CN101013346A - Non-contact holographic keyboard apparatus with function of secrecy, sanitation - Google Patents
Non-contact holographic keyboard apparatus with function of secrecy, sanitation Download PDFInfo
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- CN101013346A CN101013346A CN 200710026267 CN200710026267A CN101013346A CN 101013346 A CN101013346 A CN 101013346A CN 200710026267 CN200710026267 CN 200710026267 CN 200710026267 A CN200710026267 A CN 200710026267A CN 101013346 A CN101013346 A CN 101013346A
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Abstract
The invention discloses a confidential, cleaning function non-contact holographic keyboard device, including virtual region, control unit, and display device, and virtual region forming a surface and including a number of virtual buttons, and the control unit connecting with the display device, around the virtual region installed with multiple pairs mutual matching launch sensors and receiving sensors, and in each pair launch sensor and receiving sensor, the receiving sensor receives the signal issued by the launch sensor, and the receiving sensor output connecting with the control unit, and the launch sensors of the arbitrary two pairs launch sensors and receiving sensors issues the signals at the junction corresponding to a virtual button of the said virtual region, and one output signal of the control unit respectively drives each launch sensors through a signal amplification driver circuit. Due to the above circuit structure, the invention has advantages of high safe performance, non-contact, clean health, long life, and others.
Description
Technical field
The present invention relates to a kind of keyboard equipment, specifically, relate to a kind of untouchable holographic keyboard apparatus secret, clean-keeping function that has.
Background technology
Keyboard on the market generally all is a contact at present, and be comprehensive visual, limited by access times, this class keyboard is unfavorable for using some have the environment of requirement to clean degree or secrecy under, more be unsuitable under rugged surroundings, using, for example chemical workshop is corroded above-mentioned keyboard easily, quickens it and wears out.Also occurred some optical keyboard on the market, with its keyboard in the plane, can reduce the destruction of rugged surroundings, but these optical keyboard also have been the buttons of contact, in the time of operation keyboard has also been caused pollution it as projection.And so-called in the market sealing " durable " keyboard is promptly a kind of with the plastic cement sealing, by application of force deformation plastic cement, make the internal mechanical button obtain triggering, but long-term deformation meeting is broken plastic cement, thereby this keyboard does not reach durable performance.
In addition because existing keyboard is comprehensive visual, so other people can be clear that the password importer by each key, to the secret environment that requirement is arranged,, be to be easy to be snatched password ground by other people such as cipher inputting keyboard.
Summary of the invention
Technical matters to be solved by this invention provide a kind ofly integrate durable, keep a public place clean, the untouchable holographic keyboard apparatus of function of keeping secret.
In order to solve the problems of the technologies described above, the present invention has adopted following technical scheme:
A kind of have secret, the untouchable holographic keyboard apparatus of clean-keeping function, comprise virtual region, control module, display device, described virtual region forms a surface and includes a plurality of virtual keys, control module is electrically connected display device, it is characterized in that: many emission inductors to cooperatively interacting are housed around described virtual region, receive inductor, a pair of emission inductor in office, receive in the inductor all is to receive the signal that inductor receives its emission inductor emission, the output terminal that receives inductor is electrically connected control module, wantonly two pairs of emission inductors, receive a virtual key of the corresponding described virtual region of intersection of the signal that the emission inductor in the inductor sent, an output signal of described control module drives each emission inductor respectively after by a signal amplification driving circuit.
Described part emission inductor is contained in the virtual region left side, thereby its pairing reception inductor be contained in the virtual region right side and corresponding one by one form many to the emission inductor that matches, receive inductors, another part is launched inductor and is contained in below the described virtual region, and its pairing reception inductor is contained in described virtual region top and many emission inductor, the reception inductors to matching of corresponding one by one formation.
Described control module is that model is the single-chip microcomputer of ATMEGA48V.
Described emission inductor is an infrared transmitting tube, and described reception inductor is an infrared receiving tube.
Described signal amplification driving circuit is a triode, and infrared transmitting tube is electrically connected with the emitter of this triode respectively.
Described display device is digital display tube.
The surface that described virtual region forms is present on the fixed position.
