CN104243941A - Video optical terminal system - Google Patents
Video optical terminal system Download PDFInfo
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- CN104243941A CN104243941A CN201410548085.7A CN201410548085A CN104243941A CN 104243941 A CN104243941 A CN 104243941A CN 201410548085 A CN201410548085 A CN 201410548085A CN 104243941 A CN104243941 A CN 104243941A
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Abstract
The invention discloses a video optical terminal system, comprising a signal receiving unit, a caching unit, a processing unit and a transmitting unit, wherein the signal receiving unit is used for receiving signals, the caching unit is used for caching the signals received by the signal receiving unit, the processing unit is used for processing the cached signals and converting to the signals with the preset types, the transmitting unit is used for transmitting the signals which have been processed by the processing unit to a preset device; the video optical terminal system is reasonable in design, high in degree of intelligence and small in bit error ratio; the video signals are not prone to sinking and displacement, and the technical effect that the multi-channel video signals can be integrated to ensure good transmission effect is achieved.
Description
Technical field
The present invention relates to video optical multiplexer research field, particularly relate to a kind of video light end system.
Background technology
Video optical multiplexer is exactly the equipment becoming light signal to be transmitted by fiber medium to the analog video signal of multichannel by various code conversion 1, understand by analog-converted and digital translation two kinds of technology, so video optical multiplexer is divided into again simulated light terminal and Digital Optical Terminal because vision signal converts in the process of light signal.Optical transmitter and receiver principle is exactly signal madulation on light, carries out transmission of video by optical fiber.
Optical transmitter and receiver principle is exactly signal madulation on light, carries out transfer of data by optical fiber, usually uses following several modulation system:
1) amplitude modulation or modulation system (AM): full analogue system, the brightness of light-emitting diode (LED) or the change of intensity input video amplitude linearity in optical emitting unit.The light signal of amplitude modulation sends to light receiving unit by optical fiber, by it, signal is converted to Analog Baseband video.
2) frequency modulation or pulse frequency modulated (FM): be also an analogue system, radio-frequency carrier is by the linear regulating frequency of vision signal of input, through the carrier wave of ovennodulation again for LED or the generating laser of Optical Transmit Unit, send to light receiving unit through warbled signal by optical fiber, signal is converted to digital baseband video by simulated light terminal.
In the prior art, existing video optical multiplexer is unreasonable owing to designing, and easily cause Signal transmissions unstable, decode inaccurate, error code is more, and vision signal is easily sunk and displacement, multi-channel video signal can not be integrated and ensure good laser propagation effect.
In sum, present inventor, in the process realizing invention technical scheme in the embodiment of the present application, finds that above-mentioned technology at least exists following technical problem:
In the prior art, because existing video optical multiplexer is unreasonable owing to designing, easily cause Signal transmissions unstable, decode inaccurate, error code is more, vision signal is easily sunk and displacement, multi-channel video signal can not be integrated and ensure good laser propagation effect, so, existing video optical multiplexer exists that intelligence degree is lower, efficiency of transmission is lower, error code is more, vision signal is easily sunk and displacement, multi-channel video signal can not be integrated and ensure the technical problem of good laser propagation effect.
Summary of the invention
The invention provides a kind of video light end system, solve existing video optical multiplexer and have that intelligence degree is lower, efficiency of transmission is lower, error code is more, vision signal is easily sunk and displacement, multi-channel video signal can not be integrated and ensure the technical problem of good laser propagation effect, achieve video light end system reasonable in design, intelligence degree is higher, efficiency of transmission is higher, error code is less, vision signal is not easy to sink and displacement, multi-channel video signal can be integrated and ensure the technique effect of good laser propagation effect.
For solving the problems of the technologies described above, the embodiment of the present application provides a kind of video light end system, and described system comprises:
Signal receiving unit, described signal receiving unit is used for Received signal strength;
Buffer unit, described buffer unit is used for carrying out buffer memory to the signal that described signal receiving unit receives;
Processing unit, described processing unit is used for processing the signal of buffer memory, is converted to preset kind signal;
Transmission unit, described transmission unit is used for the Signal transmissions after described processing unit processes to default equipment.
Wherein, described system also comprises: anti-interference unit, and described anti-interference unit is used for carrying out anti-interference process to the signal of described system, avoids signal by external interference.
Wherein, described processing unit specifically comprises:
Analog conversion module, described analog conversion module is used for carrying out analog-converted to signal;
Data-converting block, described data-converting block is used for carrying out digital translation to signal.
Wherein, described system adopts video signal digital sampling, high-speed synchronous digital transmission technology.
Wherein, described system adopts video input AGC to control, and can regulate cable length by Auto-matching.
Wherein, described employing is digital without compress technique, can by 1/4/8/16 road video, 1-4 road audio frequency, 1-8 circuit-switched data, 1 road 100M ethernet signal is multiplexing transmits at an optical fiber.
