CN202677355U - Remote control type electronic whiteboard - Google Patents
Remote control type electronic whiteboard Download PDFInfo
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- CN202677355U CN202677355U CN 201220330511 CN201220330511U CN202677355U CN 202677355 U CN202677355 U CN 202677355U CN 201220330511 CN201220330511 CN 201220330511 CN 201220330511 U CN201220330511 U CN 201220330511U CN 202677355 U CN202677355 U CN 202677355U
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Abstract
The utility model discloses a remote control type electronic whiteboard, comprising a display unit with an LVDS (Low Voltage Differential Signal) interface, a loudspeaker unit, a remote control unit, a first wireless transmission unit, a first wireless receiving unit and a driving unit. The remote control unit comprises a second wireless transmission unit and a second wireless receiving unit; the first wireless transmission unit is in wireless communication with the second wireless receiving unit; the first wireless receiving unit is in wireless communication with the second wireless transmission unit; the second wireless transmission unit comprises a first signal processing circuit, a key part, an optical finger navigation module, an audio frequency processing circuit and an RF (Radio Frequency) transmission circuit, and the key part, the optical finger navigation module, the audio frequency processing circuit and the RF transmission circuit are electrically connected with the first signal processing circuit; and the audio frequency processing circuit is further electrically connected with the RF transmission circuit, and the first signal processing circuit is electrically connected with a second wireless receiving unit. The electronic whiteboard has the advantages that remote control operation is achieved to facilitate the use by users; and the application of the optical finger navigation module obtains better controlled rate.
Description
Technical field
The utility model relates to a kind of display device, especially relates to a kind of electronic whiteboard that operates remote-controlled.
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, more than on two kinds of system applies electronic whiteboards the time, generally only use keyboard and mouse to control.
The utility model content
In view of this, be necessary to provide a kind of electronic whiteboard that operates remote-controlled, thereby be user-friendly to.
The utility model is to realize like this, a kind of electronic whiteboard that operates remote-controlled, it comprises the display unit with LVDS interface, loudspeaker unit, remote control unit, the first wireless transmitting unit, the first radio receiving unit and with described display unit, described loudspeaker unit, described the first wireless transmitting unit, the driver element that described the first radio receiving unit all is electrically connected, described remote control unit comprises the second wireless transmitting unit and the second radio receiving unit, described the first wireless transmitting unit and described the second radio receiving unit wireless telecommunications, described the first radio receiving unit and described the second wireless transmitting unit wireless telecommunications, described the second wireless transmitting unit comprises first signal treatment circuit and the button section that all is electrically connected with described first signal treatment circuit, the optical finger navigation module, audio frequency processing circuit and RF radiating circuit, described audio frequency processing circuit also is electrically connected with described RF radiating circuit, and described first signal treatment circuit also is electrically connected on described the second radio receiving unit.
As the further improvement of such scheme, described button section comprises some TV remote-control buttons and the some keyboards that all is electrically connected with described first signal treatment circuit.
Further improvement as such scheme, 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, the LVDS interface of described display unit is electrically connected with described Low Voltage Differential Signal output terminal, described loudspeaker unit is electrically connected with described audio signal output end, described processor and described the first wireless transmitting unit, described the first radio receiving unit all is electrically connected.
As the further improvement of such scheme, described some signal receiving interfaces are selected from the AV interface of the Tuner interface that receives the TV signal, the HDMI interface that receives the HDMI signal, receiving video signals and receive at least a interface in the D-SUB interface of VGA signal.
Further improvement as such scheme, described processor comprises the HDMI signal output part of output HDMI signal, described some signal receiving interfaces are the HDMI interface, and described HDMI interface comprises and is electrically connected the HDMI interface that receives outside HDMI signal with external devices and is electrically connected the 2nd HDMI interface that receives the HDMI signal that described processor 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.
As the further improvement of such scheme, described processor is the MST801 chip.
Further improvement as such scheme, described processor also comprises the USB interface of receive data, described optical touch screen comprises the CMOS camera, infrared transmitting tube, driving circuit and secondary signal treatment circuit, described driving circuit is electrically connected with described infrared transmitting tube described infrared transmitting tube is sent the scan round signal, described secondary signal treatment circuit is electrically connected the signal that described CMOS camera is received with described CMOS camera to carry out analyzing and processing and determines the position signalling corresponding with touch action, and described secondary signal treatment circuit also is electrically connected on described USB interface.
