JPH11305916A - Mobile display terminal device, mobile display system, and storage medium - Google Patents

Abstract

(57) [Summary] An object of the present invention is to establish a wired or wireless communication connection between a computer and a portable display terminal device, and to display a part of the display contents of the computer desired by the user. Mobile display terminal device, mobile display system,
And a storage medium. SOLUTION: A CPU 31 of a portable display terminal device 3 receives display contents from a computer 2, displays the received contents, and then receives command information corresponding to a command button of the display contents. When it is determined that the user has performed a button instruction input via the input device 33, the CPU 31 transmits command information corresponding to the instructed button to the computer 2 and executes the processing on the computer 2. Let it.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable display terminal device which performs a part of display processing on a computer side by being connected to a computer, and a portable display system constituted by the portable display terminal device and a computer.
And a storage medium storing a program to be executed in the portable display terminal device.

[0002]

2. Description of the Related Art Computer operating systems (Operating Systems) have recently been developed.
System) is a multitasking OS.
The multitask OS can simultaneously process a plurality of tasks (work) on a single computer, and when working on a computer using the multitask OS, a plurality of windows are displayed on a display screen. There are many scenes that open and work.

[0003]

However, when a task is executed by a plurality of windows in a multitask OS, if one window is displayed on the entire display screen (maximum display), another window is displayed. Windows could be hidden behind or forcibly displayed on top of a window in the foreground, interrupting the user's work.

[0004] Therefore, an object of the present invention is to establish a wired or wireless communication connection between a computer and a portable display terminal device, and to display the contents displayed on a computer display.
An object of the present invention is to provide a portable display terminal device, a portable display system, and a storage medium capable of receiving and displaying display contents related to a part of a task desired by a user.

[0005]

According to the first aspect of the present invention,
In a portable display terminal device which is connected to a computer which performs main processing by multi-task processing in a wired or wireless manner and performs a part of display processing of the computer, a predetermined task process among various task processes executed by the computer Various data relating to, receiving means for receiving from the computer, based on display data of the various data received by the receiving means,
Display means for displaying display contents related to the predetermined task processing.

According to the portable display terminal device of the present invention, the receiving means receives from the computer various data relating to a predetermined task process among the various task processes executed by the computer, and displays the data. The means displays display contents relating to the predetermined task processing based on display data among the various data received by the receiving means.

According to a tenth aspect of the present invention, there is provided a portable display system in which a computer which performs main processing by multitask processing and a portable display terminal device which performs a part of display processing of the computer are connected by wire or wireless communication. The computer transmits, to the portable display terminal device, first display means for displaying various task processes, and various data relating to predetermined task processing among the various task processes displayed on the first display means. The portable display terminal device includes a receiving unit that receives various data related to a predetermined task process transmitted from the transmitting unit of the computer; and a receiving unit that receives the various data from the various data received by the receiving unit. Second display means for displaying display contents related to the predetermined task processing based on display data. It is characterized by a door.

According to the portable display system of the present invention, the computer displays various task processes on the first display means, and displays various task processes on the first display means on the transmission means. Various data relating to a predetermined task process among the task processes is transmitted to the portable display terminal device, and the portable display terminal device receives the various data relating to the predetermined task process transmitted from the transmission unit of the computer by a receiving unit. And the second display means displays display contents related to the predetermined task processing based on the display data of the various data received by the reception means.

According to a twelfth aspect of the present invention, there is provided a computer which is connected by wire or wirelessly to a computer which performs main processing by multitask processing, and stores a program which can be executed by a portable display terminal device which performs a part of display processing of the computer. The storage medium described above, based on a program code for receiving various data relating to a predetermined task process among various task processes executed by the computer from the computer, and display data among the received various data. And a program code for displaying display contents related to the predetermined task processing.

Therefore, a predetermined task of the various tasks displayed on the display of the computer performing the multi-task processing can be displayed on the portable display terminal device side, so that a plurality of task windows can be displayed on the display screen of the computer. It is possible to make it easier to see the display screen of the computer by avoiding overlapping as much as possible, and to improve the work efficiency of the user.

According to a ninth aspect of the present invention, there is provided a portable display terminal device which is connected to a computer which performs a main process by multitask processing in a wired or wireless manner and performs a part of a display process of the computer, wherein the portable terminal device is executed by the computer. Receiving means for receiving, from the computer, display data relating to contents newly displayed by the specific task processing when the specific task processing of the various task processings is started; and Display means for displaying display contents newly generated by the specific task processing based on the display data.

[0012] According to the portable display terminal device of the ninth aspect of the present invention, when a specific task process among various task processes executed by the computer is activated, the receiving means performs the specific task process. Display data relating to the content to be newly displayed by the computer, the display means based on the display data received by the receiving means, the display content newly generated by the specific task processing indicate.

According to an eleventh aspect of the present invention, there is provided a portable display system in which a computer performing main processing by multitask processing and a portable display terminal device which performs a part of display processing of the computer are connected by wire or wireless communication. A first display unit for displaying various task processes; and a display relating to contents newly displayed by the specific task process when a specific task process of the various task processes is activated. Transmitting means for transmitting data to the portable display terminal device, the portable display terminal device receiving means for receiving the display data transmitted from the transmitting means of the computer, and receiving the data by the receiving means. A second displaying a display content newly generated by the specific task processing based on the display data; It is characterized by comprising a shows means.

According to the portable display system of the present invention, the computer displays various task processes by the first display means, and a specific task process among the various task processes by the transmission means. When is activated, display data relating to the content newly displayed by the specific task process is transmitted to the portable display terminal device, and the portable display terminal device receives, from the transmission unit of the computer, The display data transmitted is received, and the display content newly generated by the specific task processing is displayed by the second display means based on the display data received by the reception means.

According to a thirteenth aspect of the present invention, there is provided a computer which is connected by wire or wirelessly to a computer which performs main processing by multitask processing and stores a program which can be executed by a portable display terminal device which performs a part of display processing of the computer. When a specific task process among various task processes executed by the computer is activated in the storage medium, display data relating to contents newly displayed by the specific task process is received from the computer. And a program code for displaying a display content newly generated by the specific task processing based on the received display data.

