JPH05265902A - Terminal equipment - Google Patents

Abstract

PURPOSE:To attain a logical connection at the time of re-connecting a keyboard equipment with the other keyboard equipment even when the power source of a terminal control part is not applied again. CONSTITUTION:A keyboard equipment 3 is equipped with a reset request switch 36, and a reset request processing part 35 which outputs a reset command transmission request to a terminal control part 1l after the reset request switch 36 is pressed. And also, the terminal control part 1 is equipped with a reset request data processing part 15 which receives the reset command transmission request from the keyboard equipment 3, and shifts a processing to the processing just after the power source is applied. Thus, the logical re-connection can be instantaneously attained between the terminal control part 1 and the keyboard equipment 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal device, and more particularly, to a terminal device capable of processing both dedicated business peculiar to a system and general business calculation business.

[0002]

2. Description of the Related Art Generally, a terminal device is provided as a device that executes various processes. A keyboard device is an indispensable constituent element of this terminal device, and by pressing a keyboard on this keyboard device, it is possible to instruct processing of the terminal device or input data.

By the way, recently, many work-specific keyboard devices having a key layout suitable for the work of the person who uses the terminal device have been developed, and the person who uses the terminal device replaces the keyboard device depending on the work contents. The number of cases of operating terminal devices is increasing.

FIG. 3 is a block diagram showing an example of a conventional terminal device. The terminal device shown in FIG. 3 includes a terminal control unit 101 that executes various processes, a keyboard device 103, and
The signal cable 105 connects between them.
The terminal control unit 101 is provided with a keyboard control processing unit 111 that controls the keyboard device 103. The keyboard control processing unit 111 includes an initial processing unit 112 for initial setting when the power is turned on, a reception keyboard data processing unit 113 for processing received keyboard data, and a keyboard device 103 connected to the signal cable 105. It is composed of a transmission / reception processing unit 114 that transmits and receives signals. In addition, the keyboard device 103 includes a keystroke unit 131.
An initial processing unit 132, a keystroke key processing unit 133, and a transmission / reception processing unit 134.

The operation of such a terminal device will be described with reference to the flowchart of FIG. Note that FIG. 4A shows a processing flow of the terminal control unit, and FIG. 4B shows a processing flow of the keyboard device.

Terminal control unit 101 and keyboard device 103
Is turned on (steps S400, S50
0), the operation of these devices starts and the processing of the flowchart starts. First, the initial processing unit 11 in the terminal control unit 101
2 transmits a keyboard reset command to the keyboard device 103 through the transmission / reception unit 114 (step S401). When the keyboard device 103 receives the keyboard reset command through the transmission / reception processing unit 134 (step S501), the initial processing unit 132 transmits a keyboard unique number (ID) indicating the type of keyboard to the terminal control unit 1011 (step S50).
2). Upon receiving the keyboard ID from the keyboard device 103 (step S402), the initial processing unit 112 in the terminal control unit 101 performs a process of recognizing the type of the connected keyboard (step S403). As a result, the terminal control unit 101 and the keyboard device 103 are logically connected. After that, the keyboard device 10
When the third keystroke unit 131 is keyed, the keystroke key processing unit 133
Transmits the keystroke key data to the terminal control unit 101 (step S503), judges the keystroke data and is not the end key (step S504; N), and continues the keystroke and keystroke processing (steps S503 to S50).
4). When the keying data is determined and the key is the end key (step S504; Y), the process ends.

Further, the receiving keyboard data processing unit 113 in the terminal control unit 101 receives the keystroke key data from the keyboard device 103 (step S404), recognizes the keystroke key type (step S405), and when it is not the end key. (Step S406; N), keyboard data reception, and keystroke key recognition processing are executed (steps S404 to S406). However, when the recognition result is the end key (step S406; Y), the process ends.

[0008]

In the above-mentioned conventional terminal device, the logical connection procedure between the terminal control unit and the keyboard device is as follows. I
It is performed only by transmitting and receiving D. Therefore, when a person who uses the terminal device replaces a certain keyboard device with another type of keyboard device, the keyboard device after replacement does not operate simply by changing the connection. Therefore, there is a drawback in that it is necessary to turn off the power of the terminal control unit once and then turn it on again, and it takes a long time to replace the keyboard.

Therefore, an object of the present invention is to provide a terminal device which solves the above-mentioned drawbacks and shortens the time when reconnecting from a certain type of keyboard device to another type of keyboard device. ..

[0010]

In order to achieve this object, a terminal device of the present invention has a keyboard device for sending keying key data by hitting a keying part, and a keyboard control processing part for controlling the keyboard device. In the terminal device including the terminal control unit provided with, the keyboard device is
A first processing means capable of outputting a reset command transmission request is provided as necessary, and a keyboard control processing section is provided with a second processing means for shifting to processing immediately after power-on when receiving the reset command transmission request. It is characterized by that.

Further, the above-mentioned first processing means may be composed of a reset request switch provided at a predetermined portion and a reset request processing section for outputting a reset command transmission request when the reset request switch is pressed.

The second processing means described above includes a reset request data processing unit processing for receiving a reset command transmission request from the keyboard device and outputting a start signal, and a processing immediately after power-on upon receiving the start signal. It may be configured with an initial processing unit for shifting to.

The terminal device of the present invention outputs a reset command transmission request to the terminal control unit by pressing the reset request switch provided in the keyboard device, and the keyboard device outputs the reset command transmission request to the keyboard control processing unit in the terminal control unit. By accepting the reset command transmission request and shifting to the process immediately after the power is turned on, the terminal control unit and the keyboard device are logically and immediately connected.

[0014]

Next, the present invention will be described based on the illustrated embodiments.

FIG. 1 is a block diagram showing an embodiment of the terminal device of the present invention.

The terminal device shown in FIG. 1 comprises a terminal control unit 1 for executing various processes, a keyboard device 3, and a signal cable 5 connecting these components.

The terminal control unit 1 is provided with a keyboard control processing unit 11 for controlling the keyboard device 3. The keyboard control processing unit 11 includes an initial processing unit 12 that performs initial setting when the power is turned on, a reception keyboard data processing unit 13 that processes received keyboard data,
The transmission / reception processing unit 14 is connected to the signal cable 5 and transmits / receives signals to / from the keyboard device 3, and the reset request data processing unit 15. The reset request processing unit 15 is a circuit that receives a reset request from the keyboard device 3 and shifts the processing to the processing immediately after the power is turned on.

The keyboard device 3 includes a keying unit 31 including a keyboard and the like, an initial processing unit 32 that initializes all circuits when the power is turned on, and a predetermined signal when a key of the keying unit 31 is pressed. A keystroke key processing unit 33 for outputting
A transmission / reception processing unit 34 that transmits a signal to be sent to the terminal control device 1 or receives a signal sent from the terminal control device 1, a reset request processing unit 35 that outputs a reset request signal, and a reset request processing unit 35. And a reset request switch 36 for applying a reset request signal to the. The reset request switch 36 is a button switch attached to the keyboard device 3. The reset request processing unit 35 is a circuit that detects the pressing of the reset request switch 36 and issues a reset request to the terminal control unit 1.

The operation of this embodiment will be described with reference to FIG.
This will be described with reference to the flowchart in FIG. In addition, in FIG.
It is a flow chart for explaining an operation of the above-mentioned example, Drawing 2 (a) is for explaining operation of a terminal control part, and Drawing 2 (b) is for explaining operation of a keyboard device. 2C is a flow chart for explaining the operation when the reset request switch is pressed.

When the power of the terminal control unit 1 and the keyboard device 3 is turned on (step S100 in FIG. 2A, FIG.
In step S200 of (b), the operation of these devices starts and the processing of the flowchart starts. The initial processing unit 12 in the terminal control unit 1 transmits a keyboard reset command to the keyboard device 3 through the transmission / reception processing unit 14 (step S101). When the keyboard device 3 receives the keyboard reset command through the transmission / reception processing unit 34 (step S201), the initial processing unit 32 transmits the keyboard ID indicating the type of keyboard to the terminal control unit 1 (step S202). Upon receiving the keyboard ID from the keyboard device 3 (step S102), the initial processing part 12 in the terminal control part 1 performs a process of recognizing the type of the connected keyboard (step S103). As a result, the terminal control unit 1 and the keyboard device 3 are in a logically connected state.

After that, when the keyboard device 3 is pressed (step S203), the key pressing key processing section 33 transmits the key pressing key data to the terminal control section 1 (step S203).
The keystroke data is judged and it is not the end key (step S
504; N), the keystroke and the keystroke process are continued as they are (steps S203 and S204). If the keying data is judged to be the end key (step S204; Y),
The process ends.

The receiving keyboard data processing unit 13 in the terminal control unit 1 receives the keystroke key data from the keyboard device 3 (step S104) and recognizes the keystroke key type (step S105). Here, when the type of the keystroke key is keyboard data (step S105; Y), the reception keyboard data processing unit 13 performs the keystroke key recognition process (step S106). The receiving keyboard data processing unit 13 recognizes the type of keystroke key (step S106), and when the result is not the end key (step S107; N), keyboard data reception and keystroke key recognition processing are executed (steps S104 to S104).
107). However, when the result recognized by the reception keyboard data processing unit 13 is the end key (step S107; Y), the process of the flowchart ends.

On the other hand, for example, when a certain type of keyboard device has been connected to the terminal control unit 1 until now, the keyboard device is disconnected and another type of keyboard device 3 is connected.
The case where the connection is changed to the terminal control unit 1 will be described.

In this case, when the reset request switch 36 provided on the keyboard device 3 is pressed after the keyboard device 3 is connected to the terminal control unit 1 via the signal cable 5 (step S300), the reset request processing unit 35 is activated. Operate. As a result, the reset request processing unit 35 transmits a keyboard reset command transmission request to the terminal control unit 1 (step S301), and shifts to the keyboard reset command reception process immediately after power-on (step S201). Then, when the reset request data processing unit 15 in the terminal control unit 1 receives the keyboard reset command transmission request from the keyboard device 3 (steps S104, S105; N), it transfers control to the initial processing unit 12. The initial processing unit 12 is the same as when the power is turned on.
A keyboard reset command is transmitted to the keyboard device 3 (step S101), and then the keyboard device 3
And the terminal control unit 1 perform the same logical connection procedure as when the power is turned on (steps S101 to S10).
3, steps S201 to 202).

After the connection process is completed, a normal keystroke key process is executed (steps S104 to S10).
7, steps S203 to S204).

In this way, by providing the reset request data processing unit 15 in the terminal control unit 1 and further providing the reset request switch 36 and the reset request processing unit 35 in the keyboard device 3, the terminal control unit 1 and Even if the keyboard device 3 is physically connected to another keyboard device while the keyboard device 3 is logically connected, pressing the reset request switch 36 does not require turning the power on again. , Terminal control unit 1 and keyboard device 3
And can be logically reconnected.

[0027]

As described above, according to the terminal device of the present invention, even if the keyboard device is replaced with another type of keyboard device, logical connection is made without turning on the power of the terminal control unit again. Therefore, the keyboard device can be replaced instantly.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention.

FIG. 2 is a flow chart for explaining the operation of the embodiment.

FIG. 3 is a block diagram showing a conventional terminal device.

FIG. 4 is a flowchart for explaining the operation of the conventional device.

[Explanation of symbols]

 1 Terminal Control Section 3 Keyboard Device 5 Signal Cable 11 Keyboard Control Processing Section 12 Initial Processing Section 13 Received Keyboard Data Processing Section 14 Transmission / Reception Processing Section 15 Reset Request Data Processing Section 31 Keystroke Section 32 Initial Processing Section 33 Keystroke Key Processing Section 34 Transmission / Reception Processing Part 35 Reset request processing part 36 Reset request switch

Claims (3)

[Claims] 1. A terminal device comprising a keyboard device for sending keystroke key data by hitting a keystroke part, and a terminal control part provided with a keyboard control processing part for controlling the keyboard device, wherein the keyboard device is: A first processing unit capable of outputting a reset command transmission request is provided as necessary, and the keyboard control processing unit includes a second processing unit that shifts to a process immediately after power-on when the reset command transmission request is received. A terminal device characterized by being provided. 2. The first processing means comprises a reset request switch provided at a predetermined portion, and a reset request processing section for outputting a reset command transmission request when the reset request switch is pressed. Claim 1
The terminal device described. 3. The second processing means performs a reset request data processing unit process for receiving a reset command transmission request from the keyboard device and outputting a start signal, and a process immediately after power-on upon receiving the start signal. The terminal device according to claim 1, comprising an initial processing unit to be transferred.