terminal device 102. When the two connectors are separated, the electric power stored in the battery 131 is supplied to the display terminal device 102.

The operation of the information processing apparatus configured as described above will be described below. First, a case where the computer 101 and the display terminal device 102 are connected with the first power switch 115 and the second power switch 130 turned off and both power switches are turned on will be described. The first connector 111 and the second connector 121 are connected while the first power switch 115 and the second power switch 130 remain off. In this state, the first power switch 115 and the second power switch 130 are turned on. At this time, the first power supply unit 114 is connected to the computer 1
01, and at the same time, power is supplied to the second power supply unit 129 via the first connector 111 and the second connector 121.

When the power of the computer 101 is turned on, the first information processing section 141 first detects the first automatic start program 1
Execute 53. The first information processing unit 141 determines from the detection signal of the first detection unit 117 that the computer 101 is connected to the display terminal device 102 by the first automatic start program 153 (that is, the first connector 111 is The first program 151 (called a "desktop program") is started up (when it is determined that it is connected to the second connector 121). The first information processing unit 141 deactivates the first wireless communication unit 118 by the first program 151, activates the output unit 116, and outputs the image signal generated by the first image signal generation unit 142 to the output unit. It outputs to the input part 127 via 116, the 1st connector 111, and the 2nd connector 121.

The second power supply unit 129 is the first power supply unit 114.
When the power is supplied from the power source, the power is supplied to the display terminal device 102 and the battery 131 is charged. When the display terminal device 102 is powered on, the second information processing unit 161 first executes the second automatic start program 173 (referred to as a “boot program”). The second information processing unit 161 determines from the detection signal of the second detection unit 128 that the computer 101 is connected to the display terminal device 102 by the second automatic activation startup program 173 (that is, the second connector 121). Starts up a third program 171 (referred to as a "monitor program").

The second information processing unit 161 stops the second wireless communication unit 126 by the third program 171, operates the input unit 127, and outputs the image signal to the output unit 11.
Input from 6 to the input unit 127. The input unit 127 outputs the input image signal to the image display processing unit 122. The image display processing unit 122 processes the input image signal and displays the image on the image display unit 123. As mentioned above,
Power off the computer 101 and the display terminal device 102.
Connect both in the state of F, then turn on the power of both
If the display terminal device 102 is set to the computer 10,
1 monitor.

Next, the display terminal device 102 is the computer 1
The operation when the display terminal device is separated from the computer while the computer and the display terminal device are powered on while operating as the monitor No. 01 will be described.
When the display terminal device 102 is separated from the computer 101 while the power is on while operating as a monitor,
The first detection unit 117 detects that the second connector 121 and the first connector 111 have been separated, and outputs an interrupt signal indicating that both connectors have been separated to the first information processing unit 141. .

When the first information processing section 141 receives an interrupt signal indicating that the two connectors are separated, the first information processing section 141 carries out an interrupt process ("computer interrupt service program").
Call. ) Is executed, the first program 151 is stopped, the second program 152 is started, and the second program (referred to as a “remote desktop program”) is executed.
To control the computer 101. The first information processing unit 141 stops the operation of the output unit 116 and operates the first wireless communication unit 118 by the second program.
The image signal output by the first image signal generation unit 142 is transmitted from the first wireless communication unit 118 to the second wireless communication unit 126.

On the other hand, when the second detector 128 detects that the second connector 121 and the first connector 111 are separated, it outputs an interrupt signal indicating that the two connectors are separated, and the second information is output. The processing unit 161 inputs an interrupt signal. When the second information processing unit 161 receives an interrupt signal indicating that both connectors have been separated, the second information processing unit 161 executes an interrupt process (referred to as a “display terminal device interrupt service program”), and the currently executed third process is executed. The program 171 is stopped and the fourth program 172 (called a "remote monitor program") is started. At this time, the second power supply unit 129 inputs power from the battery 131 and supplies the power to the display terminal device 102. Second information processing unit 161
Deactivates the input unit 127 by the fourth program 172, activates the second wireless communication unit 126, and inputs the image signal from the first wireless communication unit 118 to the second wireless communication unit 126.

The second wireless communication section 126 outputs the input image signal to the image display processing section 122. The image display processing unit 122 processes the input image signal, and the image display unit 12
The image is output to 3. As described above, the display terminal device 10
When 2 is operating as the monitor of the computer 101, the display terminal device 102 functions as a remote monitor of the computer 101 if both are turned on and separated.

The computer 101 and the display terminal device 1
When the power of both is turned on in the state where 02 is separated,
On the computer 101 side, the first automatic start program 1
When 53 detects that the first connector 111 and the second connector 121 are separated by the output signal of the first detection unit 117, the second program 152 is activated. On the display terminal device 102 side, when the second automatic activation program 173 detects that the two are separated by the output signal of the second detection unit 128, it activates the fourth program 172. As a result, the image signal output from the first image signal generation unit 142 is the first wireless communication unit 1
18, transmitted to the display terminal device through the second wireless communication unit 126, outputs an image to the image display unit 123, and the display terminal device 102 operates as a remote monitor of the computer 101.

