CN101847058A - Optical touch screen convenient for installation and application thereof - Google Patents
Optical touch screen convenient for installation and application thereof Download PDFInfo
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- CN101847058A CN101847058A CN200910048469A CN200910048469A CN101847058A CN 101847058 A CN101847058 A CN 101847058A CN 200910048469 A CN200910048469 A CN 200910048469A CN 200910048469 A CN200910048469 A CN 200910048469A CN 101847058 A CN101847058 A CN 101847058A
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- 238000004891 communication Methods 0.000 claims abstract description 37
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Abstract
The invention provides an optical touch screen convenient for installation, which relates to a touch screen, in particular to the touch screen convenient to arrange on a controlled device. The optical touch screen comprises a microprocessor module, a communication module communicated with the microprocessor module, a touch position detection module for detecting a position of a touch point and a fixing device which is convenient to fix the optical touch screen convenient for installation on one side or at the corner of a screen, wherein the touch position detection module is a touch position detection module which utilizes optical property to detect the position of the touch point; the optical touch screen convenient for installation comprises a shell; and the communication module and the touch position detection module are arranged in the shell. The optical touch screen convenient for installation can be conveniently and flexibly applied onto devices, such as a mobile phone, a palm computer, a desktop computer, a projector system and the like.
Description
Technical field
The present invention relates to a kind of touch-screen, be specially a kind of touch-screen of being convenient to be installed on the controlled plant.
Background technology
Existing touch-screen is not easy to install, and therefore need mostly touch-screen be installed on the equipment when dispatching from the factory on the equipment of installation touch-screen.Cause terminal client for whether touch-screen is arranged on the equipment, do not have selectivity to say.
Some equipment has assembled touch-screen in advance, but the client do not need, this situation all is a kind of waste for client and manufacturer.Some equipment does not assemble touch-screen in advance, the client need use touch-screen, in this case, the client may select other products, perhaps needing to spend higher cost transforms equipment, this situation is also all unfavorable to client and manufacturer, and therefore the manufacturer may lose the client, and therefore the client may spend higher.
If there is a kind of optical touch screen easy for installation will solve above-mentioned contradiction.Make and to assemble touch-screen or dismounting touch-screen on the equipment easily, satisfying client's needs, and then satisfy the interests between client and the manufacturer.
Existing image interactive technology, virtual laser keyboard technique, optical touch screen technology, and laser remote-controlled technology can provide certain technical foundation for a kind of optical touch screen easy for installation.
Summary of the invention
The objective of the invention is to, a kind of optical touch screen easy for installation is provided, can be installed on the relevant device easily, so that touch screen function is freely selected.
The present invention also aims to, a kind of several purposes of optical touch screen easy for installation are provided.
Technical matters solved by the invention can realize by the following technical solutions:
A kind of optical touch screen easy for installation, comprise the microprocessor module, with the communication module of described microprocessor module communication, the touch location detection module of detected touch point position, it is characterized in that, comprise that also one is convenient to described a kind of optical touch screen easy for installation is fixed on the stationary installation in screen one side or bight.Described stationary installation is a stationary installation of being convenient to mount and dismount.Described a kind of optical touch screen easy for installation comprises a housing, and described communication module and described touch location detection module are installed in the described housing.
Described touch location detection module is a touch location detection module of utilizing optical characteristics detected touch point position.
Described stationary installation can be the stationary installation of utilizing sucker fixing, by the fixing stationary installation of magnetic force, by the fixing stationary installation of glue, by the fixing stationary installation of static, by the fixing stationary installation of clip, the fixing stationary installation of mode by pegging graft, the perhaps stationary installation by draw-in groove and buckle clamping.Some stationary installation has the parts that cooperate with it on the equipment that needs to be connected.Such as smooth part is arranged, be convenient to sucker absorption; Such as the insulated part of being convenient to Electrostatic Absorption is arranged, or the part of stored charge; Be convenient to the projection that clip is bitten such as having; Such as the slot of being convenient to peg graft is arranged; Such as draw-in groove or the buckle of being convenient to peg graft arranged.
Comprise that also one is used for touch point calibration module that described a kind of optical touch screen easy for installation is calibrated.
Described touch location detection module can be to adopt existing virtual laser keyboard to adopt, and is used for determining click location, the touch location detection module of the structural principle of click location detection module.The click location detection module that existing virtual laser keyboard adopts can detect click location preferably, and accurately locatees.Can comparatively directly be applied to the present invention, detection and location are carried out in the touch point.The click location of virtual laser keyboard and touch point of the present invention, essence is identical.Therefore for the concrete structure of the touch location detection module of the structural principle of the click location detection module that adopts existing virtual laser keyboard to adopt, no longer describe in detail.
Described touch location detection module comprises an infrared emitter, an infrared signal receiver module, an infrared image locating device; Described infrared signal receiver module connects described infrared image locating device.
Described touch point calibration module can be the calibration module that adopts the calibrating principle of the calibration module that existing touch-screen adopts.
The present invention is by position, light signal perception touch point.Resistive touch screen is by position, resistance variations perception touch point.The mode difference of both positions, perception touch point, but after perceiving the position, touch point, all to realize touch point position is converted into the work of the cursor on the display screen of institute's connection device, in this point both can be considered as identical, so the calibrating principle of the calibration module of resistive touch screen can comparatively directly be applied to described touch point calibration module.In like manner the calibrating principle of the calibration module of existing other touch-screens also can comparatively directly be applied to described touch point calibration module.
Described touch point calibration module is that module delimited in a touch area with delimitation touch area function.The described touch location detection module that adopts in the technique scheme of the present invention, with existing touch-screen adopted different, itself does not have a very clear and definite touch area boundary.In order to access the clear and definite touch area of boundary that needs, adopt described touch area to delimit module the touch area delimited.Described touch point calibration module to delimit the touch area function be implemented on the hardware can based on, even fully based on common touch point calibration module.Described microprocessor module at first makes on four angles of display screen of institute's connection device and presents anchor point respectively, with this anchor point as the area dividing monumented point, the touch point is overlapped with four anchor points, the memory of described microprocessor module is the information of anchor point down, with the zone in four anchor points besieged cities as the touch area.Touch operation beyond the touch area is not done response.
Described touch location detection module, can also adopt existing patent name for " laser remote-controlled signal receiver and supporting laser remote-controlled signal projector thereof ", application number is a touch location detection module of determining the position, touch point in the technical scheme described in the patent of 200810035508.x.This needs special-purpose felt pen and is used.
Described touch location detection module comprises the light activated element group, comprises at least two light activated elements with described light activated element group, to being covered with a light signal directive reception device that is used for the irrelevant direction light signal of filtering on the light activated element group; Described light activated element connects, and one is used to handle the signal processing module of the electric signal that described light activated element group transmits, and described signal processing module comprises the frequency-selecting module of the electric signal that is used for the irrelevant light signal generating of filtering.
Described light activated element group comprises four light activated elements, and described directive reception device covers on described four light activated elements, and the light signal zone that four light activated elements are received is divided into four parts.
During use, with four light activated elements of described light activated element group towards a display screen.Described directive reception device cover, the light signal zone that four light activated elements are received is divided into four parts.Four parts of light signal zones are embodied in respectively on the described display screen, so the touch point image is when being presented on a certain light signal zone on the described display screen, and the light signal strength that the light activated element of this zone correspondence receives is stronger.Signal processing module is made response to this, determine the position of light signal touch point image.
The control function that above-mentioned design can realize is less, but can be not with reference to the background picture, and control is convenient, is specially adapted to control the comparatively simple electrical equipment of operations such as televisor, air-conditioning.Described communication module adopts infrared communication module, and on described infrared communication module and the equipment that is connected, original infrared receiving set is arranged in pairs or groups mutually.Described microprocessor module, described communication module, described touch location detection module are positioned at same housing.
