CN103970370A - Photoelectric touch system and method - Google Patents
Photoelectric touch system and method Download PDFInfo
- Publication number
- CN103970370A CN103970370A CN201410138790.XA CN201410138790A CN103970370A CN 103970370 A CN103970370 A CN 103970370A CN 201410138790 A CN201410138790 A CN 201410138790A CN 103970370 A CN103970370 A CN 103970370A
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- Prior art keywords
- unit
- infrared
- android system
- light spot
- display
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03542—Light pens for emitting or receiving light
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/002—Specific input/output arrangements not covered by G06F3/01 - G06F3/16
- G06F3/005—Input arrangements through a video camera
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/0304—Detection arrangements using opto-electronic means
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a photoelectric touch system which comprises an infrared transmitting unit, an infrared camera unit, an image processing unit and an Android system unit with an Android system serving as an operation system. The infrared transmitting unit is used for transmitting infrared and forming one or more infrared spots on a display surface. The infrared camera unit faces the display surface completely covered with the infrared camera unit in a view-angle range and is used for acquiring the infrared spots or a track formed when the infrared spots move and transmitting the infrared spots or the track to the image processing unit. The image processing unit converts the infrared spots or the track into a touch signal of the Android system unit and transmits the touch signal to the Android system unit. The invention further discloses a photoelectric touch method. By means of the photoelectric touch system and method, no modification is performed on the display surface, the structure and the processing are simple, and liquid crystal display televisions or projectors in any types can be converted into a multi-point photoelectric touch system with the Android operation system.
Description
Technical field
The present invention relates to photoelectricity touch technology field, particularly relate to a kind of photoelectricity touch-control system and photoelectricity touch control method.
Background technology
Along with social progress and the development of electronic technology, touch screen technology has been waited until application widely.With the display of touch-screen, generally include display panel and be arranged at the touch screen of display panel top.Touch-screen, according to medium used and principle of work, can be divided into resistance-type, condenser type, infrared-type and surface acoustic wave type multiple.At present comparatively conventional be two kinds of resistance-type and condenser types, but it all need to arrange the circuit of induction on panel, and structure and processing procedure be complexity comparatively.
Therefore, need to provide a kind of photoelectricity touch-control system and photoelectricity touch control method, to address the above problem.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of photoelectricity touch-control system and photoelectricity touch control method, can solve resistance-type or capacitive touch screen structure and the comparatively complicated technical matters of processing procedure in prior art.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of photoelectricity touch-control system is provided, this photoelectricity touch-control system comprises: the Android system unit that infrared emission unit, infrared camera unit, graphics processing unit and the Android system of take are operating system, and infrared emission unit is used for launching Infrared and on a display surface, forms at least one infrared light spot; Infrared camera unit covers display surface and the track that forms when obtaining infrared light spot or infrared light spot and move be sent to graphics processing unit completely towards display surface and angular field of view; Graphics processing unit is converted to infrared light spot or described track the touching signals of described Android system unit and is sent to described Android system unit.
Wherein, the screen that display surface is televisor or projection screen, the display frame corresponding with the display of Android system unit is shown on display surface.
Wherein, Android system unit comprises HDMI output interface, on televisor, comprise HDMI input interface, HDMI output interface connects with HDMI input interface and Android system unit is sent to televisor to show the picture corresponding with display on screen by display.
Wherein, Android system unit is sent to a projector by display, and projector is shown in the display frame corresponding with display on projection screen.
Wherein, photoelectricity touch-control system also comprises camera support, and infrared camera unit is fixed on televisor by camera support and infrared camera unit is positioned at upper the place ahead of the screen of televisor.
Wherein, camera support is fixed on the frame of screen of televisor.
Wherein, camera support is removably installed on televisor.
Wherein, infrared camera unit is removably connected on camera support, and camera support is collapsible.
For solving the problems of the technologies described above, another technical solution used in the present invention is: a kind of photoelectricity touch control method is provided, and this photoelectricity touch control method comprises: utilize infrared emission unit on display surface, to form at least one infrared light spot; The track forming while utilizing infrared camera unit to obtain infrared light spot or infrared light spot to move; Utilize graphics processing unit that infrared light spot or track are converted to the touching signals of Android system unit and are sent to Android system unit, wherein Android system be take as operating system in Android system unit.
Wherein, utilize infrared emission unit to comprise form at least one infrared light spot on display surface before: the display frame that the display with Android system unit is corresponding is shown on display surface.
