CN2684261Y - An infrared input keyboard - Google Patents
An infrared input keyboard Download PDFInfo
- Publication number
- CN2684261Y CN2684261Y CN 200420044266 CN200420044266U CN2684261Y CN 2684261 Y CN2684261 Y CN 2684261Y CN 200420044266 CN200420044266 CN 200420044266 CN 200420044266 U CN200420044266 U CN 200420044266U CN 2684261 Y CN2684261 Y CN 2684261Y
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- Prior art keywords
- infrared
- panel
- keyboard
- input keyboard
- detection device
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Abstract
An infrared input keyboard of the utility model comprises a frame, a keyboard panel installed on the frame, an infrared detecting element array parallel to and interval for a section of distance with the front side of the keyboard panel, and a detecting circuit connected with the infrared detecting element array, and used for detecting the infrared element signal and calculating and outputting the key codes. The keyboard panel is composed of a view panel, a circuit board parallel to the view panel, an indicator light installed on the circuit board, and an isolating support frame installed between the view panel and the circuit board. The infrared keyboard of the utility model is an infrared input keyboard free from touching which has low cost and high performance.
Description
Technical field
The utility model relates to a kind of infrared input keyboard.
Background technology
Keyboard has obtained using widely in many occasions as input media, and a kind of elevator keyboard as shown in Figure 1 mainly comprises framework 1, key panel 2 and relevant detection circuit.Wherein key panel 2 is by view panel 4, button 13 and be installed in the circuit board 15 that has pilot lamp 11 thereafter and form, and the inside of button 13 has electrical contact.Whether testing circuit is closed in order to detect key contacts, and this circuit can directly design and be installed on the foregoing circuit plate 15, also can be installed in separately in the framework 1.After the operator pressed button, testing circuit can detect the closure of key contacts, and it is luminous to control corresponding pilot lamp, transmitted key-press status or keyboard-coding to the upper equipment of using this keyboard simultaneously, with the operation of control elevator.
To being installed in some equipment of public place, as cash dispenser, the structure of the structure of its keyboard and principle and above-mentioned elevator keyboard is basic identical, all needs the operator to press button and operates.Yet owing to use the operator numerous, flow of personnel is big, and pressing button must touch, this as easy as rolling off a log cross-infection and propagation that causes some disease.In use simultaneously, keyboard is also easily because of touching or pushing and tarnish.
Therefore, the keyboard cheaply that can realize exempting from touch-input function is current required.
The utility model content
The purpose of this utility model is exactly in order to overcome the above problems, and existing keyboard is improved, so that a kind of keyboard that can realize exempting from touch-input function to be provided.Simultaneously, the utility model proposes improvement project, not only reduce the cost of keyboard, and improved the operability of keyboard.
The utility model is realized the technical scheme of above-mentioned purpose:
A kind of infrared input keyboard comprises framework, key panel, it is characterized in that also comprising: be installed on the framework, with the positive parallel and infrared detection device array that is spaced a distance of key panel; Link to each other the testing circuit that is used to detect the infrared components signal and calculates the output key code with above-mentioned infrared detection device array.
Described a kind of infrared input keyboard is characterized in that described distance is more than or equal to 7 millimeters.
Described a kind of infrared input keyboard is characterized in that between described infrared detection device array and key panel, also is provided with the infrared detection device array group that at least comprise one deck infrared detection device array parallel with described infrared detection device array.
Described a kind of infrared input keyboard is characterized in that also being provided with alarm device.
Described a kind of infrared input keyboard is characterized in that described key panel comprises figure or character display element.
Described a kind of infrared input keyboard is characterized in that described key panel comprises view panel.
Described a kind of infrared input keyboard is characterized in that described key panel also comprises the circuit board parallel with described view panel, is installed in pilot lamp on the circuit board, is installed in the isolation bracing frame between view panel and the circuit board.
Described a kind of infrared input keyboard is characterized in that described view panel is made up of display board, view thin slice, dianegative.
Described a kind of infrared input keyboard is characterized in that described dianegative is made of the optical material with scattering function.
Described a kind of infrared input keyboard, it is characterized in that described isolation bracing frame with the space branch between circuit board and the view panel for a plurality of separate isolated areas.