The advantage of the electronic whiteboard of the operation remote-controlled that the utility model provides is: can realize the operation remote-controlled the same with domestic television set, thereby be user-friendly to, and the application of its optical finger navigation module obtains better controlled rate; Arranging of some signal receiving interfaces of LCD TV decoding chip can make electronic whiteboard carry out Function Extension by some signal receiving interfaces, and carrying out smoothly of electronic whiteboard function expansion design is convenient in the design of the processor of its operation Android system; Adopt its touch of optical touch screen effective, easy to operate.
Description of drawings
The structural representation of the electronic whiteboard of the operation remote-controlled that Fig. 1 provides for the utility model preferred embodiments.
Main symbol description: driver element 1, display unit 2, power supply unit 3, touch-screen 4, loudspeaker unit 5, 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, the one HDMI interface 126, D-SUB interface 127, the 2nd HDMI interface 128, LVDS interface 21, CMOS camera 41, infrared transmitting tube 43, driving circuit 44, secondary signal treatment circuit 45, usb 1 17, network interface 118, memory card interface 119, remote control unit 7, the first wireless transmitting unit 8, the first radio receiving unit 9, the second wireless transmitting unit 71, the second radio receiving unit 73, first signal treatment circuit 710, button section 712, optical finger navigation module 714, audio frequency processing circuit 715, RF radiating circuit 716.
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 operation remote-controlled that it provides for the utility model preferred embodiments.Electronic whiteboard comprises driver element 1, display unit 2, touch-screen 4, loudspeaker unit 5, remote control unit 7, the first wireless transmitting unit 8, the first radio receiving unit 9 and the power supply unit 3 that dc supply is provided for driver element 1 and display unit 2.
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, usb 1 17, network interface 118, memory card interface 119 and the UART(UART Universal Asynchronous Receiver Transmitter of output HDMI signal) interface 112.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, and network interface 118, memory card interface 119 are connected with external devices, and it can and be stored in network data for example is that data in the TF card manage.
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.
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 secondary signal treatment circuit 45, wherein, driving circuit 44 is electrically connected with infrared transmitting tube 43 infrared transmitting tube 43 is sent the scan round signal, secondary signal treatment circuit 45 is electrically connected the signal that CMOS camera 41 is received with CMOS camera 41 to carry out analyzing and processing and determines the position signalling corresponding with touch action, and secondary signal treatment circuit 45 also is electrically connected on the usb 1 17 of processor 11.
Particularly, the push button signalling that produces after button (as described TV remote-control button and described some keyboards) triggers inputs to first signal treatment circuit 710 and processes; Audio frequency processing circuit 715 is responsible for the sound signal of inputting by the microphone interface of the second radio receiving unit 73 is processed, described sound signal is converted to the sound signal of I2S form, and the sound signal of I2S form is inputed to first signal treatment circuit 710 processes; Optical finger navigation module 714 is equivalent to a mouse, opto-electronic conversion is carried out in action on the finger all directions thereon to be processed, the signal processing circuit of optical finger navigation module self is handled it to the finger actuating signal and is optimized, and the finger movement signal after will processing sends to first signal treatment circuit 710 with the I2C form; 710 pairs of first signal treatment circuits receive the sound signal of push button signalling, I2S form, the finger movement signal of I2C form is processed, and the above-mentioned signal after will processing is sent in the first radio receiving unit 9 with the 2.4G form by RF radiating circuit 716.The first radio receiving unit 9 can be integrated in the driver element 1, the output terminal of the first radio receiving unit 9 is electrically connected with the radio operation signal input part of processor 11 by USB, operation signal and the sound signal sent by the first wireless transmitting unit 8 with the user who will receive are sent in the processor 11, and make corresponding response, demonstration or sounding by LCD TV decoding chip 12.
In sum, the electronic whiteboard 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, the design of the processor 11 of its operation Android system, be convenient to carrying out smoothly of electronic whiteboard function expansion design, adopt in addition optical touch screen 4 its touches effective, easy to operate, can realize the operation remote-controlled the same with domestic television set, thereby be user-friendly to.
