CN1312561C - Computer input keyboard - Google Patents
Computer input keyboard Download PDFInfo
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- CN1312561C CN1312561C CNB031560334A CN03156033A CN1312561C CN 1312561 C CN1312561 C CN 1312561C CN B031560334 A CNB031560334 A CN B031560334A CN 03156033 A CN03156033 A CN 03156033A CN 1312561 C CN1312561 C CN 1312561C
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- keyboard
- dot pattern
- mnemon
- computer input
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- 230000015654 memory Effects 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
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Abstract
The present invention discloses a computer input keyboard. The data inputted by a user through the keyboard is synchronously displayed on a display device of an operating surface of the keyboard in the mode of configuring the display device on the operating surface of the keyboard. Therefore, the user does not need frequently and repeatedly watch key positions of the keyboard and the data displayed on a terminal display device in the process of data input. As a result, the present invention increases operation convenience. In addition, the keyboard cal be also input equipment which can be independently used in a off-line way (namely that the keyboard is not connected with a computer). A memory unit is arranged in the computer input keyboard, and thus, the inputted data can be temporarily stored in the memory unit under the off-line condition; furthermore, the stored data is inputted into the computer when the computer input keyboard is connected with the computer, and thus, the off-line working capability of the keyboard is enhanced.
Description
Technical field
The present invention relates to a kind of input keyboard of computing machine, particularly a kind ofly can on keyboard, show input data synchronously, even can under off-line state, can carry out the computer input keyboard of independent data input operation.
Background technology
Distinguish with regard to basic functions, general alleged computing machine comprises: input block, output unit and operation processing unit; The most important input block of computing machine is nothing more than keyboard and mouse at present, and terminal display then is most important output unit.
The structure of keyboard mainly is made up of many buttons, on behalf of one or more specific characters, each button all (comprise: symbol, character such as literal or numeral), and this many button normally adopts the structural arrangement of matrix, after the user presses some buttons, the character code that the microcontroller of keyboard (MCU) (30) will produce corresponding to this button transfers to main frame then, the signal of this character code is deciphered via the CPU (central processing unit) (CPU) of operation processing unit and the running of software in main frame, be stored in storage element (as hard drives) again or the microcontroller that is sent to terminal display is handled or changed, be shown in terminal display then.
For the user who is familiar with keyboard operation, it does not need usually to be absorbed in the key position of seeking in the keyboard, but sight is rested on the displaying contents of terminal display in carrying out the input operation process of data; Otherwise, for a user who is unfamiliar with the keyboard position, it must watch the key position and the shown data of terminal display of keyboard usually continually back and forth attentively in the key entry process of data, with correctness and the consistance of guaranteeing input data, this mode must be frequently for the user moves around sight between the shown data of the key position of keyboard and terminal display, not only operation inconvenience also causes physiological fatigue even injury easily.
No. 89122574 patent " is provided with the keyboard of display device ", disclosed a kind of keyboard that is provided with a display device at its shell, its basic technological means is exactly the display device of shell increase in conventional keyboard, under the control of a kind of control circuit of keyboard, after any one button is pressed, the symbol of this button representative will be displayed on the display device of keyboard case simultaneously, and the so-called peripheral device that is connected with this keyboard (being main frame or notebook computer main frame); Above-mentioned patented technology has just been done small improvement to traditional keyboard, can solve the inconvenience in the aforementioned use.
But, with regard to above-mentioned patented technology or traditional keyboard Designing, no matter be the wired keyboard that utilizes cable to be connected with main frame, or utilize the Wireless Keyboard of Radio Transmission Technology (as wireless radio transmission or infrared transmission), all need to keep just can carry out the input of data under the situation with computer interconnection, once with the connection break of keyboard and main frame, even on keyboard, key in any data, also can't be transfused to or deposit in main frame, so do not have the ability that works offline.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of computer input keyboard that can off-line operation.
Technical scheme of the present invention is in keyboard surface one display to be set, and the microcontroller (MCU) of control display, be provided with a mnemon in the above-mentioned keyboard, this mnemon stores the dot pattern of conventional characters, under the situation of off-line, the character code of being keyed in by keyboard at first is encoded to corresponding character code and is stored in mnemon via the microcontroller of keyboard, and then from this mnemon, obtain dot pattern corresponding to character code, again it is shown in the display of surface of keyboard; So under the situation of off-line, keyboard provided by the present invention can be temporary in mnemon with the data of input, and imports computing machine when recovering online, so that the ability that works offline of keyboard to be provided.
Another preferred embodiment of the present invention is when keyboard and main frame are online, by the technology that update mechanism on the line and memory content upgrade, dot pattern stored in the internal storage location is upgraded.
No matter another object of the present invention is to provide a kind of is under online or the situation of off-line, all can in input data, the data of input be shown in the computer input keyboard of the operating surface of keyboard.