Adopt technique scheme, in conjunction with the following embodiment that will narrate, technical progress of the present utility model is that the infrared keyboard that is provided can finish various input operations under the situation that avoids touching.Meanwhile, the utility model provides a kind of low cost, high performance infrared input keyboard.
Description of drawings
Fig. 1 is the keyboard left side synoptic diagram of prior art;
Fig. 2 is the infrared key of the utility model embodiment 1 side synoptic diagram of facing left;
Fig. 3 isolates the mount structure synoptic diagram;
Fig. 4 is the infrared key of the utility model embodiment 3 side synoptic diagram of facing left;
Fig. 5 is the infrared keyboard schematic top plan view of the utility model embodiment 3;
Fig. 6 is that infrared keyboard master of the present utility model looks synoptic diagram;
Fig. 7 is a view thin slice synoptic diagram of the present utility model
Embodiment
Face left side synoptic diagram and Fig. 1 of Fig. 2 infrared key contrasted, and the technical solution of the utility model has been carried out following change and improvement:
Wherein most importantly on framework 1, increase and be provided with row's infrared detection device array 3, this infrared detection device array 3 is with the positive parallel of key panel 2 and keep at a certain distance away, have or not in order to detecting operation body (such as people's finger or one-pen) and to probe into, and measure the two-dimensional coordinate of the operating body probe into, to replace originally must touching the button of pressing that has electrical contact.The relevant detection circuit can be installed in the framework 1.
The correlation infrared touch panel of the principle of work of above-mentioned infrared detection device array 3 and prior art is similar, also be about comprising, about each the two parallel relative infrared transmitting tube of row and infrared receiving tube, as Fig. 2, Fig. 4, Fig. 5 and shown in Figure 6.The Infrared that power valve sends forms two dimensional surface grating grid, when operating body probes into grating planar when having blocked Infrared, the respective detection circuit changes according to the output signal of each infrared receiving tube, determine the planimetric coordinates of operating body, and operating body does not need to touch or touch key panel with respect to the grating grid.
If keyboard is narrow strip, have only a row or a row button, corresponding infrared detection device array also only needs to press the one dimension setting.
As shown in Figure 6, the front at key panel is provided with, draws or indicate each button 13, has determined the position and the function of each button.Here said button can be to have the entity of contact by strong, does not more usually have machinery or electrical contact, and only represents the figure or the character of key position and function.
Because the position of each button is all definite, its planimetric coordinates scope with respect to the grating grid is all determined thereupon.Like this, each button is all corresponding with different grating mesh coordinate zones respectively, and testing circuit can determine that according to detected operating body planimetric coordinates which key area operating body probes into, and converses corresponding key code or coding thereupon.Certainly, the work that above-mentioned planimetric coordinates is converted into key code or coding can be finished by the upper equipment of using this infrared keyboard.
Be provided with the each several part device according to said structure and principle of work, can provide push button signalling, promptly realized button operation and operating body need not to touch any entity according to the concrete coordinates regional that operating body probes into echelette.Infrared detection device array 3 is big more with the spacing distance of key panel 2, and the possibility that operating body and panel surface touch is more little.When above-mentioned distance during, touch promptly rare more than or equal to 7 millimeters.
In addition, look shown in the synoptic diagram as the infrared keyboard master of Fig. 6, the infrared keyboard among the embodiment also can comprise LCD 12, and this LCD 12 is installed in the top of keyboard 13, in order to submit necessary information to the operator.Certainly, the position that LCD 12 is installed can be provided with according to user's needs, such as left side, right side or the centre etc. at button 13.
In addition, can also be on the basis of above-mentioned infrared detection device array, add one deck infrared detection device array at least again, thereby form the multilayer infrared detection device array of the edge parallel perpendicular to the distribution of key panel 2 directions with infrared detection device array 3, the relevant detection circuit can according to the detection signal of sandwich type element more accurately detection computations go out the degree of depth that probes into of operating body, thereby realize the three-dimensional coordinate of operating body is surveyed, develop multiple unprecedented function on this basis.