Owing to adopted the foregoing circuit structure, by having formed virtual region, can see keyboard so only be in the talent of key position by holographic technique, other positions be can't see, so security performance height of the present invention; Secondly, operating personnel need not to meet anything in the operation engineering, have also kept the clean of operation finger when keeping keyboard clean, so that the present invention has is untouchable, the advantage of clean hygiene; In addition, the present invention is owing to be untouchable operation, thus make this key board unit can be as the contact keyboard easy wearing out, all components and parts are all salable, and are isolated with operating environment, so need not consider environment when using, it uses long service life, and is durable.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
That Fig. 1 is that the present invention has is secret, the circuit block diagram of the untouchable holographic keyboard apparatus of clean-keeping function.
That Fig. 2 is that the present invention has is secret, the workflow diagram of the untouchable holographic keyboard apparatus of clean-keeping function.
That Fig. 3 is that the present invention has is secret, the holographic dry plate recorded information light path synoptic diagram of the untouchable holographic keyboard apparatus of clean-keeping function.
Fig. 4 is the reduction figure of light path synoptic diagram shown in Figure 3.
Embodiment
As shown in Figure 1, it to be that the present invention has secret, the circuit block diagram of the untouchable holographic keyboard apparatus of clean-keeping function.A kind of have a untouchable holographic keyboard apparatus secret, clean-keeping function, comprise virtual region 1, control module 2, display device 6, virtual region 1 forms a surface and includes a plurality of virtual keys, virtual key is as " 1,2,3,4,5,6,7,8,9 " or the like, wherein the surface of this virtual region 1 formation is present on the fixed position, control module 2 is electrically connected display device 6, and this display device 6 can adopt digital display tube.Many emission inductors 3 to cooperatively interacting are housed around virtual region 1, receive inductor 4, wherein launching inductor 3 is infrared transmitting tubes, receiving inductor 4 is infrared receiving tubes, arbitrary infrared transmitting tube to cooperating, in the infrared receiving tube, it all is the infrared light that infrared transmitting tube is launched characteristic frequency, infrared receiving tube receives this infrared light then, wantonly two pairs of infrared transmitting tubes, a virtual key of the corresponding described virtual region 1 of the intersection of the signal that infrared transmitting tube sent in the infrared receiving tube, for example, virtual key " 4 " is located in infrared transmitting tube e, the position of the signal intersection of infrared transmitting tube a, one output signal of control module 2 drives each infrared transmitting tube respectively after by a signal amplification driving circuit 5, wherein this signal amplification driving circuit 5 is triodes, the triode of 9014 models for example, above-mentioned each infrared transmitting tube is electrically connected with the emitter of this triode respectively.Referring to Fig. 1, infrared transmitting tube d, e, f is contained in virtual region 1 left side, its pairing infrared receiving tube D, E, F is contained in virtual region 1 right side, wherein the corresponding formation with infrared receiving tube D of infrared transmitting tube d is a pair of, the corresponding formation with infrared receiving tube E of infrared transmitting tube e is a pair of, the corresponding formation with infrared receiving tube F of infrared transmitting tube f is a pair of, infrared transmitting tube a, b, c is contained in described virtual region 1 below, its pairing infrared receiving tube A, B, C is contained in described virtual region 1 top, wherein the corresponding formation with infrared receiving tube A of infrared transmitting tube a is a pair of, the corresponding formation with infrared receiving tube B of infrared transmitting tube b is a pair of, and the corresponding formation with infrared receiving tube C of infrared transmitting tube c is a pair of.In addition, infrared transmitting tube a, b, c, d, e, f is the infrared light of the 38k frequency sent, infrared receiving tube A, B, C, D, E, F receives the infrared light of said frequencies, wherein the output terminal of infrared receiving tube A connects the 1st pin of control module 2, the output terminal of infrared receiving tube B connects the 2nd pin of control module 2, the output terminal of infrared receiving tube C connects the 3rd pin of control module 2, the output terminal of infrared receiving tube D connects the 4th pin of control module 2, the output terminal of infrared receiving tube E connects the 5th pin of control module 2, and the output terminal of infrared receiving tube F connects the 6th pin of control module 2.Control module 2 is that model is the single-chip microcomputer of ATMEGA48V, certainly, adopts the single-chip microcomputer of other model also passable.