The invention has the beneficial effects as follows: the situation that is different from prior art, the track that the present invention forms while moving by the infrared light spot on infrared camera unit seizure display surface or infrared light spot, then graphics processing unit is converted to infrared light spot or track the touching signals of Android system unit and is sent to Android system unit, thereby can realize without display surface itself is made any change, structure and processing procedure are simple and the liquid crystal TV set of any style or projector can be converted to the multiple spot photoelectricity touch-control system with Android operating system.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the first embodiment of photoelectricity touch-control system of the present invention;
Fig. 2 is the circuit module schematic diagram of the first embodiment of photoelectricity touch-control system of the present invention;
Fig. 3 is the schematic diagram of the infrared camera cellular installation mode of photoelectricity touch-control system the second embodiment of the present invention;
Fig. 4 is the process flow diagram of photoelectricity touch control method of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be described in detail.
Refer to Fig. 1, Fig. 1 is the principle schematic of the first embodiment of photoelectricity touch-control system of the present invention.Photoelectricity touch-control system comprises: the Android system unit 13 that infrared emission unit 10, infrared camera unit 11, graphics processing unit 12 and the Android system of take are operating system.
Infrared emission unit 10 is for launching Infrared and form at least one infrared light spot 15 on a display surface 14.In the present embodiment, infrared emission unit 10 is preferably infrared light pen 10, and in other embodiments, infrared emission unit 10 can be also that other are for launching the device of Infrared.
Infrared camera unit 11 covers display surface 14 completely towards display surface 14 and angular field of view, and the track forming when infrared camera unit 11 moves for obtaining infrared light spot 15 or infrared light spot 15 is also sent to graphics processing unit 12.
Thereby the track that graphics processing unit 12 forms when infrared light spot 15 or infrared light spot 15 are moved is converted to the touching signals of Android system unit 13 and is sent to Android system unit 13 and forms the optical multi-touch system that can control Android system.
In the present embodiment, display surface 14 is projection screen 14, and the display frame corresponding with the display of Android system unit 13 is shown on display surface 14.In the present embodiment, embedded system that Android system is operating system and do not comprise touch-screen be take in Android system unit 13, in other embodiments, Android system unit 13 also can arrange touch-screen, such as Android system unit 13, can be mobile phone or panel computer etc.
In the present embodiment, the hand-held infrared light pen 10 of user, on projection screen 14, according to touch-control consciousness, form infrared light spot 15 or infrared light spot 15 is moved to formation track, then infrared camera unit 11 catches view data, graphics processing unit 12 converts view data the touching signals of Android system unit 13 to and is sent to Android system unit 13, in said process, the display frame corresponding with the display of Android system unit 13 is shown on projection screen 14, preferably, Android system unit 13 is sent to a projector (not shown) by display, projector is shown in the display frame corresponding with display on projection screen 14.In other embodiments, for example, when Android system unit 13 comprises that touch-screen (, Android system unit 13 adopts mobile phone or panel computer) time, this display had both been sent to touch-screen and had also been sent to projector, allowed display frame synchronously be shown on touch-screen and projection screen 14.
In the present embodiment, infrared camera unit 11 is erected at the dead ahead of projection screen, infrared camera unit 11, graphics processing unit 12 and Android system unit 13 can integrate, or also can select that arbitrarily the two integrates, or three is separately integrated, or can also for example, by three kinds of existing equipments (, mobile phone, camera, image processor), by cable, carry together and realize.
In the present embodiment, infrared camera unit 11, graphics processing unit 12 and Android system unit 13 can also arrange and be embedded in projector, thereby facilitate the lift-launch of photoelectricity touch-control system.
Refer to Fig. 2, Fig. 2 is the circuit module schematic diagram of the first embodiment of photoelectricity touch-control system of the present invention.In the present embodiment, infrared camera unit 11 is preferably camera module 11, graphics processing unit 12 is preferably and comprises that ARM Cortex M3 processor 121, dsp processor 122 and FLASH storer 123, Android system unit 13 are preferably and comprise ARM Cortex A9 processor 131, SD card memory 132, WIFI module 133, FLASH storer 134 and SDRAM storer 135.
Camera module 11 is connected with dsp processor 122, and dsp processor 122 is controlled camera module 11, and camera module 11 sends view data to dsp processor 122.
Dsp processor 122 is connected with ARM Cortex M3 processor 121 by UART interface, and the RESET pin of dsp processor connects ARM Cortex M3 processor 121.
Dsp processor 122 is connected by SPI interface with FLASH storer 123.
ARM Cortex M3 processor 121 is connected by USB interface with ARM Cortex A9 processor 131.
SD card memory 132, WIFI module 133, FLASH storer 134 and SDRAM storer 135 are connected with ARM Cortex A9 processor 131 respectively.