Therefore, when a specific task process is started, a window or the like newly created by the specific task process is displayed directly on the portable display terminal without displaying on a computer display. Therefore, it is possible to avoid overlapping windows of a plurality of tasks on the display screen of the computer as much as possible, to make it easier to see the display screen of the computer, and to improve the work efficiency of the user.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a portable display system according to the present invention will be described in detail with reference to FIGS.

(First Embodiment) A portable display system 1 according to a first embodiment of the present invention will be described in detail with reference to FIGS. First, the configuration will be described.

FIG. 1 is a schematic diagram showing the configuration of the portable display system 1 according to the first embodiment. In FIG. 1, a portable display system 1 is configured by connecting a computer 2 and a portable display terminal device 3 by wire or wirelessly. In the first embodiment, it is assumed that the portable display terminal device 3 performs processing on the portable display terminal device 3 side according to an instruction input from the user according to whether or not the portable display terminal device 3 is in a state capable of communication connection with the computer 2. A flag setting process (see FIG. 6) for setting a “flag” indicating that the selected task is transferred to the portable display terminal device 3 side, and a mail task process as an example of the task process executed by the computer 2 (FIG. 7) and a display reception process (see FIG. 9) executed by the portable display terminal device 3 communicatively connected to the computer 2.

FIG. 2 is a block diagram showing an internal configuration of the computer 2 shown in FIG. 2, a computer 2 includes a CPU 21, a display device 22, and an input device 2.
3, a RAM 24, a printing device 25, a storage device 26 having a storage medium 27, and a communication control unit 28, and each unit is connected by a bus 29.

CPU (Central Processing Unit) 21
Is the computer 2 stored in the storage device 26
Are stored in the work area in the RAM 24, and are stored in the RAM 24 in accordance with the input instructions and the input data. Various processes are executed according to the application program, and the processing results are stored in a RAM.
24 in the work area, and the display device 2
2 is displayed. Then, the processing result stored in the work area is stored in a storage destination in the storage device 26 which is instructed to be input from the input device 23.

The CPU 21 executes a flag setting process described later (see FIG. 6).
In accordance with the instruction input via the terminal 3, a task to be processed in the portable display terminal device 3 is selected, and in a task management table (described later, see FIG. 3) stored in the RAM 24, "selection" corresponding to the selected task is performed. Is changed to a state indicating that the item has been selected.

Then, the CPU 21 determines that the portable display terminal device 3 is within the wirelessly connectable range, and further determines that the “flag” of the selected task is “0” (reset). Then, a communication connection with the portable display terminal device 3 is made via the communication control unit 28, and the “flag” of the selected task is set to “1”. That is, if the “flag” of the task selected to be processed in the mobile display terminal device 3 is reset, it is determined that the communication connection is not made at that time, and the communication connection is made. Is started, the "flag" of the selected task is set to indicate that the communication connection is being established.

If the CPU 21 determines that the portable display terminal device 3 does not exist within the wirelessly connectable range and further determines that the “flag” of the selected task is “1” (set). Then, the communication connection made with the portable display terminal device 3 via the communication control unit 28 is cut off, and the “flag” of the selected task is reset to “0”. That is, when the “flag” of the task selected to be processed in the portable display terminal device 3 is set, the communication connection was made before that time, but the portable display terminal device 3 is now connected. It is determined that the communication connection is not possible because it is not within the communicable range, and the communication connection is cut off.When the communication connection is cut off, the “flag” of the selected task is reset. Indicates that the communication is disconnected.

The CPU 21 executes a mail task process (see FIG. 7) as an example of a task process executed by the computer 2 described later. First, an initial display screen relating to the mail task process is generated and stored in the RAM 24. Then, referring to the task management table stored in the storage medium 27 in the storage device 26, if it is determined that the “flag” of the mail task is not set, the normal mail task Perform processing.

On the other hand, if it is determined that the “flag” of the mail task is set, the CPU 21 performs a display transfer process of transferring display contents relating to the mail task process to the portable display terminal device 3. In this display transfer process, if it is determined that the “flag” set corresponding to the mail task has changed from the reset state, the CPU 21 performs the processing based on the initial display screen and the mail task process. The display information and the command information about the command button corresponding to the mail task are transmitted. That is, if it is determined that the state has changed from the reset state to the set state, it is determined that the communication connection is to be started, and the mail task such as an initial display screen and command information is used as a basis. Various data are transmitted to the portable display terminal device 3.

If it is determined that the “flag” of the mail task has not changed from the reset state, and if it is determined that a mail has arrived via the communication control unit 28, the CPU 21 Various processes are performed according to instructions from the user, such as transmitting an incoming call notification to the display terminal device 3. That is, when it is determined that the state has not changed from the reset state to the set state, it is determined that the communication state has already been established, and the CPU 21 performs a process for displaying only newly generated display contents. It will be.

The display device 22 is a CRT (Cathode Ray Tu).
be), which is constituted by a liquid crystal display device or the like, and displays display data input from the CPU 21. The input device 23 includes a keyboard having a cursor key, numeric input keys, various function keys, and the like, and a mouse as a pointing device. The input device 23 outputs a pressing signal of a key pressed by the keyboard to the CPU 21, and outputs the signal by the mouse. An operation signal is output to the CPU 21.

A RAM (Random Access Memory) 24 is
It has a work area for storing designated application programs, input instructions, input data, processing results, and the like. In the work area in the RAM 24, a flag setting process (FIG.
2), a task management table for setting whether or not to transfer the display content of each task to the portable display terminal device 3 is stored.

FIG. 3 is a diagram showing an example of the data configuration of the task management table created by the CPU 21 of the computer 2 and stored in the work area in the RAM 24 in a flag setting process (see FIG. 6) described later. In the task management table, in a flag setting process to be described later, identification information indicating that a task selected as “transfer to the portable display terminal device 3 to be processed” is selected. 3 is represented by “○”), and is created by setting a “flag” indicating whether or not the task set as selected is being transferred to the portable display terminal device 3. Is done. Then, the task selected to be transferred to the portable display terminal device 3 for processing is transferred to the portable display terminal device 3 in an appropriate procedure according to the state of the “flag”.