Like this, adopt the optical touch screen a kind of easy for installation of above-mentioned design, as long as just can utilize felt pen that these electrical equipment are carried out remote touch control near being placed on the comparatively simple electrical equipment of operations such as televisor, air-conditioning.Can not need line and the equipment that is connected be transformed.
Described touch location detection module, comprise that one is used to absorb the camera head of touch pad place image, described camera head connects described microprocessor module and the touch point image is passed to described microprocessor module, and described microprocessor module is to have the microprocessor module of determining position, described touch point by described touch point image.Existing image interactive technology can be finished above-mentioned technical requirement preferably, therefore no longer describes in detail.
Described touch location detection module, comprise at least two camera heads that are used to absorb touch pad place image, respectively the touch point image that obtains is passed to described microprocessor module, described microprocessor module is to have the microprocessor module of determining position, described touch point by described touch point image.Can obtain touch point position information more accurately by two camera heads, and more wide in range to the status requirement of camera head.Concrete technical scheme can reference, and patent name is " optical touch screen and a supporting felt pen thereof ", and application number is 200910047241.0 patent document.Adopt the technical scheme of two camera heads to also have alternate manner, describe in detail no longer one by one.
Described microprocessor module can adopt independent microprocessor module, also can with the shared microprocessor module of the equipment that is connected.
Described communication module can adopt the communication module of ray mode, the communication module of bluetooth mode, perhaps the communication module of other patterns.Employing has the communication module of ray mode and the microprocessor module of institute's connection device to communicate, and can effectively improve the interference free performance of system, is convenient to directly obtain power supply from the equipment that is connected.Adopt the communication module of bluetooth mode, can omit and institute's connection device between line, make system more succinct, be convenient to installation and removal more.Adopt the communication module of bluetooth mode that password can also be set, make the operating personnel that only hold the relevant described touch-screen of being convenient to mount and dismount, can operate the equipment that is restricted.
Described a kind of optical touch screen easy for installation also comprises a power module, and described power module comprises that rechargeable battery and is used for the photoelectric cell to described rechargeable battery charging, and described photronic light receiving surface is towards the display light source.For LCD, cathode tube display, plasma display etc., described display light source is a screen, is display for the display light source of projector.Can utilize the display light source to provide the part energy like this, perhaps whole energy for described a kind of optical touch screen easy for installation.
As seen from the above technical solution, the present invention can be installed on the relevant device easily, so that touch screen function is freely selected.
Description of drawings
Fig. 1 is an electrical principle synoptic diagram of the present invention;
Fig. 2 is a kind of external structure intention of the present invention;
Fig. 3 is a kind of external structure synoptic diagram of specific embodiment 1;
Fig. 4 is the anchor point and the check point layout viewing of specific embodiment 1;
Fig. 5 is the part physical arrangement synoptic diagram of specific embodiment 2;
Fig. 6 is the partial circuit structural representation of specific embodiment 2;
Fig. 7 is the user mode synoptic diagram of specific embodiment 2;
Fig. 8 is the part physical arrangement synoptic diagram of specific embodiment 3;
Fig. 9 is the part physical arrangement synoptic diagram of specific embodiment 4;
Figure 10 is the power module structure principle chart.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
With reference to Fig. 1, a kind of optical touch screen easy for installation comprises microprocessor module 1, the communication module 2 of communicating by letter with microprocessor module 1, the touch location detection module 3 of detected touch point position.Touch location detection module 3 is a touch location detection module 3 of utilizing optical characteristics detected touch point position.Comprise that also one is used for touch point calibration module 5 that described a kind of optical touch screen easy for installation is calibrated.Touch point calibration module 5 can not be independent hardware, and its function can be achieved by form of software by microprocessor module 1.
With reference to Fig. 2, a kind of optical touch screen easy for installation comprises a housing 4.Communication module 2 and touch location detection module 3 are installed in the housing 4, are convenient to installation and removal like this.A kind of optical touch screen easy for installation can use a microprocessor module 1 separately, and microprocessor module 1 can be contained in the housing 4 in this case.A kind of optical touch screen easy for installation can use a microprocessor module 1 jointly with the equipment that is connected, and microprocessor module 1 often is not easy to be contained in the housing 4 in this case.
On the equipment that is connected, can indicate one or several position of the present invention can be installed, so that calibration and less even dead zone-eliminating.If stationary installation 41 location are appropriate, even can calibrate.
Specific embodiment 1:
With reference to Fig. 3, touch location detection module 3 can be to adopt existing virtual laser keyboard to adopt, and is used for determining click location, the touch location detection module of the structural principle of click location detection module.Comprise infrared emitter 310 and infrared signal receiver module 311.Inside is provided with the infrared image locating device, and infrared signal receiver module 311 connects described infrared image locating device.In order to eliminate the signal blind zone at close together place, the light signal of infrared signal receiver module 311 is accepted part and is comparatively protruded, and downward-sloping.
The click location detection module that existing virtual laser keyboard adopts can detect click location preferably, and accurately locatees.Can comparatively directly be applied to the present invention, detection and location are carried out in the touch point.The click location of virtual laser keyboard and touch point of the present invention, essence is identical on recognition principle.Therefore for the concrete structure of the touch location detection module of the structural principle of the click location detection module that adopts existing virtual laser keyboard to adopt, no longer describe in detail.
Touch point calibration module 5 can be the calibration module that adopts the calibrating principle of the calibration module that existing touch-screen adopts.The present invention is by position, light signal perception touch point.Resistive touch screen is by position, resistance variations perception touch point.The mode difference of both positions, perception touch point, but after perceiving the position, touch point, all to realize touch point position is converted into the work of the cursor on the display screen of institute's connection device, at this point both can be considered as identical, so the calibrating principle of the calibration module of resistive touch screen can comparatively directly be applied to described touch point calibration module.In like manner the calibrating principle of the calibration module of existing other touch-screens also can comparatively directly be applied to described touch point calibration module.
With reference to Fig. 4, specifically mode can be, at first utilizes microprocessor module 1 to present several check points 61 on the display screen 6 of institute's connection device, and artificial then touches each check point 61, forms the touch point on each check point 61.Microprocessor module 1 is the parameter of each check point 61, carries out record with the parameter of corresponding touch point, and in conjunction with handling, as the reference of proofreading and correct.
Touch point calibration module 5 is that module 5 delimited in a touch area with delimitation touch area function.The touch location detection module 5 that adopts in the technique scheme of the present invention, with existing touch-screen adopted different, itself does not have a very clear and definite touch area boundary.In order to access the clear and definite touch area of boundary that needs, adopt described touch area to delimit module the touch area delimited.5 pairs of touch point calibration modules delimit the touch area function be implemented on the hardware can based on, even fully based on common touch point calibration module 5.
Concrete mode can be, microprocessor module 1 at first makes on four angles of display screen 6 of institute's connection device and presents anchor point 62 respectively, with this anchor point 62 as the area dividing monumented point.The touch point is overlapped with four anchor points, and microprocessor module 1 memory is the information of anchor point 62 down, with the zone in four anchor points, 62 besieged cities as the touch area.Touch operation beyond the touch area is not done response.Check point 61 can be multiplexing with anchor point 62, directly with anchor point 62 as check point 61, can omit the certain operations step.
Can be applied to equipment such as mobile phone, palm PC, desktop computer, projecting apparatus system.For projecting apparatus system, can be implemented in the screen place host computer is carried out Long-distance Control especially.In order further to reduce even dead zone-eliminating, above-mentioned design is easy to be installed in the bight of display screen 6 especially.
Specific embodiment 2:
Touch location detection module 3, can also adopt existing patent name for " laser remote-controlled signal receiver and supporting laser remote-controlled signal projector thereof ", application number is a touch location detection module 3 of determining the position, touch point in the technical scheme described in the patent of 200810035508.x.This needs the special-purpose felt pen that can launch light beam and is used.The luminous point that presents on display screen 6 with light beam is the touch point.
With reference to Fig. 5, Fig. 6, touch location detection module 3 comprises the light activated element group, comprises at least two light activated elements with the light activated element group, to being covered with a light signal directive reception device 321 that is used for the irrelevant direction light signal of filtering on the light activated element group.Light activated element 321 connects a signal processing module 322 that is used to handle the electric signal that described light activated element group transmits.Signal processing module 322 comprises the frequency-selecting module of the electric signal that is used for the irrelevant light signal generating of filtering.
The light activated element group comprises four light activated elements 320, and directive reception device 321 covers on four light activated elements 320, and the light signal zone that four light activated elements 320 are received is divided into four parts.
With reference to Fig. 7, during use with four light activated elements 320 of light activated element group towards a display screen 6.Directive reception device 321, the light signal zone that four light activated elements 320 are received is divided into four parts.Four parts of light signal zones are embodied in respectively on the display screen 6, so luminous point is when being presented on a certain light signal zone on the display screen 6, and the light signal strength that the light activated element 320 of this zone correspondence receives is stronger.Signal processing module 322 is made response to this, determines the position of luminous point (touch point).
In order to make display screen 6 can be divided into comparatively uniform four parts of light signal zones.In the middle of four light activated elements 320, load onto a laser instrument.Be set to, open when laser spot is radiated at display screen 6 central authorities behind the laser instrument, display screen 6 is divided into comparatively uniform four parts of light signal zones.Utilize laser instrument to calibrate during use.
The control function that above-mentioned design can realize is less, but can be not according to the background picture, control is convenient, is specially adapted to control the comparatively simple electrical equipment of operations such as televisor, air-conditioning.Communication module 2 adopts infrared communication module, and original infrared receiving set is arranged in pairs or groups mutually on infrared communication module and the equipment that is connected.Microprocessor module 1, communication module 2, touch location detection module 3 are positioned at same housing 4.
Like this, adopt the optical touch screen a kind of easy for installation of above-mentioned design, as long as just can utilize felt pen that these electrical equipment are carried out remote touch control near being placed on the comparatively simple electrical equipment of operations such as televisor, air-conditioning.Can not need line and the equipment that is connected be transformed.
Specific embodiment 3:
With reference to Fig. 8, touch location detection module 3 comprises that one is used to absorb the camera head 33 of display screen 6 place's images.Camera head 33 connects microprocessor module 1, and the touch point image is passed to microprocessor module 1.Microprocessor module 1 is to have the microprocessor module 1 of determining the position, touch point by the touch point image.Existing image interactive technology can be finished above-mentioned technical requirement preferably, therefore no longer describes in detail.
Can be applied to equipment such as mobile phone, palm PC, desktop computer, projecting apparatus system.For projecting apparatus system, can be implemented in the screen place host computer is carried out Long-distance Control especially.In order further to reduce even dead zone-eliminating, above-mentioned design is easy to be installed in the bight of display screen 6 especially.
Specific embodiment 4:
With reference to Fig. 9, touch location detection module 3 comprises at least two 34, two camera heads 34 of camera head that are used to absorb touch pad place image, is installed in the same housing.Two camera heads 34 can adopt camera, respectively the touch point image information that obtains are passed to microprocessor module 1.Microprocessor module 1 is to have the microprocessor module 1 of determining the position, touch point by the touch point image information.Can obtain touch point position information more accurately by two camera heads 34, and more wide in range to the status requirement of camera head.Concrete technical scheme can reference, and the patent patent name is " optical touch screen and a supporting felt pen thereof ", and application number is 200910047241.0 patent document.Adopt the technical scheme of two camera heads to also have other modes, describe in detail no longer one by one.
