CN114024610A - Video signal remote transmission system - Google Patents
Video signal remote transmission system Download PDFInfo
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- CN114024610A CN114024610A CN202111371619.XA CN202111371619A CN114024610A CN 114024610 A CN114024610 A CN 114024610A CN 202111371619 A CN202111371619 A CN 202111371619A CN 114024610 A CN114024610 A CN 114024610A
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- video
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- optical transceiver
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- workstation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
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- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses a system for remotely transmitting video signals. The system at least comprises a workstation, a display, optical fibers and an optical transceiver, wherein the optical transceiver consists of a transmitting end optical transceiver and a receiving end optical transceiver and is used in pairs; the workstation is connected with the transmitting end optical transceiver through a video line and a data line, the transmitting end optical transceiver is connected with the receiving end optical transceiver through an optical fiber, the receiving end optical transceiver is connected with the display through the video line, and the mouse is connected with the receiving end optical transceiver. The invention adopts the optical fiber for long-distance transmission, improves the anti-interference capability and the transmission distance of the transmission link, and brings a feasible scheme for long-distance video transmission; the optical transceiver can be used for directly converting an electric signal into an optical signal for remote transmission, and then converting the optical signal into the electric signal, so that the transmission is farther, more stable and undistorted compared with the traditional analog optical transceiver, and the display can see data output by the workstation in real time.
Description
Technical Field
The invention belongs to the technical field of video signal transmission, and particularly relates to a system for remotely transmitting video signals.
Background
At present, computer communication often carries out the remote transmission of signals such as high definition video, and these signals pass through remote transmission through ordinary transmission line at present, the signal that the receiving end received can lead to serious distortion scheduling problem because of transmission delay is big, cause video signal to show unclear problem, current transmission scheme such as router transmission cost is high, difficult maintenance, and in multimedia application system, often need carry out remote transmission to signals such as audio and video signal, keyboard, mouse, microphone, but when using ordinary cable long distance transmission, always appear the output signal poor, easily receive the interference, the phenomenon such as fuzzy, tailing, colour separation can appear in the image that shows. Meanwhile, the transmission distance is short, a plurality of cables can be used for simultaneously transmitting the signals, and the requirements of long-distance transmission in occasions such as multimedia information release and high-definition cameras cannot be met.
Disclosure of Invention
The invention aims to provide a video signal long-distance transmission system aiming at the defects of the prior art, which achieves the purpose of long-distance transmission of video signals by utilizing the conversion of optical signals and electric signals and is mainly applied to airport towers, video security or other purposes needing long-distance transmission of video signals.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a video signal remote transmission's system, includes workstation, display, optic fibre and optical transmitter and receiver at least, and the optical transmitter and receiver comprises sending end optical transmitter and receiver, uses in pairs, and the workstation passes through the video line and is connected with sending end optical transmitter and receiver through the data line, and sending end optical transmitter and receiver passes through optic fibre and is connected with receiving end optical transmitter and receiver, and receiving end optical transmitter and receiver passes through the video line and is connected with the display, and mouse is connected with receiving end optical transmitter and receiver.
Further, the workstation comprises a workstation video output interface and a workstation data output interface, the transmitting end optical transceiver comprises a transmitting end video input interface, a transmitting end equipment access interface and a transmitting end optical fiber signal output interface, and the receiving end optical transceiver comprises a receiving end video output interface, a receiving end equipment access interface and a receiving end optical fiber signal input interface.
Further, the receiving end device access interface is one or more of a video interface, a keyboard interface and a mouse interface.
Further, the transmitting end optical transceiver and the receiving end optical transceiver adopt digital optical transceivers, specifically KVM optical transceivers, and are free of compression.
Furthermore, a workstation video output interface of the workstation is connected with a sending end video input interface of the sending end optical transceiver through a video line, and a workstation data output interface of the workstation is connected with a sending end equipment access interface of the sending end optical transceiver through a data line.