Wherein, the port number of described system, data, audio interface can be selected according to the actual demand of user.
Wherein, described system is provided with frame plug-in card, with system one_to_one corresponding.
Wherein, described system adopts vision signal DC compensation, and described system adopts surface mounting technology, and described system video, data, audio interface adopt lightening surge preventing voltage protection.
The one or more technical schemes provided in the embodiment of the present application, at least have following technique effect or advantage:
Be designed to comprise by video light end system owing to have employed: signal receiving unit, described signal receiving unit is used for Received signal strength, buffer unit, described buffer unit is used for carrying out buffer memory to the signal that described signal receiving unit receives, processing unit, described processing unit is used for processing the signal of buffer memory, is converted to preset kind signal, transmission unit, described transmission unit is used for the technical scheme of the Signal transmissions after described processing unit processes to the equipment of presetting, so, efficiently solving existing video optical multiplexer, to there is intelligence degree lower, efficiency of transmission is lower, error code is more, vision signal is easily sunk and displacement, multi-channel video signal can not be integrated and ensure the technical problem of good laser propagation effect, and then it is reasonable in design to achieve video light end system, intelligence degree is higher, efficiency of transmission is higher, error code is less, vision signal is not easy to sink and displacement, multi-channel video signal can be integrated and ensure the technique effect of good laser propagation effect.
Accompanying drawing explanation
Fig. 1 is video light end system schematic diagram in the embodiment of the present application one;
Wherein, 1-signal receiving unit, 2-buffer unit, 3-processing unit, 4-transmission unit.
Embodiment
The invention provides a kind of video light end system, solve existing video optical multiplexer and have that intelligence degree is lower, efficiency of transmission is lower, error code is more, vision signal is easily sunk and displacement, multi-channel video signal can not be integrated and ensure the technical problem of good laser propagation effect, achieve video light end system reasonable in design, intelligence degree is higher, efficiency of transmission is higher, error code is less, vision signal is not easy to sink and displacement, multi-channel video signal can be integrated and ensure the technique effect of good laser propagation effect.
Technical scheme during the application implements is for solving the problems of the technologies described above.General thought is as follows:
Have employed and be designed to comprise by video light end system: signal receiving unit, described signal receiving unit is used for Received signal strength, buffer unit, described buffer unit is used for carrying out buffer memory to the signal that described signal receiving unit receives, processing unit, described processing unit is used for processing the signal of buffer memory, is converted to preset kind signal, transmission unit, described transmission unit is used for the technical scheme of the Signal transmissions after described processing unit processes to the equipment of presetting, so, efficiently solving existing video optical multiplexer, to there is intelligence degree lower, efficiency of transmission is lower, error code is more, vision signal is easily sunk and displacement, multi-channel video signal can not be integrated and ensure the technical problem of good laser propagation effect, and then it is reasonable in design to achieve video light end system, intelligence degree is higher, efficiency of transmission is higher, error code is less, vision signal is not easy to sink and displacement, multi-channel video signal can be integrated and ensure the technique effect of good laser propagation effect.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete execution mode, technique scheme is described in detail.
Embodiment one:
In embodiment one, provide a kind of video light end system, please refer to Fig. 1, described system comprises:
Signal receiving unit 1, described signal receiving unit 1 is for Received signal strength;
Buffer unit 2, described buffer unit 2 carries out buffer memory for the signal received described signal receiving unit;
Processing unit 3, described processing unit 3, for processing the signal of buffer memory, is converted to preset kind signal;
Transmission unit 4, described transmission unit 4 for by the Signal transmissions after described processing unit processes to default equipment.
Wherein, in the embodiment of the present application, described system also comprises: anti-interference unit, and described anti-interference unit is used for carrying out anti-interference process to the signal of described system, avoids signal by external interference.
Wherein, in the embodiment of the present application, described processing unit specifically comprises:
Analog conversion module, described analog conversion module is used for carrying out analog-converted to signal;
Data-converting block, described data-converting block is used for carrying out digital translation to signal.
Wherein, in the embodiment of the present application, described system adopts video signal digital sampling, high-speed synchronous digital transmission technology.
Wherein, in the embodiment of the present application, described system adopts video input AGC to control, and can regulate cable length by Auto-matching.
Wherein, in the embodiment of the present application, described employing is digital without compress technique, can by 1/4/8/16 road video, 1-4 road audio frequency, 1-8 circuit-switched data, 1 road 100M ethernet signal is multiplexing transmits at an optical fiber.
Wherein, in the embodiment of the present application, the port number of described system, data, audio interface can be selected according to the actual demand of user.
Wherein, in the embodiment of the present application, described system is provided with frame plug-in card, with system one_to_one corresponding.
Wherein, in the embodiment of the present application, described system adopts vision signal DC compensation, and described system adopts surface mounting technology, and described system video, data, audio interface adopt lightening surge preventing voltage protection.
