CN202677348U - Function-expandable electronic whiteboard - Google Patents
Function-expandable electronic whiteboard Download PDFInfo
- Publication number
- CN202677348U CN202677348U CN 201220329815 CN201220329815U CN202677348U CN 202677348 U CN202677348 U CN 202677348U CN 201220329815 CN201220329815 CN 201220329815 CN 201220329815 U CN201220329815 U CN 201220329815U CN 202677348 U CN202677348 U CN 202677348U
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- interface
- hdmi
- signal output
- electrically connected
- display unit
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Abstract
The utility model discloses a function-expandable electronic whiteboard, comprising a display unit with an LVDS (Low Voltage Differential Signal) interface, a loudspeaker unit and a driving unit which is electrically connected with the display unit and the loudspeaker unit. The driving unit comprises a liquid crystal television decoding chip and a processor for running an Android system; the liquid crystal television chip and the processor are in communication connection by using their respective UART (Universal Asynchronous Receiver /Transmitter) interfaces; the liquid crystal television decoding chip is further provided with an audio signal output end, a plurality of signal receiving interfaces and a low voltage differential signal output end, and the plurality of signal receiving interfaces include at least one interface selected from a Tunner interface for receiving TV signals, an HDMI (High Definition Multimedia Interface) for receiving HDMI signals, an AV (Audio-Video) interface for receiving video signals and a D-SUB (D-subminiature) interface for receiving VGA (Video Graphic Array) signals; and the LVDS interface of the display unit is electrically connected with the low voltage differential signal output end; and the loudspeaker unit is electrically connected with the audio signal output end. The function-expandable electronic whiteboard has the advantage that the function of the whiteboard is expandable.
Description
Technical field
The utility model relates to a kind of display device, especially relates to a kind of electronic whiteboard of multifunction formula.
Background technology
Present Web TV on the market all is based on the linux embedded system, and there is system lock in this kind Web TV, the defective that function can't be expanded; Also have 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, not mutual and communication, and also the PC system also has operational applications and software is installed complicated defective, causes ordinary consumer well to use.In addition, two kinds of systems all can only use keyboard and mouse or telepilot to control complex operation more than.
The utility model content
In view of this, be necessary to provide a kind of electronic whiteboard of multifunction formula, utilize described electronic whiteboard to solve the problem that the existing network TV functions can't be expanded.
The utility model is to realize like this, a kind of electronic whiteboard of multifunction formula, it comprises the display unit with LVDS interface, loudspeaker unit and with described display unit, the driver element that described loudspeaker unit all is electrically connected, described driver element comprises the processor of LCD TV decoding chip and operation Android system, described LCD TV decoding chip is connected with described processor adopting UART interface communication separately, described LCD TV decoding chip also is provided with audio signal output end, some signal receiving interfaces and Low Voltage Differential Signal output terminal, described some signal receiving interfaces are selected from the Tuner interface that receives the TV signal, receive the HDMI interface of HDMI signal, at least a interface in the D-SUB interface of the AV interface of receiving video signals and reception VGA signal, the LVDS interface of described display unit is electrically connected with described Low Voltage Differential Signal output terminal, and described loudspeaker unit is electrically connected with described audio signal output end.
Further improvement as such scheme, when described processor comprises the HDMI signal output part of output HDMI signal, described LCD TV decoding chip is selected the HDMI interface, and described HDMI interface comprises the 2nd HDMI interface that is electrically connected the HDMI interface that receives outside HDMI signal with external devices and is electrically connected the HDMI signal that the described processor of reception exports with described HDMI signal output part.
As the further improvement of such scheme, described electronic whiteboard also comprises the power supply unit that all is electrically connected with described processor and described display unit, and power supply unit provides dc supply for described processor and described display unit.
The advantage of the electronic whiteboard of the multifunction formula that the utility model provides is: arranging of some signal receiving interfaces of LCD TV decoding chip can make electronic whiteboard carry out Function Extension by some signal receiving interfaces, carrying out smoothly of electronic whiteboard function expansion design is convenient in the design of the processor of its operation Android system.
Description of drawings
The structural representation of the electronic whiteboard of the multifunction formula that Fig. 1 provides for the utility model preferred embodiments.
