JPH05289796A - Key input processor - Google Patents

Abstract

PURPOSE:To execute a key display by which to what state a key switch state is varied can be known by selecting a key. CONSTITUTION:Input information is converted to a key code by an input part 30, and given to a key display control part 31, a state writing part 32, and a word reading-out part 33, respectively. The key display control part 31 displays and erases a key display against a display 2. The state writing part 32 rewrites a state of the corresponding key code of a state storage part 4 in order to switch a switch state of the key code given from the input part 30 to the next state. The word reading-out part 33 uses the key code given from the input part 30 and the switch state of its key code as keys, and retrieves and reads out a state display word from a word storage part 5. The read-out state display word is given to a word display part 34 together with the key code. The word display part 34 displays the state display word read out by the word reading-out part 33 by superposing it on a place on which the key display is executed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a key input processing device, and more particularly to a key input processing device for displaying keys on a display device.

[0002]

2. Description of the Related Art Recently, a key input processing device has a combination of an input unit such as a touch panel and a display device to display the shape of the key on the display device, or to display only a selected range of the key. Often used are those which have a key display such as an item and can be key-inputted by selecting the key display.

A conventional key input processing device will be described with reference to the drawings.

FIG. 6 is a block diagram showing an example of a conventional key input processing device.

In FIG. 6, a conventional key input processing device comprises a touch panel 1 for selecting a key, a display 2 for displaying a key display, and a control section 3 for controlling,
Further, the control unit 3 includes an input unit 30 for generating a key code by selecting a key and a key display unit 31 for displaying or erasing the key display. FIG. 7 shows a flowchart of a key input display method in a conventional key input processing device.

Next, the operation of the conventional key input processing is shown in FIG.
This will be described with reference to FIG.

(S21) A key code is generated by the input unit 30 for the key selected on the touch panel 1.

(S22) The key display portion 31 erases the key display of the selected key code.

(S23) A fixed time interval is set.

(S24) The key display section 31 displays the key display erased in S22.

Therefore, with this conventional key input processing device, when a key is selected, the key display flashes once to identify the selected key. When a key is selected, the key display is erased for a certain period of time, and the selected key can be known by changing the back color of the key display.

[0012]

In the above-mentioned conventional key input processing device, the fact that the key has been selected is indicated by blinking or a change in the back color. There is a problem that I do not know whether it has changed to a normal state.

The object of the present invention is to solve the above drawbacks,
(EN) It is possible to provide a key input processing device in which it is possible to know what state the switch state has changed by selecting a key.

[0014]

A key input processing device of the present invention is a key input device having a display unit for displaying keys, and a state storage unit for storing a switch state of a key for inputting information in the input unit. A word storage unit that stores a state display word to be displayed according to a key code of an input key and a switch state; an input code generating unit that generates a key code by selecting the input key; State rewriting means for rewriting the switch state of the key by the key code of the key, word reading means for reading out the state display word by the key code of the input key and the switch state of the key, and the state display word on the display section. And a word display means for displaying.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described with reference to the drawings.

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

In FIG. 1, the input unit 1 inputs input information to the control unit 3 using a touch panel. The output unit 2 displays the display information on the display. The control unit 3 is composed of a microprocessor and performs data processing described later according to a control program written in a memory (not shown).

Next, the processing function of this embodiment will be described.

The input information is converted into a key code by the input unit 30 and given to the key display control unit 31, the state writing unit 32, and the word reading unit 33, respectively. Key display control unit 31
Displays and erases the key display on the display 2. The state writing unit 32 switches the switch state of the key code given from the input unit 30 to the next state. The word reading unit 33 uses the key code given from the input unit 30 and the switch state of the key code as keys to retrieve and read the state display word from the word storage unit 5. The read status display word is displayed together with the key code in the word display unit 34.
Given to. The word display unit 34 displays the state display word read by the word reading unit 33 so as to be superimposed on the place where the key display is displayed.

FIG. 2 is a diagram showing an example of the storage format and contents of the state storage section in this embodiment.

In FIG. 2, the first line shows the format, which is composed of a key code and a portion for storing the state. The key code is associated with all displayed keys and registered in the state storage unit 4. It is assumed that the state is the switch state of the corresponding key code, and in the case of FIG. 3, there are two states, A and B.

FIG. 3 is a diagram showing an example of the storage format and storage contents of the word storage unit in this embodiment.

In FIG. 3, the first line shows the format, which is composed of a key code, a state, and a portion for storing a state display word. All combinations of key codes and states are registered in the word storage unit 5, and a state display word is assigned to each combination and stored.

FIG. 4 is a flow chart showing a key display processing procedure in this embodiment, and FIG. 5 is a diagram showing an example of key display in this embodiment.

Next, the display processing operation of this embodiment will be described with reference to FIGS.

It is now assumed that the display 2 displays the key display of "pause" shown in FIG. 5 (a). The key code of this displayed key is "0.
1 ", the memory state of the state storage unit 4 in this state is shown in FIG.
It is the state of. If the key display of FIG. 5A is selected (S1), the key code "01" generated by the input unit 30 is given to the key display control unit 31, and the key display currently displayed is erased. (S2). ((B) of FIG. 5). Next, the state writing unit 32 rewrites the state of the key code "01" in the state storage unit 4 to the next state "B". Then, the word reading section 33 causes the key code "0
Switch state "B" when 1 "and key code" 01 "
Then, the status display word is searched and read from the word storage unit 5.
According to the stored contents of FIG. 3, the status display word'in operation 'is read from the key code “01” and the status “B” (S
4). After that, a certain time interval is set (S5). After a certain period of time, the key display control section 31 displays the key display at the previously deleted location (S6). ((C) of FIG. 5). Then, the word display unit 34 displays the state display word read by the word reading unit 33 so as to overlap the key display (S7). Then, the key display is changed as shown in FIG. 5B, and it can be seen that the state is changed.

In the above description, the switch states A and B were considered in the present embodiment, but the present invention is not limited to this, and it is possible to sequentially change two or more states by key selection. Similar effects can be obtained, and the object of the present invention can be achieved.

[0028]

As described above, according to the present invention, in a key input processing device having a display section for displaying keys, a state storage section for storing a switch state of a key for inputting information in the input section is input. A word storage unit that stores a state display word to be displayed according to the key code of the key and the switch state, an input code generation unit that generates a key code by selecting the input key, and a key code of the input key State rewriting means for rewriting the switch state of the key by means of, word reading means for reading out the state display word by the key code of the input key and the switch state of the key, and word display means for displaying the state display word on the display section. Equipped with
Based on the key code obtained from the input code generating means and the switch state of the key, the status display word is searched and read from the word storage section, and the read status display word is displayed on the display section by being superimposed on the display position of the key display. By doing so, there is an effect that it is possible to know what state the switch state of the key has changed by selecting the key.

[Brief description of drawings]

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

FIG. 2 is a diagram showing an example of a storage format and storage contents of a state storage unit in the present embodiment.

FIG. 3 is a diagram showing an example of a storage format and storage contents of a word storage unit in the present embodiment.

FIG. 4 is a flowchart showing a display processing procedure in the present embodiment.

FIG. 5 is a diagram showing an example of key display in the present embodiment.

FIG. 6 is a block diagram showing an example of a conventional key input processing device.

FIG. 7 is a flowchart showing a key display processing procedure in a conventional key input processing device.

[Explanation of symbols]

 1 Touch Panel 2 Display 3, 3a Control Section 4 State Storage Section 5 Word Storage Section 30, 3a Input Code Generation Section 31, 31a Key Display Control Section 32 State Writing Section 33 Word Reading Section 34 Word Display Section

Claims (1)

[Claims] 1. A key input processing device comprising a display unit for displaying keys, a state storage unit storing a switch state of a key for inputting information in the input unit, a key code of the input key and a switch state. The word storage unit that stores the status display word to be displayed by, the input code generating means that generates a key code by selecting the input key, and the switch state of the key is written by the key code of the input key. The state rewriting means for changing, the word reading means for reading out the state display word by the key code of the input key and the switch state of the key, and the word display means for displaying the state display word on the display unit, A state display word is searched and read from the word storage section according to the key code obtained from the input code generating means and the switch state of the key, and the word is displayed. The key input processing device, wherein the read status display word of is displayed on the display unit in a superimposed manner on the display position of the key display.