JPH01314462A - portable terminal device - Google Patents

Abstract

PURPOSE:To execute transmission and reception with a host computer at real time in a moving destination by integrating a radio telephone communication means into a portable terminal equipment. CONSTITUTION:In the internal part of a main body 1, a CPU 50, a ROM 51, a RAM 52, an input control part 53, a display control part 55, a display driver 56, a display 3', a MODEM 58, an NCU 59, a telephone circuit part 60 and a transmitter and receiver 61, etc., are mounted. These circuits are wholly arranged under the control of the CPU 50. For function as the portable terminal equipment, a program stored in the ROM 51 is readout by the command of the CPU 50 and the function is executed based on this program. Thus, the data communication with the host computer can be executed at real time in the moving destination.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a portable terminal device that performs data communication with a host computer.

[Conventional technology]

Conventionally, when this type of terminal device exchanged data (communication) with a host computer, it generally used a dedicated cable or a public telephone cable (line).

In addition, the conventional technology related to this type of data communication is as follows.
For example, JP-A-62-27853, JP-A-57-971
There are some disclosed in Publication No. 64 and the like.

[Problem to be solved by the invention]

However, with this method, the user must return to the host computer or go to the telephone and connect the terminal to the cable, which is inefficient. There is also a method of using low-output radio instead of the cable method, but the disadvantage is that the effective range of use is extremely narrow. On the other hand, public utilities and the transportation industry have established communication systems using frequencies in the 400 MHz band throughout the country, but in the future the use of such systems will depend on each region's frequency band. The problem is that lines are limited because of the need to allocate lines. Also, the same frequency is used nationwide.
Because it is limited to highly public uses such as tS and firefighting,
It is hoped that this will be used for general purposes such as data communication between computers and terminals.

The present invention has been made in view of the above points, and its purpose is to improve business efficiency by transmitting and receiving data to and from a host computer in real time at a moving destination.
Moreover, it is an object of the present invention to provide a portable terminal device that can easily systemize computer data wireless communication for general use over a wide range.

[Means to solve the problem]

The above object is to provide a portable terminal device having the function of performing data communication with a host computer, which includes a wireless telephone communication means for transmitting and receiving data to and from the host computer using a wireless telephone network in the main body of the terminal device. This can be achieved by providing

If the portable terminal device having such a configuration is further embodied, it will be as follows.

That is, as elements of a portable terminal device, a keyboard,
A data input means consisting of at least one such as a transparent touch panel, and an arithmetic processing means for arithmetic processing the input data;
The arithmetic processing means includes a means for storing data, a display means for displaying the results of arithmetic processing, a wireless telephone communication means for communicating data with a host computer using a wireless telephone network, and the arithmetic processing means: In addition to input data from the keyboard, transparent touch panel, etc., it has a function of processing input data sent from the host computer via the radio telephone communication means, and transmits the results of these processing processes to the radio telephone communication means. The settings are made so that the data can be sent to the host computer via the host computer.

[Effect]

According to the present invention having such a configuration, when data is input at the site (destination), the data input means of the portable terminal device, for example, the keyboard.

This is done by operating a transparent touch panel etc. on the spot.

Additionally, data from the host computer can be input to the portable terminal device via the wireless telephone communication means. The data input to the terminal device is transmitted to the host computer directly via the wireless telephone communication means or as a result of arithmetic processing at the terminal device.

As described above, by incorporating a wireless telephone communication means for data communication into a portable terminal device, data communication with a host computer can be performed in real time at a moving destination.

Furthermore, by using wireless telephone communication means, it is possible to establish a general computer data communication system that can be used by anyone in a wide range of areas without any problems.

〔Example〕

Embodiments of the present invention will be described based on the drawings.

FIG. 1 is an overall perspective view of a portable terminal device which is an embodiment of the present invention, FIGS. 2 and 3 show its functional display, and FIG.
The figure is a block circuit diagram of this embodiment.

In FIG. 1, 1 is the main body of the portable terminal device;
A transparent touch panel 2 is disposed in front of the screen.

