Keyboard
The utility model relates to computer keyboard, but particularly a kind of possess handoff functionality and the keyboard of singly-bound control multimedia equipment or opening program.
After Microsoft releases Win95 (Windows 95) application software August 24 nineteen ninety-five, because it possesses characteristic and the plurality of advantages that is easy to learn and use, the very fast popular feeling that just won.Yet, undeniable, there is not perfect thing in the world, Win95 is no exception, and it still has and partly is difficult for study and unworkable shortcoming.For example on Windows 95, use CD drive, must enter in the numerous software group with Genius mouse, just can find out executive routine goes to carry out, this step is to being familiar with the computer operator, though be unlikely the formation problem, but it is easy inadequately eventually, especially concerning the person that generally begins to learn the computer, difficult especially, so the big factory of some computers is COMPAQ, PACKARD BELL for example ... Deng, be on its screen or computer host housing, to have increased many buttons, the user can be directly by these buttons control CD drive start and stop, regulate volume etc.Though this prior art method can remedy partly not wield disappearance of Win95, cost is quite high, and screen or host computer are far away apart from the user sometimes, and is also inconvenient during operation.
So the someone provides a kind of new solution route again, has promptly increased plurality of keys on existing keyboard, the user can be the same as the operation household appliances, and so an a kind of function of key control is in the operation, it is many to set up the button facility on screen or host housing, and the cost aspect also reduces much.Yet this way in fact also has its shortcoming; At first, the button that has been covered with various functions on the keyboard already, the space of button and few can be used to increase, so mechanism design and production cost all improve relatively, and to prevent the generation of terrible key because of keyboard, the scan matrix of circuit must be increased simultaneously during the amplification button, so that also raising relatively of cost of parts, so also non-a kind of simple and desirable method of dealing with problems.
The handoff technique of notebook type computer use at present, though advance to some extent, but still must press two keys simultaneously, just can carry out a certain special order or function, cumbersome.
The purpose of this utility model is: possess handoff functionality and the keyboard of singly-bound control multimedia equipment or opening program but provide a kind of.
The utility model is to realize like this, it comprises the keyboard coding controller of keyboard case, button, keyboard jack and microprocessor control, characteristics are: increase a hot key on keyboard in addition, and the specified button of being given a newly-increased specific function is simultaneously respectively arranged on this keyboard, with the control multimedia equipment, or open some common programs; The keyboard coding controller of microprocessor control is to be connected with pilot lamp, signal transport block, key switch matrix block respectively by CPU, and the key switch matrix block is divided into standard keypad, hot key district, switches keypad, key switch matrix has X0 to X7 bar horizontal scanning line and 17 column scan lines, that is: Y0 to Y9 and YA to YG bar column scan line, sweep trace connects the input/output interface of CPU, and the signal transport block comprises DATA data line and CLOCK input/output line.When pressing hot key, keyboard will be voluntarily transcoding, specific function mode is come into force, during again by next specified button, keyboard can be sent different keypad codes and the cooperation by windowing software, can carry out the newly-increased specific function of this specified button; When pressing hot key again, the keyboard keypad code that can reverse once again again makes these specified button reply original general utility functions.But thereby make keyboard possess handoff functionality and singly-bound control multimedia equipment or opening program.
On above-mentioned technical foundation, the hot key next door is provided with a pilot lamp.
For making things convenient for the user, on specified button, have and printing the literal of representing this specific function or the specified button of ideographic symbol.
For ease of user's operation, hot key system is arranged at the auxiliary keypad of numerical value top, and the specified button preferably is the numerical value collateral key.
The utility model also can be with numerical value collateral key in this keyboard and the overlapping part deletion of cursor control key function, and change some specific functions into, and switch numeral or specific function by pushing num lock key, incorporate a diode into by X1 horizontal scanning line to CPU one input/output line on circuit, it is inner hot key function control enable line.
For making things convenient for the user, have on the numerical value collateral key and printing the literal of representing this specific function or the specified button of the number of expressing the meaning.
The utility model is also available to have the keypad that is equivalent to standard keyboard numerical value collateral key function, keypad comprises an extra hot key, and keypad has the button of newly-increased specific function, the cable of this keypad is with an adapter simultaneously, this first end of transferring is the plug that can be plugged in the keyboard socket of main frame,, end is the socket of the joint insertion of permission QWERTY keyboard in addition.
Be convenient and use have on the keypad and printing the literal of representing this specific function or the button of ideographic symbol.
Superiority of the present utility model is: owing to set up a hot key on standard plate, or a certain button on the specified value dish is as the switch key of general utility functions and specific function, and some assignment key on this QWERTY keyboard is also invested simultaneously a newly-increased specific function respectively with the control multimedia equipment or open some common programs; When pressing switch key, keyboard transcoding voluntarily comes into force specific function mode, and when pressing arbitrary specified button again, keyboard can be sent different keypad codes, and the cooperation by windowing software, makes it can carry out the newly-increased specific function of this specified button; When pressing switch key again, the keyboard keypad code that can overturn once again makes these specified button reply original general utility functions, manipulates so that computer is easier, does not increase the scanning linear on the electronic circuit simultaneously.
Below will be described further technical characterictic of the present utility model by drawings and Examples:
Fig. 1. be the stereographic map of existing QWERTY keyboard.
Fig. 2. be the vertical view of numerical value collateral key and cursor control key in the existing keyboard.
Fig. 3. be partial top view of the present utility model, be presented at the situation of new print specific function symbol on the numerical value collateral key.
Fig. 4. be the partial top view of utility model embodiment 2.
Fig. 5. be the keypad vertical view that forms according to the utility model.
Fig. 6. the keyboard coding controller block diagram of microprocessor control.
Fig. 7. the keyboard coding controller circuitry schematic diagram of microprocessor control.
Fig. 8. the keyboard software block diagram.
Fig. 9. transmission signal is to the signal specification of main frame.
Figure 10. receive the specification of main frame signal.
Figure 11. the scanning key matrix diagram.
Fig. 1 is general standard keyboard stereographic map, and this QWERTY keyboard 10 can be divided work six parts, i.e. button 1, value key 2, cursor control key 3, specific use key 4, function key 5, pilot lamp 6 basically.Wherein, most numerical value collateral key 2 all is printed on the symbol of two kinds of difference in functionalitys, shown in the vertical view of numerical value collateral key and cursor control key in the existing keyboard of Fig. 2, be printed on Home as numerical key 7 belows, when the user presses num lock key 21 (Num Lock), pilot lamp 6 is bright, and all numerical value collateral keies 2 are all digital function, can key in numeral fast; When pressing num lock key 21 again, pilot lamp 6 goes out when inferior, and all numerical value collateral keies 2 transfer functions such as Home, End, Ins automatically to.Though, for keyboard itself, no matter at any time the keypad code (Scan Code) sent of state is all identical for numerical value collateral key 2, but in the main frame (System PC) working storage (Register) is arranged, can reach the purpose of handoff functionality by reverse index in the working storage of num lock key 21.
Embodiment 1, as Fig. 3, shown in the partial top view of the present utility model, is presented at the situation of new print specific function symbol on the numerical value collateral key.Be that the part that numerical value collateral key 2 and cursor control key 3 functions are overlapping is cancelled, the substitute is the other specific function, utilization is pressed num lock key 21 and is switched numeral or specific function, no matter and the index of working storage is why in the main frame, keyboard will be sent different keypad codes with automatic remember condition at different states, see through the windowing software of giving as an addition with keyboard again, can present different functions, reach the purpose of switching.As Fig. 6, the keyboard coding controller block diagram of microprocessor control, as Fig. 7, the keyboard coding controller circuitry schematic diagram of microprocessor control, the keyboard coding controller of microprocessor control by CPU respectively with pilot lamp block 64, signal transport block 65, key switch matrix block 63 is connected, and key switch matrix block 63 is divided into standard keypad 62, hot key district 61, switch keypad 66, key switch matrix has X0 to X7 bar horizontal scanning line and 17 column scan lines, it is Y0 to Y9 and YA to YG bar column scan line, sweep trace connects the input/output interface of CPU, and signal transport block 65 comprises DATA data line and CLOCK input/output line.In circuit, add an enable line 67, promptly utilize diode D1 in the hope of reaching inner hot key function.Fig. 8 is the keyboard software block diagram, because of switch key is appointed as an any key on the former keyboard, then software flow is to carry out by method two, promptly after switch key is pressed and bleeds off, to send the standard key, reach the windowing software on the main frame, and change the flag of main frame inside, and when making each key in the operator presses the hot key block, keyboard is sent the standard key, receive by the key receiver, and call out ACPI gain setting peripheral interface, reach the purpose of control specific function.Fig. 9 is the signal specification of transmission signal to main frame, and Figure 10 is for receiving the specification of main frame signal, and Figure 11 is the scanning key matrix diagram, and keyboard receives main frame F2 signal and responds two sign indicating numbers, and the response time requires in 300usec.Any order from main frame, keyboard all must be at 300usec with interior responses.Each transmits key, and the interval is at least greater than 1.5msec between sign indicating number and the sign indicating number.Scan matrix interval time, if key set code, in fix time and should be 24msec, if release code, in fix time and should be 16msec.When if the hot key that switch key is designated as other increase comes handoff functionality, then flow process is that method one on the software is promptly when switch key is pressed and decontrol, do not send keypad code, and change the flag of keyboard and keyboard changes over all keys in the hot key district automatically as the key in the keyboard scancode stretch-out view, when the user presses each key in the hot key district again, keyboard will be sent special key, seeing through key receiver VXD by windowing software receives, and be Windows (ACPI), and reach the purpose of carrying out specific function.