In keyboard surface one display is set, the character of being keyed in by keyboard at first is encoded to corresponding character code via the microcontroller of keyboard, it is to be in online or the state of off-line that microcontroller detects keyboard simultaneously, if under online situation, just character code is reached main frame decoding, to reach display microcontroller in the keyboard corresponding to the dot pattern of character code by main frame again, and then it will be shown in the display of keyboard; Otherwise, if under the situation of off-line, the character code of being keyed in by keyboard at first is encoded to corresponding character code and is stored in mnemon via the microcontroller of keyboard, and then from this mnemon, obtain dot pattern corresponding to character code, again it is shown in the display of surface of keyboard.Therefore the user does not need to watch attentively back and forth continually the key position and the shown data of terminal display of keyboard in the key entry process of data, has increased the convenience of operation.
Description of drawings
Fig. 1 is a three-dimensional structure diagram of the present invention.
Fig. 2 is the functional block diagram of embodiments of the invention.
Fig. 3 is the workflow diagram of embodiments of the invention.
Fig. 4 recovers workflow diagram after online for the present invention.
Embodiment
Relevant preferred embodiment of the present invention and technology contents thereof, existing accompanying drawings is as follows.
At first, see also shown in Fig. 1,2, the computer input keyboard 10 that the present invention is disclosed is in addition improved based on general standard computer keyboard, and as one of input peripheral of main frame, it comprises:
One standard key 20 has a plurality of buttons 21 with the input character data, comprises whole English alphabet keys, numerical key, special function keys (as F1～F12), directionkeys (as above, down, a left side, the right side) etc.;
The microcontroller of one keyboard (MCU) 30 in order to the character code of generation corresponding to any button 21, and exports the main frame 40 that is connected with keyboard 10 to;
One display 50 is disposed at the operating surface of keyboard 10, in order to show from the data of button 21 inputs;
One mnemon 70 is in order to store character or the data of being keyed in from keyboard 10;
One power-supply unit 80 mainly provides keyboard 10 work required electric power, particularly under the situation that works offline;
And
The microcontroller (MCU) 60 of one control display according to character or the data keyed in from keyboard 10, is shown in display 50 with its content.
See also Fig. 3 again, first kind of embodiment according to computer input keyboard proposed by the invention 10, operating surface (generally speaking being meant towards user and the visual part that reaches of user) at keyboard 10 is provided with a display 50, and in order to drive the microcontroller 60 of these display 50 work, display 50 wherein is LCD screen or light-emitting diode display, and it can show dot matrix font at least.
Keyboard 10 of the present invention can carry out data input for the user under the state of off-line (promptly not online with main frame 40); Wherein the preferable enforcement means of mnemon 70 are to realize by set up internal memory in keyboard 10, in addition, also can adopt drawing out type memory card (Memory Card, as flash memory) as mnemon 70; As for power-supply unit 80, then use the power source of general battery as its work.
Under the situation of off-line, by the required electric power of power-supply unit 80 supply keyboards, 10 operations, and the character that the user is imported by keyboard 10, will be stored in the mnemon 70, treat keyboard 10 recover with main frame 40 online after, can be with the character material upload of mnemon 70 internal memories to main frame 40, provide by this a kind of can with the state of main frame 40 off-lines under carry out data input computer input keyboard 10.The process step of its work comprises as shown in Figure 3:
1. obtain the character data of keying in from standard key 20 (as letter, symbol, numeral etc.);
2. produce character code via the microcontroller 30 of keyboard corresponding to the character data of input;
3. the microcontroller 30 of keyboard is checked online state, under online state, character code reached main frame 40, main frame 40 will be deciphered processing to the character code of receiving, find out dot pattern (being the font sign indicating number) corresponding to character code, execution in step 6 then, otherwise carry out the following step;
4. the microcontroller 30 of keyboard is stored in mnemon 70 with corresponding character code;
5. the microcontroller 30 of keyboard is obtained the dot pattern (being the font sign indicating number) corresponding to character code in mnemon 70;
6. the dot pattern of obtaining is transmitted back to the microcontroller 30 of keyboard;
7. the microcontroller 30 of keyboard is passed to the microcontroller 60 of the display 50 of keyboard 10 with the dot pattern of obtaining, and the data of keying in is shown in the display 50 of keyboard 10; And
8. repetition above-mentioned steps.
And the obtained dot pattern of above-mentioned steps 5, be stored in the mnemon 70, owing to will consider the capacity problem of mnemon 70, so only the dot pattern with some basic conventional characters is stored in the mnemon 70 in advance, so that under the situation of off-line, still can in the character it be shown in the display 50 of keyboard 10 by a keyboard entry the user.The problem that can't show at display 50 that not among mnemon 70, causes for the dot pattern that solves user institute typing character, the microcontroller 30 of keyboard of the present invention is when can not find corresponding dot pattern, will substitute the character of this key entry with a default dot pattern (as general-purpose character " * "), and be shown in display 50; But the character code corresponding to typing character still can be stored in the mnemon 70, with guarantee recover with main frame 40 online after, still can with the character that the user keys in correct be uploaded to main frame 40, and do not have omission.
