JP3001075B2 - Terminal input device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pushbutton switch having a display function, and more particularly to a terminal input device having a data conversion circuit for easily creating and transferring display data to be displayed on the upper surface of the pushbutton switch.

[0002]

2. Description of the Related Art Conventionally, a push button with a display function of a terminal input device has been used.
When the display contents are displayed on a button switch or the like, it is necessary to create display data and control data using the computer 1 and the dedicated editor software 2 as shown in FIG .
Then, the display data and the control data are transferred from the computer 1 to the dedicated control unit 5 equipped with the IC memory card 4 by the dedicated control code protocol 3, and the display data and the control data are written on the IC memory card 4. The control unit 5 can be used by disconnecting it from the computer 1 and connecting it to a PLC or a microcomputer 6 or the like. In operation, the push button switch 7 with a display function according to the application program is operated. A control command dedicated to the control unit 5 is sent from the PLC or the microcomputer 6 and controlled.

[0003]

However, in creating the display data of the push button switch with the display function described above, the dedicated editor software 2 is required, and the dedicated editor software 2 is also required to transfer the display data. The control code 3 and the control unit 5 were required. Also,
Above all, for actual use, it was necessary to create an application program and a program for controlling the pushbutton switch with display function 7 in accordance with the application program. The application program and the control program had to run completely in parallel, and the creation and debugging of the application program had to be very difficult. In addition, it is necessary to understand and use the software and devices specific to the pushbutton switch 7 with a display function, and there is a disadvantage that much time is spent for the operation. An object of the present invention is to solve the above problems and to provide a terminal input device provided with a display device that can easily create display data.

[0004]

The present invention SUMMARY OF] In order to achieve the above object, connected with the display cable and keyboard cable to the computer, little of the computer
The display unit and the display that phrase also display some
Providing a display data conversion circuit a to display data;
Plurality arranged display function pushbutton switch deployed control unit in the button with the upper surface of the button provided with a display unit, a key contact of the display function pushbutton switch
A point key specific key code generation circuit;
A plurality of display functions for displaying at least a part of the CRT screen of the
For split display on the display of
And a switch display data conversion circuit b . In addition, the display blanking period outside the display area of the display
An internal program relating to the display in the computer in between
To control the backlight by providing a backlight to the push-button switch with display function, and controlling the backlight using a part of the display data. Is provided.

[0005]

According to the present invention, normal display data from the computer 11 can be received, converted by the data conversion circuit a19 and displayed on the display 17, and a part of the CRT screen 12 of the computer 11 or blanking can be performed. the data conversion circuit b20 data outputted during, Turkey direct to display to transfer data to a display function push-button switch 18
Can be. Further, it is also possible to control the backlight of the push button switch with display function 18 using a part of the data . In addition, a push button switch with each display function
Since a specific key code is assigned to the switch 18,
Display function key code of computer 11
Directly assign to the display of the pushbutton switch 18
It becomes easy and can simultaneously make write Mukoto part or the blanking period of the data area display function display data push button switch and the backlight control data of the CRT screen 12 during the creation of the overall system program
To significantly reduce the number of programming steps.
Can be.

[0006]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a block diagram showing a configuration of a terminal input device of the present invention, FIG. 2 is a cross-sectional view of a main part showing a push button switch with a display function of the terminal input device, and FIG. 3 is a system configuration diagram showing a use state of the present invention. It is.

In these figures, FIG. 1 is a block diagram showing a circuit configuration of a terminal input device of the present invention. In a main body 16 of the terminal input device, normal display data from a computer 11 and a normal display area are provided. A data conversion circuit a19 for receiving display data created by operating an internal program related to display in a computer during an external display blanking period and converting the display data into display data on a display 17 provided on the upper surface of a main body 16 of the terminal input device; When a data conversion circuit b20 for directly transferring and displaying data is connected to the pushbutton switch 18 having a display function and the LED backlight is provided for the pushbutton switch 18 having a display function, a backlight control for controlling the LED backlight is provided. The circuit 22 is connected. Further, a key code generating circuit 21 for converting key contact data of the push button switch 18 with a display function into a specific code is provided and connected to the computer 11. For example, the upper left 1/4 or all data of the CRT screen 12 of the computer 11 is received and displayed on the display 17 of the terminal input device.
The display data of the push button switch 18 with a display function for displaying 24 lines from the 375th line at the bottom of the CRT screen 12
The 400th line is received as control data of the LED backlight of the push button switch 18 with the display function, and is displayed on the upper surface of the button of the push button switch 18 with the display function, and the push button switch 18 with the display function is displayed.
Can be assigned to the function keys f1 to f10 of the keyboard 13 of the computer 11 and the key codes of the arrow keys and output.

The push-button switch 18 with a display function used in this terminal input device comprises a switch body 31 and a button 32 as shown in FIG.
A liquid crystal plate 34 is disposed on the back surface of the display unit 33. A connector 37 for connecting between circuit patterns of a printed circuit board 35, which will be described later, is provided in front and rear of the holder 38 in contact with the lower surface of the liquid crystal plate 34 near the front and rear ends. It is provided with a long hole. A diffuser plate 39 is accommodated in a predetermined space of a holder 38 between the two connectors 37 disposed before and after the light emitting device. The bodies 40, 41 are provided. Also, the holder 38
A printed circuit board 35 is provided below the IC chip, and an IC chip (not shown) is mounted on the upper surface of the printed circuit board 35.
The circuit patterns are electrically connected by through holes, and a flexible printed wiring board 43 is connected to the lower surface of the printed circuit board. The flexible printed wiring board 43 has a mounting hole for fixing and a through hole for loosely fitting a shaft 45 projecting below the plunger 44. Further, since the plunger 44 is elastically fitted in the space of the button 32, the part from the liquid crystal plate 34 to the plunger 44 is stored in the button 32. Switch body 31
Has a recess for accommodating the connector 46, and the flexible printed wiring board 4
3 is connected to one end. Further, a contact mechanism is provided in the switch main body 31, and the terminal 50 protrudes from the lower surface. Further, an operating shaft 48 for driving the contact of the contact mechanism is housed, and a shaft 45 projecting below the plunger 44 and the operating shaft 48 are connected so as to be able to transmit an operating force. With the above configuration, power is supplied to the printed circuit board 35 from the terminal 49 of the connector via the flexible printed wiring board 43, and power is further supplied to the liquid crystal panel 34 via the IC chip, the light emitters 40 and 41 and the connector 37. Is done. In the embodiment of the present invention, the push button switch with the display function using the liquid crystal plate has been described, but it is also possible to use a display such as an LED or an EL plate.