Refer to Fig. 3, Fig. 3 is the schematic diagram of the infrared camera cellular installation mode of photoelectricity touch-control system the second embodiment of the present invention.Be with the difference of the first embodiment of photoelectricity touch-control system of the present invention: in the present embodiment, display surface is the screen of televisor 22, and the display frame corresponding with the display of Android system unit is shown on screen.Preferably, Android system unit comprises HDMI output interface, on televisor, comprise HDMI input interface, HDMI output interface is connected with HDMI input interface, and Android system unit is sent to televisor to show the picture corresponding with display on screen by display.
In the present embodiment, photoelectricity touch-control system also comprises camera support 21, and infrared camera unit 20 is fixed on televisor 22 by camera support 21 and infrared camera unit 20 is positioned at upper the place ahead of the screen of televisor 22.
More preferably, camera support 21 is fixed in the frame (not shown) of screen of televisor 22.Thereby camera support 21 is removably installed on the frame of screen of televisor 22 and makes camera support 21 can not take unnecessary space when not using.In other embodiments, infrared camera unit 20 can be to be also removably connected on camera support 21, thereby and the collapsible camera support 21 that makes of camera support 21 is not folded up and can be taken unnecessary space when not using.
Refer to Fig. 4, Fig. 4 is the process flow diagram of photoelectricity touch control method of the present invention.In the present embodiment, photoelectricity touch control method comprises the following steps:
Step S31: utilize infrared emission unit to form at least one infrared light spot on display surface.
In step S31, before step S31, can in advance display frame corresponding to the display with Android system unit 13 be shown on display surface.In the present embodiment, infrared emission unit 10 is preferably infrared light pen 10, and display surface 14 is the screen of projection screen 14 or televisor 22.In other embodiments, infrared emission unit 10 can be also that other are for launching the device of Infrared.
Step S32: utilize infrared camera unit to obtain the track forming when infrared light spot on display surface or infrared light spot move.
In step S32, infrared camera unit 11 covers display surface 14 completely towards display surface 14 and angular field of view.
Step S33: utilize graphics processing unit that infrared light spot or track are converted to the touching signals of Android system unit and are sent to Android system unit.
In step S33, Android system be take as operating system in Android system unit 13.
Be different from prior art, the track that the present invention forms while moving by the infrared light spot on infrared camera unit seizure display surface or infrared light spot, then graphics processing unit is converted to infrared light spot or track the touching signals of Android system unit and is sent to Android system unit, thereby can realize without display surface itself is made any change, structure and processing procedure are simple and the liquid crystal TV set of any style or projector can be converted to the multiple spot photoelectricity touch-control system with Android operating system.
The foregoing is only 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. a photoelectricity touch-control system, it is characterized in that, described photoelectricity touch-control system comprises: the Android system unit that infrared emission unit, infrared camera unit, graphics processing unit and the Android system of take are operating system, and described infrared emission unit is used for launching Infrared and on a display surface, forms at least one infrared light spot; Described infrared camera unit covers described display surface and the track that forms when obtaining described infrared light spot or described infrared light spot and move be sent to described graphics processing unit completely towards described display surface and angular field of view; Described graphics processing unit is converted to described infrared light spot or described track the touching signals of described Android system unit and is sent to described Android system unit.
2. photoelectricity touch-control system according to claim 1, is characterized in that, the screen that described display surface is televisor or projection screen, and the display frame corresponding with the display of described Android system unit is shown on described display surface.
3. photoelectricity touch-control system according to claim 2, it is characterized in that, described Android system unit comprises HDMI output interface, on described televisor, comprise HDMI input interface, described HDMI output interface connects with described HDMI input interface and described Android system unit is sent to described televisor to show the picture corresponding with described display on described screen by described display.
4. photoelectricity touch-control system according to claim 2, is characterized in that, described Android system unit is sent to a projector by described display, and described projector is shown in the described display frame corresponding with described display on described projection screen.
5. photoelectricity touch-control system according to claim 3, it is characterized in that, described photoelectricity touch-control system also comprises camera support, and described infrared camera unit is fixed on described televisor by described camera support and described infrared camera unit is positioned at upper the place ahead of the screen of described televisor.
6. photoelectricity touch-control system according to claim 5, is characterized in that, described camera support is fixed on the frame of screen of described televisor.
7. photoelectricity touch-control system according to claim 5, is characterized in that, described camera support is removably installed on described televisor.
8. photoelectricity touch-control system according to claim 5, is characterized in that, described infrared camera unit is removably connected on described camera support, and described camera support is collapsible.
9. a photoelectricity touch control method, is characterized in that, described photoelectricity touch control method comprises:
Utilize infrared emission unit on display surface, to form at least one infrared light spot;
The track forming while utilizing infrared camera unit to obtain described infrared light spot or described infrared light spot to move;
Utilize graphics processing unit that described infrared light spot or described track are converted to the touching signals of Android system unit and are sent to described Android system unit, Android system be take as operating system in wherein said Android system unit.
10. photoelectricity touch control method according to claim 9, is characterized in that, the described infrared emission unit that utilizes comprises form at least one infrared light spot on display surface before:
The display frame that display with described Android system unit is corresponding is shown on described display surface.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410138790.XA CN103970370B (en) | 2014-04-04 | 2014-04-04 | Photoelectricity touch-control system and photoelectricity touch control method |
| DE202014104839.1U DE202014104839U1 (en) | 2014-04-04 | 2014-10-09 | Photoelectric touch system |
| US14/514,367 US20150103054A1 (en) | 2013-10-14 | 2014-10-14 | Photoelectric touch assembly, photoelectric touch method and projector with touch function |
| US14/723,088 US10185445B2 (en) | 2013-10-14 | 2015-05-27 | Determining touch signals from interactions with a reference plane proximate to a display surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410138790.XA CN103970370B (en) | 2014-04-04 | 2014-04-04 | Photoelectricity touch-control system and photoelectricity touch control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103970370A true CN103970370A (en) | 2014-08-06 |
| CN103970370B CN103970370B (en) | 2018-03-16 |
Family
ID=51239953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410138790.XA Expired - Fee Related CN103970370B (en) | 2013-10-14 | 2014-04-04 | Photoelectricity touch-control system and photoelectricity touch control method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103970370B (en) |
| DE (1) | DE202014104839U1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105573493A (en) * | 2015-11-27 | 2016-05-11 | 联想(北京)有限公司 | Information processing method and electronic devices |
| CN106442521A (en) * | 2015-05-12 | 2017-02-22 | 欧普菲有限公司 | Method, apparatus and computer program product for testing a device |
| WO2017028359A1 (en) * | 2015-08-19 | 2017-02-23 | 李江 | Touch control apparatus and touch control method |
| WO2017028360A1 (en) * | 2015-08-19 | 2017-02-23 | 李江 | Touch control system and touch control table |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019006253A1 (en) * | 2019-09-04 | 2021-03-04 | Kastriot Merlaku | Image display or TV set |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102467295A (en) * | 2010-10-28 | 2012-05-23 | 原相科技股份有限公司 | View screen display module, display device and electronic device adopting same |
| CN202453644U (en) * | 2012-01-17 | 2012-09-26 | 光峰光电(无锡)有限公司 | Novel interactive projector |
| CN103092436A (en) * | 2012-09-24 | 2013-05-08 | 深圳市海亚科技发展有限公司 | Portable optical interaction instrument |
| CN202995681U (en) * | 2012-12-01 | 2013-06-12 | 青岛坤显电子有限公司 | Front-casting type touch system |
-
2014
- 2014-04-04 CN CN201410138790.XA patent/CN103970370B/en not_active Expired - Fee Related
- 2014-10-09 DE DE202014104839.1U patent/DE202014104839U1/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102467295A (en) * | 2010-10-28 | 2012-05-23 | 原相科技股份有限公司 | View screen display module, display device and electronic device adopting same |
| CN202453644U (en) * | 2012-01-17 | 2012-09-26 | 光峰光电(无锡)有限公司 | Novel interactive projector |
| CN103092436A (en) * | 2012-09-24 | 2013-05-08 | 深圳市海亚科技发展有限公司 | Portable optical interaction instrument |
| CN202995681U (en) * | 2012-12-01 | 2013-06-12 | 青岛坤显电子有限公司 | Front-casting type touch system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442521A (en) * | 2015-05-12 | 2017-02-22 | 欧普菲有限公司 | Method, apparatus and computer program product for testing a device |
| WO2017028359A1 (en) * | 2015-08-19 | 2017-02-23 | 李江 | Touch control apparatus and touch control method |
| WO2017028360A1 (en) * | 2015-08-19 | 2017-02-23 | 李江 | Touch control system and touch control table |
| CN106468977A (en) * | 2015-08-19 | 2017-03-01 | 李江 | Contactor control device and touch control method |
| CN106468976A (en) * | 2015-08-19 | 2017-03-01 | 李江 | Touch-control system and touch table |
| CN105573493A (en) * | 2015-11-27 | 2016-05-11 | 联想(北京)有限公司 | Information processing method and electronic devices |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103970370B (en) | 2018-03-16 |
| DE202014104839U1 (en) | 2014-10-27 |
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Granted publication date: 20180316 Termination date: 20190404 |