JPS5933063Y2 - small electronic computer - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a compact electronic computer with improved operability during data input.

Conventionally, an operator operating a small computer has operated keyboard switches on an operation panel to feed printed slips and change key instructions.

The above-mentioned paper feeding operation was concentrated at the time when calculation tasks were to be completed, and the operator had to reach here and there to operate the operation panel.

Also, when entering the shift-out key code from the keyboard, you do not have to enter the shift-out key code by performing the three operations of operating the shift-out key, operating the desired key, and then operating the shift-in key. Must not be.

In view of the above-mentioned points, the present invention provides a compact electronic computer with improved input operability.

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is an external view showing an embodiment of the present invention.

In the figure, a keyboard 1 has character keys and instruction keys (for example, a paper feed key, a shift out key, etc.).

2 is 10 keys.

3 is a foot switch for instructing paper feed.

4 is a foot switch that instructs to shift out.

Reference numeral 5 is a lock switch which disables the operation when the foot switches 3 and 4 are operated carelessly.

6 is a printer.

FIG. 2 is a diagram showing the gist of the internal control circuit of the device shown in FIG. 1.

KI is the input section, keyboard 1 and 10 key 2 in Figure 1.
It is representative of

FI is a foot input section, which is connected to the foot switches 3 and 4 shown in FIG.
It is representative of

LS is an input blocking section, which is representative of the lock switch 5 shown in FIG.

OC is an OR circuit that sends key signals from the input section KI and foot input section FI to the next stage.

The CPU is a processing unit that decodes the key signal that has passed through the OR circuit OC according to the key capture control procedure contained in the control memo IJROM, and stores the information regarding the operation keys in the control memo IJROM.
Take it out from M and process it.

The processing unit CPU has a writable memory therein.

P is a printer, which is operated by a signal from a processing unit CPU.

The operation of the embodiment configured as described above will be explained.

At the end of one calculation task, the lock switch 5 is operated to enable the operation of the foot switches 3 and 4.

Next, instead of operating the paper feed key on the keyboard 1, the operator presses the foot switch 3 with his or her foot.

When the foot switch 3 is pressed, the foot input section FI outputs a signal, which goes to the processing section CPU via the OR circuit OC.

The processing unit CPU identifies that the pressed switch is the foot switch 3 according to the key capture control procedure in the control memory ROM, sequentially reads out the paper feed control procedure from the control memo IJROM, and applies the control procedure to the printer P. Then, it operates to feed the paper loaded in the printer P.

In addition, in operations where the operator manually operates the keys from keyboard 1, if the operator wants to enter a shift-out code after inputting a shift-in code, press the shift-out key on the keyboard. Instead of pressing down, the foot switch 4 is pressed down continuously by the operator's foot operation.

All keys pressed during this time become shift-out side codes.

When the press of the foot switch 4 is stopped, the original shift-in side code is returned again.

In this way, the foot-operated key switch is an alternative to manually operated keys, and input can be made from either the manual key operation or the foot switch, making input operations easier.

Further, since the foot switch is located at the foot of the operator and is out of the operator's field of vision, the lock switch 8 is configured to ignore input signals to prevent malfunction, but it is not necessary.

By using a small computer equipped with a foot-operated switch configured as described above, the operator can perform paper feeding operations without reaching out and can simplify the need for manual shift keys.

As explained above, this device is equipped with a foot-operated switch that has the same function as the key-in operation from the keyboard.
Both input from the foot switch can be used, which has the effect of improving key-in operability and streamlining key operations.

[Brief explanation of the drawing]

FIG. 1 is an overview diagram of a small computer according to an embodiment of the present invention, and FIG. 2 is a block diagram. 3.4... Foot switch, OC... OR circuit.

Claims (1)

[Claims for Utility Model Registration] A keyboard with a plurality of keys arranged, a foot switch for instructing a paper feed key, an instruction by operating the plurality of keys, and an instruction by operating the foot switch. A small electronic computer having means for transmitting the instructions to a processing unit that performs processing.