CN203482322U - Video-audio recorder - Google Patents
Video-audio recorder Download PDFInfo
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- CN203482322U CN203482322U CN201320364653.9U CN201320364653U CN203482322U CN 203482322 U CN203482322 U CN 203482322U CN 201320364653 U CN201320364653 U CN 201320364653U CN 203482322 U CN203482322 U CN 203482322U
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Abstract
The utility model discloses a video-audio recorder which comprises a host computer module and a slave computer module. The host computer module comprises a control unit, a display unit, a video-audio input/output unit, a radio frequency receiving unit, and a radio frequency transmitting unit, wherein the control unit is connected with the display unit, a shooting unit, a video input/output unit, the radio frequency receiving unit, and the radio frequency transmitting unit. The slave computer module comprises a control unit, a display unit, a key unit, a decoding unit, a radio frequency transmitting unit, and a radio frequency receiving unit, wherein the control unit is connected with the display unit, the key unit, the decoding unit, and the radio frequency transmitting unit, and the decoding unit is connected with the radio frequency receiving unit and the display unit. The video-audio recorder comprises the host computer module and the slave computer module. The interactive information transmission between the host computer module and the sleeve computer module is realized through radio frequency modules, thereby overcoming shortcomings that the video-audio display operation can only be carried out on a host computer in a conventional video-audio recorder, and the concealment is inadequate.
Description
Technical field
The utility model belongs to consumer applying electronic field, is specifically related to a kind of design of video and audio recorder of subsidiary handset.
Background technology
In this information age of our daily life, the record of video and audio and obtain social activities, the work that becomes gradually people, and the important channel of external information is understood by various organization or government.The develop rapidly of the technology such as Multimedia Compression, network communication, large scale integrated circuit, computer, impels the system about video and audio to be widely applied to the every field such as finance, hotel, traffic administration, market, school, factory.But in existing video and audio recorder scheme, be illustrated in figure 1 the structural representation of video and audio recorder in prior art, this video and audio recorder generally only can carry out video and audio and displays the play and operate on main frame, cannot realize the straighforward operation of video and audio recorder and monitoring, the convenience aspect of the disguise of its operation, use is more undesirable.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of video and audio recorder, this video and audio recorder can be in subsidiary handset enterprising line operate, there is disguise, and easy to operate.
The technical scheme that the utility model solves its technical problem employing is: a kind of video and audio recorder, comprises host module and handset module; Described host module comprises control unit, display unit, video and audio input-output unit, rf receiver unit and rf transmitter unit, and described control unit is connected with described display unit, image unit, video input output unit, rf receiver unit and rf transmitter unit respectively; Described handset module comprises control unit, display unit, push-button unit, decoding unit, rf transmitter unit and rf receiver unit, described control unit is connected with display unit, push-button unit, decoding unit and rf transmitter unit respectively, and described decoding unit is connected with display unit with rf receiver unit respectively;
Control unit in described host module is processed, compresses and store for the video/audio signal that video and audio input-output unit is collected, and coordinate the work of other units, the radiofrequency signal that described rf receiver unit sends for receiving handset module, described rf transmitter unit is used for to handset module transmitting data information;
Control unit in described handset module is for scanning the control command of push-button unit input, and control rf transmitter unit and send radiofrequency signal to host module, the data message that described rf receiver unit sends for Receiving Host module, described decoding unit is used for described data message to decode, and exports display unit to.
Further, the rf transmitter unit in described host module and the rf receiver unit in handset module adopt the wave band of 2.4GHz to carry out communication.
Further, in described host module, the rf transmitter unit in rf receiver unit and handset module adopts the wave band of 433.92MHz to carry out communication.
Further, described host module also comprises peripheral hardware memory cell, and described peripheral hardware memory cell comprises SD card and/or flash memory.
Further, video and audio input-output unit in described host module comprises camera unit, microphone unit and buzzer unit, described camera unit is used for gathering vision signal, and described microphone unit is for input audio signal, and described buzzer unit is for output audio signal.
Further, described host module and handset module also comprise lithium battery and lithium battery administrative unit, and described lithium battery is for providing power supply to other units, and described lithium battery administrative unit is used for the operating state of managing lithium battery.
Further, described host module and handset module also comprise condition prompting unit, and described condition prompting unit comprises LED light, for showing the operating state of host module and handset module.
The beneficial effects of the utility model: a kind of video and audio recorder of the utility model not only comprises main frame, also on the basis of main frame, increased handset module, by radio-frequency module, carry out mutual communication between the two, overcome existing video and audio recorder and only can on main frame, carry out the display operation of video and audio, its disguised not enough shortcoming; In host module and the communication between the two of handset module, the reception of the reception of control command and transmission and data message and transmission adopt two channels to realize, the efficiency of its transmission is higher, response speed is faster, and handset can real-time monitor the information such as the acquisition angles, height of host module, can realize instant adjustment, its disguise, operability are all better, on police video and audio recorder, have more practicality.
Accompanying drawing explanation
Fig. 1 is the structural representation of video and audio recorder of the prior art;
Fig. 2 is the structural representation of a kind of video and audio recorder of the utility model embodiment;
Fig. 3 is the embodiment of the host module in a kind of video and audio recorder of the utility model embodiment;
Fig. 4 is the embodiment of the handset module in a kind of video and audio recorder of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described.
Be illustrated in figure 2 the structured flowchart of a kind of video and audio recorder of the utility model embodiment, it comprises host module and handset module; Described host module comprises control unit, display unit, video and audio input-output unit, rf receiver unit and rf transmitter unit, and described control unit is connected with described display unit, image unit, video input output unit, rf receiver unit and rf transmitter unit respectively; Described handset module comprises control unit, display unit, push-button unit, decoding unit, rf transmitter unit and rf receiver unit, described control unit is connected with display unit, push-button unit, decoding unit and rf transmitter unit respectively, and described decoding unit is connected with display unit with rf receiver unit respectively;
Control unit in described host module is processed, compresses and store for the video/audio signal that video and audio input-output unit is collected, and coordinate the work of other units, the radiofrequency signal that described rf receiver unit sends for receiving handset module, described rf transmitter unit is used for to handset module transmitting data information;
Control unit in described handset module is for scanning the control command of push-button unit input, and control rf transmitter unit and send radiofrequency signal to host module, the data message that described rf receiver unit sends for Receiving Host module, described decoding unit is used for described data message to decode, and exports display unit to.
A kind of video and audio recorder of the utility model is by increasing handset module, and adopt radio-frequency technique to realize communication between the two, overcome video and audio recorder of the prior art and only can, in the drawback of the enterprising line operate of main frame, further improve disguise, simplicity and the practicality of its use.
Wherein, the rf transmitter unit in described host module and the rf receiver unit in handset module adopt the wave band of 2.4GHz to carry out communication; Rf transmitter unit in described host module in rf receiver unit and handset module adopts the wave band of 433.92MHz to carry out communication.Communication between described host module and handset module completes respectively within two channels, realizes between the transmission of control command and the transmission of data message and not interfereing with each other, and has improved transmission response efficiency.
For the ease of the those of ordinary skill in field, can understand and implement this programme below, the unit in host module and handset module is described in detail.
