JPH05250952A - Operation keyboard - Google Patents

Abstract

PURPOSE:To eliminate need of a special program process by providing a key up/down motion stroke limiting device so as to set a general keyboard for forming program in a data input device to be usable for a keyboard for an operation table at the site. CONSTITUTION:For a key 2a requiring a key input, a stopper pin 6, as a component member of a key 2 up/down motion stroke limiting device 5, corresponding to the key 2a is operated on the back surface of an operation keyboard main body 1 to be threaded and returned to a bottom surface 7a of a guide 7 to be fixed. Contact of the key 2a with the pin 6 is thus eliminated, and an up/ down motion stroke in manual operation can be secured for the key 2a, so key input to a data input device becomes possible. For a key 2b for which key input is not required, the corresponding pin 6 is screwed into the guide 7 to be fixed at a position where it is in contact with the key 2b constantly, and key input to the data input device becomes impossible. A general-use keyboard for forming a program in the data input device can thus become usable for an operation table at the site.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a computer device,
Also, the present invention relates to a manual input operation keyboard for performing a key input to a data input device of a field console.

[0002]

2. Description of the Related Art As a typical keyboard of a conventional manual input operation keyboard, a general operation keyboard attached to a computer device and a keyboard for a site operation console are separately prepared, or the general operation keyboard is as shown in FIG. In addition, a protective cover is attached and modified, or a process of selecting an input key is performed by a program process of a data input device as shown in the flowchart of FIG. In FIG. 3, 1 is an operation keyboard body, 2 is a large number of keys on the operation keyboard, 2a that moves up and down with a constant stroke is a key required for a site console, 2b is a key required for the site console, and 3 is A printed circuit board having a contact for fixing the key 2 and opening and closing by the vertical movement of the key 2 is a spring for returning the depressed key 2 to the upper direction, and 10 is a key 2b unnecessary for field operation.
Is fixed to the operation keyboard body 1 by modifying the operation keyboard body 1 with a protective cover that covers the above. The flowchart of FIG. 4 is a procedure for selecting an input key in a program process of a conventional data input device (not shown).

Next, the operation will be described. In FIG. 3, of the keys 2 of the operation keyboard, the keys 2b unnecessary on the site console are protected by the protection bar 10 of the keys 2b to prevent human hands from touching them during manual operation.
Prevent erroneous input of b. In FIG. 4, step 101
When a specific key 2 is input, a data input device (not shown) takes in a key code corresponding to the specific key 2 (step 102), and the key 2a necessary for the operation console in the data input device. If so (step 103), the key code is fetched as input data (step 10).
4). If the key 2b is unnecessary, some kind of error is displayed and the key input data is invalidated (step 10).
5).

[0004]

Since the conventional device is constructed as described above, two types of keyboards for creating a program for the data input device and a keyboard for the site console are prepared, or for creating a program. If a protective cover to prevent erroneous input of unnecessary keys on the keyboard is created according to the field operation specifications, or if the keys are selected by the program of the data input device, a means to determine that the input is an error is made. The display means for notifying an erroneous input makes the processing of the program complicated, and the load of the complicated processing reduces the response speed at the time of manual operation.

The present invention has been made to solve the above problems, and a general-purpose keyboard for creating a program for a data input device and a keyboard for a site console can be used together as a single unit, and a special data input device can be used. The purpose is to obtain an operation keyboard that does not require program processing.

[0006]

An operation keyboard according to the present invention has a plurality of keys on the lower part of the keys of the operation keyboard.
It is provided with a device for limiting a vertical stroke of a key that can be operated from the back surface of the operation keyboard.

[0007]

According to the present invention, the means for restricting the vertical movement stroke of the key which can be operated from the rear surface of the operation keyboard is the vertical movement stroke restriction device for the keys below the keys provided in the operation keyboard. Stopping the lowering operation prevents unnecessary erroneous key input.

[0008]

【Example】

Example 1. An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 is an operation keyboard body, 2, 2
Reference characters a and 2b are a large number of keys on the operation keyboard body 1, which move up and down with a constant stroke. 3 is a printed circuit board which has a contact for fixing the key 2 and which opens and closes when the key 2 moves up and down, 4 a spring for returning the depressed key 2 to the upper direction, and 5 a vertical stroke limiting device for the key 2. It exists for each key. Reference numeral 6 is a component of the upper and lower straw limiting devices, and a screw-shaped stopper pin, and 7 is a guide for fixing the stopper pin 6, which is integrated with the operation keyboard body.

Of the keys 2, a key 2a that requires key input
In contrast, by operating the stopper pin 6 corresponding to the key 2a from the rear surface of the operation keyboard body 1 and screwing it back to the lower surface 7a of the guide 7, there is no contact between the key 2a and the stopper pin 6, Since 2a secures the vertical movement stroke during manual operation, key input to the data input device is possible. For the key 2b of the key 2 that does not require key input, the stopper pin 6 corresponding to the key 2b is screwed into the guide 7 and fixed at a position where it is in constant contact with the key 2b. Since the pressing stroke at the time of manual operation is lost, key input to the data input device becomes impossible. Further, since the key 2b is not depressed, it is easy to determine whether the key is valid or invalid.

Embodiment 2. Hereinafter, various embodiments of the present invention will be described with reference to the drawings. In FIG. 2, numeral 8 is a key 2 for separating the key 2 and the printed circuit board 3 with a certain force or more.
The taper bush 9 attached to the lower end of the key is composed of a stroke limiting component that can be inserted by pulling out the key 2 upward. For the key 2b of the keys 2 which does not require key input, the key 26 is once pulled out above the surface of the operation keyboard main body 1 and the stroke limiting component is inserted to push down the key 2b during manual operation. Since the stroke is lost, key input to the data input device becomes impossible.

[0011]

As described above, according to the present invention, the general-purpose operation keyboard for program creation of the data input device is provided with the vertical stroke limiting device of the key, so that the general-purpose keyboard for program creation of the data input device is used in the field. It can also be used as a console, and it is possible to reliably prevent erroneous input of keys, and since there is no need for program processing to prevent erroneous input of the data input device, it is possible to reduce the processing load of the data input device. is there.

[Brief description of drawings]

FIG. 1 is a sectional side view showing an operation keyboard according to an embodiment of the present invention.

FIG. 2 is a sectional side view of an operation keyboard showing another embodiment of the present invention.

FIG. 3 is a sectional view of a protective cover showing a conventional operation keyboard.

FIG. 4 is a flowchart showing a processing procedure of an input key selection program of a data input device in a conventional operation keyboard.

[Explanation of symbols]

 1 Operation keyboard body 2 Keys 3 Printed circuit board 4 Spring 5 Vertical stroke limiting device 6 Stopper pin 7 Guide 8 Tapered bush 9 Stroke limiting component 10 Protective cover

Claims (1)

[Claims] 1. An operating keyboard for manual input for inputting to a data input device, comprising an upper and lower movement stroke limiting means of a key that can be operated from the back side, below a large number of keys of the operating keyboard.