Because the disclosed keyboard 10 of the present invention, under the situation of off-line, can provide simple character input function, so user's all characters by a keyboard entry will be stored in the most basic character code mnemon 70 (just as the pure words form general).
When keyboard 10 recover with main frame 40 online after, its character codes in mnemon 70 are uploaded to main frame 40 work process step as shown in Figure 4, comprising:
Keyboard 10 recover with main frame 40 online after, the character codes that the microcontroller 30 of keyboard will be stored in the mnemon 70 are uploaded to main frame 40;
2. main frame 40 will be deciphered processing to the character code of receiving, find out the dot pattern (being the font sign indicating number) corresponding to character code;
3. main frame 40 is shown in the content of character code the terminating machine display of main frame 40.
And in another preferred embodiment of the present invention, the dot pattern that is prestored in the aforementioned memory cell 70, burning in advance is in mnemon 70, also can be when keyboard 10 and main frame 40 be online, upgrade by software and memory content, stored dot pattern in the internal storage location 70 is upgraded, certainly, also can pass through application software, at the frequent character code of keying in of user, stored dot pattern in the mnemon part 70 is upgraded, to reach the effect of the memory space of saving mnemon 70, the dot pattern of avoiding being of little use takies the shortcoming of the memory space of too much mnemon 70, and this relevant technology is for the people who is familiar with this technical field, be easy to realize, so do not describe in detail.
Even under the situation of off-line, utilize keyboard 10 input data, the microcontroller 30 that its character of importing also can pass through keyboard earlier produces corresponding character code, in mnemon 70, obtain dot pattern again corresponding to this character code, again dot pattern is reached the microcontroller 60 of the display 50 of keyboard 10, and the data that the user keyed in is shown in the display 50 of keyboard 10 in real time, help user's off-line operation more.
Obviously, for a person skilled in the art, under the prerequisite that does not deviate from the spirit and scope of the present invention, can make various changes and variation to the present invention.Therefore, various change of the present invention, the content that changes by appending claims and equivalent thereof contain.
Claims (6)
1. a computer input keyboard (10), can with main frame (40) off-line, in order to input data, comprising:
One standard key (20) has a plurality of buttons (21) in order to input character data;
The microcontroller of one keyboard (30) is in order to produce the character code corresponding to any described button (21);
One display (50) is disposed at the operating surface of described computer input keyboard (10);
The microcontroller (60) of the described display of one control drives the dot pattern that described display (50) shows the character that described standard key (20) is keyed in;
One mnemon (70) is in order to store described character code; And
One power-supply unit (80), in order to supply described computer input keyboard (10) running required electric power, when described keyboard (10) recovers online with described main frame (40), the microcontroller of described keyboard (30) is uploaded to described main frame (40) with the described character code that described mnemon (70) stores, receive again by described main frame (40) and pass dot pattern back corresponding to described character code, then described dot pattern is reached the microcontroller (60) of described control display, show described dot pattern in order to drive described display (50).
2. computer input keyboard according to claim 1 (10), it is characterized in that, described mnemon (70) also stores the dot pattern corresponding to described character code, when the arbitrary character of described standard key (20) input, take out dot pattern by the microcontroller (30) of described keyboard corresponding to the character of described input, by the microcontroller (60) of described control display, drive the dot pattern that described display (50) shows described character again.
3. computer input keyboard according to claim 1 (10) is characterized in that, described keyboard upgrades the described dot pattern of described mnemon (70) internal memory when recovering online with described main frame (40).
4. computer input keyboard according to claim 1 (10) is characterized in that, described mnemon (70) is built in the interior internal memory of described computer input keyboard (10) in being.
5. computer input keyboard according to claim 1 (10) is characterized in that, described mnemon (70) is the memory card of drawing out type.
6. computer input keyboard according to claim 1 (10) is characterized in that, described power-supply unit (80) is a battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031560334A CN1312561C (en) | 2003-08-27 | 2003-08-27 | Computer input keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031560334A CN1312561C (en) | 2003-08-27 | 2003-08-27 | Computer input keyboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1591295A CN1591295A (en) | 2005-03-09 |
| CN1312561C true CN1312561C (en) | 2007-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031560334A Expired - Fee Related CN1312561C (en) | 2003-08-27 | 2003-08-27 | Computer input keyboard |
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| Country | Link |
|---|---|
| CN (1) | CN1312561C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101526854B (en) * | 2008-03-04 | 2013-02-13 | 联想(北京)有限公司 | Computer and method for displaying information by computer |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5322376A (en) * | 1980-10-31 | 1994-06-21 | Canon Kabushiki Kaishi | Serial printing apparatus including an error correcting capability and having a memory |
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2003
- 2003-08-27 CN CNB031560334A patent/CN1312561C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5322376A (en) * | 1980-10-31 | 1994-06-21 | Canon Kabushiki Kaishi | Serial printing apparatus including an error correcting capability and having a memory |
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| Publication number | Publication date |
|---|---|
| CN1591295A (en) | 2005-03-09 |
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Granted publication date: 20070425 Termination date: 20110827 |