For further prompting operation person avoids touching key panel when operating, on the framework of above-mentioned keyboard, also warning device can be installed, probe into the degree of depth when having surpassed certain numerical value when detecting operating body, the testing circuit output alarm signal is given warning device,, perhaps directly send warning message and avoid making operating body to touch key panel by signals such as sound or light by warning device with prompting operation person by LCD 13.
Another main characteristics of technical solutions of the utility model is that key panel 2 is improved, and makes the keyboard cost be minimized.
As shown in Figure 2, key panel 2 comprises view panel 4, is installed in the parallel with it circuit board in its rear portion 15, is installed in the pilot lamp 11 on the circuit board 15, and is installed in the isolation bracing frame 6 between view panel 4 and the circuit board 15.
On the above-mentioned view panel 4, printing, portrayal or hollow out have figure or the character of representing button.The function of the pilot lamp 11 corresponding with button mainly is the state for the ease of the display button operation, such as with the operation of the glittering affirmation button of light etc., therefore the button visuals should suitably transparent transmission in order to light, and the zone outside button figure or the character is opaque dark color as far as possible.
Above-mentioned isolation bracing frame 6 is not only finished the support function between view panel 4 and the circuit board 15, also according to the size and location of each button character or figure on the view panel, ring constitutes isolation frame as shown in Figure 3, the pilot lamp 11 of corresponding each button is isolated in respectively in each separate space, makes the light of pilot lamp 11 of corresponding different key can not harass mutually.In addition, in order to make the light that shines view panel 4 more even, can select vaporific light-emitting component as pilot lamp 11.
Certainly, based on above-mentioned principle, key panel 2 in this infrared input keyboard also can directly be made up of light emitting diode, LED charactron, graphics display pipeline figures or the splicing of character display element of a plurality of energy display graphics or character, or adopts the element that is similar to LED or aura display board of integrated manufacturing to constitute.At this moment, the position of aforementioned keyboard and function are all directly indicated by above-mentioned figure or character display element, no longer need to be provided with respectively view panel 4, pilot lamp 11 and isolate bracing frame 6, even circuit board 15 also can save need not.
The view panel 4 of the outer input keyboard of Different Red is not of uniform size.On large-area hard view panel 4, when printing figures or character, need bigger specialized equipment.In order further to reduce cost, improve the manufacturability of infrared input keyboard, the utility model has proposed a kind of new construction of view panel 4 again.
Shown in the infrared keyboard schematic top plan view of Fig. 5, view panel 4 is made up of transparent display board 7, view thin slice 8 and dianegative 9 successively, and dianegative 9 is pressed in view thin slice 8 on the transparent display board 7 tightly.For light evenly, dianegative 9 can be made with the material with scattering function, or its surface working is become to have the frosted shape structure of scattering function.
Certainly, view thin slice 8 also can be split as single figure or character thin slice and dark background thin slice again, and so single figure or character lamina dimensions are little, are easy to print with small device.Corresponding each button cutting or hollow out have respective window on the background thin slice of dark color, and comparable figure of window or character are bigger.Therefore, only need when mounted will printed figure or the character thin slice overlay background thin slice each window place accordingly, with display board 7 and dianegative 9 it is compressed again, can obtain the effect of integrated view thin slice.
In order to confirm button operation, also can increase a sound-producing device as hummer or loudspeaker etc. is set, when infrared components and respective detection electric circuit inspection during to button operation, the sound-producing device signal of sounding adds their confirmation, at this moment indication 11 lamps can be saved need not, and then circuit board 15 and isolate bracing frame 6 and also can save, and view panel 4 only is to establish for the position that indicates button and function, only need figure or character marking, do not need to consider the light problem.
Certainly, sound-producing device also can omit need not, simple proposal is to have only view panel 4, and circuit board 15, isolate bracing frame 6 and pilot lamp 11 can omit need not, can realize exempting from the function of touch keyboard too.
Above-mentioned testing circuit, pilot lamp, warning device and sound-producing device etc. can some or all ofly design, be installed on the circuit board 15 or in the framework 1, perhaps all in the framework outside.In a word, the design and installation of circuit can be carried out layout according to whole design of keyboard and space.
More than by embodiment the utility model is illustrated, but the utility model is not limited thereto, and is all in improvement or the replacement done without prejudice to spirit of the present utility model and content, should be regarded as belonging to protection domain of the present utility model.
