CN103699275A - Reflective touch screen and application method thereof - Google Patents
Reflective touch screen and application method thereof Download PDFInfo
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- CN103699275A CN103699275A CN201310754529.8A CN201310754529A CN103699275A CN 103699275 A CN103699275 A CN 103699275A CN 201310754529 A CN201310754529 A CN 201310754529A CN 103699275 A CN103699275 A CN 103699275A
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Abstract
The invention relates to a reflective touch screen and an application method thereof. Each transmitter transmits light according to the preset transmitting direction, a control circuit board controls the reflectors in the preset transmitting direction to rotate sequentially so as to reflect the light to an opposite touch screen frame, and further, the control circuit board controls the reflectors in the opposite touch screen frame to reflect the light to each receiver so as to form an optical network from the transmitter to the receiver. The reflectors free of power consumption are used to replace the transmitters and receivers, the control circuit board is used to control the reflectors to reflect the light transmitted by each transmitter to form the sensing network, only a minimum of two transmitters and two receivers is needed, large touch screens only need to increase corresponding reflectors, the transmitters and the receivers in the touch screens are saved greatly, and power consumption of the touch screens is reduced.
Description
Technical field
The present invention relates to touch-screen field, particularly relate to a kind of reflective touch-screen and application process thereof.
Background technology
Nowadays, touch-screen is more and more subject to users' welcome, and touch-screen is quick on the draw with it, easily operation, thereby extensively popularized.
General touch-screen, by being set respectively in touch-screen frame both sides, transmitter and corresponding receiver realize the touch-control sensing of touch-screen, the transmitter of the required setting of touch-screen that identification precision is higher and corresponding receiver are more, for example: the object of the identification 5mm of need 100%, distance between the transmitter center of touch-screen frame homonymy must be at 5mm, otherwise just there is erroneous judgement to the identification thing of 5mm in some region, this kind causes at least needing on the circuit control panel of 1 meter of length the receiver of 200 transmitters and respective amount, so just cause the required power consumption of touch-screen that identification precision is higher larger, increased the cost of touch-screen.
Summary of the invention
Based on this, being necessary, for the required larger problem of power consumption of the higher touch-screen of identification precision, provides reflective touch-screen and application process thereof that a kind of required power consumption is less.
A reflective touch-screen, comprises touch-screen frame, at least 2 transmitters, at least 2 receivers and control circuit board;
Described transmitter lays respectively at two jiaos an of side of described touch-screen frame, described receiver lays respectively at two jiaos of opposite side of described touch-screen frame, described control circuit board is connected with described touch-screen frame, wherein, described touch-screen frame consists of reflection bar, described reflection bar comprises a plurality of reverberations, and described reverberation is for forming the object of mirror-reflection, and described control circuit board is controlled described reverberation and rotated according to predetermined angular;
Described transmitter is according to predetermined transmit direction utilizing emitted light, the reverberation that described control circuit board is controlled on predetermined transmit direction rotates the touch-screen frame that described light is reflexed to opposite successively, and the reverberation that described control circuit board is controlled in the touch-screen frame on described opposite reflexes to receiver by described light.
A reflective touch-screen applications method, the reflective touch-screen for described, comprises step:
Start described reflective touch-screen, by described transmitter according to predetermined transmit direction utilizing emitted light;
The reverberation of controlling on predetermined transmit direction according to preset program by described control circuit board rotates the touch-screen frame that described light is reflexed to opposite successively, and the reverberation that described control circuit board is controlled in the touch-screen frame on described opposite reflexes to receiver by described light.
Above-mentioned reflective touch-screen and application process thereof, by described transmitter according to predetermined transmit direction utilizing emitted light, the reverberation that described control circuit board is controlled on predetermined transmit direction rotates the touch-screen frame that described light is reflexed to opposite successively, further, the reverberation that described control circuit board is controlled in the touch-screen frame on described opposite reflexes to receiver by described light, forms the light net from described transmitter to described receiver.Adopt the reverberation of idle to substitute transmitter and receiver, the light that utilizes control circuit board to control the transmitting of reverberation reflection transmitter forms induction net, two transmitters of minimum needs and two receivers, touch-screen for giant-screen also only needs corresponding increase reverberation, save greatly transmitter and the receiver in touch-screen, thereby reduced touch-screen power consumption.
Accompanying drawing explanation
Fig. 1 is the structural drawing of reflective one of them embodiment of touch-screen;
Fig. 2 is the method flow diagram of reflective one of them embodiment of touch-screen applications method;
Fig. 3 is the wherein method flow diagram of another embodiment of reflective touch-screen applications method.
Embodiment
As shown in Figure 1, a kind of reflective touch-screen, comprises 120, at least 2 receivers 130 of 110, at least 2 transmitters of touch-screen frame and control circuit board 140;
Described transmitter 120 lays respectively at two jiaos an of side of described touch-screen frame 110, described receiver 130 lays respectively at two jiaos of opposite side of described touch-screen frame 110, described control circuit board 140 is connected with described touch-screen frame 110, wherein, described touch-screen frame 110 consists of reflection bar 112, described reflection bar comprises a plurality of reverberations, and described reverberation is for forming the object of mirror-reflection, and described control circuit board 140 is controlled described reverberation and rotated according to predetermined angular;
Described transmitter 120 is according to predetermined transmit direction utilizing emitted light, the reverberation that described control circuit board 140 is controlled on predetermined transmit direction rotates the touch-screen frame 110 that described light is reflexed to opposite successively, further, reverberation in the touch-screen frame 110 on the described control circuit board 140 described opposites of control reflexes to receiver 130 by described light, the light net of formation from described transmitter 120 to described receiver 130, spacing in the mesh-density of described light net and described reflection bar between reverberation is inversely proportional to, the reverberation that described control circuit board 140 controls do not participate in mirror-reflection does not block described light.
In the present embodiment, described transmitter 120 is the equipment of emission of light or light beam, and described receiver 130 is the corresponding radiative equipment of described transmitter 120 that receives.Described transmitter 120 and receiver 130 have two at least, when described when being emitted as 2, described receiver 130 and being 2, described transmitter 120 lays respectively at two jiaos of described touch-screen frame 110 1 sides, and described receiver 130 lays respectively at two jiaos of described touch-screen frame 110 opposite sides.When described transmitter 120 and described receiver 130 are all greater than 2, guarantee that two jiaos of described touch-screen frame 110 1 sides have a transmitter 120 at least, two jiaos of described touch-screen frame 110 opposite sides have a receiver 130 at least.Described touch-screen frame 110 consists of reflection bar, described reflection bar comprises a plurality of reverberations, described reverberation is for forming the object of mirror-reflection, described control circuit board 140 is controlled described reverberation and is rotated according to predetermined angular, described control circuit board 140 is connected with described touch-screen frame 110, the reverberation of controlling in described reflection bar rotates the touch-screen frame 110 that the light that described transmitter 120 is launched according to predetermined transmit direction reflexes to opposite successively, further, reverberation in the touch-screen frame 110 on the described control circuit board 140 described opposites of control reflexes to receiver 130 by described light, the light net of formation from described transmitter 120 to described receiver 130.The spacing of described reverberation in reflection bar is less, the mesh-density of the described light net that described reverberation transmitting forms is larger, described reflective touch-screen precision is higher, otherwise, the spacing of described reverberation in reflection bar is larger, the mesh-density of the described light net that described reverberation transmitting forms is less, and described reflective touch-screen precision is lower.Described reverberation can also be made into less mirror-reflection plane, guarantees that the reflective touch-screen of equal size can be installed more reverberation, makes the touch-screen precision of equal size higher.Described predetermined transmit direction is the direction of predefined transmitter 120 emission of lights of program, described touch-screen frame 110 is the transmitter 120 of two jiaos on one side, wherein the transmitter 120 of a jiao is along touch-screen frame 110 utilizing emitted lights in horizontal direction, and the transmitter 120 at another angle is synchronously along touch-screen frame 110 utilizing emitted lights on vertical direction.Described predetermined angular is the rotating range of the described reverberation of described control circuit board 140 Programs settings, utilizes light reflection principle can control described light reflection to the touch-screen frame 110 on opposite.Described reflective touch-screen can also be take touch-screen horizontal direction as X-axis, vertical direction is that Y-axis builds coordinate plane, if reflected light is blocked by touch point, described touch point has blocked X-axis and Y-axis glazing, can determine according to the intersection of X-axis and Y-axis the coordinate of described touch point, and then determine the position of described touch point.
Take describedly while being emitted as 2, described receiver 130 as 2, described transmitter 120 lays respectively at two jiaos, one side of described touch-screen frame 110, and two jiaos of the residues that described receiver 130 lays respectively at described touch-screen frame 110 are example.Described transmitter 120 is simultaneously along predetermined direction emission of light, described control circuit board 140 is controlled reverberation and is rotated successively the touch-screen frame 110 that light is reflexed to opposite, reverberation on the touch-screen frame 110 on described opposite is under the control of described control circuit board 140, light reflection, to receiver 130, is formed to the light crossing net on horizontal direction and vertical direction on described reflective touch-screen.
Above-mentioned reflective touch-screen, by described transmitter according to predetermined transmit direction utilizing emitted light, the reverberation that described control circuit board is controlled on predetermined transmit direction rotates the touch-screen frame that described light is reflexed to opposite successively, further, the reverberation that described control circuit board is controlled in the touch-screen frame on described opposite reflexes to receiver by described light, forms the light net from described transmitter to described receiver.Adopt the reverberation of idle to substitute transmitter and receiver, the light that utilizes control circuit board to control the transmitting of reverberation reflection transmitter forms induction net, two transmitters of minimum needs and receiver, touch-screen at giant-screen also only needs corresponding increase reverberation, save greatly transmitter and the receiver in touch-screen, thereby reduced touch-screen power consumption.
Therein in an embodiment, described reflective touch-screen, also comprises in the described reflection bar of the control being connected with described control circuit board the reverberation control knob of rotational speed successively.In the present embodiment, can also be by regulating the described control knob be connected with described control circuit board to control in described reflection bar reverberation rotational speed successively, described rotational speed is faster, and it is faster that the touch-control of described reflective touch-screen reacts.
Therein in an embodiment, described reflective touch-screen, the central shaft of described reverberation is fixed on described reflection bar, and described control circuit board is controlled described central shaft and is driven described reverberation rotation.In the present embodiment, the central shaft of preferred described reverberation is fixed on described reflection bar, and described control circuit board is controlled described central shaft and driven described reverberation rotation.
Therein in an embodiment, described reflective touch-screen, described control circuit board controls that not participate in the reverberation of mirror-reflection parallel with described predetermined transmit direction.In the present embodiment, the reverberation that described control circuit board control does not participate in mirror-reflection is parallel with described predetermined transmit direction, can guarantee that described reverberation does not block the light of transmitter transmitting, avoids the reverberation that does not participate in mirror-reflection to block described light.
Therein in an embodiment, described reflective touch-screen, the spacing in the reflection bar of described touch-screen frame between reverberation is even.In the present embodiment, in the reflection bar of described touch-screen frame, the spacing between reverberation can evenly also can be inhomogeneous.When spacing in the reflection bar of described touch-screen frame between reverberation is inhomogeneous, reverberation in reflection bar can be distributed in reflection bar center loose, both sides, reflection bar both sides position distribution is intensive, thereby improves the touch sensitivity of position, described reflective touch-screen both sides.Can also the reverberation in reflection bar is densely distributed in reflection bar center, both sides, reflection bar both sides position distribution is loose, thereby improves the touch sensitivity in described reflective touch-screen centre position.In specific embodiment, in order to form the light net of even big or small grid, can the reflection bar of preferred described touch-screen frame in reverberation installing space even.
Therein in an embodiment, described reflective touch-screen, the described reverberation quantity in the reflection bar of described touch-screen frame both sides is identical.In the present embodiment, the described reverberation quantity in the reflection bar of described touch-screen frame both sides can be not identical, as long as guarantee that the light that touches frame one lateral reflection can be reflected onto described receiver at the opposite side that touches frame.The both sides of described touch-screen frame are mutually corresponding both sides.But in the consideration that makes full use of to reverberation, the described reverberation quantity in the reflection bar of preferred described touch-screen frame both sides is identical.
Therein in an embodiment, described reflective touch-screen, described transmitter is infrared transmitter, described receiver is infrared light receiver.In the present embodiment, preferred described transmitter is infrared transmitter, and described receiver is infrared light receiver.
As shown in Figure 2, a kind of reflective touch-screen applications method, the reflective touch-screen for described, comprises step:
Step S110, starts described reflective touch-screen, by described transmitter according to predetermined transmit direction utilizing emitted light;
Step S120, the reverberation of controlling on predetermined transmit direction according to preset program by described control circuit board rotates the touch-screen frame that described light is reflexed to opposite successively, and the reverberation that described control circuit board is controlled in the touch-screen frame on described opposite reflexes to receiver by described light.
In the present embodiment, described transmitter lays respectively at two jiaos, one side of described touch-screen frame, and two jiaos of the residues that described receiver lays respectively at described touch-screen frame are example.Described transmitter is simultaneously along predetermined direction emission of light, described control circuit board is controlled reverberation and is rotated successively the touch-screen frame that light is reflexed to opposite, reverberation on the touch-screen frame on described opposite is under the control of described control circuit board, light reflection, to receiver, is formed to the light crossing net on horizontal direction and vertical direction on described reflective touch-screen.
The application process of above-mentioned reflective touch-screen, by described transmitter according to predetermined transmit direction utilizing emitted light, the reverberation that described control circuit board is controlled on predetermined transmit direction rotates the touch-screen frame that described light is reflexed to opposite successively, further, the reverberation that described control circuit board is controlled in the touch-screen frame on described opposite reflexes to receiver by described light, forms the light net from described transmitter to described receiver.Adopt the reverberation of idle to substitute transmitter and receiver, the light that utilizes control circuit board to control the transmitting of reverberation reflection transmitter forms induction net, two transmitters of minimum needs and receiver, touch-screen at giant-screen also only needs corresponding increase reverberation, save greatly transmitter and the receiver in touch-screen, thereby reduced touch-screen power consumption.
As shown in Figure 3, in an embodiment, described reflective touch-screen applications method also comprised step before described step S110 therein:
Step S130, presets the rotational speed that reverberation rotates successively.
In the present embodiment, can also be by regulating the described control knob be connected with described control circuit board to control in described reflection bar reverberation rotational speed successively, described rotational speed is faster, and it is faster that the touch-control of described reflective touch-screen reacts.
Therein in an embodiment, described reflective touch-screen applications method, in the process of controlling at control panel, described control circuit board controls that not participate in the reverberation of mirror-reflection parallel with described predetermined transmit direction.In the present embodiment, the reverberation that described control circuit board control does not participate in mirror-reflection is parallel with described predetermined transmit direction, can guarantee that described reverberation does not block the light of transmitter transmitting, avoids the reverberation that does not participate in mirror-reflection to block described light.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make a plurality of distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a reflective touch-screen, is characterized in that, comprises touch-screen frame, at least 2 transmitters, at least 2 receivers and control circuit board;
Described transmitter lays respectively at two jiaos an of side of described touch-screen frame, described receiver lays respectively at two jiaos of opposite side of described touch-screen frame, described control circuit board is connected with described touch-screen frame, wherein, described touch-screen frame consists of reflection bar, described reflection bar comprises a plurality of reverberations, and described reverberation is for forming the object of mirror-reflection, and described control circuit board is controlled described reverberation and rotated according to predetermined angular;
Described transmitter is according to predetermined transmit direction utilizing emitted light, the reverberation that described control circuit board is controlled on predetermined transmit direction rotates the touch-screen frame that described light is reflexed to opposite successively, and the reverberation that described control circuit board is controlled in the touch-screen frame on described opposite reflexes to receiver by described light.
2. reflective touch-screen according to claim 1, is characterized in that, also comprises in the described reflection bar of the control being connected with described control circuit board the reverberation control knob of rotational speed successively.
3. reflective touch-screen according to claim 1 and 2, is characterized in that, the central shaft of described reverberation is fixed on described reflection bar, and described control circuit board is controlled described central shaft and driven described reverberation rotation.
4. reflective touch-screen according to claim 1 and 2, is characterized in that, the reverberation that described control circuit board control does not participate in mirror-reflection is parallel with described predetermined transmit direction.
5. reflective touch-screen according to claim 1 and 2, is characterized in that, the spacing in the reflection bar of described touch-screen frame between reverberation is even.
6. reflective touch-screen according to claim 1 and 2, is characterized in that, the described reverberation quantity in the reflection bar of described touch-screen frame both sides is identical.
7. reflective touch-screen according to claim 1 and 2, is characterized in that, described transmitter is infrared transmitter, and described receiver is infrared light receiver.
8. a reflective touch-screen applications method, the reflective touch-screen for as described in claim 1-7 any one, is characterized in that, comprises step:
Start described reflective touch-screen, by described transmitter according to predetermined transmit direction utilizing emitted light;
The reverberation of controlling on predetermined transmit direction according to preset program by described control circuit board rotates the touch-screen frame that described light is reflexed to opposite successively, and the reverberation that described control circuit board is controlled in the touch-screen frame on described opposite reflexes to receiver by described light.
9. reflective touch-screen applications method according to claim 8, is characterized in that, is starting described reflective touch-screen, by described transmitter, according to the radiative step of predetermined transmit direction, also comprises step before:
Preset the rotational speed that reverberation rotates successively.
10. reflective touch-screen applications method according to claim 8 or claim 9, is characterized in that, in the process of controlling at control panel, described control circuit board controls that not participate in the reverberation of mirror-reflection parallel with described predetermined transmit direction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310754529.8A CN103699275A (en) | 2013-12-31 | 2013-12-31 | Reflective touch screen and application method thereof |
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| CN201310754529.8A CN103699275A (en) | 2013-12-31 | 2013-12-31 | Reflective touch screen and application method thereof |
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| CN105786267A (en) * | 2016-02-19 | 2016-07-20 | 京东方科技集团股份有限公司 | Photosensitive reflecting mirror, laser-induced touch device and laser touch detection method |
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Application publication date: 20140402 |