That is, when the computer 2 and the portable display terminal device 3 can be connected for communication, the “flag” is set to “1”.
(Set) ", it is determined that the communication connection has already been established, and only the newly generated display contents are transferred from the computer 2, and the" flag "is" 0 (reset) ". In this case, it is determined that the communication connection has been started, and the computer 2 starts the transfer of the initial display screen of the selected task. In the example shown in FIG. 3, a mail task is selected as a task to be transferred from the computer 2 to the portable display terminal device 3 for processing, and the “flag” of the mail task is set, so that This is a state where the data is actually transferred to the portable display terminal device 3.

The printing device 25 prints data and the like created by various application programs corresponding to the computer 2.

The storage device 26 has a storage medium 27 in which programs, data and the like are stored in advance, and this storage medium 27 is constituted by a magnetic or optical recording medium or a semiconductor memory. The storage medium 27 is fixedly provided in the storage device 26 or is detachably mounted. The storage medium 27 is processed by various application programs corresponding to the computer 2 and processing programs. Data and the like are stored. Further, the program, data, and the like stored in the storage medium 27 may be configured to be received and stored from another device connected via a communication line or the like.
A storage device having the storage medium 27 is provided on the side of another device connected via a communication line or the like.
May be used via the communication control unit 28 and a communication line.

The communication control unit 28 includes the RS-232C, Ir
An interface such as DA and USB is provided, and controls communication processing performed with an external device such as the portable display terminal device 3.

FIG. 4 is a block diagram showing the internal configuration of the portable display terminal device 3 shown in FIG. In FIG.
The portable display terminal device 3 includes a CPU 31, a display device 32, an input device 33, a RAM 34, a storage device 35 including a storage medium 36, and a communication control unit 37, and each unit is connected by a bus 38.

CPU (Central Processing Unit) 31
Is an application program designated from the various application programs corresponding to the portable display terminal device 3 stored in the storage device 35, and the input device 3
The various instructions or data input from 3 are stored in the RAM 34
In accordance with the input instruction and the input data, various processes are executed in accordance with the application program stored in the RAM 34, and the processing results are stored in the R.
It is stored in the work area in the AM 34 and displayed on the display device 32. Then, the storage device 35 instructed to input the processing result stored in the work area from the input device 33.
Save to the save destination in.

The CPU 31 executes a display reception process (see FIG. 8), which will be described later, and if it is determined that an instruction has been input from the computer 2 via the communication control unit 37, the display content is transmitted from the computer 2 to the computer 31. Then, the command information corresponding to the command button of the display content is received. Then, the CPU 31 generates a button table (corresponding to FIG. 5 described later, which shows the correspondence between the display position of the command button displayed on the display device 32 based on the display content received from the computer 2 and the command information received from the computer 2. ) To create.

Next, when it is determined that the data has been received from the computer 2 via the communication control unit 37, the CPU 31 displays the received content on the display device 32. Further, the CPU 31 allows the user to operate the input device 33
When it is determined that the button instruction input has been performed via the communication control unit 37, the command information corresponding to the instructed button is transmitted to the computer 2.

The display device 32 has a small display unit such as a liquid crystal display panel, and displays display data input from the CPU 31. The input device 33 includes a touch panel or the like integrated with the display device 32, detects coordinates designated by a dedicated input pen, and outputs the detected coordinates to the CPU 3.
Output to 1. Further, the input device 33 may include a key input unit including a plurality of keys to which specific functions are assigned.

A RAM (Random Access Memory) 34 is
It has a work area for storing designated application programs, input instructions, input data, processing results, and the like. In the work area in the RAM 34, display data relating to a task received from the computer 2 is stored in a display reception process (see FIG. 8) executed by the portable display terminal device 3 described later, and a toolbar for the task is provided. The display data relating to the command buttons registered in the command button, the command information indicating the contents of the command corresponding to each command button, and the button table in which the display position of the command button is associated with the command information are stored.

FIG. 5 is a diagram showing an example of a data configuration of a button table created by the CPU 31 of the portable display terminal device 3 and stored in the work area in the RAM 34 in a display receiving process (see FIG. 8) described later. is there. The button table stores the button data indicating the display contents of the buttons in the toolbar of the task transferred from the computer 2 to the portable display terminal device 3 and the CPU 31 of the portable display terminal device 3 which receives the command information corresponding to each button.
Are created by arranging and displaying the toolbar buttons on the screen of the display device 32 and then associating the arrangement coordinates of each button with the command.

In the example shown in FIG. 5, a button located at the layout coordinates (X1, Y1) on the display screen of the display device 32 of the portable display terminal device 3 is associated with a "copy" command, and the layout coordinates ( The buttons located at (X2, Y2) include:
A “paste” command is associated. And
When the user inputs a button instruction using the input device 33, a command corresponding to the button for which the button instruction has been input is specified using the button table.

The storage device 35 has a storage medium 36 in which programs, data, and the like are stored in advance, and the storage medium 36 is constituted by a magnetic or optical recording medium or a semiconductor memory. The storage medium 36 is fixedly provided on the storage device 35 or is detachably mounted. The storage medium 36 includes various application programs and processing programs corresponding to the portable display terminal device 3. The processed data and the like are stored.

The program, data, and the like stored in the storage medium 36 may be received from another device connected via a communication line or the like and stored. A storage device having the storage medium 36 is provided on another device connected via a communication line or the like, and programs, data, and the like stored in the storage medium 36 are transferred to the communication control unit 37 and the communication line. It may be configured to be used via

The communication control unit 37 includes the RS-232C, Ir
An interface such as DA and USB is provided, and controls communication processing performed with an external device such as the computer 2.

Next, the operation will be described. First, a flag setting process executed by the computer 2 will be described with reference to FIG. FIG. 6 is a flowchart illustrating a flag setting process of the computer 2. In the flowchart shown in FIG. 6, the computer 2 is referred to as "PC".
It is written.

In a state where the CPU 21 of the computer 2 reads the application from the storage medium 27 in the storage device 26 based on the user's input of the application start instruction through the input device 23 and starts a plurality of tasks (step S101), The CPU 21 further selects a task to be processed in the portable display terminal device 3 according to a user's instruction input via the input device 23, and
In the task management table as shown in FIG. 3 stored in FIG. 24, a state indicating that the “selection” item corresponding to the selected task has been selected (in FIG. (Step S10)
2).