FIG. 3 is a system configuration diagram showing a use state of the present invention. A display 17 and a plurality of push button switches 1 having display functions are provided on the upper surface of a main body 16 of the terminal input device.
A data conversion circuit a19 for receiving display data from the computer 11 in the main body 16 and converting the display data into display data on a display 17 provided on the upper surface of the terminal input device, and a push button with a display function from the computer 11. When a data conversion circuit b20 for directly transferring and displaying the data is connected to the switch 18, and a pushbutton switch 18 with a display function is provided with an LED backlight, a backlight control circuit 22 for controlling the LED backlight is connected. I have. Further, a key code generation circuit 21 for converting key contact data of the push button switch 18 with a display function into a specific code is provided. This input terminal device is connected to the computer 11 via the display cable 14 and the keyboard cable 15 so that display data can be created and transferred. In addition, since the terminal input device of the present invention can be operated, a keyboard or a CRT screen on the computer side may not be provided. Further, when a pushbutton switch with a display function in which a signal LED is provided around the display section of the button is used, it is possible to control the signal LED. The present invention is not limited to the above embodiments, and various modifications are possible based on the gist of the present invention.
They are not excluded from the scope of the invention.

[0010]

As described above, according to the present invention, the following effects can be obtained. (1) A display and a plurality of pushbutton switches with a display function are provided, and a data conversion circuit a for converting display data on a CRT screen of a computer into display data on a display unit and conversion into display data of a pushbutton switch with a display function. Since the terminal input device is provided by a data conversion circuit b and a key code generation circuit for converting key contact data of a push button switch with a display function into a specific key code, the terminal input device of the present invention is simply connected to a computer. Since data can be created and transferred, a terminal input device with extremely high operability can be provided without requiring dedicated hardware or software. (2) By simply connecting the terminal input device of the present invention configured as described above to a computer, it is possible to create display data of a push button switch with a display function and control data of an LED backlight, while monitoring while passing the creation. There is an effect that the operation can be confirmed. (3) connecting the terminal input device of the present invention to a computer,
If the function key codes of the computer are assigned as a specific key code, the display data for the push button switch with the display function and the backlight control data are provided in a part of the CRT screen or in the data area of the blanking period when the program of the entire system is created. At the same time, the whole program can be operated with the function keys, and the whole system and the pushbutton switch with the display function can be controlled by one program. (4) Display cable and keyboard on computer
Computer display on the terminal input device connected with
A display unit for displaying at least a part of the display contents;
Conversion of display data to display data
A road a is provided, and a display section is provided on the upper surface of the button.
Pushbuttons with display function that has a control unit in the button
Switch with a display function.
Key generation circuit for key contact data
At least a part of the CRT screen of the computer is
Split display on push-button switch display with number display function
And a switch display data conversion circuit b for performing
Therefore, a very versatile terminal input applied to various applications
A force device can be provided.

[Brief description of the drawings]

FIG. 1 is a block diagram of a terminal input device of the present invention.

FIG. 2 is a sectional view of a main part of a push button switch with a display function of the terminal input device of the present invention.

FIG. 3 is a system configuration diagram showing a use state of the present invention.

FIG. 4 is a configuration diagram of a conventional system.

[Explanation of symbols]

 Reference Signs List 11 computer 12 CRT screen 13 keyboard 14 display cable 15 keyboard cable 16 main body 17 display 18 push button switch with display function 19 data conversion circuit a 20 data conversion circuit b 21 key code generation circuit 22 backlight control circuit 31 switch body 32 button 33 Display unit 34 Liquid crystal board 35 Printed circuit board 37 Connector 38 Holder 39 Diffusion plate 40, 41 Light emitter 43 Flexible printed wiring board 44 Plunger 45 Axis 46 Connector 48 Operation axis

──────────────────────────────────────────────────の Continuation of the front page (51) Int.Cl. ⁷ identification code FI H03M 11/22 (58) Investigated field (Int.Cl. ⁷ , DB name) G06F 3/02 390 G06F 3/02 310 G06F 3 / 023 G06F 3/153 330

Claims (2)

(57) [Claims] 1. A Connect the display cable and keyboard cable to the computer, the display portion and 該De for displaying at least a portion of the display content of the computer
Display data conversion circuit for display data
provided a, plurality arranged display function pushbutton switch deployed control unit in the button with the upper surface of the button provided with a display unit, the display function push Botansui'
A specific key code generation circuit for the key contact data of the
At least a part of the CRT screen of the computer
The push button switch with the display function of
And a switch display data conversion circuit b for
A terminal input device characterized by the following . 2. Display outside the display area of said display
Display on the computer during the blanking period
Display data can be created and transmitted by operating the internal program
And a backlight control circuit for controlling the backlight by using a part of the display data .
2. The terminal input device according to claim 1, wherein: