CN103558949A - Infrared touch screen, method and system for suspension touch control - Google Patents
Infrared touch screen, method and system for suspension touch control Download PDFInfo
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- CN103558949A CN103558949A CN201310557283.5A CN201310557283A CN103558949A CN 103558949 A CN103558949 A CN 103558949A CN 201310557283 A CN201310557283 A CN 201310557283A CN 103558949 A CN103558949 A CN 103558949A
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Abstract
The invention discloses an infrared touch screen, a method and a system for suspension touch control. The infrared touch screen comprises an infrared emitting tube, an infrared receiving tube, a first reflector, a second reflector, a first lens and a second lens, wherein after an infrared light emitted by the infrared emitting tube is reflected by the first reflector, a part of reflected light is clung to a plane of a touch screen, is emitted to the second reflector and is reflected to the infrared receiving tube by the second reflector; the other part of the reflected light is emitted to the first lens and is refracted to an area above the touch screen by the first lens; and when an obstruction reaches the area above the touch screen, the refracted light is diffused to the second lens by the obstruction, and the diffused light is refracted to the second reflector by the second lens and is reflected to the infrared receiving tube by the second reflector. According to the invention, the suspension touch control and touch control for the infrared touch screen are realized by the reflector and lens.
Description
Technical field
The present invention relates to touch technology field, specially refer to the method and system of infrared touch panel, suspension touch-control.
Background technology
Suspension touch technology refers to when user uses touch-screen, without touching screen, just can complete touch operation, and hand maintains a certain distance movement above screen, just can obtain the operation that similar mouse moves.Current suspension touch technology is realized based on capacitive touch screen, application mutual capacitance and these two kinds of capacitance type sensors of self-capacitance are worked simultaneously, mutual capacitance is for realizing traditional multi-point touch, and self-capacitance can produce the signal stronger than mutual capacitance, to detect distant finger induction.But this suspension touch technology cannot be applied on infrared touch panel.As shown in Figure 1, because existing infrared touch technology adopts at touch-screen 101 surrounding installation infrared power valve 102 and infrared receiving tubes 103, they form orthogonal infrared emission and infrared receiving array in same plane according to mapping relations one to one, when shelter 108(is as finger) when being suspended in this plane top, can't stop the infrared beam between infrared transmitting tube 102 and infrared receiving tube 103, so can't produce touch signal, cannot realize suspension touch-control.
Summary of the invention
Fundamental purpose of the present invention, for the method and system of a kind of infrared touch panel, suspension touch-control is provided, can realize the suspension touch-control of infrared touch panel.
The present invention proposes a kind of infrared touch panel, comprise be arranged on touch-screen surrounding a plurality of infrared transmitting tubes and with described infrared transmitting tube infrared receiving tube one to one, described infrared transmitting tube and infrared receiving tube are separately positioned on the relative dual-side of described touch-screen, also comprise the first catoptron and the first lens that are arranged on the same side with described infrared transmitting tube, and be arranged on the second catoptron and second lens of the same side with described infrared receiving tube; The infrared light of described infrared transmitting tube transmitting is after described the first catoptron reflection, and a part of reflected light is close to the second catoptron described in the plane directive of described touch-screen place, through described the second catoptron, reflexes to described infrared receiving tube; First lens described in another part reflected light directive, refracts to described touch-screen upper area through described first lens; When shelter arrives described touch-screen upper area, refract light, diffuses through described the second lens reflection to described the second catoptron to described the second lens through described shelter diffuse reflection, through described the second catoptron, reflexes to described infrared receiving tube.
Preferably, the reflecting surface of described the first catoptron and described touch-screen place plane are acute angle setting, described infrared transmitting tube is arranged on described the first catoptron below, the emitting head of described infrared transmitting tube is towards the reflecting surface of described the first catoptron, and described first lens is arranged on the front end of the reflecting surface of described the first catoptron.
Preferably, angle between the reflecting surface of described the first catoptron and described touch-screen place plane is 45 degree, the utilizing emitted light direction of described infrared transmitting tube is perpendicular to described touch-screen place plane, and the angle between described first lens and the reflecting surface of described the first catoptron is 90 degree.
Preferably, the reflecting surface of described the second catoptron and described touch-screen place plane are acute angle setting, described infrared receiving tube is arranged on described the second catoptron below, the Receiver of described infrared receiving tube is towards the reflecting surface of described the second catoptron, and described the second lens are arranged on the front end of the reflecting surface of described the second catoptron.
Preferably, angle between the reflecting surface of described the second catoptron and described touch-screen place plane is 45 degree, the incident light direction of described infrared receiving tube is perpendicular to described touch-screen place plane, and the angle between described the second lens and the reflecting surface of described the second catoptron is 90 degree.
The present invention also proposes a kind of method that adopts infrared touch panel to realize suspension touch-control, comprises step:
Control infrared transmitting tube transmitting infrared light;
The voltage signal that receives infrared receiving tube output, described voltage signal is that the infrared light being received by described infrared receiving tube is converted to;
The size of more described voltage signal and predetermined voltage threshold;
When described voltage signal is greater than predetermined voltage threshold, judge that touch-screen upper area has suspension contact;
Determine the coordinate figure of described suspension contact, according to the coordinate figure of described suspension contact, carry out corresponding suspension touch control operation.
Preferably, after the big or small step of described voltage signal and predetermined voltage threshold, also comprise:
When described voltage signal is less than predetermined voltage threshold, judge that touch-screen has touch contact;
Determine the coordinate figure of described touch contact, according to the coordinate figure of described touch contact, carry out corresponding touch touch control operation.
The present invention also proposes a kind of system of the touch-control that suspends, and comprises MCU and infrared touch panel;
Described infrared touch panel, comprise be arranged on touch-screen surrounding a plurality of infrared transmitting tubes and with described infrared transmitting tube infrared receiving tube one to one, described infrared transmitting tube and infrared receiving tube are separately positioned on the relative dual-side of described touch-screen, it is characterized in that, also comprise the first catoptron and the first lens that are arranged on the same side with described infrared transmitting tube, and be arranged on the second catoptron and second lens of the same side with described infrared receiving tube; The infrared light of described infrared transmitting tube transmitting is after described the first catoptron reflection, and a part of reflected light is close to the second catoptron described in the plane directive of described touch-screen place, through described the second catoptron, reflexes to described infrared receiving tube; First lens described in another part reflected light directive, refracts to described touch-screen upper area through described first lens; When shelter arrives described touch-screen upper area, refract light, diffuses through described the second lens reflection to described the second catoptron to described the second lens through described shelter diffuse reflection, through described the second catoptron, reflexes to described infrared receiving tube;
The control output end of described MCU connects the control input end of the infrared transmitting tube of described infrared touch panel, outputs control signals to described infrared transmitting tube, controls described infrared transmitting tube transmitting infrared light; The signal input part of described MCU connects the signal output part of the infrared receiving tube of described infrared touch panel, receives the voltage signal of described infrared receiving tube output, and described voltage signal is that the infrared light being received by described infrared receiving tube is converted to.
Preferably, described MCU comprises:
Comparison module, for the size of more described voltage signal and predetermined voltage threshold; When described voltage signal is greater than predetermined voltage threshold, judge that touch-screen upper area has suspension contact;
Computing module, for determining the coordinate figure of described suspension contact;
Execution module, for according to the coordinate figure of described suspension contact, carries out corresponding suspension touch control operation.
Preferably, described comparison module also for, when described voltage signal is less than predetermined voltage threshold, judge that touch-screen has touch contact;
Described computing module also for, determine the coordinate figure of described touch contact;
Described execution module also for, according to the coordinate figure of described touch contact, carry out corresponding touch touch control operation.
The present invention is by catoptron and lens, the infrared light of infrared transmitting tube transmitting is divided into two-way, one tunnel is consistent with the touch manner of traditional infrared touch panel, parallel and be close to touch-screen place plane, another road is refracted into touch-screen upper area, the magnitude of voltage size of exporting by infrared receiving tube, has judged whether that shelter and this shelter are in suspension region or touch area, to realize the suspension touch-control of infrared touch panel and to touch touch-control.
Accompanying drawing explanation
Fig. 1 is the light path schematic diagram of infrared touch panel in prior art;
Fig. 2 is light path schematic diagram during have no occluder in infrared touch panel embodiment of the present invention;
Fig. 3 is light path schematic diagram when shelter arrives suspension region in infrared touch panel embodiment of the present invention;
Fig. 4 is light path schematic diagram when shelter arrives touch area in infrared touch panel embodiment of the present invention;
Fig. 5 is that the present invention adopts infrared touch panel to realize the process flow diagram of the first embodiment of the method for suspension touch-control;
Fig. 6 is that the present invention adopts infrared touch panel to realize the process flow diagram of the second embodiment of the method for suspension touch-control;
Fig. 7 is the suspend structural representation of system embodiment of touch-control of the present invention.
The realization of the object of the invention, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
With reference to Fig. 2 to Fig. 4, Fig. 2 is light path schematic diagram during have no occluder in infrared touch panel embodiment of the present invention, Fig. 3 is light path schematic diagram when shelter arrives suspension region in infrared touch panel embodiment of the present invention, and Fig. 4 is light path schematic diagram when shelter arrives touch area in infrared touch panel embodiment of the present invention.
The infrared touch panel that the present embodiment is mentioned, comprises infrared transmitting tube 102 arrays and infrared receiving tube 103 arrays that are arranged on touch-screen 101 surroundings, and infrared transmitting tube 102 and infrared receiving tube 103 are separately positioned on the relative dual-side of touch-screen 101, and corresponding one by one.Infrared touch panel also comprises the first catoptron 104 and the first lens 105 that is arranged on the same side with infrared transmitting tube 102, and is arranged on the second catoptron 106 and second lens 107 of the same side with infrared receiving tube 103.
The reflecting surface of the first catoptron 104 and touch-screen 101 place planes are acute angle setting, infrared transmitting tube 102 is arranged on the first catoptron 104 belows, the emitting head of infrared transmitting tube 102 is towards the reflecting surface of the first catoptron 104, or the emitting head of infrared transmitting tube 102 is towards a light element, by light element by the infrared ray optical direction of infrared transmitting tube 102 transmittings the reflecting surface to the first catoptron 104.Angle setting principle between infrared transmitting tube 102, the first catoptron 104 and touch-screen 101 is, makes the infrared light of infrared transmitting tube 102 transmittings after the first catoptron 104 reflections, and catoptrical light path can be parallel to touch-screen 101.First lens 105 is arranged on the front end of the reflecting surface of the first catoptron 104, can receive a part of reflected light, the reflected light receiving is after first lens 105 refractions, and the light path of refract light is no longer parallel to touch-screen 101, but the region of directive touch-screen 101 tops, as shown in Figure 2.
The reflecting surface of the second catoptron 106 and touch-screen 101 place planes are acute angle setting, infrared receiving tube 103 is arranged on the second catoptron 106 belows, the Receiver of infrared receiving tube 103 is towards the reflecting surface of the second catoptron 106, or the Receiver of infrared receiving tube 103 is towards a light element, by light element by the infrared ray optical direction of the second catoptron 106 reflections the Receiver to infrared receiving tube 103.Angle setting principle between infrared receiving tube 103, the second catoptron 106 and touch-screen 101 is, makes the infrared light that is parallel to touch-screen 101 place planes after the second catoptron 106 reflections, can be received by infrared receiving tube 103.Now, the light that infrared receiving tube 103 receives is only close to a part of infrared light on touch-screen 101 surfaces, the infrared light that this part is received is converted to magnitude of voltage, can be using the size of this magnitude of voltage as judging whether that shelter 108 arrives the predetermined voltage threshold of touch-screen 101.If the MCU of infrared touch panel receives the magnitude of voltage of infrared receiving tube 103 outputs, equal predetermined voltage threshold, explanation does not have shelter 108 now.
The second lens 107 are arranged on the front end of the reflecting surface of the second catoptron 106.When having shelter 108(as finger) while arriving touch-screen 101 upper area, reach suspension region, as shown in Figure 3, refract light after first lens 105 refractions arrives shelter 108 surfaces, there is diffuse reflection, light path, through shelter 108 diffuse reflection to the second lens 107, diffuses and through the second lens 107, refracts to the second catoptron 106 again, through the second catoptron 106, reflexes to infrared receiving tube 103.Now, the light that infrared receiving tube 103 receives comprises a part of infrared light of being close to touch-screen 101 surfaces, also comprise that a part of infrared light that is refracted to touch-screen 101 upper areas by first lens 105, infrared receiving tube 103 is converted to the infrared light receiving after voltage signal, because light quantity increases, the size of voltage signal also increases thereupon, the size that is voltage signal will inevitably be greater than the predetermined voltage threshold while not having shelter 108 to arrive touch-screen 101, the MCU of infrared touch panel is according to the voltage signal that is greater than predetermined voltage threshold of infrared receiving tube 103 outputs, can judge that now shelter 108 arrives suspension region, by the position of the infrared receiving tube 103 of magnitude of voltage increase is added up, determine the coordinate figure in shelter 108 suspension regions, place, and carry out corresponding suspension touch control operation.
When shelter 108 drops to while touching touch-screen 101 surface completely, arrive touch area, as shown in Figure 4, be close to a part of infrared light on touch-screen 101 surfaces and blocked by that a part of infrared light that first lens 105 is refracted to touch-screen 101 upper areas thing 108 that is all blocked, now, infrared receiving tube 103 does not receive infrared light, magnitude of voltage reduces, the MCU of infrared touch panel is according to the voltage signal that is less than predetermined voltage threshold of infrared receiving tube 103 outputs, can judge that now shelter 108 arrives touch area, position by infrared receiving tube 103 that magnitude of voltage is reduced is added up, determine the coordinate figure of shelter 108 touch areas, place, and carry out corresponding touch touch control operation.
For simplicity, angle between the reflecting surface of first catoptron 104 of the present embodiment and touch-screen 101 place planes is 45 degree, the utilizing emitted light direction of infrared transmitting tube 102 is perpendicular to touch-screen 101 place planes, angle between the reflecting surface of first lens 105 and the first catoptron 104 is 90 degree, angle between the reflecting surface of the second catoptron 106 and touch-screen 101 place planes is 45 degree, the incident light direction of infrared receiving tube 103 is perpendicular to touch-screen 101 place planes, and the angle between the second lens 107 and the reflecting surface of the second catoptron 106 is 90 degree.
The present embodiment is by catoptron and lens, the infrared light of infrared transmitting tube transmitting is divided into two-way, one tunnel is consistent with the touch manner of traditional infrared touch panel, parallel and be close to touch-screen place plane, another road is refracted into touch-screen upper area, the magnitude of voltage size of exporting by infrared receiving tube, has judged whether that shelter 108 and this shelter 108 are in suspension region or touch area, to realize the suspension touch-control of infrared touch panel and to touch touch-control.
As shown in Figure 5, Fig. 5 is that the present invention adopts infrared touch panel to realize the process flow diagram of the first embodiment of the method for suspension touch-control.The employing infrared touch panel that the present embodiment is mentioned is realized the method for suspension touch-control, comprising:
Step S10, controls infrared transmitting tube transmitting infrared light;
The hardware environment of the present embodiment adopts Fig. 2 to the MCU of the infrared touch panel in embodiment illustrated in fig. 4, and its concrete structure and light path principle can be with reference to above-described embodiments, and therefore not to repeat here.When infrared touch panel is worked, MCU lights each infrared transmitting tube, infrared transmitting tube transmitting infrared light.
Step S20, receives the voltage signal that infrared receiving tube is exported, and voltage signal is that the infrared light being received by infrared receiving tube is converted to;
The infrared light of infrared transmitting tube transmitting, after catoptron and lens, is received by infrared receiving tube, and infrared receiving tube is converted to voltage signal by the infrared light receiving, and exports the MCU of infrared touch panel to.
Step S30, the size of comparative voltage signal and predetermined voltage threshold;
The MCU of infrared touch panel compares voltage signal and the predetermined voltage threshold of infrared receiving tube output, when there is no shelter, the light that infrared receiving tube receives is only close to a part of infrared light of touch screen surface, can be using magnitude of voltage now as predetermined voltage threshold.
Step S41, when voltage signal is greater than predetermined voltage threshold, judges that touch-screen upper area has suspension contact;
When having shelter (as finger) to arrive touch-screen upper area, reach suspension region, the light that infrared receiving tube receives comprises a part of infrared light of being close to touch screen surface, also comprise that a part of infrared light that is refracted to touch-screen upper area by first lens, because light quantity increases, the size of voltage signal also increases thereupon, the size that is voltage signal will inevitably be greater than the predetermined voltage threshold while not having shelter to arrive touch-screen, the MCU of infrared touch panel is according to the voltage signal that is greater than predetermined voltage threshold of infrared receiving tube output, can judge that now shelter arrives suspension region.
Step S42, determines the coordinate figure of suspension contact, according to the coordinate figure of suspension contact, carries out corresponding suspension touch control operation.
MCU, by the position of the infrared receiving tube of magnitude of voltage increase is added up, determines the coordinate figure in suspension region, shelter place, and carries out corresponding suspension touch control operation.
The magnitude of voltage size that the present embodiment is exported by infrared receiving tube, whether the suspension region that judges touch-screen has shelter, the position of the infrared receiving tube that voltage is increased is added up, and to determine the contact coordinate in suspension region, has realized the suspension touch-control to infrared touch panel.
As shown in Figure 6, Fig. 6 is that the present invention adopts infrared touch panel to realize the process flow diagram of the second embodiment of the method for suspension touch-control.It is basis that the present embodiment be take embodiment illustrated in fig. 5, after step S30, also comprises:
Step S51, when voltage signal is less than predetermined voltage threshold, judges that touch-screen has touch contact;
When shelter drops to while touching touch-screen completely, arrive touch area, infrared receiving tube does not receive infrared light, and magnitude of voltage reduces, the MCU of infrared touch panel, according to the voltage signal that is less than predetermined voltage threshold of infrared receiving tube output, can judge that now shelter arrives touch area.
Step S52, determines the coordinate figure of touch contact, according to the coordinate figure of touch contact, carries out corresponding touch touch control operation.
MCU adds up by the position of infrared receiving tube that magnitude of voltage is reduced, determines the coordinate figure of touch area, shelter place, and carries out corresponding touch touch control operation.
The magnitude of voltage size that the present embodiment is exported by infrared receiving tube, judge whether shelter has touched touch screen surface, the position of the infrared receiving tube that voltage is reduced is added up, and to determine the contact coordinate of touch area, has realized the touch touch-control to infrared touch panel.
As shown in Figure 7, Fig. 7 is the suspend structural representation of system embodiment of touch-control of the present invention.The system of the suspension touch-control that the present embodiment is mentioned, comprises MCU200 and infrared touch panel.Wherein, infrared touch panel comprise be arranged on touch-screen surrounding a plurality of infrared transmitting tubes 102 and with infrared transmitting tube 102 infrared receiving tube 103 one to one, also comprise the first catoptron and the first lens that are arranged on the same side with infrared transmitting tube 102, and be arranged on the second catoptron and second lens of the same side with infrared receiving tube 103, its concrete structure and light path principle can be with reference to Fig. 2 to embodiment illustrated in fig. 4, and therefore not to repeat here.
The control output end of MCU200 connects the control input end of the infrared transmitting tube 102 of infrared touch panel, outputs control signals to infrared transmitting tube 102, controls infrared transmitting tube 102 transmitting infrared lights; The signal input part of MCU200 connects the signal output part of the infrared receiving tube 103 of infrared touch panel, receives the voltage signal of infrared receiving tube 103 outputs, and voltage signal is that the infrared light being received by described infrared receiving tube 103 is converted to.When infrared touch panel is worked, MCU200 lights each infrared transmitting tube 102, infrared transmitting tube 102 transmitting infrared lights.The infrared light of infrared transmitting tube 102 transmittings, after catoptron and lens, is received by infrared receiving tube 103, and infrared receiving tube 103 is converted to voltage signal by the infrared light receiving, and exports the MCU200 of infrared touch panel to.
MCU200 comprises:
The MCU200 of the present embodiment infrared touch panel compares voltage signal and the predetermined voltage threshold of infrared receiving tube 103 outputs, when there is no shelter, the light that infrared receiving tube 103 receives is only close to a part of infrared light of touch screen surface, can be using magnitude of voltage now as predetermined voltage threshold.
When having shelter (as finger) to arrive touch-screen upper area, reach suspension region, the light that infrared receiving tube 103 receives comprises a part of infrared light of being close to touch screen surface, also comprise that a part of infrared light that is refracted to touch-screen upper area by first lens, because light quantity increases, the size of voltage signal also increases thereupon, the size that is voltage signal will inevitably be greater than the predetermined voltage threshold while not having shelter to arrive touch-screen, the MCU200 of infrared touch panel is according to the voltage signal that is greater than predetermined voltage threshold of infrared receiving tube 103 outputs, can judge that now shelter arrives suspension region.MCU200, by the position of the infrared receiving tube 103 of magnitude of voltage increase is added up, determines the coordinate figure in suspension region, shelter place, and carries out corresponding suspension touch control operation.
The magnitude of voltage size that the present embodiment is exported by infrared receiving tube 103, whether the suspension region that judges touch-screen has shelter, the position of the infrared receiving tube 103 that voltage is increased is added up, and to determine the contact coordinate in suspension region, has realized the suspension touch-control to infrared touch panel.
Further, comparison module 201 also for, when voltage signal is less than predetermined voltage threshold, judge that touch-screen has touch contact;
When shelter drops to while touching touch-screen completely, arrive touch area, infrared receiving tube 103 does not receive infrared light, magnitude of voltage reduces, the MCU200 of infrared touch panel, according to the voltage signal that is less than predetermined voltage threshold of infrared receiving tube 103 outputs, can judge that now shelter arrives touch area.MCU200 adds up by the position of infrared receiving tube 103 that magnitude of voltage is reduced, determines the coordinate figure of touch area, shelter place, and carries out corresponding touch touch control operation.
The magnitude of voltage size that the present embodiment is exported by infrared receiving tube 103, judge whether shelter has touched touch screen surface, the position of the infrared receiving tube 103 that voltage is reduced is added up, and to determine the contact coordinate of touch area, has realized the touch touch-control to infrared touch panel.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes instructions of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. an infrared touch panel, comprise be arranged on touch-screen surrounding a plurality of infrared transmitting tubes and with described infrared transmitting tube infrared receiving tube one to one, described infrared transmitting tube and infrared receiving tube are separately positioned on the relative dual-side of described touch-screen, it is characterized in that, also comprise the first catoptron and the first lens that are arranged on the same side with described infrared transmitting tube, and be arranged on the second catoptron and second lens of the same side with described infrared receiving tube; The infrared light of described infrared transmitting tube transmitting is after described the first catoptron reflection, and a part of reflected light is close to the second catoptron described in the plane directive of described touch-screen place, through described the second catoptron, reflexes to described infrared receiving tube; First lens described in another part reflected light directive, refracts to described touch-screen upper area through described first lens; When shelter arrives described touch-screen upper area, refract light, diffuses through described the second lens reflection to described the second catoptron to described the second lens through described shelter diffuse reflection, through described the second catoptron, reflexes to described infrared receiving tube.
2. infrared touch panel according to claim 1, it is characterized in that, the reflecting surface of described the first catoptron and described touch-screen place plane are acute angle setting, described infrared transmitting tube is arranged on described the first catoptron below, the emitting head of described infrared transmitting tube is towards the reflecting surface of described the first catoptron, and described first lens is arranged on the front end of the reflecting surface of described the first catoptron.
3. infrared touch panel according to claim 2, it is characterized in that, angle between the reflecting surface of described the first catoptron and described touch-screen place plane is 45 degree, the utilizing emitted light direction of described infrared transmitting tube is perpendicular to described touch-screen place plane, and the angle between described first lens and the reflecting surface of described the first catoptron is 90 degree.
4. infrared touch panel according to claim 1, it is characterized in that, the reflecting surface of described the second catoptron and described touch-screen place plane are acute angle setting, described infrared receiving tube is arranged on described the second catoptron below, the Receiver of described infrared receiving tube is towards the reflecting surface of described the second catoptron, and described the second lens are arranged on the front end of the reflecting surface of described the second catoptron.
5. infrared touch panel according to claim 4, it is characterized in that, angle between the reflecting surface of described the second catoptron and described touch-screen place plane is 45 degree, the incident light direction of described infrared receiving tube is perpendicular to described touch-screen place plane, and the angle between described the second lens and the reflecting surface of described the second catoptron is 90 degree.
6. adopt infrared touch panel described in claim 1 to 5 any one to realize a method for suspension touch-control, it is characterized in that, comprise step:
Control infrared transmitting tube transmitting infrared light;
The voltage signal that receives infrared receiving tube output, described voltage signal is that the infrared light being received by described infrared receiving tube is converted to;
The size of more described voltage signal and predetermined voltage threshold;
When described voltage signal is greater than predetermined voltage threshold, judge that touch-screen upper area has suspension contact;
Determine the coordinate figure of described suspension contact, according to the coordinate figure of described suspension contact, carry out corresponding suspension touch control operation.
7. the method for suspension touch-control according to claim 6, is characterized in that, after the big or small step of described voltage signal and predetermined voltage threshold, also comprises:
When described voltage signal is less than predetermined voltage threshold, judge that touch-screen has touch contact;
Determine the coordinate figure of described touch contact, according to the coordinate figure of described touch contact, carry out corresponding touch touch control operation.
8. the system of the touch-control that suspends, it is characterized in that, comprise MCU and the infrared touch panel as described in claim 1 to 5 any one, the control output end of described MCU connects the control input end of the infrared transmitting tube of described infrared touch panel, output control signals to described infrared transmitting tube, control described infrared transmitting tube transmitting infrared light; The signal input part of described MCU connects the signal output part of the infrared receiving tube of described infrared touch panel, receives the voltage signal of described infrared receiving tube output, and described voltage signal is that the infrared light being received by described infrared receiving tube is converted to.
9. the system of suspension touch-control according to claim 8, is characterized in that, described MCU comprises:
Comparison module, for the size of more described voltage signal and predetermined voltage threshold; When described voltage signal is greater than predetermined voltage threshold, judge that touch-screen upper area has suspension contact;
Computing module, for determining the coordinate figure of described suspension contact;
Execution module, for according to the coordinate figure of described suspension contact, carries out corresponding suspension touch control operation.
10. the system of suspension touch-control according to claim 9, is characterized in that, described comparison module also for, when described voltage signal is less than predetermined voltage threshold, judge that touch-screen has touch contact;
Described computing module also for, determine the coordinate figure of described touch contact;
Described execution module also for, according to the coordinate figure of described touch contact, carry out corresponding touch touch control operation.
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| CN201310557283.5A CN103558949A (en) | 2013-11-08 | 2013-11-08 | Infrared touch screen, method and system for suspension touch control |
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| CN201310557283.5A CN103558949A (en) | 2013-11-08 | 2013-11-08 | Infrared touch screen, method and system for suspension touch control |
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| CN105005419A (en) * | 2015-08-04 | 2015-10-28 | 北京汇冠新技术股份有限公司 | Non-contact gesture recognition infrared touch screen |
| CN105335016A (en) * | 2014-06-13 | 2016-02-17 | 统晶光电科技股份有限公司 | Suspension control input apparatus |
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| CN109508119A (en) * | 2018-12-21 | 2019-03-22 | 武汉华星光电半导体显示技术有限公司 | Suspension touch control display device and suspension touch control method |
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| CN111061396A (en) * | 2019-12-13 | 2020-04-24 | 深圳市康冠商用科技有限公司 | Infrared touch background value configuration method and device, electronic equipment and storage medium |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090189878A1 (en) * | 2004-04-29 | 2009-07-30 | Neonode Inc. | Light-based touch screen |
| CN101963871A (en) * | 2010-10-21 | 2011-02-02 | 广州视源电子科技有限公司 | Optical touch control system based on infrared spotlight recognition and realization method thereof |
| CN102622133A (en) * | 2012-02-21 | 2012-08-01 | 成都吉锐触摸技术股份有限公司 | Infrared touch screen for changing infrared light transmission paths and touch point recognizing method for infrared touch screen |
| US20130033454A1 (en) * | 2011-08-05 | 2013-02-07 | Hon Hai Precision Industry Co., Ltd. | Touch device and touch method |
| CN103278879A (en) * | 2013-05-03 | 2013-09-04 | 瑞仪光电股份有限公司 | Light guide element capable of controlling light shape |
-
2013
- 2013-11-08 CN CN201310557283.5A patent/CN103558949A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090189878A1 (en) * | 2004-04-29 | 2009-07-30 | Neonode Inc. | Light-based touch screen |
| CN101963871A (en) * | 2010-10-21 | 2011-02-02 | 广州视源电子科技有限公司 | Optical touch control system based on infrared spotlight recognition and realization method thereof |
| US20130033454A1 (en) * | 2011-08-05 | 2013-02-07 | Hon Hai Precision Industry Co., Ltd. | Touch device and touch method |
| CN102622133A (en) * | 2012-02-21 | 2012-08-01 | 成都吉锐触摸技术股份有限公司 | Infrared touch screen for changing infrared light transmission paths and touch point recognizing method for infrared touch screen |
| CN103278879A (en) * | 2013-05-03 | 2013-09-04 | 瑞仪光电股份有限公司 | Light guide element capable of controlling light shape |
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| CN109508119A (en) * | 2018-12-21 | 2019-03-22 | 武汉华星光电半导体显示技术有限公司 | Suspension touch control display device and suspension touch control method |
| CN113226077A (en) * | 2019-06-14 | 2021-08-06 | 韩国烟草人参公社 | Optical module and aerosol-generating device comprising an optical module |
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Application publication date: 20140205 |