Next, the CPU 21 transmits a radio signal for checking whether or not the portable display terminal device 3 is within the wirelessly connectable range (step S103), and determines whether or not there is a response signal to the transmitted radio signal. It is determined whether or not the portable display terminal device 3 is within the connectable range (step S104).

Then, the CPU 21 proceeds to step S104.
In step S102, if it is determined that the portable display terminal device 3 is within the wirelessly connectable range, the task management table as shown in FIG. It is determined whether or not the “flag” is “0” (reset) (step S105). Further, if it is determined in step S105 that the “flag” has been reset, the CPU 21 determines whether the portable display terminal device 3 has been reset via the communication control unit 28.
Is established (step S106), and then the "flag" of the task selected in step S102
Is set to "1" (step S107), and the process returns to step S103.

That is, when the “flag” of the task selected to be processed in the portable display terminal device 3 is reset, it is determined that the communication connection is not made at that time, and the communication connection is made. Setting the "flag" of the selected task when the communication connection is started,
Indicates that communication connection is in progress.

If it is determined in step S104 that the portable display terminal device 3 is not in the wirelessly connectable range, the CPU 21 refers to the task management table stored in the RAM 24 as shown in FIG. Then, it is determined whether the “flag” of the task selected in step S102 is “1” (set) (step S102).
108). Further, when it is determined in step S108 that the “flag” is set, the CPU 21 cuts off the communication connection with the portable display terminal device 3 via the communication control unit 28 (step S108). S109),
Next, the “flag” of the task selected in step S102 is reset to “0” (step S11).
0), and the process returns to step S103.

That is, if the “flag” of the task selected to be processed in the portable display terminal device 3 is set, the communication connection was established before that time, but the portable display It is determined that the communication connection is not possible because the terminal device 3 is not within the communication range, and the communication connection is cut off. When the communication connection is cut off, the “flag” of the selected task is set. Reset to indicate that communication has been disconnected.

If it is determined in step S105 that the "flag" of the selected task has not been reset, or if it is determined in step S108
In step S103, when it is determined that the “flag” of the selected task is not set,
Move to

That is, if the portable display terminal 3 is within the communicable range and the “flag” of the task selected to be processed in the portable display terminal 3 is set, the communication connection is already established. The state is determined to be the state, the communication connection state is continued, and the “flag” of the task selected as the mobile display terminal device 3 not existing within the communicable range and selected to be processed in the mobile display terminal device 3 Is reset, it is determined that the communication is already disconnected, and the communication disconnected state is continued.

Next, a mail task process as an example of a task process executed by the computer 2 will be described with reference to FIG. In FIG. 7, when a mail task execution instruction is input from the user via the input device 23, the CPU 21 of the computer 2 first generates an initial display screen relating to the mail task processing and stores it in the RAM 24 (step S201). Next, it is determined whether or not the “flag” of the mail task is set with reference to the task management table stored in the storage medium 27 in the storage device 26 (step S202). At this time, the CPU 21 does not output the initial display screen generated in step S201 to the display device 22, and does not perform display related to the mail task process.

Then, the CPU 21 proceeds to step S202
When it is determined that the "flag" of the mail task has not been set, the computer 2 performs a normal mail task process (steps S203 to S208). In this normal processing, the CPU 21
First, it is determined whether or not a mail has arrived via the communication control unit 28 (step S203). If it is determined that a mail has arrived, the display device 22 displays an initial display screen and an incoming notification display on the display device 22 Perform (step S204),
The process returns to step S202.

If it is determined in step S203 that no mail has arrived, then CPU 21 determines whether an instruction has been input from the user via input device 23 (step S205). If it is determined that the instruction has not been input, step S is executed again.
Move to 202. In addition, the CPU 21 determines in step S2
In step 05, when it is determined that an instruction has been input from the user, it is determined whether or not the instruction content is an end instruction (step S206). When it is determined that the instruction is an end instruction, a series of mail processing is performed. To end.

If it is determined in step S206 that the instruction content input by the user is not an end instruction, the CPU 21 performs processing according to the instruction content (step S207), and displays the initial display screen. The processing result is displayed on the display device 22 (step S20).
8) Then, the process returns to step S202.

On the other hand, if it is determined in step S202 that the “flag” of the mail task is set, the CPU 21 transfers the display contents relating to the mail task processing to the portable display terminal device 3 (step S202). Steps S209 to S218) are performed. In this display transfer process, the CPU 21 first determines whether the “flag” set corresponding to the mail task has changed from the reset state by the flag setting process of the computer 2 described above with reference to FIG. Is determined (step S209).

Then, the CPU 21 determines in step S209
In step S216, if it is determined that the state has changed from the reset state, the initial display screen and the display contents based on the mail task process are transmitted to the portable display terminal device 3 (step S216). Command information related to the command button corresponding to the task is transmitted (step S217), and the process returns to step S202.

That is, when it is determined that the state has changed from the reset state to the set state, it is determined that the communication connection is to be started, and the mail task such as the initial display screen and command information is executed. Various basic data are transmitted to the portable display terminal device 3.

If it is determined in step S 209 that the “flag” of the mail task has not changed from the reset state, the CPU 21 determines whether or not mail has arrived via the communication control unit 28. Is determined (step S210), and if it is determined that an incoming call is received, an incoming call notification is transmitted to the portable display terminal device 3 (step S218), and the process returns to step S202.

If it is determined in step S 210 that no mail has arrived, then CPU 21 determines whether or not an instruction has been input from the user via input device 33 of portable display terminal device 3. It is determined (step S211), and if it is determined that the instruction has not been input, the process returns to step S202. Also, CPU
If it is determined in step S210 that an instruction has been input from the user, it is determined whether the instruction is an end instruction (step S212). If it is determined that the instruction is an end instruction, the process proceeds to step S212. A series of mail processing ends.

If it is determined in step S212 that the instruction content input by the user is not an end instruction, the CPU 21 performs a process according to the instruction content (step S213), and terminates the process. Is transmitted to the portable display terminal device 3 (step S214), and further, command information corresponding to the command button of the application performing the process is transmitted (step S215), and the process returns to step S202.