With reference to Figure 10, the communication module 2 in above-mentioned three specific embodiments can adopt the communication module 2 of ray mode, the communication module 2 of bluetooth mode, perhaps the communication module 2 of other patterns.Employing has the communication module 2 of ray mode and the microprocessor module of institute's connection device to communicate, and can effectively improve the interference free performance of system, is convenient to directly obtain power supply from the equipment that is connected.Adopt the communication module of bluetooth mode, can omit and institute's connection device between line, make system more succinct, be convenient to installation and removal more.Can be applied to equipment such as mobile phone, palm PC, desktop computer, projecting apparatus system.For projecting apparatus system, can be implemented in the screen place host computer is carried out Long-distance Control especially.
Optical touch screen a kind of easy for installation in above-mentioned three specific embodiments also comprises a power module 7.Power module 7 comprises that rechargeable battery 71 and is used for the photoelectric cell 72 to the rechargeable battery charging.The light receiving surface of photoelectric cell 72 is towards the display screen light source.For LCD, cathode tube display, plasma display etc., described display light source is a screen, is display for the display light source of projector.Can utilize the display light source to provide the part energy like this, perhaps whole energy for described a kind of optical touch screen easy for installation.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not subjected to the restriction of above-mentioned using method; that describes in above-mentioned using method and the instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (10)
1. optical touch screen easy for installation, comprise microprocessor module, communication module, the touch location detection module of detected touch point position with described microprocessor module communication, tool is characterised in that, comprises that also one is convenient to described a kind of optical touch screen easy for installation is fixed on the stationary installation in screen one side or bight;
Described touch location detection module is a touch location detection module of utilizing optical characteristics detected touch point position;
Described a kind of optical touch screen easy for installation comprises a housing, and described communication module and described touch location detection module are installed in the described housing.
2. a kind of optical touch screen easy for installation according to claim 1, it is characterized in that, comprise that also one is used for touch point calibration module that described a kind of optical touch screen easy for installation is calibrated, described touch point calibration module is one to have the touch area of delimiting the touch area function and delimit module.
3. a kind of optical touch screen easy for installation according to claim 2 is characterized in that described touch point calibration module will be used to divide the anchor point of touch area, simultaneously as calibrating the check point of usefulness.
4. a kind of optical touch screen easy for installation according to claim 1 is characterized in that, described communication module is the communication module of an employing wire transmission pattern.
5. a kind of optical touch screen easy for installation according to claim 1, it is characterized in that, described a kind of optical touch screen easy for installation also comprises a power module, described power module comprises that rechargeable battery and is used for the photoelectric cell to described rechargeable battery charging, and described photronic light receiving surface is towards the display screen light source.
6. according to claim 1,2,3,4 or 5 described a kind of optical touch screens easy for installation, it is characterized in that, described touch location detection module, be to adopt existing virtual laser keyboard to adopt, be used for determining the touch location detection module of structural principle of the click location detection module of click location.
7. according to claim 1,2,3,4 or 5 described a kind of optical touch screens easy for installation, it is characterized in that, described touch location detection module comprises the light activated element group, described light activated element group comprises at least two light activated elements, is covered with a light signal directive reception device that is used for the irrelevant direction light signal of filtering on described light activated element group; Described light activated element connects, and one is used to handle the signal processing module of the electric signal that described light activated element group transmits, and described signal processing module comprises the frequency-selecting module of the electric signal that is used for the irrelevant light signal generating of filtering;
Described communication module adopts infrared communication module, and on described infrared communication module and the equipment that is connected, original infrared receiving set is arranged in pairs or groups mutually, and described microprocessor module, described communication module, described touch location detection module are positioned at same housing.
8. according to claim 1,2,3,4 or 5 described a kind of optical touch screens easy for installation, it is characterized in that, described touch location detection module, comprise that one is used to absorb the camera head of touch pad place image, described camera head connects described microprocessor module and the touch point image is passed to described microprocessor module, and described microprocessor module is to have the microprocessor module of determining position, described touch point by described touch point image.