Claims (10)
1, a kind of infrared input keyboard comprises framework (1), key panel (2), it is characterized in that also comprising: be installed on the framework (1), with the positive parallel and infrared detection device array (3) that is spaced a distance of key panel (2); Link to each other the testing circuit that is used to detect the infrared components signal and calculates the output key code with above-mentioned infrared detection device array (3).
2, a kind of infrared input keyboard as claimed in claim 1 is characterized in that described distance is more than or equal to 7 millimeters.
3, a kind of infrared input keyboard as claimed in claim 2, it is characterized in that between described infrared detection device array (3) and key panel (2), also being provided with the infrared detection device array group that at least comprise one deck infrared detection device array parallel with described infrared detection device array (3).
4, as claim 1 or 2 or 3 described a kind of infrared input keyboards, it is characterized in that also being provided with alarm device.
5, as claim 1 or 2 or 3 described a kind of infrared input keyboards, it is characterized in that described key panel (2) comprises figure or character display element.
6, as claim 1 or 2 or 3 described a kind of infrared input keyboards, it is characterized in that described key panel (2) comprises view panel (4).
7, a kind of infrared input keyboard as claimed in claim 6, it is characterized in that described key panel (2) also comprises the circuit board (15) parallel with described view panel (4), be installed in pilot lamp (11) on the circuit board (15), be installed in the isolation bracing frame (6) between view panel (4) and the circuit board (15).
8, a kind of infrared input keyboard as claimed in claim 7 is characterized in that described view panel (4) is made up of display board (7), view thin slice (8), dianegative (9).
9, a kind of infrared input keyboard as claimed in claim 8 is characterized in that described dianegative (9) is made of the optical material with scattering function.
10, a kind of infrared input keyboard as claimed in claim 9 is characterized in that described isolation bracing frame (6) divides the space between circuit board (15) and the view panel (4) for a plurality of separate isolated areas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420044266 CN2684261Y (en) | 2004-03-30 | 2004-03-30 | An infrared input keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420044266 CN2684261Y (en) | 2004-03-30 | 2004-03-30 | An infrared input keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2684261Y true CN2684261Y (en) | 2005-03-09 |
Family
ID=34608067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420044266 Expired - Fee Related CN2684261Y (en) | 2004-03-30 | 2004-03-30 | An infrared input keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2684261Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102214002A (en) * | 2010-04-08 | 2011-10-12 | 颜涌 | Human-machine interface input equipment operated by using light beam and interdicting way of light beam |
| CN101901055B (en) * | 2009-05-25 | 2013-08-21 | 瑞鼎科技股份有限公司 | Information input device and electronic device |
| CN104461168A (en) * | 2013-09-15 | 2015-03-25 | 联想(北京)有限公司 | Input device, method and device for determining touch positions and electronic touch equipment |
| CN112631465A (en) * | 2020-12-30 | 2021-04-09 | 中国农业银行股份有限公司 | Method and related device for processing contactless password keyboard |
| CN112927443A (en) * | 2019-12-06 | 2021-06-08 | 中国移动通信集团重庆有限公司 | Random key implementation method and device of laser matrix keyboard and upper computer |
-
2004
- 2004-03-30 CN CN 200420044266 patent/CN2684261Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101901055B (en) * | 2009-05-25 | 2013-08-21 | 瑞鼎科技股份有限公司 | Information input device and electronic device |
| CN102214002A (en) * | 2010-04-08 | 2011-10-12 | 颜涌 | Human-machine interface input equipment operated by using light beam and interdicting way of light beam |
| CN104461168A (en) * | 2013-09-15 | 2015-03-25 | 联想(北京)有限公司 | Input device, method and device for determining touch positions and electronic touch equipment |
| CN112927443A (en) * | 2019-12-06 | 2021-06-08 | 中国移动通信集团重庆有限公司 | Random key implementation method and device of laser matrix keyboard and upper computer |
| CN112631465A (en) * | 2020-12-30 | 2021-04-09 | 中国农业银行股份有限公司 | Method and related device for processing contactless password keyboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Yu Guoqing Document name: Notification of Termination of Patent Right |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |