JPS62114024A - Key input device - Google Patents

Abstract

PURPOSE:To improve the operability of a key input device for making one input key have plural functions, by making a reset condition to a usual input function different in accordance with a kind of the input key. CONSTITUTION:Among input keys of a keyboard part 10, the input key which is used in a shift state is divided into two kinds by the use frequency of the second function of its key. As for the input key in which the use frequency of the second function is low, when it is used once by the second function, it is reset automatically to a usual input state from the next time. As for the input key in which the use frequency of the second function is high, even if it is used by the second function many times, it remains in a shift state, and in order to release it, it is added to a condition that other key than the input key of this kind is operated. In this way, the operability of a key input device for making one input key have plural functions can be improved to match the use frequency of each key.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a key input device that uses one key for two or more input functions. It is intended to vary depending on the type.

[Conventional technology]

In electronic desk calculators, computer keyboards, radio control units, and the like, it is common to multiplex the input functions of each key in order to use limited space effectively. For example, in the conventional keyboard shown in FIG. 5, each of the plurality of input keys 1 has A+ and B+ as normal input functions (referred to as first functions).

C+, . B2. C2, . . . The current mode is displayed, for example, on a part of the display unit 3 (rsHI FTJ).
.

[Problem that the invention seeks to solve]

By the way, there are many systems in which the shift state is automatically canceled by pressing shift key 2 and then pressing any input key 1, but in this case, the second function is changed to A2. A2.
A2. ...or A2. B2゜C2,...
It is inconvenient that the number of key operations increases because it is necessary to press the shift key each time when using the key repeatedly.

So, if you press shift key 2 once, shift key 2 again.
A method is also being considered in which the shift state continues until the shift is stopped. However, if all the input keys become like this, when the input key is used for the second function, it will take 3 times to return from that setting.
This is also inconvenient as it requires multiple key operations (shift key twice, large key once).

The present invention attempts to resolve such contradictions.

[Means for solving problems]

The present invention provides a plurality of input keys each having an independent normal input function, a shift key that switches the input key to another function different from the normal input function, and a shift key that is pressed among the plurality of input keys. A first input key that switches to the other function only once after the shift key is pressed, and a second input key that switches to the other function from the time the shift key is pressed until the shift key or the first input key is pressed. The present invention is characterized by comprising a key input processing section that distinguishes between the two.

[Effect]

As shown in FIG. 1, in a system consisting of a keyboard section 10, a display section 20, a microcomputer section 30, and a controlled object 40, the microcomputer section 30 processes key input from the keyboard section 10 and controls display on the display section 20. , and further includes various control programs for the controlled object 40, but key input processing will mainly be explained below.

In the present invention, among the input keys of the keyboard unit 10, the input keys used in the shift state are classified into two types, and for example, regarding input keys that are used infrequently for the second function, once used for the second function, the input keys are However, the input keys that are frequently used for the second function remain in the shifted state no matter how many times they are used for the second function, and this type of input is required to release them. Add the condition of operating a key other than the key. In this way, the contradiction between the two conventional methods can be resolved.

〔Example〕

FIG. 2 is a block diagram showing an embodiment of the present invention, in which the controlled object 40 is a radio transceiver section.

The microcomputer 30 is a CPU (central processing unit)
31, a ROM (read-only memory) 32 storing various programs, a RAM (random access memory) 33 for data storage, and an interface circuit 34 used for connection with input/output devices.

Figure 3 is the back) Kuwa Sakubu (keyboard section) 10 and LC
FIG. 3 is a front view of the D display section 20. FIG. The operation unit 10 has six input keys 11 to 13 and one shift key 14. Of these, CH, UP and CH, DOWN are 16 channels (CH) in the up (UP) direction or down (DOWN) direction.
) is an input key 11 for selecting the direction. Similarly 5CAN
is scan, S QUEL CH is squelch, M
ONITOR is each input key 12 of the monitor. however,
These are the first functions, and those displayed above each input key are the second functions. For example, VOI7. UP is the volume amplifier, VOL, and "DOWN" is the volume down.

Similarly, PROGRAM is a program, LOW POW
OR is low power and HIGHPOWER is high power. P
There are also input keys 13 that have only the first function, such as RIORITY. This key can also be treated as a type of large key 12 whose second function is empty.

The input keys 11 and 12 are multi-function input keys, but in this example, the input key 11 is used frequently (and the input key 12 is used less frequently. Therefore, when the shift key 14 is pressed to enter the shift state, Pressing any of the keys 12 will automatically cancel the shift state, but pressing the input key 11 will not return to the normal state.In this case, to cancel the shift state, press the shift key 14 or input key 1
Add the condition of pressing 2.

The display unit 20 includes a channel display 21 indicating the current channel number, a shift display 22 indicating that the input key 11 is in a shift state, and a second shift display 2 indicating the second function of the input key 11.
3, and the first function of each key and the second function of the input key 12 are not displayed.

FIG. 4 is executed by the CPU 31. This is a flowchart of key input processing and corresponds to the key arrangement shown in FIG. [Normal state-1 is related to the first function of each person's key-11 to 13, whereas "shift state" is related to the first function of shift key 14
This is the process after pressing .

Among these, the input key 1 branches to the "second shift state"
1 and the others are related to the input key 12.

According to such input key classification and input processing, for example, when adjusting the volume with the input key 11, the shift key 14 is pressed once.
After pressing , press vor-, up or VOL, D as many times as you like.
You can press OWN. In addition, the second input key 12
When using 1JutilJ, the shift 1-state is automatically canceled by key operation, which is convenient. Note that the shift 1 state can also be canceled by operating the shift key 14 - input key 11 -> input key 12 in this order. In this case, in the example of FIG. 4, the first function of the input key 12 is executed. However, when moving from volume adjustment to channel switching, use the shift key 14.
It is necessary to operate in the order of → input key 11 - shift key 14 → input key 11.

Although the above example describes the case where one input key has two functions, it can also be applied to the case where two or more shift keys are provided (c) and one input key has three or more functions. Further, input processing by a microcomputer can also be performed by hardware.

〔Effect of the invention〕

As described above, the present invention has the advantage that the operability of a key input device in which one input key has multiple functions can be improved in accordance with the frequency of use of each key.

[Brief explanation of drawings]

FIG. 1 is a schematic block diagram of the present invention, FIG. 2 is a block diagram showing an embodiment of the present invention, FIG. 3 is a configuration diagram of its main parts, and FIG. 4 is a flowchart of key input processing 1 to 1. FIG. 5 is a configuration diagram showing an example of a conventional keyboard. In the figure, 10 is an operation section (keyboard), 11 to 13 are input keys 114 and a shift key, 20 is a display section, and 30 is a microcomputer section.

Claims (1)

[Claims] A plurality of input keys each having an independent normal input function, a shift key that switches the input key to another function different from the normal input function, and one input key after the shift key is pressed among the plurality of input keys. Distinguish between a first input key that switches to the other function only once and a second input key that switches to the other function from the time the shift key is pressed until the shift key or the first input key is pressed. A key input device comprising: a key input processing section.