Main symbol description: driver element 1, display unit 2, loudspeaker unit 5, power supply unit 3, processor 11, LCD TV decoding chip 12, HDMI signal output part 110, UART interface 112, Tuner interface 121, audio signal output end 122, HDMI interface 123, Low Voltage Differential Signal output terminal 124, AV interface 125, a HDMI interface 126, D-SUB interface 127, the 2nd HDMI interface 128, LVDS interface 21.
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 multifunction formula that it provides for the utility model preferred embodiments.Electronic whiteboard comprises driver element 1, display unit 2, loudspeaker unit 5 and the power supply unit 3 that dc supply is provided for driver element 1 and display unit 2.
LCD TV decoding chip 12 also is provided with the AV interface 125 of the Tuner interface 121 that receives the TV signal, the HDMI interface 123 that receives the HDMI signal, receiving video signals and receives the D-SUB interface 127 of VGA signal.Tuner interface 121, HDMI interface 123, AV interface 125 and D-SUB interface 127 are the signal receiving interface of LCD TV decoding chip 12, in other embodiments, the signal receiving interface can be selected from least a interface in Tuner interface 121, HDMI interface 123, AV interface 125 and the D-SUB interface 127.
Wherein, HDMI interface 123 comprises being electrically connected with external devices and is used for receiving a HDMI interface 126 of outside HDMI signal and is electrically connected the 2nd HDMI interface 128 that is used for the HDMI signal that receiving processor 11 exports with HDMI signal output part 110.Therefore, LCD TV decoding chip 12 can receive outside HDMI signal by a HDMI interface 126, also can be by the HDMI signal of the 2nd HDMI interface 128 receiving processors 11 outputs.
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 multifunction formula that the utility model provides, arranging of some signal receiving interfaces of LCD TV decoding chip 12 can make electronic whiteboard carry out Function Extension by some signal receiving interfaces, carrying out smoothly of electronic whiteboard function expansion design is convenient in the design of the processor 11 of its operation Android system.
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 (3)
1. the electronic whiteboard of a multifunction formula, it comprises the display unit with LVDS interface, loudspeaker unit and with described display unit, the driver element that described loudspeaker unit all is electrically connected, it is characterized in that, described driver element comprises the processor of LCD TV decoding chip and operation Android system, described LCD TV decoding chip is connected with described processor adopting UART interface communication separately, described LCD TV decoding chip also is provided with audio signal output end, some signal receiving interfaces and Low Voltage Differential Signal output terminal, described some signal receiving interfaces are selected from the Tuner interface that receives the TV signal, receive the HDMI interface of HDMI signal, at least a interface in the D-SUB interface of the AV interface of receiving video signals and reception VGA signal, the LVDS interface of described display unit is electrically connected with described Low Voltage Differential Signal output terminal, and described loudspeaker unit is electrically connected with described audio signal output end.
2. the electronic whiteboard of a kind of multifunction formula as claimed in claim 1, it is characterized in that, when described processor comprises the HDMI signal output part of output HDMI signal, described LCD TV decoding chip is selected the HDMI interface, and described HDMI interface comprises the 2nd HDMI interface that is electrically connected the HDMI interface that receives outside HDMI signal with external devices and is electrically connected the HDMI signal that the described processor of reception exports with described HDMI signal output part.
3. the electronic whiteboard of a kind of multifunction formula as claimed in claim 1 or 2, it is characterized in that, described electronic whiteboard also comprises the power supply unit that all is electrically connected with described processor and described display unit, and power supply unit provides dc supply for described processor and described display unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220329815 CN202677348U (en) | 2012-07-09 | 2012-07-09 | Function-expandable electronic whiteboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220329815 CN202677348U (en) | 2012-07-09 | 2012-07-09 | Function-expandable electronic whiteboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202677348U true CN202677348U (en) | 2013-01-16 |
Family
ID=47498236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220329815 Expired - Fee Related CN202677348U (en) | 2012-07-09 | 2012-07-09 | Function-expandable electronic whiteboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202677348U (en) |
-
2012
- 2012-07-09 CN CN 201220329815 patent/CN202677348U/en not_active Expired - Fee Related
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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: 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: 230000 B, international business center, 162 Jinzhai Road, Anhui, Hefei, 806 Patentee before: Anhui Telit Electron 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 |