The terminal device is operated by the user pressing the display portion of the touch panel 2 with a finger. The touch panel 2 is a liquid crystal display section 3
′ is placed on the plane.

The touch panel display 3' shown in FIG.
mode, and by selecting a desired item from this task selection display 3 and pressing the displayed item, the desired function operation can be performed.

For example, by pressing the data communication 4 display item from among the business selection display 3 items, the touch panel display changes to the data communication function display 5 mode as shown in FIG.

Furthermore, a rubber antenna 11 for a wireless telephone is attached to the upper surface of the exterior surface of the main body 1 of the terminal device by means of a screw-in jack 12. This antenna 11 is used only during data communication, and is protected by a protective cap 13 of the jack at other times.

On the side of the main body 1, there is a power switch 14. In addition to the buzzer 8, etc., the receiving part 31 is used as a normal voice telephone. A transmitting section '30 etc. is provided.

Next, the internal circuit configuration of the main body 1 will be explained based on FIG. 4.

Inside the main body 1, a CPU (central control unit) 50,
ROM (read-only memory)51. RAM (random read/write memory) 52. Input control section 53, display control section 55
2 display driver 562 display 3', modem 58. NCU
(Network control unit) 59, telephone circuit section 60. A transmitter/receiver 61 and the like are installed inside. These circuits require a total of 50 CPUs.
be under the control of

The function as a portable terminal device is performed by reading a program stored in the ROM 51 according to a command from the CPU 50 and based on the read program.

The RAM 52 is used as a memory for storing and displaying various data. Input information from the touch panel 2 is taken in via the input control section 53. The display data is displayed in the display control 55.
The image is displayed on the display 3' (liquid crystal display in this configuration) via the display driver 56. In addition, in this terminal device, the modem 58. NCU39. The transmitter/receiver 61 and the antenna 11 constitute a terminal of a wireless telephone network, and the setting is such that data can be transmitted and received with a host computer via this wireless telephone communication means. Furthermore, in addition to this computer communication, the telephone control circuit 60 can be used to switch between voice telephone functions.

Next, the operation of this embodiment will be explained.

The touch panel display 3' shown in FIG. 1 is the task selection display 3, as described above, and is displayed at the first operation after turning on the power switch. If, for example, the data communication 4 item is pressed from the business selection display 3, the data communication function display 5 shown in FIG. 2 will appear. Then, when data communication mode 7 is pressed to perform data communication, the modem 58°NCU39. The transceiver 61 is activated and automatically dials the preset telephone number of the host computer to connect and communicate with the host computer.

Communication is performed by interconnecting with subscriber telephone networks such as NTT.

That is, it uses network systems such as pagers and wireless telephones.

When the communication is completed, a buzzer 8 sounds to notify the user as shown in FIG.

Further, when communication is in progress, the contrast of the standby mode 9 display section in FIG. 2 changes alternately between black and white to inform the user. In other words, in terms of telephone, it means busy. In this case, when the standby mode 9 display section is pressed, the communication state up to that point is canceled and the standby mode is set, and after a certain period of time has passed, dialing is automatically performed again to start communication.

After all communication operations are completed, if the end mode 10 display section is pressed, the screen returns to the task selection display 3 in FIG.

With the above data communication mode, touch panel 2
The input data can be transmitted to the host computer directly or as a result of arithmetic processing by the CPU 50. It can also receive data from the host computer, and can also process the input data from the host computer and send it back to the host computer.

Next, the normal voice telephone function will be explained. This portable terminal also incorporates voice wireless telephone transmission and reception functions into the computer terminal device.