Technical scheme in above-mentioned the embodiment of the present application, at least has following technique effect or advantage:
Be designed to comprise by video light end system owing to have employed: signal receiving unit, described signal receiving unit is used for Received signal strength, buffer unit, described buffer unit is used for carrying out buffer memory to the signal that described signal receiving unit receives, processing unit, described processing unit is used for processing the signal of buffer memory, is converted to preset kind signal, transmission unit, described transmission unit is used for the technical scheme of the Signal transmissions after described processing unit processes to the equipment of presetting, so, efficiently solving existing video optical multiplexer, to there is intelligence degree lower, efficiency of transmission is lower, error code is more, vision signal is easily sunk and displacement, multi-channel video signal can not be integrated and ensure the technical problem of good laser propagation effect, and then it is reasonable in design to achieve video light end system, intelligence degree is higher, efficiency of transmission is higher, error code is less, vision signal is not easy to sink and displacement, multi-channel video signal can be integrated and ensure the technique effect of good laser propagation effect.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (9)
1. a video light end system, is characterized in that, described system comprises:
Signal receiving unit, described signal receiving unit is used for Received signal strength;
Buffer unit, described buffer unit is used for carrying out buffer memory to the signal that described signal receiving unit receives;
Processing unit, described processing unit is used for processing the signal of buffer memory, is converted to preset kind signal;
Transmission unit, described transmission unit is used for the Signal transmissions after described processing unit processes to default equipment.
2. system according to claim 1, is characterized in that, described system also comprises: anti-interference unit, and described anti-interference unit is used for carrying out anti-interference process to the signal of described system, avoids signal by external interference.
3. system according to claim 1, is characterized in that, described processing unit specifically comprises:
Analog conversion module, described analog conversion module is used for carrying out analog-converted to signal;
Data-converting block, described data-converting block is used for carrying out digital translation to signal.
4. system according to claim 1, is characterized in that, described system adopts video signal digital sampling, high-speed synchronous digital transmission technology.
5. system according to claim 1, is characterized in that, described system adopts video input AGC to control, and can regulate cable length by Auto-matching.
6. system according to claim 1, is characterized in that, described employing is digital without compress technique, can by 1/4/8/16 road video, 1-4 road audio frequency, 1-8 circuit-switched data, 1 road 100M ethernet signal is multiplexing transmits at an optical fiber.
7. system according to claim 1, is characterized in that, the port number of described system, data, audio interface can be selected according to the actual demand of user.
8. system according to claim 1, is characterized in that, described system is provided with frame plug-in card, with system one_to_one corresponding.
9. system according to claim 1, is characterized in that, described system adopts vision signal DC compensation, and described system adopts surface mounting technology, and described system video, data, audio interface adopt lightening surge preventing voltage protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410548085.7A CN104243941A (en) | 2014-10-16 | 2014-10-16 | Video optical terminal system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410548085.7A CN104243941A (en) | 2014-10-16 | 2014-10-16 | Video optical terminal system |
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Citations (5)
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| CN201699893U (en) * | 2010-06-03 | 2011-01-05 | 常州华龙通信科技有限公司 | High-definition electron-police optical transmitter and receiver used for port |
| CN201797518U (en) * | 2009-11-24 | 2011-04-13 | 武汉百特赛尔科技有限公司 | Device for realizing cascade of third-generation mobile communication access network digital optical transceivers |
| CN202374395U (en) * | 2011-12-09 | 2012-08-08 | 江苏创新睿智科技有限公司 | High-efficiency signal transmission video optical transceiver |
| US20140119708A1 (en) * | 2012-10-30 | 2014-05-01 | 3R Global Co., Ltd. | Digital video recorder having appartus for receiving automatic switched image by recognizing source and method thereof |
| CN103888293A (en) * | 2014-02-25 | 2014-06-25 | 电子科技大学 | Data channel scheduling method of multichannel FC network data simulation system |
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2014
- 2014-10-16 CN CN201410548085.7A patent/CN104243941A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201797518U (en) * | 2009-11-24 | 2011-04-13 | 武汉百特赛尔科技有限公司 | Device for realizing cascade of third-generation mobile communication access network digital optical transceivers |
| CN201699893U (en) * | 2010-06-03 | 2011-01-05 | 常州华龙通信科技有限公司 | High-definition electron-police optical transmitter and receiver used for port |
| CN202374395U (en) * | 2011-12-09 | 2012-08-08 | 江苏创新睿智科技有限公司 | High-efficiency signal transmission video optical transceiver |
| US20140119708A1 (en) * | 2012-10-30 | 2014-05-01 | 3R Global Co., Ltd. | Digital video recorder having appartus for receiving automatic switched image by recognizing source and method thereof |
| CN103888293A (en) * | 2014-02-25 | 2014-06-25 | 电子科技大学 | Data channel scheduling method of multichannel FC network data simulation system |
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