The display terminal device 102 is the computer 1
If the computer 101 and the display terminal device 102 are connected while the power of both is turned on while operating as a remote monitor of 01, the first detection unit 117 on the computer 101 side detects that both are connected. , And an interrupt signal indicating that both connectors are connected to the first information processing unit 141. When the first information processing unit 141 inputs an interrupt signal indicating that both connectors are connected, the first information processing unit 141 executes interrupt processing, stops the second program 152 that is currently being executed, and starts the first program 151. To do.

On the other hand, on the side of the display terminal device 102, the second detection unit 128 detects that both are connected and outputs an interrupt signal indicating that both connectors are connected to the second information processing unit 161. When the second information processing unit 161 inputs an interrupt signal indicating that both connectors are connected, the second information processing unit 161 executes interrupt processing, stops the currently executing fourth program 172, and activates the third program 171. To do. As a result, the image signal output by the first image signal generation unit 142 is transmitted to the display terminal device 102 via the output unit 116 and the input unit 127, the image is displayed on the image display unit 123, and the display terminal device 102 is displayed. Acts as a computer monitor.

FIG. 2 is a flow chart showing the operation flow of the computer 101 of the information processing apparatus of this embodiment.
The flowchart of the operation of the computer of this embodiment includes steps 201 to 215. First, in step 201, the power is turned on. In step 202, the first
Start the automatic start program of. In step 203,
The first automatic startup program determines whether or not the connector on the computer side is connected to the connector on the display terminal device side. When it is determined in step 203 that both connectors are connected, the first program 151 is activated in step 204, and when it is determined that both connectors are separated, the process proceeds to step 210 and the second program 152 is executed. To start.

The processing steps of the first program 151 will be described below. The first program is step 20
5 to step 209. In step 205, the operation of the first wireless communication unit 118 on the computer side is stopped. In step 206, the first information processing section 141 executes the application program. In step 207, the first image signal generation unit 142 generates an image signal according to the processing result of the application program executed in the previous step, and outputs the image signal. In step 208, it is determined whether or not the second connector 121 on the display terminal device side and the first connector 111 on the computer side are connected. If it is determined in step 208 that both connectors are connected, the process returns to step 206 to process the application program again. If it is determined in step 208 that both connectors are separated, step 2
At 09, the first program 151 is terminated, the second program 152 is activated, and the process proceeds to step 211.

The processing steps of the second program 152 will be described below. The second program is step 21
1 to step 215. First in step 211
The wireless communication unit 118 is operated. In step 212, the first information processing section 141 executes the application program. In step 213, the first image signal generation unit 142 generates an image signal in accordance with the processing result of the application program executed in the previous step, and the image is transferred to the image via the first and second wireless communication units 118 and 126. Output to the display unit 123. In step 214, it is determined whether the first connector and the second connector are connected.
If it is determined in step 214 that the two connectors are separated, the process returns to step 212 to process the application program again. If it is determined in step 214 that both connectors are connected, the second program 152 is ended in step 215, and the first program 1
51 is started, and the process proceeds to step 205.

FIG. 3 is a flow chart showing the operation flow of the display terminal device 102 of the information processing apparatus of this embodiment.
The flowchart of the operation of the display terminal device of this embodiment includes steps 301 to 313. First, in step 301, the power is turned on. In step 302, the second
Start the automatic start program of. In step 303,
In the second automatic start-up program, the first connector 111 on the computer side is the second connector 12 on the display terminal device side.
It is determined whether or not 1 is connected. Step 303
If it is determined in step 304 that both connectors are connected, the third program 171 is started in step 304, and if it is determined that both connectors are disconnected, step 30
9 and the fourth program 172 is activated.

The processing steps of the third program 171 will be described below. The third program is step 30
5 to step 308. In step 305, the operation of the second wireless communication unit 126 on the display terminal device side is stopped. In step 306, the image signal is received from the computer via the second connector 121, and the image is displayed on the image display unit 123 based on the received image signal. In step 307, it is determined whether or not the second connector 121 on the display terminal device side and the first connector 111 on the computer side are connected. When it is determined in step 307 that both connectors are connected, the process returns to step 306, the image signal is received again from the computer via the connector, the received image is processed, and the image is displayed. If it is determined in step 307 that both connectors are separated, in step 308 the third program 171 is stopped, the fourth program 172 is activated, and step 310
Move to.

The processing steps of the fourth program will be described below. The fourth program has steps 310 to 313. In step 310, the second wireless communication unit 126 on the display terminal device side is operated. In step 311, the image signal is received from the image signal generation unit 142 of the computer via the first wireless communication unit 118 and the second wireless communication unit 126, and the image display processing unit 122 processes the received image signal. The image is displayed on the image display unit 123. In step 312, it is determined whether or not the first connector 111 on the computer side and the second connector 121 on the display terminal device side are connected. When it is determined in step 312 that both connectors are not connected, the process returns to step 311, and the image signal is generated again via the first wireless communication unit 118 and the second wireless communication unit 126 to generate the first image signal. The image signal received from the unit 142 is processed and displayed. If it is determined in step 312 that both connectors are connected, the fourth program 172 is stopped, the third program 171 is activated in step 313, and the process proceeds to step 305.

