CN202353733U - Video sharing equipment and system - Google Patents
Video sharing equipment and system Download PDFInfo
- Publication number
- CN202353733U CN202353733U CN 201120428021 CN201120428021U CN202353733U CN 202353733 U CN202353733 U CN 202353733U CN 201120428021 CN201120428021 CN 201120428021 CN 201120428021 U CN201120428021 U CN 201120428021U CN 202353733 U CN202353733 U CN 202353733U
- Authority
- CN
- China
- Prior art keywords
- video
- power line
- circuit
- line communication
- interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model provides video sharing equipment and a video sharing system. The video sharing equipment is connected between a power line and video source transmitting and receiving equipment and comprises a power line communication module, a video encoding and decoding circuit, an audio and video interface circuit and an infrared transmitting and receiving circuit, wherein the power line communication module is connected with the power line and the video encoding and decoding circuit; the audio and video interface circuit is connected between the video encoding and decoding circuit and the video source transmitting and receiving equipment; and the infrared transmitting and receiving circuit is connected between the video encoding and decoding circuit and the video source transmitting and receiving equipment. The video sharing equipment transmits encoded and compressed video data through the power line, so that a trouble that a video cable is required to be paved independently is eliminated, and the using cost of a digital television is reduced.
Description
Technical field
The utility model relates to field of video processing, especially relates to video sharing equipment and video sharing system.
Background technology
Common digital video transmission equipment generally is to adopt ethernet technology, and the vision signal (from rig camera etc.) that will pass through coding through network is sent to central machine room, goes back original video image through decoding again.This kind application need builds up network channel between front end video point and central machine room.For the application of not building up network channel, generally can run into the problem that is difficult to construction network.For example, one family has been opened DTV, and the STB of opening a DTV can only be watched by television set of dispensing.Be placed on the parlor, DTV has just been seen not in the bedroom so; Be placed on the bedroom, the parlor also cannot have been seen so.And the STB that some external television set carries can not mate with existing DTV standard, so also can't use.So just have to apply for several DTV STBs more, make and want pay this extra STB Monthly Fee at double every month, and need lay circuit again.Also have a kind of way to be, adopt wireless network to share video, still; The equipment cost of wireless network is higher, and transmission range is limited, particularly concerning indoor; Because wall etc. are to the effect that signal has decay or isolates, it is bad often to cause signal to receive, and the effect of its transmission is not high.
The utility model content
The technical problem that the utility model solves is: a kind of video sharing equipment and video sharing system are provided, can solve that video sharing needs laying-out or the low technical problem of efficiency of transmission again in the prior art.
For solving the problems of the technologies described above; Technical scheme that the utility model provides is: a kind of video sharing equipment is provided; Be connected between power line and the video source transceiver; Comprise power line communication module, coding and decoding video circuit, audio-video interface circuit and infrared receiving/transmission circuit; Said power line communication module comprises the power line interface of external power line, and said audio-video interface circuit and said infrared receiving/transmission circuit are provided with the interface of external video source transceiver, and said power line communication module, audio-video interface circuit, infrared receiving/transmission circuit all are electrically connected with said coding and decoding video circuit.
Wherein, said audio-video interface circuit or said infrared receiving/transmission circuit have the interface of coupling top box of digital machine or video camera.
Wherein, said video source transceiver comprises that video source transmitting apparatus or video source receive playback equipment.
Wherein, Said power line communication module comprises coupling circuit, filter circuit, programmable amplifier and the power line communication CPU that is linked in sequence; Said coupling circuit is provided with power line interface, and said power line communication CPU is connected with said coding and decoding video circuit.
Wherein, said power line communication CPU comprises the OFDM processing unit.
For solving the problems of the technologies described above; The utility model also comprises a kind of video sharing system; Comprise a plurality of video sharing equipment; Said video sharing equipment is connected through power line, comprises power line communication module, coding and decoding video circuit, audio-video interface circuit and infrared receiving/transmission circuit, and said power line communication module comprises the power line interface of external power line; Said audio-video interface circuit and said infrared receiving/transmission circuit are provided with the interface of external video source transceiver, and said power line communication module, audio-video interface circuit, infrared receiving/transmission circuit all are electrically connected with said coding and decoding video circuit.