Wherein, first be host module, the embodiment that is illustrated in figure 3 the host module in a kind of video and audio recorder of the utility model, it comprises: control unit, display unit, video and audio input-output unit, rf receiver unit, rf transmitter unit, peripheral hardware memory cell, described control unit can be comprised of peace despot's A2S-A1-RH master chip and peripheral circuit, is responsible for video and audio input-output unit to collect the control of image processing, coding, compression storage and other unit sequential of video/audio signal, rf receiver unit adopts 433.92MHz wave band to carry out communication, wherein rf receiver unit comprises again reception control unit, receiving demodulation unit and reception memory cell, described reception control unit can be comprised of EM78P153SNJ8 position single-chip microcomputer and peripheral circuit, be responsible for the 433.92MHZ radio-frequency (RF) control signal receiving to identify, process, described receiving demodulation unit can be comprised of MICREF211 chip and radio-frequency antenna, be responsible for 433.92MHZ carrier frequency signaling to accept and demodulation, be converted into the manageable CMOS low and high level of single-chip microcomputer signal, described reception memory cell can be comprised of AT24C64 flash memory, be responsible for the information such as storing received control unit program and communications protocol, rf transmitter unit adopts 2.4GHz wave band to carry out communication, and it can be comprised of TX240192.4GHz radiofrequency emitting module, is responsible for vision signal to be modulated to 2.4GHz, then launches by carrier wave, display unit can be comprised of 2.0 cun of 262K full color liquid crystal module of 240 * 160 resolution, is responsible for display video signal, video and audio input-output unit can comprise camera unit, microphone unit and buzzer unit, also can comprise power amplifier and loudspeaker unit, the function of video signal collective input is responsible in described camera unit, the vision signal of output YUV or rgb format, described microphone unit is responsible for the Gather and input function of audio signal, described peripheral hardware memory cell comprises SD card and/or flash memory, the video and audio fileinfo collecting for responsible storage video and audio input-output unit and control command information etc.
Secondly be handset module, be illustrated in figure 4 the embodiment of the handset module in a kind of video and audio recorder of the utility model, it comprises: control unit, display unit, push-button unit, decoding unit, rf transmitter unit and rf receiver unit; Described control unit can be comprised of 8 single-chip microcomputers of EM78P153SNJ and peripheral components, is responsible for each unit sequential of control system, coordinates push-button unit, the work such as decoding unit, display unit; Decoding unit can be comprised of TW9900 master chip and peripheral components, the responsible CVBS vision signal that rf receiver unit is received, and the vision signal that is converted to rgb format exports display unit to; Rf receiver unit adopts 2.4GHz wave band to carry out communication, and it can be comprised of Zi2188 master chip and 2.4GHz radio-frequency antenna, is responsible for received 2.4GHz carrier signal to be demodulated into CVBS signal, exports decoding unit to; Rf transmitter unit adopts 433.92MHz wave band to carry out communication, wherein rf transmitter unit comprises again emission controlling unit, transmitting memory cell and carrier wave generating unit, described emission controlling unit can be comprised of 8 single-chip microcomputers of EM78P153SNJ and peripheral components, be responsible for key-press input to switch to key assignments code according to communications protocol, then export antenna to by IO mouth; Described transmitting memory cell can be comprised of AT24C64 flash memory, is responsible for the information such as stored transmit control unit program and key assignments, communications protocol; Described carrier wave generating unit can be comprised of 433.92MHz carrier generator, and the 433.92MHz carrier signal that responsible generation amplitude is 1.5V, after superposeing with emission controlling unit output signal, is gone out through antenna transmission; Display unit can be comprised of 1.5 cun of 262K full color liquid crystal module of 240 * 160 resolution, is responsible for display video signal.
Below in conjunction with foregoing, main frame and handset workflow are each other described in detail, wherein take and gather video image and describe as example: when the push-button unit of handset module detects after key-press input, control unit is identified button, corresponding key set code is sent to 433.92MHZ radio-frequency transmissions control unit, it is converted to key assignments code by this key set code, after the 433.92MHZ carrier frequency stack with the generation of 433.92MHZ carrier wave generating unit, by antenna transmission.
The 433.92MHZ radio frequency reception demodulating unit of host module is after receiving the control signal that handset launches, signal is carried out exporting control unit to after demodulation, the vision signal that the vision signal of the yuv format that it collects camera unit according to the instruction of handset module is converted to CVBS exports 2.4GHZ rf transmitter unit to, the vision signal Transpression that meanwhile control unit also gathers camera unit is the digital signal of form H.264, deposit in peripheral memory SD card, 2.4GHZ rf transmitter unit is launched after the vision signal of CVBS form is modulated to 2.4GHZ frequency.
The 2.4GHZ rf receiver unit of handset module is after receiving 2.4GHZ carrier signal, it is carried out to demodulation is reduced to CVBS format signal and exports decoding unit to, it is converted to CVBS format signal to export display unit to after rgb format signal and show, to the register configuration of display unit with control and completed by iic bus by control unit.
So far, user can be in handset module the taken vision signal of camera of preview host module, vision signal is also deposited in the peripheral hardware memory cell SD card of host module simultaneously.In addition, the working-flow of the functions such as preview of taking pictures, record, make a video recording is also similar with the above-mentioned course of work, is not doing concrete introduction below.
Claims (7)
1. a video and audio recorder, is characterized in that, comprises host module and handset module; Described host module comprises control unit, display unit, video and audio input-output unit, rf receiver unit and rf transmitter unit, and described control unit is connected with described display unit, image unit, video input output unit, rf receiver unit and rf transmitter unit respectively; Described handset module comprises control unit, display unit, push-button unit, decoding unit, rf transmitter unit and rf receiver unit, described control unit is connected with display unit, push-button unit, decoding unit and rf transmitter unit respectively, and described decoding unit is connected with display unit with rf receiver unit respectively;
Control unit in described host module is processed, compresses and store for the video/audio signal that video and audio input-output unit is collected, and coordinate the work of other units, the radiofrequency signal that described rf receiver unit sends for receiving handset module, described rf transmitter unit is used for to handset module transmitting data information;
Control unit in described handset module is for scanning the control command of push-button unit input, and control rf transmitter unit and send radiofrequency signal to host module, the data message that described rf receiver unit sends for Receiving Host module, described decoding unit is used for described data message to decode, and exports display unit to.
2. a kind of video and audio recorder as claimed in claim 1, is characterized in that, the rf receiver unit in the rf transmitter unit in described host module and handset module adopts the wave band of 2.4GHz to carry out communication.
3. a kind of video and audio recorder as claimed in claim 1, is characterized in that, the rf transmitter unit in described host module in rf receiver unit and handset module adopts the wave band of 433.92MHz to carry out communication.
4. a kind of video and audio recorder as described in claims 1 to 3 any one claim, is characterized in that, described host module also comprises peripheral hardware memory cell, and described peripheral hardware memory cell comprises SD card and/or flash memory.
5. a kind of video and audio recorder as described in claims 1 to 3 any one claim, it is characterized in that, video and audio input-output unit in described host module comprises camera unit, microphone unit and buzzer unit, described camera unit is used for gathering vision signal, described microphone unit is for input audio signal, and described buzzer unit is for output audio signal.
6. a kind of video and audio recorder as described in claims 1 to 3 any one claim, it is characterized in that, described host module and handset module also comprise lithium battery and lithium battery administrative unit, described lithium battery is for providing power supply to other units, and described lithium battery administrative unit is used for the operating state of managing lithium battery.
7. a kind of video and audio recorder as described in claims 1 to 3 any one claim, it is characterized in that, described host module and handset module also comprise condition prompting unit, and described condition prompting unit comprises LED light, for showing the operating state of host module and handset module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320364653.9U CN203482322U (en) | 2013-06-25 | 2013-06-25 | Video-audio recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320364653.9U CN203482322U (en) | 2013-06-25 | 2013-06-25 | Video-audio recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203482322U true CN203482322U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320364653.9U Expired - Fee Related CN203482322U (en) | 2013-06-25 | 2013-06-25 | Video-audio recorder |
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| Country | Link |
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| CN (1) | CN203482322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103369304A (en) * | 2013-06-25 | 2013-10-23 | 四川虹视显示技术有限公司 | Video and audio recorder |
-
2013
- 2013-06-25 CN CN201320364653.9U patent/CN203482322U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103369304A (en) * | 2013-06-25 | 2013-10-23 | 四川虹视显示技术有限公司 | Video and audio recorder |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20180625 |
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| CF01 | Termination of patent right due to non-payment of annual fee |