CN2658835Y - Combined input method computer keyboard - Google Patents

Abstract

The utility model relates to a computer keyboard with a combined input method, to a small-volume conveniently-operating computer keyboard. The technical proposal is that a key group(1), an upper keyboard cover(3), a conducting strip(4), a rubber plate(5), a circuit board(8), a lower keyboard cover(9) and an inlet cables(10). The utility model is characterized in that the key group (1) is provided with an input switch key (comma) inputting various symbols under the normally-opening state. The input switch key (comma) is correspondingly connected with a switch at a pressing point in an integrated circuit. Additionally, the key group (1) is provided with letter keys not more than 10. A plurality of letters are arranged on a key. The letters are input through the combination of the letter keys and the number keys. And the number keys are valid by only the NUMLOCK key is pressed. And an independent number key or an independent letter key is invalidly pressed to input. The utility model has the effects that computer keyboard with a combined input method can greatly reduce the numbers of the letter keys and enables that the small-dimension keyboard maintains a plurality of advantages of the PC keyboard.

Description

Combinatorial input method computer keyboard

Technical field

The present invention relates to a kind of computer keyboard, particularly relate to the computer keyboard of combinatorial input method.

Background technology

At present, known and computer keyboard that be familiar with for numerous computer operators (the inserted keyboard of individual pc stand alone type keyboard notebook computer), can't be used for pocket diary computer and palm PC because volume is big, and handwriting input mode and voice mode are by writing style and dialect influence owing to the importer, make that discrimination is low, speed is slow, having become influences one of principal element that notebook computer is further microminiaturized and palm PC is popularized.

Summary of the invention:

The objective of the invention is to provides a kind of volume little at the problems referred to above, easy to operate combinatorial input method computer keyboard.

Technical solution of the present invention is by key groups (1), keyboard loam cake (3), conducting strip (4), sheet rubber (5), circuit board (8), keyboard lower cover (9) and extension line (10) are formed, it is characterized in that on key groups (1), be provided with an input switch key (comma) under normally open for the various symbols of input, this key correspondence is connected the switch of integrated circuit one by point, in addition on keyboard group (1), be provided with and be no more than 10 letter keys, several letters are placed on the button, the input of letter is keyed in by alphabet key and sequence number key combination, and exist and press letter key separately or press numerical key separately and import invalidly, it is effective only to press NUMLOCK key input number keyboard.

In addition, in above-mentioned keyboard loam cake (3) and in the keyboard lower cover (9), hinge (2) is installed, in circuit board (8), is provided with line (7).

Effect of the present invention is to adopt combinatorial input computer keyboard of the present invention, can reduce letter key quantity in a large number, makes small-sized keypad keep the plurality of advantages of pc switch dish to become possibility.

Description of drawings

Fig. 1 is a kind of embodiment keyboard disk figure of the present invention.

Fig. 2 is the keyboard structure synoptic diagram that Fig. 1 of the present invention is.

Fig. 3 is another kind of embodiment keyboard disk figure of the present invention.

Fig. 4 is the keyboard structure synoptic diagram of Fig. 3 of the present invention.

Fig. 5 is embodiments of the invention keyboard circuit figure.

Fig. 6 is the scan process process flow diagram under the situation that does not have keyboard to press.

Fig. 7 is the scan process process flow diagram under the situation that has keyboard to press.

Fig. 8 is the processing flow chart of Fig. 1 embodiment numerical key.

Fig. 9 is the processing flow chart of Fig. 1 embodiment symbolic key.

Figure 10 is the processing flow chart of Fig. 1 embodiment letter key.

Figure 11 is the processing flow chart of Fig. 3 embodiment numerical key.

Figure 12 is Fig. 3 embodiment F ₁～F ₁₂The processing flow chart of function key.

Figure 12 is the processing flow chart of Fig. 3 embodiment letter key.

Embodiment

Embodiment is described in detail as follows the structure of the present invention and the course of work in conjunction with the accompanying drawings:

Embodiment takes into full account the defined function of pc machine keyboard key, makes its key name consistent with function.

Fig. 1 and Fig. 3 adopt two of this patent design to become to take formula combinatorial input method computer keyboard.Carry size for subtracting, send out and to count into collapsiblely, and be integrated with similar notebook computer touching screen mouse.Cooperate serial number key, a letter key can be imported 3 letters (m=3) at the most.Need 9 letter keys altogether.

Keyboard is divided into left and right two parts among the figure, is furnished with some major keys (big key) and function key (little key) respectively.Major key is used to import the high letter of frequency, numeral, punctuation mark and special symbol; Function key is with using the specific function of importing corresponding to big keyboard.For the purpose of neat, function key is drawn as half size of major key.

Indicating English alphabet (is exemplified as among the figure

) Master Keyboard letter key, the serial number key that the major key that indicates numeral is called letter, be called for short serial number key.(also being numerical key)

Key+numerical key 1 input alphabet A (or a)

Key+numerical key 2 input alphabet B (or b)

Key+numerical key 3 input alphabet C (or c)

For 26 English alphabet keys on the pc machine, use said method, if each major key is arranged m letter, a major key arranged in addition in not enough m remaining letter, then only needs altogether:

26/m=m+1 letter key, wherein n is the integer of 26/m.

And serial number key need not be established key separately, can use other keys (as numerical key) definition.

Describe the keyboard scan course of work of the present invention in detail in conjunction with Fig. 5.