In the first embodiment, the display terminal device 102
Had no controls. Alternatively, the display terminal device 102 may have a display terminal side operation input unit. In this case, when the fourth program 172 is executed, the command input by the operator to the operation input unit on the display terminal side is input to the second wireless communication unit 126 and the first wireless communication unit 118 (the two-way wireless communication unit Via the first information processing unit 1
41, and the first information processing unit 141 of the computer (which executes the second program) may execute the command. In this case, the computer operates as a remote desktop server and the display terminal device operates as a remote desk top client. Further, the display terminal device 102 has a display terminal side operation input unit, and when the display terminal device executes the fourth program 172, whether the operator can input a command from the display terminal side operation input unit, for example, By pressing a specific key of the operation input unit 132 on the display terminal side, switching can be performed.

<< Second Embodiment >> FIG. 4 is a block diagram of an information processing apparatus according to a second embodiment. The information processing apparatus of the second embodiment has the same configuration as the information processing apparatus of the first embodiment. However,
The display terminal device 102 is a display terminal device side operation input unit 132.
And the second CPU 124 of the display terminal device 102 has
The difference is that the second image signal generator 162 is included. The functions of the other elements are the same as those in the first embodiment, and thus detailed description thereof will be omitted. The display terminal device-side input unit 132 is an object such as a touch panel,
The display terminal device 102 is separated from the computer 101 and functions as an input device when operating independently or when operating as a remote desktop client.

The second image signal generation unit 162 generates an image signal such as a processing result of the second information processing unit 161 when the display terminal device 102 operates independently of the computer 101 to display an image. Output to the processing unit 122. The fourth program 172 of this embodiment has a first mode and a second mode. In the first mode (called “remote desktop client program”),
The operation of the input unit 127 is stopped, and the second wireless communication unit 12
6 is operated. The display terminal device 102 inputs the image signal from the first image signal generation unit 142 of the computer 101 through the first wireless communication unit 118 and the second wireless communication unit 126, and the input image signal is processed by the image display processing unit. 122
The second wireless communication unit 126 and the first wireless communication unit 118 process a command input by the operator from the display terminal device-side operation input unit 132 while processing the output by the image display unit 123.
Through the first information processing unit 141. The first information processing unit 141 of the computer 101 executes the input instruction. That is, the operator can remotely operate the computer 101 through the display terminal device-side operation input unit 132 of the display terminal device 102.

In the second mode (the fourth program of the second mode is referred to as "handheld PC program"), the input unit 127 and the second wireless communication unit 126 are stopped and the operator operates the display terminal. In response to a command input from the device-side operation input unit 132, the second information processing unit 161 executes the application program stored in the second storage unit 125, and the second image signal generation unit 162 causes the application program to be executed. An image signal for displaying the execution result of is generated, the generated image signal is processed by the image display processing unit 122, and output to the image display unit 123.

The operation of the information processing apparatus configured as above will be described below. First power switch 1
15, the computer 101 and the display terminal device 102 are connected with the second power switch 130 off.
The operation when both power switches are turned on is basically the same as that of the first embodiment. In the second embodiment, in this case, the display terminal device side operation input unit 1 of the display terminal device 102 is used.
32 is valid (the first information processing unit 141 executes the command input by the display terminal device-side operation input unit 132). In this case, the computer operates as a remote desktop server and the display terminal device operates as a remote desktop client. Alternatively, the display terminal device-side operation input unit 132 may be invalid (the first information processing unit 141 does not execute the command input by the display terminal device-side operation input unit 132). If the display terminal apparatus-side operation input unit 132 is invalid, the operation of the information processing apparatus in this case is the same as the operation of the information processing apparatus of the first embodiment.

The display terminal device 102 is the computer 101.
The operation in the case where the display terminal device is separated from the computer while the computer and the display terminal device are powered on while being connected to the computer and operating as the monitor of the computer 101 will be described. The display terminal device 102 is the fourth
When executing the first mode of the program, the computer 101 executes the command input by the display terminal device-side operation input unit 132. Otherwise, the operation of the computer 101 in this case is the same as that of the computer 10 of the first embodiment.
It is the same as the operation of 1.

The operation of the display terminal device 102 when separated from the computer will be described. Second detector 1
28 is a first connector 111 and a second connector 121.
Is separated, an interrupt signal indicating that both connectors are separated is output to the second information processing unit 161. Second
The information processing unit 161 executes an interrupt process when an interrupt signal indicating that both connectors are separated is input.
The currently executing third program 171 is stopped and the fourth program 172 is activated. When the fourth program is started, the first mode or the second mode of the fourth program is selected.

When the first mode of the fourth program is selected, the second information processing section 161 deactivates the input section 127 and activates the second wireless communication section 126. Further, when the second information processing unit 161 is executing the application program, the application program is stopped, and the second image signal generation unit 162 is stopped.
If is running, stop that operation. The display terminal device 102 includes the first image signal generation unit 142 to the first
The image signal transmitted through the wireless communication unit 118 and the second wireless communication unit 126 is input, the input image signal is processed by the image display processing unit 122, and output to the image display unit 123. Further, the command input by the operator from the display terminal device-side operation input unit 132 is transmitted to the first information processing unit 141 via the second wireless communication unit 126 and the first wireless communication unit 118. First information processing unit 141 of computer 101
Executes the input command. That is, the operator can remotely operate the computer 101 through the display terminal device-side operation input unit 132 of the display terminal device 102.
The display terminal device 102 operates as a remote desktop client, and the computer 101 operates as a remote desktop server.

When the second mode of the fourth program is selected, the second information processing section 161 deactivates the input section 127 and the second wireless communication section 126, and the operation input section 132 on the display terminal side. Also, the second image signal generation unit 162 is operated. The second information processing unit 161 executes the application program stored in the second storage unit 125 according to the instruction input by the operator through the display terminal side operation input unit 132. The second image signal generation unit 162 generates an image signal for displaying the processing content, and the generated image signal is processed by the image display processing unit 122 and output to the image display unit 123.

In this way, when the display terminal device and the computer are separated while the power is on (second mode), the display terminal device 102 is the computer 101.
To operate as a handheld PC. In this case, when executing the application program stored in the second storage unit, the display terminal device-side operation input unit 132 (for example, touch panel) can be used as an input unit.

The computer 101 and the display terminal device 1
When the power of both is turned on in the state where 02 is separated,
On the computer 101 side, the first automatic start program starts the second program 152. On the display terminal device 102 side, the second automatic start program starts the fourth program. As described above, the fourth program has the first mode and the second mode, and in the first mode, the image display processing unit 122 processes the image signal received from the second wireless communication unit 126. The image display unit 12
3, and the command input from the display terminal device side operation input unit 132 is transmitted to the first information processing unit 141 through the second wireless communication unit 126 and the first wireless communication unit 118. The first information processing unit 141 of the computer 101
Execute the entered command. In the second mode, the image signal output from the second image signal generation unit 162 is processed by the image display processing unit 122 and displayed on the image display unit 123.

Further, the display terminal device 102 is the computer 1
When the computer 101 and the display terminal device 102 are connected while the power of both is turned on while operating as a handheld PC or remote desktop client separated from 01, the computer 101 side is
First detecting unit 117 detects that the both are connected,
An interrupt signal indicating that both connectors are connected is output to the information processing section 141 of FIG. When the first information processing unit 141 receives an interrupt signal indicating that both connectors are connected, the first information processing unit 141 executes interrupt processing, stops the second program 152 that is currently being executed, and activates the first program 151. .

On the display terminal device 102 side, the second detector 1
28 detects that both connectors are connected, outputs an interrupt signal indicating that both connectors are connected, and the second information processing unit 161 inputs this interrupt signal. When the second information processing unit 161 inputs an interrupt signal indicating that both connectors are connected, the second information processing unit 161 executes the interrupt process, stops the currently executing fourth program 172, and activates the third program 171. . As a result, the image signal output by the first image signal generation unit 142 is output by the output unit 116,
It is transmitted to the display terminal device 102 via the input unit 127,
The image is displayed on the display terminal device, and the display terminal device 102 operates as a monitor of the computer.

FIG. 5 is a flow chart showing the flow of the processing operation of the fourth program of the display terminal device of this embodiment. The flow chart of the fourth program is Step 5
From 01 to 512. First in step 501, the fourth
To start the program. In step 502, the second wireless communication unit is operated. In step 503, it is determined whether the first mode has been selected. Fourth program 172
The method of selecting the first mode or the second mode of is arbitrary. In the embodiment, after the display terminal device 102 executes the fourth program 172 and activates the second wireless communication unit 126, the second wireless communication unit 126 performs the first wireless communication within the predetermined time.
If it cannot communicate with the wireless communication unit 118 of the
The second mode of the program 172 is selected. Similarly, after the display terminal apparatus 102 executes the fourth program 172 and activates the second wireless communication unit 126, the second wireless communication unit 126 causes the first wireless communication unit 118 to operate within a fixed time.
If it is possible to communicate with, the first mode of the fourth program 172 is automatically selected. Instead of this, for example, a changeover switch installed in the operation input unit 132 on the display terminal side may be used for selection. Further, the operator may be allowed to select either manual selection by the changeover switch or the above-mentioned automatic selection. If it is determined in step 503 that the first mode is selected, the process proceeds to step 504, and if it is determined that the second mode is selected, the process proceeds to step 508.

The case where the first mode is selected will be described below. In step 504, the second information processing unit 161
However, if the application program is running, the application program is stopped. In step 505, the second image signal generation unit 162 stops the generation of the image signal. In step 506, the image signal is input from the computer via the first wireless communication unit 118 and the second wireless communication unit 126, the input image signal is processed by the image display processing unit 122, and the image is displayed on the image display unit 123. indicate. Next, in step 507, the display terminal side operation input unit 13
The command input from 2 is transmitted to the computer 101 via the second wireless communication unit 126, and the computer 101 is operated remotely. Go to step 511.

The case where the second mode is selected in step 503 will be described below. In step 508, the second
The information processing unit 161 executes the application program stored in the second storage unit 125. In step 509, the second image signal generation unit 162 generates an image signal for displaying the execution result of the application program executed in the previous step. In step 510, an image is displayed based on the image signal generated in the previous step.
In step 511, it is determined whether the first connector and the second connector are connected. If it is determined in step 511 that both connectors are not connected, the process returns to step 503 to execute the first mode or the second mode of the fourth program. If it is determined in step 511 that both connectors are connected, the fourth program is terminated and the third program is started (step 51
2) The display terminal device is controlled by the third program.

First of Fourth Program 172 of Second Embodiment
In the mode, the command transmitted by the operator to the operation input unit on the display terminal side is transmitted to the first information processing unit 141 via the second wireless communication unit 126 and the first wireless communication unit 118, and The information processing unit 141 of the above executed the instruction. Instead of this, as in the first embodiment, the fourth program 17
In the first mode of No. 2, the operator cannot input a command to the operation input unit on the display terminal side, and the display terminal device inputs the image signal generated by the first image signal generation unit 142 by wireless communication. , The input image signal is displayed on the image display unit 123.
May be simply displayed (the display terminal device operates as a remote monitor). Furthermore, the fourth program 172
In the first mode, whether or not the operator can input a command from the display terminal side operation input unit can be switched by pressing a specific key of the display terminal side operation input unit 132, for example. .

<Third Embodiment> An information processing apparatus according to a third embodiment of the present invention will be described below. The information processing apparatus of the third embodiment has the same configuration as the information processing apparatus of the second embodiment shown in FIG. However, the second program recorded in the first storage unit 113 is different from the second embodiment in that it has the first mode and the second mode. Further, in the second mode of the fourth program 172 stored in the second storage unit 125, the second information processing unit 161 performs all or part of the processing of the application program by the first information processing unit. The second embodiment is different from the second embodiment in that it requests 141. In other respects, the information processing apparatus according to the third embodiment is the same as the information processing apparatus according to the second embodiment.

First connector 111 and second connector 1
When 21 is separated and the second program of the computer 101 is started, the first mode or the second mode of the second program is selected. The first mode of the second program (referred to as "remote desktop server program") will be described below. The first mode operates similarly to the second program of the second embodiment. When the first mode of the second program is selected in the computer 101, the first information processing unit 141 executes the application program stored in the first storage unit 113, and the first image signal The generation unit 142 generates an image signal such as processing content. The generated image signal is the first
Is transmitted from the wireless communication unit 118 to the second wireless communication unit 126 of the display terminal device 102.

At this time, the display terminal device 102 is executing the first mode of the fourth program (referred to as "remote desktop client program"). The display terminal device 102 stops the operation of the input unit 127 and operates the second wireless communication unit 126. Display terminal device 10
The second wireless communication unit 126 of No. 2 receives the image signal transmitted by the first wireless communication unit 118 of the computer 101,
The received image signal is transmitted to the image display processing unit 122.
The image display processing unit 122 processes the image signal and outputs it to the image display unit 123. The second wireless communication unit 126 transmits a command input by the operator from the display terminal device-side operation input unit 132 to the first wireless communication unit 118. The first wireless communication unit 118 of the computer 101 (which is executing the first mode of the second program) receives this command and transmits it to the first information processing unit 141. The first information processing unit 141 of the computer 101 executes the input instruction. That is, the operator operates the computer 10 through the display terminal device-side operation input unit 132 of the display terminal device 102.
1 can be operated remotely.

The second mode of the second program (referred to as "distributed processing server program") will be described below. When the second mode of the second program is selected by the computer 101 (computer 101
Operates as a distributed processing server. ), Exchanging information via the first and second wireless communication units 118 and 126,
On the display terminal device 102 side, the second mode of the fourth program (referred to as "distributed processing client program").
Is automatically selected. Similarly, when the second mode of the fourth program is activated on the display terminal device 102 side, information is exchanged via the first and second wireless communication units 118 and 126, and the computer 101 The second mode of the second program is automatically selected. When the second mode of the fourth program is selected on the display terminal device 102 (the display terminal device 102 operates as a distributed processing client), the operator operates the display terminal side operation input unit 1
The second information processing unit 161 activates the application program stored in the second storage unit 125 based on the command input through 32.

The second information processing section 161 sends a processing request for processing all or part of the information processing of the started application program to the second wireless communication section 12
6 to the first wireless communication unit 118. In the computer 101, the second mode of the second program is selected. The first information processing unit 141 receives the processing request through the first wireless communication unit 118, processes the information based on the received processing request, and outputs the processing result to the first wireless communication unit 118 and the second wireless communication. It is transmitted to the second information processing unit 161 through the unit 126. When the first information processing unit 141 executes the second mode of the second program, the first image signal generation unit 142 stops the generation of the image signal, and the first wireless communication unit 118 causes the image signal to be generated. Stop the transmission of. Thereby, the information transmission capability of the first wireless communication unit 118 can be used for transmitting the processing result. Second image signal generator 16
2 generates an image signal for displaying the processing result and outputs it to the image display processing unit 122. The image display processing unit 122 processes the input image signal and outputs the image to the image display unit 123. At this time, the computer 101 operates as a distributed processing server, and the display terminal device 102 operates as a distributed processing client. The information processing apparatus according to the third embodiment is
Except for the points described above, the information processing apparatus is the same as the information processing apparatus according to the second embodiment, so description thereof will be omitted.

FIG. 6 is a flow chart showing the flow of processing operation of the second program of the computer of this embodiment. The display terminal device of the second program is step 601.
To step 611. First, in step 601, the second program 152 is activated. Next Step 60
At 2, the first wireless communication unit is operated. Next, in step 603, the first mode or the second mode of the second program 152 is selected. First of the second program 152
The method for selecting the mode or the second mode is arbitrary. In the embodiment, when the operator inputs a command to start the application program stored in the first storage unit 113 of the computer 101 through the operation input unit 119 of the computer 101, the first mode is automatically selected. When the operator inputs a command to activate the application program stored in the second storage unit 125 of the display terminal device 102 through the operation input unit 119 of the computer 101, the second mode is automatically selected. Instead of this, for example, the changeover switch installed in the operation input unit 119 may be used for selection. Further, the operator may be allowed to select either manual selection by the changeover switch or the above-mentioned automatic selection. If the first mode is selected, the process proceeds to step 604, and if the second mode is selected, the process proceeds to step 607.

In step 604, the first information processing section 14
1 executes the application program stored in the first storage unit 113. In step 605, the first image signal generation unit 142 generates an image signal for displaying the processing result of the application program executed in the previous step. In step 606, the image signal generated in the previous step is transmitted to the display terminal device 102 via the first wireless communication unit 118 and the second wireless communication unit 126, and the display terminal device 102 displays the image. Step 6
Go to 10.

The second mode will be described below. In step 607, the first information processing unit 141 determines that the display terminal device 1
The information processing request is received from 02 via the second wireless communication unit 126 and the first wireless communication unit 118, and the requested information processing is executed. In step 608, the first image signal generation unit 142 stops the generation of the image signal. Step 60
In step 9, the result of the information processing executed in step 607 is displayed as the first wireless communication unit 118 and the second wireless communication unit 126.
To the display terminal device 102 via. The display terminal device 102 inputs the processing result and the like. The second image signal generation unit 161 generates an image signal and displays the image on the image display unit 123. Go to step 610.

In step 610, it is detected whether or not the second connector and the first connector are connected. If it is determined in step 610 that both connectors are not connected, the process returns to step 603, the first mode or the second mode is selected, and the first mode or the second mode is selected depending on the selected result. Control your computer. When it is determined in step 610 that both connectors are connected, the second program 152 is ended, the first program 151 is started, and the computer is controlled by the first program.

FIG. 7 shows a flowchart of the processing operation of the information processing apparatus of this embodiment in the second mode of the second program and the fourth program. The flowchart of FIG. 7 includes steps 701 to 710. In step 701, the second information processing unit 161 causes the second storage unit 1 to operate.
The application program recorded in 25 is activated and executed. In step 702, the second information processing unit 161 generates an information processing request requesting the first information processing unit 141 to process all or part of the processing of the application program activated in the previous step.
In step 703, the information processing request generated in the previous step is transmitted to the first wireless communication unit 118 via the second wireless communication unit 126.

The following processing is performed by the computer. In step 704, the first wireless communication unit 118 receives the information processing request, and in step 705, the first information processing unit 141 processes information based on the information processing request received in the previous step. In step 706, the first wireless communication unit 118 transmits the processing result processed in the previous step to the second wireless communication unit 126.

The following processing is performed by the display terminal device. In step 707, the second wireless communication unit 126 receives the processing result transmitted by the first wireless communication unit 118 in the previous step. In step 708, the second information processing unit 161 inputs the processing result. In step 709, the second step in the previous step
The second image signal generation unit 162 generates an image signal based on the information processing result input by the information processing unit 161. In step 710, the image signal generated by the second image signal generation unit 162 in the previous step is transferred to the image display processing unit 12.
2 processes. The image is displayed on the image display unit 123.

First of Fourth Program 172 of Third Embodiment
In the mode, the command transmitted by the operator to the operation input unit on the display terminal side is transmitted to the first information processing unit 141 via the second wireless communication unit 126 and the first wireless communication unit 118, and The information processing unit 141 of the above executed the instruction. Instead of this, as in the first embodiment, the fourth program 17
In the first mode of No. 2, the operator cannot input a command to the operation input unit on the display terminal side, and the display terminal device inputs the image signal generated by the first image signal generation unit 142 by wireless communication. , The input image signal is displayed on the image display unit 123.
May be simply displayed (the display terminal device operates as a remote monitor). Furthermore, the fourth program 172
Whether or not the operator can input a command from the display terminal side operation input section in the first mode can be switched by, for example, pressing a specific key of the display terminal side operation input section 132.

