CN202677352U - Optical touch type electronic whiteboard - Google Patents
Optical touch type electronic whiteboard Download PDFInfo
- Publication number
- CN202677352U CN202677352U CN 201220329976 CN201220329976U CN202677352U CN 202677352 U CN202677352 U CN 202677352U CN 201220329976 CN201220329976 CN 201220329976 CN 201220329976 U CN201220329976 U CN 201220329976U CN 202677352 U CN202677352 U CN 202677352U
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- electrically connected
- optical touch
- touch
- electronic whiteboard
- touch screen
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Abstract
The utility model discloses an optical touch type electronic whiteboard, which comprises a display unit, a loudspeaker unit, a driving unit and a touch screen, wherein the driving unit is electrically connected with the display unit, the loudspeaker unit and the touch screen; the touch screen is an optical touch screen; the optical touch screen comprises a CMOS (complementary metal oxide semiconductor) camera, an infrared emission tube, a driving circuit and a signal processing circuit; the driving circuit is electrically connected with the infrared emission tube to send a scanround signal to the infrared emission tube; the signal processing circuit is electrically connected with the CMOS camera to analyze and process a signal received by the CMOS camera, and determine a position signal corresponding to the touch action; and the signal processing circuit is also electrically connected to the driving unit. The optical touch type electronic whiteboard disclosed by the utility model has the advantages of high touch response speed and strong anti-jamming capability, and multi-point touch can be realized by the optical touch screen.
Description
Technical field
The utility model relates to a kind of display device, especially relates to a kind of electronic whiteboard of optical touch.
Background technology
Present electronic whiteboard product on the market all is based on a kind of PC system all-in-one machine, this kind all-in-one is to comprise two separate PC and TV system in fact, PC system complicated operation, system are vulnerable to attack and collapse, and major part can only use keyboard and mouse or telepilot to operate, and a small amount of band touch-screen product uses infrared technique, can't realize multiple point touching, and easily be subject to the interference of other light sources, cause ordinary consumer well to use.
The utility model content
In view of this, be necessary to provide a kind of electronic whiteboard of optical touch, utilize described electronic whiteboard to solve the existing loaded down with trivial details problem of electronic whiteboard product operation.
The utility model is to realize like this, a kind of electronic whiteboard of optical touch, it comprises display unit, loudspeaker unit, driver element, touch-screen, described driver element and described display unit, described loudspeaker unit, described touch-screen all is electrically connected, described touch-screen is optical touch screen, described optical touch screen comprises the CMOS camera, infrared transmitting tube, driving circuit and signal processing circuit, described driving circuit is electrically connected with described infrared transmitting tube described infrared transmitting tube is sent the scan round signal, described signal processing circuit is electrically connected the signal that described CMOS camera is received with described CMOS camera carries out analyzing and processing and determines the position signalling corresponding with touch action, and described signal processing circuit also is electrically connected on described driver element.
As the further improvement of such scheme, described electronic whiteboard also comprises the power supply unit that all is electrically connected with described driver element and described display unit, and described power supply unit provides dc supply for described driver element and described display unit.
As the further improvement of such scheme, described electronic whiteboard also comprises the power supply unit that all is electrically connected with described driver element and described display unit, and power supply unit provides dc supply for described driver element and described display unit.
The advantage of the electronic whiteboard of the optical touch that the utility model provides is: adopt optical touch screen can realize multiple point touching, touch-responsive speed is fast, and antijamming capability is strong.
Description of drawings
The structural representation of the electronic whiteboard of the optical touch that Fig. 1 provides for the utility model better embodiment.
Main symbol description: driver element 1, display unit 2, power supply unit 3, touch-screen 4, loudspeaker unit 5, CMOS camera 41, infrared transmitting tube 43, driving circuit 44, signal processing circuit 45, processor 11, LCD TV decoding chip 12, HDMI signal output part 110, UART interface 112, audio signal output end 122, HDMI interface 123, Low Voltage Differential Signal output terminal 124, LVDS interface 21, usb 1 17.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
See also Fig. 1, the structural representation of the electronic whiteboard of the optical touch that it provides for the utility model better embodiment.Electronic whiteboard comprises driver element 1, display unit 2, touch-screen 4, loudspeaker unit 5 and the power supply unit 3 that dc supply is provided for driver element 1 and display unit 2.