9. according to claim 1,2,3,4 or 5 described a kind of optical touch screens easy for installation, it is characterized in that, described touch location detection module, comprise at least two camera heads that are used to absorb touch pad place image, respectively the touch point image that obtains is passed to described microprocessor module, described microprocessor module is to have the microprocessor module of determining position, described touch point by described touch point image, and described two camera heads are installed in the same housing.
10. the purposes of a kind of optical touch screen easy for installation according to claim 7 is characterized in that, is applied to the comparatively simple electrical equipment of operations such as televisor, air-conditioning is carried out remote touch control.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910048469.1A CN101847058B (en) | 2009-03-25 | 2009-03-25 | Optical touch screen convenient for installation and application thereof |
| CN201410803927.9A CN104536623B (en) | 2009-03-25 | 2009-03-25 | Wireless optical touch-screen system and application thereof |
| CN201410803930.0A CN104536624B (en) | 2009-03-25 | 2009-03-25 | Optical touch screen systems provided with calibration function |
| CN201410801987.7A CN104536621B (en) | 2009-03-25 | 2009-03-25 | A kind of dual camera touch system and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910048469.1A CN101847058B (en) | 2009-03-25 | 2009-03-25 | Optical touch screen convenient for installation and application thereof |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410803927.9A Division CN104536623B (en) | 2009-03-25 | 2009-03-25 | Wireless optical touch-screen system and application thereof |
| CN201410803930.0A Division CN104536624B (en) | 2009-03-25 | 2009-03-25 | Optical touch screen systems provided with calibration function |
| CN201410801987.7A Division CN104536621B (en) | 2009-03-25 | 2009-03-25 | A kind of dual camera touch system and application thereof |
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| Publication Number | Publication Date |
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| CN101847058A true CN101847058A (en) | 2010-09-29 |
| CN101847058B CN101847058B (en) | 2015-03-25 |
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| CN102841710A (en) * | 2011-05-09 | 2012-12-26 | 林宏宇 | Sensing method and device |
| CN102981683A (en) * | 2012-12-10 | 2013-03-20 | 广东威创视讯科技股份有限公司 | Rapid correction method and optical axis correction method for optical positioning block of camera |
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| CN2485720Y (en) * | 2001-02-21 | 2002-04-10 | 北京汇冠科技有限公司 | Infrared touch display with assembled structure |
| CN1635541A (en) * | 2003-12-26 | 2005-07-06 | 北京汇冠新技术有限公司 | Photoelectric detection positioning system and method for computer touch screen |
| US20090058833A1 (en) * | 2007-08-30 | 2009-03-05 | John Newton | Optical Touchscreen with Improved Illumination |
| CN101344827A (en) * | 2008-08-22 | 2009-01-14 | 李兴文 | Optical touch screen and touch pen |
| CN101349955A (en) * | 2008-09-03 | 2009-01-21 | 嘉兴闻泰通讯科技有限公司 | Method for mapping touch screen based on five points calibration |
| CN201402454Y (en) * | 2009-03-25 | 2010-02-10 | 李兴文 | Touch screen capable of convenient installation |
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| CN102841710A (en) * | 2011-05-09 | 2012-12-26 | 林宏宇 | Sensing method and device |
| US9012828B2 (en) | 2011-05-09 | 2015-04-21 | Cho-Yi Lin | Method and device for sensing a position of an object |
| CN105183240A (en) * | 2011-05-09 | 2015-12-23 | 林卓毅 | Sensing Method And Device |
| CN102841710B (en) * | 2011-05-09 | 2016-01-27 | 林卓毅 | sensing method and device |
| US9606673B2 (en) | 2011-05-09 | 2017-03-28 | Cho-Yi Lin | Method and device for sensing a position of an object |
| CN102981683A (en) * | 2012-12-10 | 2013-03-20 | 广东威创视讯科技股份有限公司 | Rapid correction method and optical axis correction method for optical positioning block of camera |
| CN102981683B (en) * | 2012-12-10 | 2016-05-25 | 广东威创视讯科技股份有限公司 | A kind of camera optical alignment method for quickly correcting and optical axis bearing calibration thereof |
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