[0081]

According to the present invention, it is possible to realize an information processing apparatus in which the information terminal apparatus itself and each unit constituting the information terminal apparatus can automatically perform various various functions by connection or disconnection and which can be switched in application. That is an advantageous effect. For example, when both the computer and the display terminal device are connected by the connector and the power switch on the computer side is turned on, the display terminal device operates as a monitor of the desktop PC, and when the display terminal device and the computer are separated, it is displayed The terminal device operates as a monitor for remote desktop. For example, with the display terminal device and the computer separated, only the power of the display terminal device is turned on.
When set to N, the display terminal device operates as a hand belt PC. When the display terminal device and the computer are connected,
The display terminal device can be returned from the remote desktop monitor or handbelt PC state to the monitor state. It can also be operated as a server and its client (terminal device of the server).

[Brief description of drawings]

FIG. 1 is a configuration diagram of an information processing apparatus according to a first embodiment of the present invention.

FIG. 2 is a flowchart showing a flow of operation of a computer of the information processing apparatus according to the first embodiment of the present invention.

FIG. 3 is a flowchart showing an operation flow of the display terminal device of the information processing apparatus according to the first embodiment of the present invention.

FIG. 4 is a configuration diagram of an information processing device according to second and third embodiments of the present invention.

FIG. 5 is a flowchart showing a processing operation flow of a fourth program of the display terminal device according to the second embodiment of the present invention.

FIG. 6 is a flowchart showing the flow of processing operations of a second program of the computer according to the third embodiment of the present invention.

FIG. 7 is a flowchart of a processing operation in a second mode of the second program and the fourth program of the information processing apparatus according to the third embodiment of the present invention.

[Explanation of symbols]

101 computer 102 display terminal device 111 First Connector 112 First CPU 113 First Storage Unit 114 first power supply unit 115 First power switch 116 Output section 117 First detector 118 first wireless communication unit 119 Operation input section 121 Second connector 122 Image display processing unit 123 Image display section 124 Second CPU 125 second storage unit 126 second wireless communication unit 127 Input section 128 second detector 129 Second power supply unit 130 Second power switch 131 batteries 132 Display terminal side operation input unit 141 First information processing unit 142 First image signal generation unit 151 First Program 152 Second Program 153 First automatic start program 161 Second information processing unit 162 Second image signal generator 171 Third Program 172 Fourth Program 173 Second automatic start program

Claims (16)