In the present embodiment, driver element 1 comprises operation Android(Android) the processor 11(of system selects the MST801 chip in the present embodiment) and LCD TV decoding chip 12.Processor 11 comprises HDMI signal output part 110, the UART(UART Universal Asynchronous Receiver Transmitter of output HDMI signal) interface 112, usb 1 17.The UART interface 112(LCD TV decoding chip 12 that processor 11 is connected with the LCD TV decoding chip by separately also is provided with UART interface 112) communication connects.Touch-screen 4 is electrically connected with usb 1 17.
In the present embodiment, touch-screen 4 adopts optical touch screen, optical touch screen comprises CMOS camera 41, infrared transmitting tube 43, driving circuit 44 and signal processing circuit 45, wherein, driving circuit 44 is electrically connected with infrared transmitting tube 43 infrared transmitting tube 43 is sent the scan round signal, signal processing circuit 45 is electrically connected the signal that CMOS camera 41 is received with CMOS camera 41 carries out analyzing and processing and determines the position signalling corresponding with touch action, and signal processing circuit 45 also is electrically connected on the usb 1 17 of processor 11.
LCD TV decoding chip 12 also is provided with the HDMI interface 123 that receives the HDMI signal.HDMI interface 123 is electrically connected the HDMI signal that is used for receiving processor 11 outputs with HDMI signal output part 110.In other embodiments, LCD TV decoding chip 12 can also arrange some signal receiving interfaces, and described signal receiving interface can be selected from the Tuner interface that receives the TV signal, the AV interface of receiving video signals and the D-SUB interface of reception VGA signal.
LCD TV decoding chip 12 also is provided with audio signal output end 122 and Low Voltage Differential Signal output terminal 124, the LVDS interface 21 of display unit 2 is electrically connected with Low Voltage Differential Signal output terminal 124, loudspeaker unit 5 is electrically connected with audio signal output end 122, thereby is convenient to the operation of driver element 1 control display unit 2 and loudspeaker unit 5.
In sum, the electronic whiteboard of the optical touch that the utility model provides adopts optical touch screen 4 its touches effective, easy to operate.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (2)
1. the electronic whiteboard of an optical touch, it comprises display unit, loudspeaker unit, driver element, touch-screen, described driver element and described display unit, described loudspeaker unit, described touch-screen all is electrically connected, it is characterized in that, described touch-screen is optical touch screen, described optical touch screen comprises the CMOS camera, infrared transmitting tube, driving circuit and signal processing circuit, described driving circuit is electrically connected with described infrared transmitting tube described infrared transmitting tube is sent the scan round signal, described signal processing circuit is electrically connected the signal that described CMOS camera is received with described CMOS camera carries out analyzing and processing and determines the position signalling corresponding with touch action, and described signal processing circuit also is electrically connected on described driver element.
2. the electronic whiteboard of a kind of optical touch as claimed in claim 1, it is characterized in that, described electronic whiteboard also comprises the power supply unit that all is electrically connected with described driver element and described display unit, and described power supply unit provides dc supply for described driver element and described display unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220329976 CN202677352U (en) | 2012-07-09 | 2012-07-09 | Optical touch type electronic whiteboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220329976 CN202677352U (en) | 2012-07-09 | 2012-07-09 | Optical touch type electronic whiteboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202677352U true CN202677352U (en) | 2013-01-16 |
Family
ID=47498240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220329976 Expired - Fee Related CN202677352U (en) | 2012-07-09 | 2012-07-09 | Optical touch type electronic whiteboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202677352U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531900A (en) * | 2019-09-11 | 2019-12-03 | 成都黝影科技有限公司 | A kind of capacitance touching control blank |
-
2012
- 2012-07-09 CN CN 201220329976 patent/CN202677352U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531900A (en) * | 2019-09-11 | 2019-12-03 | 成都黝影科技有限公司 | A kind of capacitance touching control blank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ANHUI TELIT TECHNOLOGY CO., LTD. Free format text: FORMER NAME: ANHUI TELIT ELECTRON CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 230031 B, international business center, 162 Jinzhai Road, Anhui, Hefei, 806 Patentee after: ANHUI TELIT TECHNOLOGY CO., LTD. Address before: 230000 B, international business center, 162 Jinzhai Road, Anhui, Hefei, 806 Patentee before: Anhui Telit Electron Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: High tech Zone 230031 Hefei Road, Anhui province Tianzhi Tongchuang Science Park No. 5, building 1, room 1101 Patentee after: ANHUI TELIT TECHNOLOGY CO., LTD. Address before: 230031 B, international business center, 162 Jinzhai Road, Anhui, Hefei, 806 Patentee before: ANHUI TELIT TECHNOLOGY CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20150709 |
|
| EXPY | Termination of patent right or utility model |