Wherein, said audio-video interface circuit or said infrared receiving/transmission circuit have the interface of coupling top box of digital machine, video camera or television set.
Wherein, said video source transceiver comprises that video source transmitting apparatus or video source receive playback equipment.
Wherein, Said power line communication module comprises coupling circuit, filter circuit, programmable amplifier and the power line communication CPU that is linked in sequence; Said coupling circuit is provided with power line interface, and said power line communication CPU is connected with said coding and decoding video circuit.
Wherein, said power line communication CPU comprises the OFDM processing unit.
Adopt technique scheme, contrast is inconvenient with existing video sharing laying-out, the problem that efficiency of transmission is low; The beneficial effect of the utility model is: because the video sharing equipment that the utility model provides is connected between power line and the video source transceiver; Said video source transceiver comprises that video source transmitting apparatus or video source receive playback equipment, on the one hand, and the video source of can receiver, video source transmitting apparatus sending; Video source is encoded; And the transfer of data after will encoding through power line communication module is to power line, and on the other hand, the video sharing equipment that the utility model provides receives the vision signal from power line; And through the coding and decoding video circuit video is decoded, be transferred to video source again and receive playback equipment and receive and play.Simultaneously; In the middle of video sharing equipment, added the infrared remote control transmission circuit; Directly give another video sharing equipment with the remote signal of the remote controller that receives through the power line communication transparent transmission; Directly send to the video source transceiver (like, top box of digital machine) of the other end to the remote signal that receives through the infrared remote control transmission circuit, thereby STB is controlled TV reception.Video sharing equipment has saved the trouble that needs separately auxilliary setting video cable and has reduced the DTV cost of use through the video data of power line transmission through encoding compression.
Description of drawings
Fig. 1 is the structure chart of video sharing equipment;
Fig. 2 is the concrete structure figure of video sharing equipment;
Fig. 3 is the structure chart of video sharing system.
Embodiment
By the technology contents, the structural feature that specify the utility model, realized purpose and effect, know clearly below in conjunction with execution mode and conjunction with figs. and give explanation.
See also Fig. 1; The utility model provides a kind of video sharing equipment; Be connected between power line and the video source transceiver; Comprise power line communication module, coding and decoding video circuit, audio-video interface circuit and infrared receiving/transmission circuit; Said power line communication module comprises the power line interface of external power line, and said audio-video interface circuit and said infrared receiving/transmission circuit are provided with the interface of external video source transceiver, and said power line communication module, audio-video interface circuit, infrared receiving/transmission circuit all are electrically connected with said coding and decoding video circuit.
Wherein, said audio-video interface circuit or said infrared receiving/transmission circuit have the interface of coupling top box of digital machine, video camera or television set.Said audio-video interface circuit or infrared receiving/transmission circuit can also be provided with the data-interface of matched products according to concrete needs, and like the interface of DVR etc., it is multiple that its implementation has, and do not do here and give unnecessary details.
See also Fig. 2; Said power line communication module comprises coupling circuit, filter circuit, programmable amplifier and the power line communication CPU that is linked in sequence; Said coupling circuit is connected with power line, and said power line communication CPU is connected with said coding and decoding video circuit.
Coding and decoding video CPU is responsible for the modulus/digital-to-analogue conversion (AD/DA conversion) and the data compression of video data, coding, decoding.Power line communication CPU mainly is the modulation and demodulation of carrying out the power line communication ofdm signal.Programmable amplifier amplifies the electric-power wire communication signal through the coupler coupling; Filter circuit carries out filtering to the high-frequency signal that receives from power line, takes out useful signal section; Coupling circuit is coupled on the power line from power line taking-up high-frequency signal or with high-frequency signal, and isolates strong and weak electricity.