That is, when it is determined that the state has not changed from the reset state to the set state, it is determined that the communication connection state has already been established, and the CPU 21 performs only the newly generated display contents. Processing (Step S2)
10 to step S215 and step S218).

Next, a display reception process executed by the portable display terminal device 3 will be described with reference to FIG.
8, the CPU 31 of the mobile display terminal device 3 first determines whether or not an instruction input by the user via the input device 23 of the computer 2 is input via the communication control unit 37 (step S301). ), If it is determined that no input has been made, a unique process (PIM [PersonalInformation Ma
nager] to perform comprehensive management of personal information such as a schedule, an address book, and a memo) (step S302).

When it is determined in step S301 that an instruction has been input from the computer 2 via the communication control unit 37, the CPU 31 further receives display contents from the computer 2 via the communication control unit 37. (Step S303), and then receives command information corresponding to the command button of the display content (step S304). Then, the CPU 31 determines in step S303
A button table (FIG. 5) showing the correspondence between the display position of the command button displayed on the display device 32 based on the display content received from the computer 2 at step S304 and the command information received from the computer 2 at step S304.
(See step S305).

Next, the CPU 31 determines whether or not data has been received from the computer 2 via the communication control unit 37 (step S 306). It is displayed (step S307). Here, the data for determining whether or not the data has been received in step S306 include steps S214 and S214 of the mail task process of the computer 2.
Various data transmitted in 218 are included.

If it is determined in step S306 that no instruction has been received, the CPU 31 determines whether or not the user has input a button instruction via the input device 33 (step S308). If it is determined that there is no input, the process returns to step S306.

If it is determined in step S308 that there is a button instruction input, the CPU 31
Command information corresponding to the instructed button is transmitted to the computer 2 via the communication control unit 37 (step S309), and it is determined whether or not the command is an end command (step S310). If determined to be, the process returns to step S306 again,
If it is determined that the command is an end command, the display content,
After clearing various setting data (step S311),
The process returns to step S301.

Next, FIGS. 9 to 11 show how the mail task is displayed by the flag setting processing (see FIG. 6), the mail task processing (see FIG. 7), and the display receiving processing (see FIG. 8). It will be described with reference to FIG. In the following description, it is assumed that the mail task is set in the task management table on the assumption that the mail task is selected as a task to be processed on the portable display terminal device 3 side.

FIG. 9 is a view showing a state in which a word processing task document creation window is displayed on the display screen of the display device 22 of the computer 2. FIG. FIG. 11 is a diagram illustrating a state in which a normal display process is performed by the computer 2 when a communication connection is impossible due to a reason that the computer 2 is longer than a distance. FIG. FIG. 11 is a diagram illustrating a state in which a connection is established and a display of a mail task is transferred to and displayed on the mobile display terminal device 3.

In the state shown in FIG. 9, the flag setting process shown in the flowchart of FIG. 6 is performed, and the mail task is selected as a task to be processed on the portable display terminal device 3 side. If the computer 3 cannot establish a communication connection with the computer 2, the computer 2 cuts off the communication connection with the portable display terminal 3. Then, the computer 2 performs a normal mail task process, and as shown in FIG.
The display contents of the mail task are displayed on the display screen of.

In the state shown in FIG. 9, a flag setting process as shown in the flowchart of FIG. 6 is performed, and the mail task is selected as a task to be processed on the portable display terminal device 3 side. When the terminal device 3 is in a state capable of making a communication connection with the computer 2, the computer 2 makes a communication connection with the portable display terminal device 3. Then, the computer 2 performs display transfer processing in the mail task processing of the flowchart of FIG. 7, and the portable display terminal device 3 performs display reception processing as shown in FIG. The display contents of the task are transferred to the portable display terminal device 3.
At this time, as shown in FIG. 11, a display indicating the mail task is displayed on the display device 22 to indicate that the mail task is being activated and is being displayed on the display device 32 of the portable display terminal device 3. It is effective to make the state identifiable by, for example, making the display reverse.

In the above description, the mail task processing as an example of the task processing executed by the computer 2 has been described with reference to FIG. 7, but the same processing is performed for the task processing other than the mail task processing. Thereby, the display content can be transferred to the portable display terminal device 3. For example, when the schedule management task is executed, the portable display terminal device 3 can perform a process of notifying a schedule at a scheduled time registered in advance and displaying the contents of the schedule.

As described above, according to the portable display system 1 in the first embodiment, the computer 2
CPU 21 executes a flag setting process (see FIG. 6), selects a task to be processed in the portable display terminal device 3, and confirms that the “selection” item corresponding to the selected task has been selected. Change to the state shown. And C
The PU 21 sets the portable display terminal device 3 within a range where wireless connection is possible.
Is determined, and if the “flag” of the selected task is reset, it is determined that the communication connection is not made at that time, and the communication connection is made, and the communication connection is started. Then the "flag" of the selected task
Is set to indicate that communication is being established. Also, C
The PU 21 executes a mail task process (see FIG. 7) as an example of a task process executed by the computer 2 described later, and determines that the “flag” of the mail task is not set by referring to the task management table. If so, the computer 2 performs normal mail task processing. On the other hand, when it is determined that the “flag” of the mail task is set, the CPU 21 performs a display transfer process of transferring display contents related to the mail task process to the portable display terminal device 3.

Then, the CPU 31 of the portable display terminal device 3
Executes the display reception process (see FIG. 8) and executes the communication control unit 3
When it is determined that an instruction has been input from the computer 2 via the interface 7, the display content is received from the computer 2, and then the command information corresponding to the command button of the display content is received. Then, the CPU 31 displays the display device 32 based on the display content received from the computer 2.
Then, a button table (see FIG. 5) showing the correspondence between the display positions of the command buttons displayed in the step S1 and the command information received from the computer 2 is created. Further, the CPU 31
When it is determined that the data has been received from the computer 2 via the communication control unit 37, the display device 32 displays the received content. Further, when it is determined that a button instruction input has been made by the user via the input device 33, the CPU 31 transmits command information corresponding to the instructed button to the computer 2 via the communication control unit 37. .