That is, from menu selection display 3 in FIG.
When the display section 5 is pressed, a telephone function display 16 appears as shown in FIG. The telephone function of this embodiment has a function of setting the telephone number of the other party in memory, and an example of this telephone number memory setting will be explained here. Numeric keypad display 17 in Figure 3
Enter the phone number of the person you want to memorize. Then, the input information is displayed on the telephone number display section 19 between the memory number 18 and the numeric keypad 17, and you can operate it while checking it. When inputting one telephone number is completed, press memory 20 and select one from memory numbers 18. For example, if you want to memorize 1, press 1 of memory number 18. Then, the telephone number input earlier is stored in the memory, and the memory confirmation LED 21 lights up to notify the user that the memory has been securely stored. After that, just repeat the above operating procedure and input the memory to memory number 18. This portable terminal device now also has a telephone directory function. Therefore, from now on, when calling a registered number, by touching only the 18th part of the memory number, the call can be made in the same way as one-touch dialing. After the line is connected, the receiver 31. It can be used in the same way as a normal telephone through the transmitter 30. Note that direct dialing from the numeric keypad 17 can be done by pressing the dial mode 23 in advance.

Next, the operation of the portable terminal in the telephone reception state will be explained. When a signal is received, the buzzer 8 emits a sound intermittently. After confirmation of reception, if this device is being used as a computer terminal, press the end key 22 to return to the task selection screen shown in Figure 1, and then touch the item on the telephone display 15 to switch the CPU
In response to the command 50, the device switches to telephone mode and starts operating as a telephone.

As described above, the wireless telephone function that uses computer data communication and voice telephone calls is to transmit and receive data via the antenna 11. In the case of a call, the telephone 60 is operated by the NCU 39, and in the case of data, the telephone 60 is operated by the modem. 58 is activated and the computer starts transmitting/receiving operations according to instructions from the CPU.

According to this embodiment, the following effects can be obtained.

(1) Data can be sent and received to and from a host computer via a wireless telephone, making it possible to process data in real time at a mobile location, dramatically improving business efficiency.

(2) Since the collected data can be immediately transmitted to the host computer, the data memory capacity is small and the cost is low.

(3) Since data communication control of the computer and voice communication control are performed by a shared CPU and memory, the configuration is simplified, making it small and lightweight and inexpensive.

(4) Since the display unit can also be used as a display unit, it is inexpensive.

〔Effect of the invention〕

As described above, according to the present invention, by incorporating a wireless telephone communication means into a portable terminal device, it is possible to improve business efficiency by transmitting and receiving data to and from a host computer in real time at a moving destination. The availability of telephone networks allows computer data wireless communications to be easily and widely systematized.

[Brief explanation of the drawing]

FIG. 1 is an overall perspective view of a portable terminal device which is an embodiment of the present invention, FIG. 2 is an explanatory diagram showing a computer data communication function display of the above embodiment, and FIG. 3 is a voice telephone function of the above embodiment. An explanatory diagram showing the display, FIG. 4 is a block circuit diagram of the above embodiment. 1... Main body of the portable terminal device, 2... Touch panel. 3'...Display means, 11.58, 59.61...Radio telephone communication means (antenna, modem, NCU, transceiver), ao, 31...Audio communication means (speaker, receiver)
, 50... Arithmetic processing means, 52... Data storage means, 6o... Voice telephone circuit. Car 1 Figure 2- Ward

Claims (1)

[Scope of Claims] 1. In a portable terminal device having a function of performing data communication with a host computer, the main body of the terminal device includes a wireless device for transmitting and receiving data with the host computer using a wireless telephone network. A portable terminal device characterized by being equipped with a telephone communication means. 2. A portable terminal device equipped with the function of performing data communication with a host computer, comprising data input means consisting of at least one of a keyboard, a transparent touch panel, etc., arithmetic processing means for processing input data, and data storage. display means for displaying the results of arithmetic processing; and wireless telephone communication means for performing data communication with the host computer using a wireless telephone network; In addition to the input data sent from the host computer via the wireless telephone communication means, it has a function of processing the input data sent from the host computer via the radio telephone communication means, and transmits the results of these processing processes to the host computer via the radio telephone communication means. A portable terminal device characterized in that it is configured to be able to send data to a computer. 3. The portable terminal device according to claim 1 or 2, wherein the wireless telephone communication means includes voice communication means.