Wherein, said power line communication CPU comprises the OFDM processing unit, mainly is the data-modulated that receives is become ofdm signal output.
The coding and decoding video circuit is responsible for the modulus/digital-to-analogue conversion (AD/DA conversion) and the data compression of video data, coding, decoding.The power line communication module circuit mainly is the modulation and demodulation of carrying out the power line communication ofdm signal.The audio-video interface circuit is responsible for passing the coding and decoding video resume module to such an extent that digital video signal conversion becomes analog signal, and the infrared receiving/transmission circuit is responsible for handling the back to the remote signal of top box of digital machine or remote controller and is gone out through power line transmission.
See also Fig. 3; The utility model also provides a kind of video sharing system; Comprise a plurality of video sharing equipment; Said video sharing equipment is connected through power line; Said video sharing equipment is connected between power line and the video source transceiver, comprises power line communication module, coding and decoding video circuit, audio-video interface circuit and infrared receiving/transmission circuit, and said power line communication module comprises the power line interface of external power line; Said audio-video interface circuit and said infrared receiving/transmission circuit are provided with the interface of external video source transceiver, and said power line communication module, audio-video interface circuit, infrared receiving/transmission circuit all are electrically connected with said coding and decoding video circuit.
Wherein, said audio-video interface circuit or said infrared receiving/transmission circuit have the interface of coupling top box of digital machine or television set.The video source transceiver of the utility model is not defined as STB, video camera or television set, can be other video equipments yet, like DVR etc., does not do here and gives unnecessary details.
Wherein, Said power line communication module comprises coupling circuit, filter circuit, programmable amplifier and the power line communication CPU that is linked in sequence; Said coupling circuit is provided with power line interface to be connected with power line, and said power line communication CPU is connected with said coding and decoding video circuit.
Wherein, said power line communication CPU comprises the OFDM processing unit, mainly is the data-modulated that receives is become ofdm signal output.
See also Fig. 2 and Fig. 3, video sharing equipment both can be used as video sending end, also can be used as receiving terminal; Its concrete working method is: video sharing equipment is as transmitting terminal the time; Reception is from the top box of digital machine or the first-class vision signal of making a video recording, and encodes through the coding and decoding video CPU in the video sharing equipment, and power line communication CPU is ofdm signal output with data-modulated; Amplify through programmable amplifier again; Leach useful signal section through filter circuit, be coupled on the power line through coupling circuit again, and isolate strong and weak electricity.
Video sharing equipment is as receiving terminal the time; Coupling circuit takes out high-frequency signal from power line; Leach useful signal section through filter circuit, amplify through programmable amplifier again, carry out the demodulation of OFDM data signal through power line communication CPU again; Decoding through video decode CPU, signal conveys is being arrived video source device through interface circuit.
The above is merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (10)
1. video sharing equipment; It is characterized in that: be connected between power line and the video source transceiver; Comprise power line communication module, coding and decoding video circuit, audio-video interface circuit and infrared receiving/transmission circuit; Said power line communication module comprises the power line interface of external power line; Said audio-video interface circuit and said infrared receiving/transmission circuit are provided with the interface of external video source transceiver, and said power line communication module, audio-video interface circuit, infrared receiving/transmission circuit all are electrically connected with said coding and decoding video circuit.
2. video sharing equipment according to claim 1 is characterized in that: said audio-video interface circuit or said infrared receiving/transmission circuit have the interface of coupling top box of digital machine, video camera or television set.
3. video sharing equipment according to claim 1 is characterized in that: said video source transceiver comprises that video source transmitting apparatus or video source receive playback equipment.
4. video sharing equipment according to claim 1; It is characterized in that: said power line communication module comprises coupling circuit, filter circuit, programmable amplifier and the power line communication CPU that is linked in sequence; Said coupling circuit is provided with power line interface, and said power line communication CPU is connected with said coding and decoding video circuit.
5. video sharing equipment according to claim 4 is characterized in that: said power line communication CPU comprises the OFDM processing unit.
6. video sharing system; It is characterized in that: comprise a plurality of video sharing equipment; Said video sharing equipment is connected through power line; Comprise power line communication module, coding and decoding video circuit, audio-video interface circuit and infrared receiving/transmission circuit; Said power line communication module comprises the power line interface of external power line, and said audio-video interface circuit and said infrared receiving/transmission circuit are provided with the interface of external video source transceiver, and said power line communication module, audio-video interface circuit, infrared receiving/transmission circuit all are electrically connected with said coding and decoding video circuit.
7. video sharing system according to claim 6 is characterized in that: said audio-video interface circuit or said infrared receiving/transmission circuit have the interface of coupling top box of digital machine, video camera or television set.
8. video sharing system according to claim 6 is characterized in that: said video source transceiver comprises that video source transmitting apparatus or video source receive playback equipment.
9. video sharing system according to claim 6; It is characterized in that: said power line communication module comprises coupling circuit, filter circuit, programmable amplifier and the power line communication CPU that is linked in sequence; Said coupling circuit is provided with power line interface, and said power line communication CPU is connected with said coding and decoding video circuit.
10. video sharing system according to claim 9 is characterized in that: said power line communication CPU comprises the OFDM processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120428021 CN202353733U (en) | 2011-11-02 | 2011-11-02 | Video sharing equipment and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120428021 CN202353733U (en) | 2011-11-02 | 2011-11-02 | Video sharing equipment and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202353733U true CN202353733U (en) | 2012-07-25 |
Family
ID=46542688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120428021 Expired - Lifetime CN202353733U (en) | 2011-11-02 | 2011-11-02 | Video sharing equipment and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202353733U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105847908A (en) * | 2016-04-08 | 2016-08-10 | 微鲸科技有限公司 | Split display system based on power line system and split display method |
-
2011
- 2011-11-02 CN CN 201120428021 patent/CN202353733U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105847908A (en) * | 2016-04-08 | 2016-08-10 | 微鲸科技有限公司 | Split display system based on power line system and split display method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202918413U (en) | Signal transmission system based on coaxial cable | |
| CN202353733U (en) | Video sharing equipment and system | |
| US20150349974A1 (en) | Smart home access device | |
| CN107204112A (en) | A kind of audio signal and control signal Transmission system and application method | |
| CN101917549B (en) | Method and device for controlling digital camera | |
| CN202652431U (en) | Digital television receiving terminal and power adapter | |
| CN203722709U (en) | High-definition network video device based on coaxial-cable transmission | |
| CN201947385U (en) | Video transmission system for transmitting high-definition multimedia interface (HDMI) audio and visual signals | |
| CN205610845U (en) | Transmission device of high -definition audio and video signal | |
| CN103414865A (en) | Method and system for transmitting audio and video through power line | |
| CN103546744A (en) | High-definition low-bit-rate encoder | |
| CN202406244U (en) | Digital television system | |
| CN202949445U (en) | Home network system based on power line communication | |
| CN201601672U (en) | Radio-frequency digital signal transmission system and radio-frequency digital signal access device | |
| CN207053527U (en) | A kind of multimedia dispensing device, reception device and Transmission system for transmitting electric energy | |
| CN201805521U (en) | Set top box capable of controlling and processing multi-type television signals | |
| CN203435078U (en) | Device for transmitting video and audio by power lines | |
| CN202841378U (en) | Vehicle monitoring system based on 3G communication network | |
| CN101489030B (en) | Portable wireless television playing method applied to wired digital set-top box | |
| KR101430145B1 (en) | Wide band ultra high speed uNB homenetwork apparatus using coaxial cable and system thereof | |
| CN205092920U (en) | High resolution video transmission system | |
| CN205921695U (en) | System for IP signal transmits on coaxial line | |
| CN102970597A (en) | Audio and video transmission method and digital television terminal | |
| CN102685605A (en) | Internet television realizing device | |
| CN207099273U (en) | A kind of coaxial transmission IPTV4K equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120725 |