As shown in Figure 2, it to be that the present invention has secret, the untouchable holographic keyboard apparatus workflow diagram of clean-keeping function.At first, a certain pin of control module 2 sends characteristic frequency, is for example sent the frequency of 38K hertz by its 19th pin, amplifies through signal amplification driving circuit 5, drives emission inductor 3 and sends signal; Control module 2 scanning respective pin voltages have judged whether actuation of keys then; If actuation of keys is arranged, the two couples emission inductor 3 that cooperates with respective keys, two reception inductors 4 that receive in the inductor 4 do not receive infrared signal, output specific voltage ∪ is to control module 2, this voltage ∪ can be set at 5V, it is above-mentioned specific voltage ∪ that control module 2 detects the pin that is connected with above-mentioned two reception inductors 4, and which two pin judges be, thereby received code accordingly, and make and receive the corresponding corresponding output code of code, output code made and the corresponding pin output of the output terminal high level of control module 2 showed thereby can drive display device 6 this moment; If there is not actuation of keys, each receives inductor 4 output specific voltage ∨ to control module 2, and this voltage ∪ can be set at 0.8V, and what promptly control module 2 obtained is low level signal, shows so it can't drive display device 6.
Holographic dry plate 16 as shown in Figure 3 is a kind of glass sheet that scribble photochromics on the surface, it is near the light wave sensitivity the 632.8nm, utilize this characteristic, a three-dimensional or two-dimensional bodies self information can be recorded on the holographic dry plate 16, when the conjugate beam with reference light shines this holographic dry plate 16, can be in situ with original information recovery, referring to Fig. 4.
As shown in Figure 3, be divided into two-way behind the laser process transmitting mirror 8 that laser instrument 7 is launched, the spectroscope 9, wherein one the tunnel behind beam expanding lens 11, frosted glass 13, film egative film 15, shine on the holographic dry plate 16, this road light is as thing light, another road shines on the holographic dry plate 16 behind transmitting mirror 10, beam expanding lens 12, convex lens 14, and this road light is as reference light.Wherein film egative film 15 is exactly the object keyboard, and its part that word is arranged is transparent, and peripheral part is deceived, and light tight, frosted glass 13 is to be placed between film egative film 15 and the beam expanding lens 11, and light is through passing through film egative film 15 again after the frosted glass 13, the film can be any to the distance of holographic dry plate 16, be made as x, reference light and thing optic angle degree can be any, are made as θ, after process light exposes to the sun, holographic dry plate 16 has write down the information of film egative film 15, and after handling through liquid medicine, holographic dry plate 16 can use.As shown in Figure 4, reference light direction when dotted line is record, during recovery, with the conjugate beam of reference light during according to holographic dry plate 16, be that the laser launched of laser instrument 17 shines on the holographic dry plate 16 after through beam expanding lens 18, convex lens 19, original information just has been presented on original position, can form virtual region 1 in original place of placing film egative film 15.
The course of work of the present invention is as follows: several around the virtual region 1 are intersected in length and breadth to infrared transmitting tube, infrared receiving tube, corresponding one by one, do not having under the situation of actuation of keys, one end infrared transmitting tube sends infrared light, penetrates on the infrared receiving tube of side, for example, infrared transmitting tube a sends infrared light, penetrate on the infrared receiving tube A of side, this infrared receiving tube receives infrared light, provides low level signal; When actuation of keys, when promptly having object to be in the key position, cutting off infrared light passes through, two infrared receiving tubes in length and breadth do not receive infrared light, send high level signal, signal reaches control module 2 and handles, drive the numerical value that display device 6 shows related key, for example, when finger is pressed the position of the button " 5 " on virtual region 1, stopped infrared receiving tube B, E receives infrared light, thereby these two infrared receiving tubes are exported 5V voltage respectively to the 2nd of control module 2, on 5 pins, this moment, control module 2 detected the 2nd, 5 pins have high level, obtain receiving code " 0 * 89 ", correspond to output code, output code makes that certain several output pin of control module 2 are high voltage, thereby it is shinny to drive digital display tube, and this moment, digital display tube can demonstrate numeral " 5 ".In addition, the present invention only need provide the 5v direct supply, to the working environment no requirement (NR).
In a word,, should illustrate that obviously those skilled in the art can carry out various variations and remodeling though the present invention has exemplified above-mentioned preferred implementation.Therefore, unless such variation and remodeling have departed from scope of the present invention, otherwise all should be included within protection scope of the present invention.
Claims (7)
1, a kind of have secret, the untouchable holographic keyboard apparatus of clean-keeping function, comprise virtual region (1), control module (2), display device (6), described virtual region (1) forms a surface and includes a plurality of virtual keys, control module (2) is electrically connected display device (6), it is characterized in that: many emission inductors (3) to cooperatively interacting are housed all around at described virtual region (1), receive inductor (4), a pair of emission inductor in office (3), receive in the inductor (4) all is to receive the signal that inductor (4) receives its emission inductor (3) emission, the output terminal that receives inductor (4) is electrically connected control module (2), wantonly two pairs of emission inductors (3), receive a virtual key of the corresponding described virtual region of intersection (1) of the signal that the emission inductor (3) in the inductor (4) sent, an output signal of described control module (2) drives each respectively after by a signal amplification driving circuit (5) and launches inductor (3).
2, untouchable holographic keyboard apparatus according to claim 1, it is characterized in that: described part emission inductor (3) is contained in virtual region (1) left side, its pairing reception inductor (4) is contained in virtual region (1) thereby right side and correspondingly one by one form many emission inductors (3) to matching, receive inductor (4), another part is launched inductor (3) and is contained in described virtual region (1) below, and its pairing reception inductor (4) is contained in described virtual region (1) top and the many emission inductors (3) to matching of corresponding one by one formation, receive inductor (4).
3, untouchable holographic keyboard apparatus according to claim 1 and 2 is characterized in that: described control module (2) is that model is the single-chip microcomputer of ATMEGA48V.
4, untouchable holographic keyboard apparatus according to claim 3 is characterized in that: described emission inductor (3) is an infrared transmitting tube, and described reception inductor (4) is an infrared receiving tube.
5, untouchable holographic keyboard apparatus according to claim 4 is characterized in that: described signal amplification driving circuit (5) is a triode, and infrared transmitting tube is electrically connected with the emitter of this triode respectively.
6, untouchable holographic keyboard apparatus according to claim 1 and 2 is characterized in that: described display device (6) is digital display tube.
7, untouchable holographic keyboard apparatus according to claim 1 and 2 is characterized in that: the surface that described virtual region (1) forms is present on the fixed position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100262678A CN100492263C (en) | 2007-01-12 | 2007-01-12 | Non-contact holographic keyboard apparatus with function of secrecy, sanitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100262678A CN100492263C (en) | 2007-01-12 | 2007-01-12 | Non-contact holographic keyboard apparatus with function of secrecy, sanitation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101013346A true CN101013346A (en) | 2007-08-08 |
| CN100492263C CN100492263C (en) | 2009-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100262678A Expired - Fee Related CN100492263C (en) | 2007-01-12 | 2007-01-12 | Non-contact holographic keyboard apparatus with function of secrecy, sanitation |
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| Country | Link |
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| CN (1) | CN100492263C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012126193A1 (en) * | 2011-03-22 | 2012-09-27 | 中兴通讯股份有限公司 | Method and device for generating image keyboard |
| CN103049083A (en) * | 2012-12-17 | 2013-04-17 | 深圳市世纪天河科技有限公司 | Method and system for controlling virtual holographic input and output |
| CN108762513A (en) * | 2018-03-16 | 2018-11-06 | 中国海洋大学 | A kind of holography keyboard-display unit |
-
2007
- 2007-01-12 CN CNB2007100262678A patent/CN100492263C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012126193A1 (en) * | 2011-03-22 | 2012-09-27 | 中兴通讯股份有限公司 | Method and device for generating image keyboard |
| CN103049083A (en) * | 2012-12-17 | 2013-04-17 | 深圳市世纪天河科技有限公司 | Method and system for controlling virtual holographic input and output |
| WO2014094369A1 (en) * | 2012-12-17 | 2014-06-26 | 深圳市世纪天河科技有限公司 | Virtual holographic input and output control method and system |
| CN103049083B (en) * | 2012-12-17 | 2016-08-17 | 深圳市世纪天河科技有限公司 | A kind of virtual hologram input and output control method and system |
| CN108762513A (en) * | 2018-03-16 | 2018-11-06 | 中国海洋大学 | A kind of holography keyboard-display unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100492263C (en) | 2009-05-27 |
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Granted publication date: 20090527 Termination date: 20120112 |