Embodiment 2: as shown in Figure 4; another kind of structure partial vertical view of the present utility model; be above numerical value collateral key 2 zones, additionally to set up a hot key (Hot Key) 22; and each numerical value collateral key 2 also is endowed a newly-increased specific function simultaneously; volume with control CD drive (CD/DVD) is regulated (Volume); quiet (Mute); recording (Rec); rewinding (Pre); move back band (Track); start (Play); stop (Stop/Pause) ... etc.; perhaps in order to open some commonly used or specific programs, as Internet program (InternetVeb Brower); e-mail program (E-Mail); computer program (Calculate); screen protection (Screen Saver) ... etc.These specific functions all indicate with corresponding literal or ideographic symbol on numerical value collateral key 2, so that come into plain view, and are convenient to operation.In other words, each numerical value collateral key 2 possesses two kinds of functions simultaneously, i.e. the general utility functions of former definition, and as quick key entry numeral and moving cursor etc., and newly-increased specific function, and these two kinds of functions are to be switched by aforesaid hot key 22.In addition in order to show that numerical value collateral key 2 ties up under the pattern of general utility functions or specific function, in preferred embodiment, hot key 22 next doors are with a pilot lamp 23, and when depressing hot key 22, keyboard will be lighted pilot lamp 23 automatically, and transcoding voluntarily, the expression specific function mode comes into force, in case when the user pressed arbitrary value key 2, keyboard will be sent different keypad codes, and see through the cooperation of windowing software, can carry out the newly-increased specific function of this numerical value collateral key 2.When pressing hot key 22 again, pilot lamp 23 extinguishes, and the keyboard keypad code that then reverses once again makes numerical value collateral key 2 reply original general utility functions.Because original QWERTY keyboard has spent most keypad code, for avoiding conflict, the keypad code that the keyboard residue is available is also few, so cursor control key 3 on the utility model utilization QWERTY keyboard, as above descend right and left key etc., all add the principle of " EO " before its keypad code, see accompanying drawing 13, distinguishing is general utility functions key or special function keys, so that windowing software is easy to identification.Therefore, the keyboard that forms according to the utility model both needn't increase the sweep trace on the electronic circuit, more can not improve the purpose that cost of parts just can reach handoff functionality.
Embodiment 3: as shown in Figure 5, the utility model can be designed to an independent keypad 7, this keypad 7 possesses the keyboard the right function partly that is equivalent to Fig. 4, and its cable 71 is with an adapter 72, and these adapter 72 1 ends are plug, can be plugged in the keyboard socket of main frame, in addition end is socket, allow QWERTY keyboard joint insert, so promptly scalable, make it become special keyboard, to alleviate user's burden with handoff functionality.
The method that hardware of the present utility model and software are used: when the user presses Internet (WWW) key, keyboard is promptly checked inner working storage index, be to point to the general utility functions key, perhaps special function keys? if it is the keypad code of beginning that sensing special function keys, keyboard are promptly sent with " EO "; After form was received this sign indicating number, the standard interface that promptly utilizes form API to be provided pointed to Internet program position, and carries out it, and this moment, the user can see that the programmed control panel that should be performed is revealed on the screen.