Microcomputer keyboard of the present invention mainly is made up of single-chip microcomputer, code translator and key switch matrix (8 row and 16 row) three parts.

The keyboard circuit of (chip of one 40 pin, inner integrated 8 bit CPUs, 1024 * 8 ROM, 64 * 8 RAM, 8 devices such as the timer/counter) control of adopting that is 8048.

Keyboard of the present invention in scanning process, timer internal 7 digit counter cycle counts.When high 5 (D6-D3) states are complete " 0 ", on 0 routine line, export one " 0 " through code translator, all the other are " 1 "; And low two (D2D1D0) of counter selects the capable scanning of 1 MUX control 0-7 by 8.Counter meter one number and then scan delegation is counted the whole line scans of 8 numbers one time, simultaneously by counter inside to the D3 carry, make another alignment 1 step-down, line scans one time again.Short of key is pressed, and MUX is just exported high level always, and then clock makes the counter cycle count always, and keyboard is taken turns to scan.When a key was pressed, if when scanning the row and column at this key place, MUX will be exported a low level, removes to block the clock door, made counter stop counting.The data of this hour counter output are exactly by the position code of button (being scan code).8048 utilize program to read this key after, add one " 0 " in most significant digit, form the data of a byte, export with serial mode from the P22 pin then.8048 detect key and press after, also to continue keyboard scan is detected, whether discharge to find this key.When detecting when discharging, 8048 add one " 1 " in the front of 7 position codes of reading just now (most significant digit), as " release scan code ", also see off from the serial of P22 pin, so that distinguish mutually with " pressing scan code ".The purpose of sending " release scan code " is to provide condition for identification Macintosh and upper and lower shelves key.

Embodiment one (Fig. 1):

The characteristics of example one are:

1. letter key, numerical key branch are listed in left and right both sides;

2. serial number key is defined on the numerical key, be respectively serial number key 1 on numerical key 1, sequence number 2 is on numerical key 2, serial number key 3 is on numerical key 3;

3. it is invalid to press letter key separately or press numerical key separately;

4. directionkeys is defined as the Fn+NUMLOCK+ directionkeys;

5. other each key functions are similar to pc switch dish key of the same name.

The definition of Fig. 1 function keyboard:

1.NUMLOCK be the switch of numeric keypad input, when NUMLOCK when opening state, the numeral of input be effective, if during off status, numeric keypad is other Macintoshs usefulness.

2.Comma key is normally open for the switch of the various symbol inputs of input,

3.Comma+ numeric keypad: the symbol of the top of input number keyboard.

4.Comma+ letter key: the symbol of the below of input alphabet key.

5.Comma+shift+ letter key: the symbol of the top of input alphabet key.

6. shift+ 8,2,4,6 of numerical key is respectively the directionkeys of upper and lower, left and right.

Serial number key 1., 2., 3. (lay respectively at numerical key 4,5,6)+letter key: the upper, middle and lower letter of choosing letter key respectively.

8.Fn key is similar to the Fn key of notebook computer, is used to define other functions.

9. press letter key separately or press numerical key (no function key cooperates) separately, belong to invalid input.

Embodiment two (Fig. 3)

The characteristics of example two are:

1. numerical key, each delegation of letter key are transversely arranged.

2. numerical key and serial number key divide manual manipulation, and method is: to the letter key on the left side, input alphabet is by the serial number key decision on the right; To the letter key on the right, input alphabet is by the serial number key decision on the left side.

3. serial number key is defined on the numerical key.

4.F1～F12 function key input method is: Fn+ numeral (1～12))+Fn.

5. it is invalid to press letter key separately or press numerical key separately.

The definition of Fig. 3 function keyboard:

1.MLOCK be the switch of numeric keypad input, when NUMLOCK when opening state, the numeral of input be effective, if during off status, numeric keypad is other Macintoshs usefulness.

2.shift+ numerical key: the symbol of the top of input number keyboard.

3.Comma+ numerical key: the bottom-right symbol of input number keyboard.

4.Comma+shift+ numerical key: the top-right symbol of input number keyboard.

5. the input method of function key F1～F12

Fn-numeral 1～12-Fn (that is: click Fn earlier, input digit 1～12 again, clicks Fn again)

6. the identical serial number key of sequence number, effect is the same: 1., 2., 3. serial number key (lays respectively on numerical key 4,3,2 and 7,8,9) the upper, middle and lower letter of choosing letter key respectively.

7. press letter key separately or press numerical key (no function key cooperates) separately, belong to invalid input.

Claims (2)

1. a combinatorial input method computer keyboard is by key groups (1), keyboard loam cake (3), conducting strip (4), sheet rubber (5), circuit board (8), keyboard lower cover (9) and extension line (10) are formed, it is characterized in that on key groups (1), be provided with an input switch key (comma) under normally open for the various symbols of input, this key correspondence is connected the switch of integrated circuit one by point, in addition on keyboard group (1), be provided with and be no more than 10 letter keys, several letters are placed on the button, the input of letter is keyed in by alphabet key and sequence number key combination, and exist and press letter key separately or press numerical key separately and import invalidly, it is effective only to press NUMLOCK key input number keyboard.

2. a kind of combinatorial input method computer keyboard according to claim 1 it is characterized in that in above-mentioned keyboard loam cake (3) and keyboard lower cover (9) in hinge (2) is installed, in circuit board (8), be provided with line (7).

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