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 (8)
1. electronic whiteboard that operates remote-controlled, 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 electronic whiteboard also comprises remote control unit, and the first wireless transmitting unit that all is electrically connected with described driver element and the first radio receiving unit, described remote control unit comprises the second wireless transmitting unit and the second radio receiving unit, described the first wireless transmitting unit and described the second radio receiving unit wireless telecommunications, described the first radio receiving unit and described the second wireless transmitting unit wireless telecommunications, described the second wireless transmitting unit comprises first signal treatment circuit and the button section that all is electrically connected with described first signal treatment circuit, the optical finger navigation module, audio frequency processing circuit and RF radiating circuit, described audio frequency processing circuit also is electrically connected with described RF radiating circuit, and described first signal treatment circuit also is electrically connected on described the second radio receiving unit.
2. a kind of electronic whiteboard that operates remote-controlled as claimed in claim 1 is characterized in that, described button section comprises some TV remote-control buttons and the some keyboards that all is electrically connected with described first signal treatment circuit.
3. a kind of electronic whiteboard that operates remote-controlled as claimed in claim 1, 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, the LVDS interface of described display unit is electrically connected with described Low Voltage Differential Signal output terminal, described loudspeaker unit is electrically connected with described audio signal output end, described processor and described the first wireless transmitting unit, described the first radio receiving unit all is electrically connected.
4. a kind of electronic whiteboard that operates remote-controlled as claimed in claim 3, it is characterized in that described some signal receiving interfaces are selected from the AV interface of the Tuner interface that receives the TV signal, the HDMI interface that receives the HDMI signal, receiving video signals and receive at least a interface in the D-SUB interface of VGA signal.
5. a kind of electronic whiteboard that operates remote-controlled as claimed in claim 3, it is characterized in that, described processor comprises the HDMI signal output part of output HDMI signal, described some signal receiving interfaces are the HDMI interface, and described HDMI interface comprises and is electrically connected the HDMI interface that receives outside HDMI signal with external devices and is electrically connected the 2nd HDMI interface that receives the HDMI signal that described processor exports with described HDMI signal output part.
6. a kind of electronic whiteboard that operates remote-controlled as claimed in claim 3, 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.
7. a kind of electronic whiteboard that operates remote-controlled as claimed in claim 3 is characterized in that, described processor is the MST801 chip.
8. a kind of electronic whiteboard that operates remote-controlled as claimed in claim 3, it is characterized in that, described processor also comprises the USB interface of receive data, described optical touch screen comprises the CMOS camera, infrared transmitting tube, driving circuit and secondary signal treatment circuit, described driving circuit is electrically connected with described infrared transmitting tube described infrared transmitting tube is sent the scan round signal, described secondary signal treatment circuit is electrically connected the signal that described CMOS camera is received with described CMOS camera to carry out analyzing and processing and determines the position signalling corresponding with touch action, and described secondary signal treatment circuit also is electrically connected on described USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220330511 CN202677355U (en) | 2012-07-09 | 2012-07-09 | Remote control type electronic whiteboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220330511 CN202677355U (en) | 2012-07-09 | 2012-07-09 | Remote control type electronic whiteboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202677355U true CN202677355U (en) | 2013-01-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220330511 Expired - Fee Related CN202677355U (en) | 2012-07-09 | 2012-07-09 | Remote control type electronic whiteboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202677355U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109949622A (en) * | 2017-12-21 | 2019-06-28 | 北京丰信达科技有限公司 | A kind of electronic whiteboard of wisdom blackboard |
| CN109963190A (en) * | 2017-12-22 | 2019-07-02 | 鸿富锦精密工业(武汉)有限公司 | Electronic whiteboard |
-
2012
- 2012-07-09 CN CN 201220330511 patent/CN202677355U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109949622A (en) * | 2017-12-21 | 2019-06-28 | 北京丰信达科技有限公司 | A kind of electronic whiteboard of wisdom blackboard |
| CN109963190A (en) * | 2017-12-22 | 2019-07-02 | 鸿富锦精密工业(武汉)有限公司 | Electronic whiteboard |
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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 230000 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 |