Therefore, a predetermined task of the various tasks displayed on the display device 22 of the computer 2 that performs the multitask processing can be displayed on the portable display terminal device 3 side, so that it can be displayed on the display screen of the computer 2. It is possible to make it easier to see the display screen of the display device 22 of the computer 2 by avoiding overlapping windows of a plurality of tasks as much as possible, thereby improving the work efficiency of the user.

In addition, an electronic mail task and a schedule management task that do not require complicated input processing such as electronic mail transmission / reception processing, schedule registration, notification, and confirmation processing are displayed on the portable display terminal device side. By doing so, the display relating to the task processing mainly including input operations such as document creation is performed on the computer 2 side, and the display relating to the e-mail task processing for performing the passive display of the user and the display relating to the schedule management task processing are displayed on a portable display This can be performed on the terminal side, and the user's work efficiency can be improved by using the display device 22 and the display device 32 properly.

The display device 32 of the portable display terminal device 3
Sends command information on various commands such as selection, copy, paste, and application activation to the display content displayed on the computer 2 to the computer 2.
, The command can be operated by the portable display terminal device 3, and the usability of the portable display terminal device 3 can be improved. Furthermore, regardless of the processing capability of the mobile display terminal device 3, various task processes that can be processed by the computer 2 can be apparently processed by the mobile display terminal device 3, thereby improving the work efficiency of the user. .

When the portable display terminal device 3 is within a wirelessly connectable range from the computer 2, it is determined that communication connection is possible, and the portable terminal device 3 automatically displays the task processing. For example, when the portable display terminal device 3 is placed near the user operating the computer 2, the user can refer to both the computer 2 and the portable display terminal device 3. In this case, the task previously selected by the task management table is automatically displayed on the portable display terminal device 3 side, so that the display according to the intention of the user can be performed, and the usability of the portable display terminal device 3 can be improved. It can be further improved.

(Second Embodiment) A portable display system 1 according to a second embodiment of the present invention will be described in detail with reference to FIGS.

In the second embodiment, "transfer flags" are individually set for all tasks installed in the computer 2, and the tasks for which the "transfer flags" are set are activated. And the process of transferring the display contents related to the task to the portable display terminal device 3 will be described.

Note that the configuration of the portable display system 1 according to the second embodiment, and the internal configurations of the computer 2 and the portable display terminal device 3 constituting the portable display system 1 are the same as those of the first embodiment. It is the same as the portable display system 1, the computer 2, and the portable display terminal device 3 in the embodiment, so that illustration and description thereof are omitted, and a diagram that is different from the portable display system 1 in the first embodiment. 12, the operation of the portable display system 1 according to the second embodiment will be described with reference to a flowchart shown in FIG.

A task management table as shown in FIG. 12 is stored in the RAM 24 of the computer 2 constituting the portable display system 1 according to the second embodiment. A task management table as shown in FIG. 3 is stored in the RAM 24 of the computer 2 constituting the portable display system 1 according to the first embodiment, and one task is selected from a plurality of tasks. And the “flag” operation is performed only on the selected task. However, in the second embodiment, “transfer” is individually performed on all the tasks installed in the computer 2. Flag "can be set. And
When the task for which the “transfer flag” is set is activated, the display content related to the task is displayed on the portable display terminal device 3.
Will be forwarded to

In the example shown in FIG. 12, a plurality of tasks A,
Among the B, C, D,..., The “transfer flag” is set for the task B and the task C. Therefore, for example, when the CPU 21 of the computer 2 activates the task B, the task B is displayed on the display device 32 of the portable display terminal device 3, and the instruction input for the task B is also performed by the input device 33 of the portable display terminal device 3. Will be performed.

Next, the operation will be described. FIG. 13 is a flowchart showing the B task processing of the computer 2. In addition, the portable display terminal device 3 is configured to execute task B of the computer 2.
In order to perform the same processing as the display reception processing shown in FIG. 8 corresponding to the processing, in the following description, the flowchart shown in FIG.

Referring to FIG.
When an instruction input for activating task B is input via the CPU, the CPU 21 of the computer 2 first determines whether a “transfer flag” corresponding to the task B is set (step S401). ”Is not set (“ transfer flag ”=“ 0 ”), the window of task B is displayed on the display device 22 (step S402).

Next, the CPU 21 determines whether or not an instruction has been input from the user via the input device 23 (step S403). If it is determined that the instruction has not been input, the process returns to step S402. And also
If it is determined that the instruction input has been made, it is determined whether the instruction input is an end instruction (step S40).
4). If it is determined in step S404 that the instruction is an end instruction, the CPU 21 ends the series of task B processes, and if it is determined that the instruction is not an end instruction, the CPU 21 executes a process according to the instruction content. Perform (Step S4
05), and the process returns to step S402.

If it is determined in step S401 that the “transfer flag” corresponding to task B is set (“transfer flag” = “1”), CPU 21 relates to the window display of task B. Display data,
The data is transferred to the portable display terminal device 3 via the communication control unit 28 (step S406). Next, the CPU 21
It is determined whether or not an instruction request has been input from the portable display terminal device 3 via the communication control unit 28 (step S40).
7) If it is determined that the instruction request has not been input, step S407 is repeated to monitor the input of the instruction request.

If it is determined in step S407 that an instruction request has been input from portable display terminal device 3, CPU 21 then determines whether the instruction request is a termination instruction request. (Step S40
8) If it is determined that the request is a termination instruction request, a series of task B processing is terminated. If it is determined in step S408 that the request is not an end instruction request, the CPU 21 performs a process according to the instruction content of the instruction request (step S409), and displays display data indicating display content based on the processing result. Is updated (step S410),
The process again proceeds to step S406, and the display data updated in step S410 is transferred to the portable display terminal device 3 via the communication control unit 28.

Next, the manner in which task B is displayed by the above-described task B processing (see FIG. 13) will be described with reference to FIGS.
This will be described with reference to FIG. FIG. 14 shows a window of the task A displayed on the display screen of the display device 22 of the computer 2, and a window of the schedule task unique to the mobile display terminal device 3 displayed on the display screen of the display device 32 of the mobile display terminal device 3. FIG. 15 is a diagram showing
FIG. 14 is a diagram showing a state in which a “transfer flag” corresponding to task B is set (“transfer flag =“ 1 ”), and a window of task B is displayed on display device 32 of portable display terminal device 3; FIG. 16 shows that the “transfer flag” corresponding to task B is not set (“transfer flag =
FIG. 11B is a diagram showing that the window of task B is displayed on the display device 22 of the computer 2 as usual.

In the state shown in FIG. 14, when the “transfer flag” corresponding to task B is set,
When the task B processing as shown in the flowchart of FIG. 13 is performed, in step S401, the “transfer flag”
Is set, and the processes of steps S406 to S410 are performed. As shown in FIG.
The window of the task B is displayed on the display device 32 of the portable display terminal device 3, and an instruction input for the task B is also performed by the input device 33 of the portable display terminal device 3. At this time, in order to indicate that the task B is being activated and displayed on the display device 32 of the portable display terminal device 3, the display device 22 shown in FIG.
It is effective to make the icon indicating the task B in an identifiable state by, for example, highlighting the icon, as shown in FIG.

In the state shown in FIG.
When the “transfer flag” corresponding to the task B is not set, the task B as shown in the flowchart of FIG.
When the process is performed, it is determined in step S401 that the “transfer flag” is not set, and the process proceeds to step S401.
The processing from step 402 to step S405 is performed. As shown in FIG. 16, the window of task B is displayed on the display device 22 of the computer 2 as usual, and the task B
Is also performed by the input device 23 of the computer 2.

As described above, according to the portable display system 1 of the second embodiment, when the user inputs an instruction to activate the task B via the input device 23, the CPU 21 of the computer 2 If it is determined that the “transfer flag” corresponding to the task B is set, the display data relating to the window display of the task B is transferred to the portable display terminal device 3 via the communication control unit 28. Is displayed on the display device 32 of the portable display terminal device 3. When it is determined that the instruction request has been input from the portable display terminal device 3 via the communication control unit 28, the CPU 21 performs a process according to the instruction content of the instruction request, and The display data indicating the display content is updated based on the display data, and the updated display data is transferred to the portable display terminal device 3 via the communication control unit 28,
The information is displayed on the display device 32 of the portable display terminal device 3.

Therefore, when a task process in which a “transfer flag” is set in the task management table in advance is started, a window or the like newly created by the task process is displayed on the display device 22 of the computer 2. The display can be directly displayed on the display device 32 of the portable display terminal device 3 without causing the computer to avoid overlapping of a plurality of task windows on the display screen of the display device 22 of the computer 2 as much as possible. 2
The display screen of the display device 22 can be made easier to see, and the work efficiency of the user can be improved.

[0097]

According to the present invention, claim 1, claim 10, or claim 1 is provided.
According to the invention described in any one of (2) and (3), a predetermined task among various tasks displayed on the display of the computer performing the multitask processing can be displayed on the portable display terminal device side. It is possible to make it easier to see the display screen of the computer by avoiding overlapping windows of a plurality of tasks as much as possible, thereby improving the work efficiency of the user.

According to the invention described in any one of claims 2 to 4, in addition to the effect of the invention described in claim 1, an e-mail task that does not require complicated input processing such as e-mail transmission / reception processing , Or schedule registration, notifications,
In addition, since a schedule management task that does not require complicated input processing such as confirmation processing can be displayed on the portable display terminal device side, display relating to task processing mainly for input operations such as document creation is displayed on the computer side. On the portable display terminal side, the display on the e-mail task process or the schedule management task process for the user to be passive, such as e-mail arrival notification and display of the contents of the received e-mail, or schedule notification and display of the contents of the schedule at the scheduled time, etc. Can be performed, and the work efficiency of the user can be improved.

According to the fifth aspect of the present invention, in addition to the effects of the first aspect of the present invention, it is possible to select, copy, paste, start an application, etc., on the display contents displayed on the display means of the portable display terminal device. After setting whether or not the portable display terminal device accepts various commands, if it is set to accept, the command information can be transmitted to the computer and the computer can execute the command. It is possible to appropriately select whether to use the terminal device as a display-only terminal or to enable a command instruction operation, thereby improving the usability of the portable display terminal device. Further, regardless of the processing capability of the mobile display terminal device, various task processes that can be processed by the computer can be apparently processed by the mobile display terminal device, and the work efficiency of the user can be improved.

According to the invention described in claim 6, in addition to the effect of the invention described in claim 1, the portable display terminal can be connected to the computer without being conscious of the user connecting the computer to the computer. Since the display of the task processing can be performed, the usability of the portable display terminal device can be improved.

According to the invention described in claim 7, in addition to the effect of the invention described in claim 6, it is determined that communication connection is possible when the portable display terminal device is within a predetermined distance from the computer. Therefore, the task display can be automatically displayed on the portable display terminal device side, so that, for example, when the portable display terminal device is located near the user operating the computer, the user can connect with the computer. In a situation where both portable display terminal devices can be referred to, display transfer is performed, and the usability of the portable display terminal device can be further improved.

According to the eighth aspect of the present invention, in addition to the effect of the sixth aspect of the present invention, a predetermined specific task process is automatically displayed on the portable display terminal side.
By setting whether or not to perform automatic transfer for each task, display according to the user's intention can be performed, and usability of the portable display terminal device can be further improved.

[0103] Claim 9, Claim 11, or Claim 13
According to the invention described in any one of the above, when a specific task process is activated, a window or the like newly generated by the specific task process is not displayed on the display of the computer, and the portable display terminal Since it can be displayed directly on the device side, it is possible to minimize the overlapping of multiple task windows on the computer display screen and make it easier to see the computer display screen, thereby improving the user's work efficiency. Can be improved.

[Brief description of the drawings]

FIG. 1 is a schematic diagram illustrating a configuration of a portable display system 1 according to a first embodiment of the present invention.

FIG. 2 is a block diagram showing an internal configuration of a computer 2 shown in FIG.

FIG. 3 is a diagram showing an example of a data configuration of a task management table created by a CPU 21 of a computer 2 and stored in a work area in a RAM 24 according to the first embodiment of the present invention.

FIG. 4 is a block diagram showing an internal configuration of the portable display terminal device 3 shown in FIG.

FIG. 5 is a diagram showing an example of a data configuration of a button table created by a CPU 31 of the portable display terminal device 3 and stored in a work area in a RAM 34.

FIG. 6 is a flowchart illustrating a flag setting process executed by the computer 2.

FIG. 7 is a flowchart showing a mail task process as an example of a task process executed by the computer 2.

FIG. 8 is a flowchart showing a display reception process executed by the mobile display terminal device 3;

FIG. 9 shows a display screen of the display device 22 of the computer 2,
FIG. 11 is a diagram illustrating a state in which a document creation window of a word processing task is displayed.

FIG. 10 is a diagram illustrating a state where a normal display process is being performed by the computer 2 when a communication connection between the portable display terminal device 3 and the computer 2 is not possible.

FIG. 11 is a diagram showing a state where the computer 2 and the portable display terminal device 3 are connected for communication, and the display of the mail task is transferred to the portable display terminal device 3 and displayed.

FIG. 12 is a diagram illustrating an example of a data configuration of a task management table created by a CPU 21 of a computer 2 and stored in a work area in a RAM 24 according to a second embodiment of the present invention.

FIG. 13 is a flowchart showing a B task process as an example of a task process executed by the computer 2.

FIG. 14 shows a window of task A displayed on the display screen of the display device 22 of the computer 2, and the portable display terminal device 3.
FIG. 7 is a diagram showing a state where a window of a schedule task unique to the portable display terminal device 3 is displayed on the display screen of the display device 32 of FIG.

FIG. 15 shows that the window of task B is the portable display terminal device 3.
FIG. 3 is a diagram showing a state of being transferred to and displayed on the display device 32.

FIG. 16 shows that the window of task B is a portable display terminal device 3.
To the display device 22 of the computer 2 as usual.
FIG. 7 is a diagram showing a state displayed in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Portable display system 2 Computer 21 CPU 22 Display device 23 Input device 24 RAM 25 Printing device 26 Storage device 27 Storage medium 28 Communication control unit 29 Bus 3 Portable display terminal device 31 CPU 32 Display device 33 Input device 34 RAM 35 Storage device 36 Storage medium 37 Communication control unit 38 Bus

Claims (13)

[Claims] 1. A portable display terminal device which is connected to a computer which performs main processing by multi-task processing in a wired or wireless manner and performs a part of display processing of the computer. Receiving means for receiving, from the computer, various data related to the predetermined task processing, and a display for displaying display contents related to the predetermined task processing based on display data of the various data received by the receiving means. A portable display terminal device comprising: 2. The portable display terminal device according to claim 1, wherein the predetermined task processing is a task processing relating to an e-mail or a task processing relating to a schedule management. 3. The display data of the various data received from the computer is set by display data relating to an e-mail arrival notification indicating that an e-mail has arrived at the computer, or by schedule management task processing performed by the computer. 3. The portable display terminal device according to claim 2, wherein the display data is display data relating to a schedule notification for notifying a schedule at the set scheduled time. 4. The display data of the various data received from the computer may be display data relating to the contents of an e-mail arriving at the computer, or a schedule at a scheduled time set by a schedule management task process performed by the computer. 3. The portable display terminal device according to claim 2, wherein the display data is display data relating to the contents of the file. 5. A command instructing means for instructing various commands for display contents displayed on said display means, an acceptance setting means for setting whether or not to accept a command instruction by said command instructing means; And transmitting means for transmitting, to the computer, command information relating to the contents of the command specified by the command specifying means, when the setting is made to accept a command specification by the command specifying means. The portable display terminal device according to claim 1. 6. A computer further comprising: a discriminating means for discriminating whether or not a communication connection with the computer is possible, wherein the receiving means discriminates that the communication connection with the computer is possible by the discriminating means. 2. The portable display terminal device according to claim 1, wherein display data indicating the predetermined task processing is automatically received from the computer in the case. 7. The apparatus according to claim 6, wherein said determination means determines that the portable display terminal device is in a state capable of wirelessly connecting to the computer when the portable display terminal device approaches within a predetermined distance from the computer. Mobile display terminal device. 8. The portable display terminal device according to claim 6, wherein the predetermined task processing is a specific task processing which is set in advance to be automatically received from the computer. 9. A portable display terminal device which is connected to a computer which performs main processing by multi-task processing in a wired or wireless manner and performs a part of display processing of the computer. Receiving means for receiving, from the computer, display data relating to contents newly displayed by the specific task processing when the specific task processing is started, based on the display data received by the receiving means. And a display unit for displaying display contents newly generated by the specific task processing. 10. A portable display system in which a computer that performs main processing by multitask processing and a portable display terminal device that performs a part of display processing of the computer are connected by wire or wireless communication. First display means for displaying task processing; and transmission means for transmitting, to the portable display terminal device, various data relating to a predetermined task processing among various task processings displayed on the first display means. A receiving unit that receives various data related to a predetermined task process transmitted from a transmitting unit of the computer, based on display data of the various data received by the receiving unit, And second display means for displaying display contents relating to the predetermined task processing. Obi display system. 11. A portable display system in which a computer that performs main processing by multitask processing and a portable display terminal device that performs a part of display processing of the computer are connected by wire or wireless communication. First display means for displaying a task process; and when a specific task process of the various task processes is activated, display data on contents newly displayed by the specific task process is displayed on the portable display. Transmitting means for transmitting to the terminal device, the portable display terminal device, receiving means for receiving the display data transmitted from the transmitting means of the computer, based on the display data received by the receiving means And second display means for displaying display contents newly generated by the specific task processing. Portable display system characterized by the above-mentioned. 12. A storage medium which is connected to a computer which performs main processing by multitask processing by wire or wirelessly and stores a program which can be executed by a portable display terminal device which performs a part of display processing of the computer, wherein: The predetermined task is performed based on a program code for receiving various data related to a predetermined task process among various task processes executed by the computer from the computer, and display data of the received various data. A storage medium storing a program including: a program code for displaying a display content related to a process; 13. A storage medium which is connected to a computer which performs main processing by multi-task processing by wire or wirelessly and stores a program which can be executed by a portable display terminal device which performs a part of display processing of the computer, wherein: When a specific task process among various task processes executed by the computer is started, display data related to the content newly displayed by the specific task process, a program code for receiving from the computer, And a program code for displaying a display content newly generated by the specific task processing based on the received display data.