CN2517027Y - Computer koeyboard with hierarchy switching function - Google Patents

Abstract

The utility model discloses a computer keyboard with stratum switching function, comprising a keyboard casing body, key groups, signal wires and a keyboard control device; wherein, the keys are embedded on the keyboard casing body; the key groups comprise characterize keys, function keys, numeric keys, cursor movement keys, power three keys and function-expansion keys; the keyboard control device is arranged inside the keyboard casing body; the key groups also comprise switch keys which are embedded on the keyboard casing body and combine with the other press key for realizing switching function; key function for each stratum definition corresponds to scan code in scan matrix of the keyboard, thus full group of the functions hidden inside stratum definition among scanned matrix definition can be called out once for use through pressing the function switch key, enabling all set keys on the keyboard can move as much as possible and greatly improving utilization ratio of keys.

Description

The computer keyboard of tool stratum handoff functionality

(1) technical field

The utility model relates to a kind of computing machine peripheral equipment, particularly a kind of computer keyboard that is applicable to the tool stratum handoff functionality of multimedia operations system.

(2) background technology

Since nineteen ninety-five is released Windows95 window application software, owing to it possesses compatibility, is easy to learn and use and the characteristic of multimedia plurality of advantages combination can be formed a mainstream operation system, but during the application program that this system is added in seeking computing machine, must enter in the procedure set and go for singly, so propose the notion of MultiMedia Keyboard.Once propose the scan code of three buttons of the key scan sign indicating number of power management triple bond and control multimedia volume in 1998, thereby improved the function of this operating system; Then, defined the multimedia standardization key set code in 1999 again, reserve many scan codes simultaneously,, and in Windows, allow the user to go to change the functional definition of button so that the user defines its function voluntarily.

Keyboard shown in Figure 1 is arranged in the prior art, mainly be on common keyboard, to set up a plurality of extended function keys 1 ' extraly, multimedia button as about 17 of: Volume Up, Volume Dn, Mute, WWW, Record, Rewind, Close etc., the sign indicating number decided at the higher level but not officially announced of these extended function keys 1 ' can cooperate the application program of window system to carry out, the operator can directly push these function keys on keyboard, just can learn its operating effect from the screen of display, simple, convenient.But, along with people are easy to using, the continuous demand of quick demand, the extended function key that surface of keyboard can increase is also constantly increasing, like this, when causing increasing the extended function key at every turn, must carry out bigger modification (mould spends about 100,000 dollars) to its keyboard mould, not only increase manufacturing cost, strengthen the overall volume of keyboard simultaneously.

At present, the keyboard that existing notebook is used, as shown in Figure 2, on keyboard, have additional a switch key 1 "; and in this switch key 1 " and appropriate functional key 2 " on corresponding symbol or literal (as lock shape symbol on Fn or the F11 etc.) are set, make these function keys 2 " be endowed dual reset justice.During use, can push switch key 1 simultaneously " with a certain function key 2 " form a combination function key, thereby send out this function key 2 " another functional definition sign indicating number of being endowed, required to satisfy the multimedia operations system.Hence one can see that, operate this key hour indicator, need push two buttons simultaneously, could form combination function, though can reduce keyboard volume, simple and efficient inadequately, have certain limitation.

(3) summary of the invention

It is a kind of by define the computer keyboard of multi-purpose tool stratum handoff functionality voluntarily in scan code that the purpose of this utility model is to provide, and do not increase the volume of keyboard simultaneously.

For achieving the above object, the utility model is taked following technical measures:

The computer keyboard of tool of the present utility model stratum handoff functionality, mainly by keyboard case, key groups, signal wire and keyboard controller are formed, its button is embedded on the keyboard case, key groups comprises text button, function key, numerical key, cursor movement key, power supply triple bond and extended function key, keyboard controller is located in the keyboard case, keyboard controller is mainly by elastic parts, circuit board and wiring thin film constitute, elastic parts is adhered on the surface of wiring thin film, the circuit board that is connected with signal wire is installed with on wiring thin film, this circuit board is provided with pilot lamp, and wiring thin film is provided with the integrated circuit of may command keyboard controller;

Key groups comprises also and is embedded on keyboard case the function switch key of realizing handoff functionality with another key combination that the keypress function of each stratum's definition is corresponding to the scan code in the keyboard scan matrix.

Wherein: described circuit board is provided with the pilot lamp that shows described function switch key switching state.

Wherein: the original pilot lamp common anode on described pilot lamp and the circuit board.

Compared with prior art, the utlity model has following effect:

Because computer keyboard of the present utility model has the functional definition that stratum switches, and definition has the scan code corresponding with its function in its scan matrix, therefore, can pass through the pressing function switch key, transfer is hidden in the key set code that defines in the scan matrix, makes full use of button limited on the surface of keyboard, and it is all moved as much as possible, improved the utilization factor of button widely, had with minimum material, minimum cost and reach the effect of maximum function.

(4) description of drawings

Fig. 1: the synoptic diagram of the MultiMedia Keyboard of existing tool extended function key;

Fig. 2: the synoptic diagram of existing notebook computer keyboard;

Fig. 3: the synoptic diagram of the computer keyboard of the utility model tool stratum handoff functionality;

Fig. 4: the circuit diagram of the computer keyboard of the utility model tool stratum handoff functionality;

Fig. 5: the vertical view of another embodiment of computer keyboard of the utility model tool stratum handoff functionality;

Fig. 6: the computer keyboard of the utility model tool stratum handoff functionality is the vertical view of an embodiment again.

Fig. 7: the process flow diagram of the computer keyboard of the utility model tool stratum handoff functionality.

Table 1: the chart of the computer keyboard scan matrix of the utility model tool stratum handoff functionality.

(5) embodiment

The utility model mainly is a function switch key of setting up tool stratum handoff functionality on the active computer keyboard, during operation, can utilize the function switch key to enter the computer-internal control device, according to the function code of its scan matrix definition, make the key change function, reach the effect of amplification function.

As shown in Figure 3, the computer keyboard of tool of the present utility model stratum handoff functionality mainly is made up of keyboard case, key groups, signal wire and keyboard controller.Wherein: each button in the key groups is embedded on the keyboard case 1, and button can be divided into text button 21, function key 22, numerical key 23, cursor movement key 24, power supply triple bond 25, function switch key and extended function key 27 by its region; It is located at keyboard controller (the same known techniques in the keyboard case 1, so do not draw among the figure) mainly constitute by several elastic partss, a circuit board and a wiring thin film, elastic parts is adhered on the surface of wiring thin film, the circuit board that is connected with signal wire 3 is installed with on wiring thin film, this circuit board is provided with an amount of pilot lamp, as three pilot lamp Num, Caps and the Scr pilot lamp that is provided with on the keyboard viewing area 28.In addition, also be provided with the integrated circuit of may command keyboard controller on the wiring thin film, can adopt model in the utility model is the integrated circuit of EM-83053.

Design focal point of the present utility model is: the function switch key that is embedded on the described keyboard case can be more than one, in Fig. 3, promptly is provided with two, the first function switch key 261 and the second function switch key 262.Can be printed with the literal of expression specific function on the surface of this class function switch key or switch symbol, as promptly being printed with on the first function switch key 261 " turbo " printing on symbol and the second function switch key 262 " Fn " symbol.By the scan code of corresponding definition in the pressing function switch key 26 exportable scan matrixs, these scan codes are gone in the integrated circuit by software programming, to reach the effect of what's new.

Principle of the present utility model can be in conjunction with Fig. 4, Fig. 7 and table 1 explanation, when a certain button of operator presses, keyboard controller will detect from scan matrix and judge whether that button is pressed, if keyboard controller is judged and is truly had keyboard to be pressed, then keyboard controller can conclude simultaneously whether the button that is pressed is the function switching key, if, then the pilot lamp of the logical viewing area of guide gives the operator with caution, simultaneously, judge whether its function switching is in the enabled status, if, then enter the defined multimedia function state of second stratum in the scan matrix, scan detection, then, correspondence is detected scan code sends computing machine to.

As shown in Figure 7, it is the process flow diagram of the utility model computer keyboard.When beginning to operate, at first, carry out step 51; Detecting main frame is that order is arranged, if "No" then carry out step 52; Whether in scan matrix have button be pressed, if "Yes" then carry out step 53 if judging; Judge whether that the function switch key is pressed, if "Yes" then carry out step 54; The keypress function conversion, the led status conversion is if state transformation then carry out step 55; Carry out the MultiMedia Keyboard of second layer definition, then carry out step 56 again; Transmit scan code and give computing machine.In step 51,, then carry out step 57 if main frame has order; Computing machine is given in fill order and response.In step 54, if not conversion of state then carry out step 58; Then carry out ground floor keyboard definition (standard code).

Computer keyboard of the present utility model is when concrete operations, can push the first function switch key 261 and the second function switch key 262 simultaneously, then enter in the function of second stratum definition, then, push a certain numerical key 23 again, detect corresponding scan code by scanning, just can directly export another function of definition on the numerical key 23, as functions such as WORD, SCANNER, COPY, SAVE, REDO, MY DOC; As pushing the first function switch key 261 and the second function switch key 262 once more simultaneously, then be back to again in first stratum.

From the above, computer keyboard of the present utility model is compared with the MultiMedia Keyboard structure of existing tool extended function key, only increases a function switch key, but can avoid revising the problem that cost that mould causes increases on a large scale because of increasing function.In addition, as will make computer keyboard of the present utility model enter the function of its second stratum definition the time, also can realize, as shown in Figure 5, can define voluntarily according to actual needs by the sub-key (F12) of pressing function switch key 261 and function key 22 simultaneously.In addition, in the utility model, because of the keyboard viewing area has additional the functional definition of second stratum, know that for ease of the user its operation has entered in the function switching state, can give the user with prompting (as shown in Figure 3) by the mode of setting up a pilot lamp M/M in keyboard viewing area 28; Also can learn its indicating status by the light emitting diode that two common anode are set, as shown in Figure 5, be pilot lamp Scr and the shared situation of pilot lamp M/M in the keyboard viewing area 28, thereby reduce the variation of keyboard overall volume, more can make things convenient for operator to know that its action has entered in the functional status of stratum's setting, handling safety, reliable.

The utility model also can be provided with the functional definition of multistage layer, as shown in Figure 6, can will have the extended function key definition that is provided with on the keyboard now in stratum, thereby general with the structure of known QWERTY keyboard.During concrete implementation and operation, can enter in the functional status of second stratum definition with sub-key F12, promptly realize Volume Up, Volume Dn, Mute, WWW, Record, functions such as Rewind, Close by pushing the first function switch key 261 simultaneously; As pushing the first function switch key 261 and the second function switch key 262 simultaneously, then enter in the functional status of three-layered definition, can realize functions such as WORD, SCANNER, COPY, SAVE, REDO, MY DOC.

In summary, by the pressing function switch key, definition in the scan matrix can be hidden in the once whole group calls in several of the function that defines in the stratum comes out to use, make the button of setting on the keyboard all move as much as possible, improve the utilization factor of button widely, had the effect of the function that reaches maximum with minimum material, minimum cost.

Table 1

	R0	R1	R2	R3	R4	R5	R6	R7
									S0	PAUSE NEXT	FORWARD (WWW)	NEXT	MY COM	Ctrl(R)		CTRL(L)	F5 SEARCH
S1	Q	TAB	A	ESC	Z		~ 、	! 1
									S2	W	CAPS	S		X		F1 BACK	@ 2
S3	E	F3 Stop	D	F4 REFRESH	C		F2 FORWARD	# 3
									S4	R	T	F	G	V	B	% 5	$ 4
S5	U	Y	J	H	M	N	^ 6	& 7
									S6	I	} ]	K	F6 FAVORITE	< ，		+ =	* 8
S7	O	F7 HOME	L		> .		F8 MAIL	( 9
									S8	P	{ [	： ；	″		/	— _	) 0
S9	SCROLL PLAY	(WWW) Stop	Stop	ALT(L)	FN POWER	ALT(R)	CAL	PRINT Stop
									S10		BACK SPACE	|	F11 VOL+	ENTER(L)	F12 PREV	F9 MUTE	F10 VOL-
S11	7 HOME WORD	4 ← CUT	1 END EDIT	SPACE	NUM LOCK CLOSE	↓	Delete
									S12	8↑ SCANNER	5 COPY	2↓ SAVE	0 Ins REDO	/ MY DOC	→	Insert MEDIA
S13	9 PgUp SCANDISK	6 → PASTE	3 PgDn PRINT	. Del UNDO	* GAME	- MENU	Page Up MY COM	Page Down
									S14	+ DIAL	BA1(K107)	ENTER(R) FAX	↑	FN SLEEP	←	Home CAL	End
S15	MUTE	SHIFT(L)	SHIFT(R)	PLAY	FN WAKE	POWER	(WWW) SEARCH	MEDIA
									S16	VOL-	WIN(L)	(WWW) BACK	PREV	M/MODE	SLEEP	(WWW) FAVORITE
S17	VOL+	(WWW) MAIL	WIN(R)	CLOSE	TURBO/FN	WAKE	(WWW) HOME	(WWW) REFRESH

Claims (3)

1, the computer keyboard of a kind of tool stratum handoff functionality, mainly by keyboard case, key groups, signal wire and keyboard controller are formed, its button is embedded on the keyboard case, key groups comprises text button, function key, numerical key, cursor movement key, power supply triple bond and extended function key, keyboard controller is located in the keyboard case, keyboard controller is mainly by elastic parts, circuit board and wiring thin film constitute, elastic parts is adhered on the surface of wiring thin film, the circuit board that is connected with signal wire is installed with on wiring thin film, this circuit board is provided with pilot lamp, and wiring thin film is provided with the integrated circuit of may command keyboard controller;

It is characterized in that key groups comprises also and be embedded on keyboard case the function switch key of realizing handoff functionality with another key combination that the keypress function of each stratum's definition is corresponding to the scan code in the keyboard scan matrix.

2, the computer keyboard of tool according to claim 1 stratum handoff functionality is characterized in that, described circuit board is provided with the pilot lamp that shows described function switch key switching state.

3, the computer keyboard of tool according to claim 1 and 2 stratum handoff functionality is characterized in that,

Original pilot lamp common anode on described pilot lamp and the circuit board.

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