[Claims] 1. A display terminal device, and a computer connectable and separable from the display terminal device, wherein the computer includes a first image signal generation unit that generates an image signal, and the image signal. A first wireless communication unit that transmits information, a first connector that outputs information including the image signal and is connectable to a second connector of the display terminal device, and the second connector is the first connector. A first detection unit that detects whether or not the first wireless communication unit is connected, a first program that does not operate the first wireless communication unit, and a second program that operates the first wireless communication unit. , The first program or the second program at power-on
A first automatic startup program for selectively activating the above program, a first storage section for storing the first automatic start program, and the first program when the second connector is connected to the first connector Run the second
And a first information processing unit that executes the second program when the connector is not connected to the first connector, the display terminal device displays information including the image signal. A second connector that is input and connectable to the first connector, a second wireless communication unit that receives information including the image signal, an image display unit, and the second connector is the first connector. A second detection unit that detects whether or not it is connected to the connector, an image display processing unit that drives the image display unit based on the image signal, and a third that does not operate the second wireless communication unit. Program, a fourth program for operating the second wireless communication unit, and the third program or the fourth program when the power is turned on.
A second storage unit for storing a second automatic start program for selectively starting the program, and the second detecting unit for connecting the first connector to the second connector. Is detected, the third program is executed, and when the second detection unit detects that the first connector is not connected to the second connector, the fourth program is executed. An information processing apparatus, comprising: a second information processing unit that executes. 2. The first information processing unit detects at least the first detecting unit detects that the second connector is connected to the first connector when the computer is powered on. If the first connector is connected to the first connector and the second connector is connected to the first connector, the first program is started and the computer is powered on. Sometimes the first connector detects that the second connector is not connected to the first connector, and the second connector is separated from the first connector. If the first detection unit detects, the second program is started, and the second information processing unit is configured such that at least when the display terminal device is powered on, the first connector is the second connector. Ko The second detector detects that the first connector is connected to the second connector, and the second detector detects that the first connector is connected to the second connector. When the second detection unit detects that the first connector is not connected to the second connector when the display terminal device is powered on, the third program is activated, and The information processing apparatus according to claim 1, wherein the fourth program is started when the second detection unit detects that the first connector is separated from the second connector. apparatus. 3. The display terminal device further includes a display terminal side operation input unit, and when the second information processing unit executes the fourth program, the second wireless communication unit displays the display. When the command input from the terminal-side operation input unit is transmitted to the first wireless communication unit and the first information processing unit executes the second program, the first wireless communication unit receives the command. The information processing apparatus according to claim 1 or 2, wherein the command is transmitted to the first information processing unit, and the first information processing unit executes the command. 4. The display terminal device further includes a second image signal generation unit, wherein the fourth program includes a plurality of mode programs including a first mode and a second mode, and an operator. A selection program that selects and executes any one of the plurality of modes based on an input of the image, and the second information processing unit executes the program of the first mode, the image The display unit displays the image signal generated by the first image signal generation unit, and when the second information processing unit executes the program in the second mode, the image display unit displays the second signal. The information processing device according to claim 1 or 2, wherein the image signal generated by the image signal generation unit is displayed. 5. The second information processing unit, when the second information processing unit is executing the program in the second mode, causes the second information processing unit to perform the first information processing through the second wireless communication unit. An information processing request is transmitted to the unit, and information obtained as a result of processing the information according to the information processing request transmitted from the first information processing unit is received through the second wireless communication unit. The information processing device according to claim 4. 6. The first wireless communication unit stops transmission of an image signal when the second information processing unit is executing the program in the second mode. 4. The information processing device according to item 4. 7. The information processing apparatus according to claim 4, wherein the fourth program further automatically selects and executes any one of the plurality of modes. 8. The first detection unit inputs a DC voltage of at least one terminal of the first connector, and determines whether the second connector is connected to the first connector. Detecting based on the threshold value of the second connector, the second detector inputs the DC voltage of at least one terminal of the second connector, and determines whether the first connector is connected to the second connector. It is detected based on a predetermined threshold value. The information processing apparatus according to any one of claims 1 to 7, wherein: 9. A display terminal device and a computer connectable to and separable from the display terminal device, the computer being connected to a first wireless communication unit and a second connector of the display terminal device. Possible first connector, and the display terminal device has a second connector connectable to the first connector and a second wireless communication unit. An image signal generation step in which the computer generates an image signal, and when it is detected that the second connector is connected to the first connector when the computer is powered on, A transmission stop step of stopping transmission of the first wireless communication unit; and detecting that the second connector is not connected to the first connector when the computer is powered on. A transmission step of transmitting information including the image signal to the first wireless communication unit when the first terminal is turned on, and the first connector is connected to the second connector when the display terminal device is powered on. A reception stop step of stopping reception of the second wireless communication unit when it is detected that the first connector is connected to the second connector when the display terminal device is powered on. A reception step of causing the second wireless communication unit to receive information including the image signal when it is detected that the connection is not established; and a display step of causing the display terminal device to display the image signal. A method for controlling an information processing device, comprising: 10. A display terminal device and a computer connectable to and separable from the display terminal device, wherein the computer is connected to a first wireless communication unit and a second connector of the display terminal device. Possible first connector, and the display terminal device has a second connector connectable to the first connector and a second wireless communication unit. And an image signal generating step in which the computer generates an image signal, and transmitting the first wireless communication unit when detecting that the second connector is connected to the first connector. A transmission stop step of stopping, and a transmission step of causing the first wireless communication unit to transmit information including the image signal when detecting that the second connector is separated from the first connector And a reception stop step of stopping reception of the second wireless communication unit when it is detected that the first connector is connected to the second connector, and the first connector is the second connector. A receiving step of causing the second wireless communication unit to receive information including the image signal when it is detected that the display terminal device displays the image signal. A method of controlling an information processing device, comprising: 11. The display terminal device further includes a display terminal side operation input unit, and the first connector is not connected to the second connector when the display terminal device is powered on. Is detected or when it is detected that the first connector is separated from the second connector, the command input from the display terminal side operation input unit is transmitted from the display terminal device to the computer. And a second transmitting step, which detects that the second connector is not connected to the first connector when the computer is turned on, or the second connector is the first connector. A second receiving step in which the computer receives the command transmitted from the display terminal device when it is detected that the computer is separated from the connector; 11. A command executing step for executing the command, further comprising:
A method for controlling an information processing apparatus according to item 1. 12. A first display step of causing the display terminal device to display an image signal transmitted from the computer when the first connector is not connected to the second connector, and the display terminal. The second display step in which the display terminal device displays the image signal generated by the device, further comprising:
A method for controlling an information processing apparatus according to item 1. 13. An information processing request step of causing the display terminal device to send an information processing request to the computer when the first connector is not connected to the second connector, and the display terminal from the computer. 13. The information processing apparatus control method according to claim 12, further comprising: an information transmitting step of transmitting to the apparatus information resulting from processing the information in response to the information processing request. 14. The method of controlling the information processing apparatus according to claim 12, further comprising a stop step of stopping the transmission of the image signal by the first wireless communication unit in the second display step. . 15. The control method of the information processing apparatus according to claim 12, wherein the display terminal device automatically selects and executes the first display step or the second display step. . 16. The computer detects whether the second connector is connected to the first connector based on a DC voltage of at least one terminal of the first connector, and displays the display. The terminal device detects whether the first connector is connected to the second connector, based on a DC voltage of at least one terminal of the second connector. The method for controlling an information processing device according to any one of claims 9 to 15.