Further, a transmitting end optical fiber signal output interface of the transmitting end optical transceiver is connected with a receiving end optical fiber signal input interface of the receiving end optical transceiver through an optical fiber.
Further, the display is connected with a receiving end video output interface of the receiving end optical transceiver through a video line.
Further, the mouse is connected with a receiving end device access interface of the receiving end optical transceiver.
Further, the optical fiber is a single mode optical fiber.
Further, the display is a liquid crystal display.
The invention has the beneficial effects that: a video signal long-distance transmission system adopts optical fibers to replace original network cables and cables, improves the anti-interference capability and transmission distance of a transmission link, and brings a feasible scheme for long-distance video transmission; the digital optical transmitter and receiver can directly convert the electric signal into the optical signal for remote transmission, and then convert the optical signal into the electric signal, so that the transmission is farther and more stable compared with the traditional analog optical transmitter and receiver, and the distortion condition can not be generated; the optical transceiver transmission has the advantages of small attenuation, wide frequency band, strong anti-interference performance, high safety performance, small volume, light weight and the like, so the optical transceiver transmission has incomparable advantages in the aspects of long-distance transmission, special environment and the like; the KVM optical transceiver is applied to a multimedia system, so that the construction cost and the wiring complexity are saved, and the high-quality target can be ensured; the system can support the display and play of ultra-high-definition videos, can be continuously used for a long time, can support the display and play of local videos at a far end, and supports the lossless regeneration relay of the videos, so that a multi-stage transmission mode can be adopted; the transmission distance is longer; the space is saved and the working efficiency is improved; secondly, the safety performance of the host system is greatly improved, and the host system has long-distance transmission capability; less interference from environment and high transmission quality.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings: fig. 1 is a schematic structural diagram of a system for remote transmission of video signals according to the present invention.
Description of the drawings: 1. a workstation; 2. a transmitting end optical transmitter and receiver; 3. a receiving end optical transmitter and receiver; 4. a display; 5. a mouse; 6. an optical fiber; 11. a workstation video output interface; 12. a workstation data output interface; 21. a video input interface of a sending end; 22. a sending end device accesses an interface; 23. a sending end optical fiber signal output interface; 31. a receiving end video output interface; 32. the receiving end equipment is accessed to the interface; 33. and the receiving end is an optical fiber signal input interface.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1, a system for remote transmission of video signals at least includes a workstation, a display, an optical fiber and an optical transceiver, where the optical transceiver is composed of a transmitting end optical transceiver 2 and a receiving end optical transceiver 3 for use, the workstation 1 is connected with the transmitting end optical transceiver 2 through a video cable and a data cable, the transmitting end optical transceiver 2 is connected with the receiving end optical transceiver 3 through an optical fiber 6, the receiving end optical transceiver 3 is connected with the display 4 through a video cable, and a mouse 5 is connected with the receiving end optical transceiver 3. The workstation 1 comprises a workstation video output interface 11 and a workstation data output interface 12, the transmitting-end optical transceiver 2 comprises a transmitting-end video input interface 21, a transmitting-end equipment access interface 22 and a transmitting-end optical fiber signal output interface 23, and the receiving-end optical transceiver 3 comprises a receiving-end video output interface 31, a receiving-end equipment access interface 32 and a receiving-end optical fiber signal input interface 33.
The workstation video output interface 11 of the workstation 1 is connected with the sending-end video input interface 21 of the sending-end optical transceiver 2 through a video line, and the workstation data output interface 12 of the workstation 1 is connected with the sending-end equipment access interface 22 of the sending-end optical transceiver 2 through a data line. The transmitting end optical fiber signal output interface 23 of the transmitting end optical transceiver 2 is connected with the receiving end optical fiber signal input interface 33 of the receiving end optical transceiver 3 through an optical fiber 6. The optical fiber 6 is a single mode optical fiber. Optical fiber transmission is data and signal transmission performed by using an optical fiber as a medium. The optical fiber can be used for transmitting analog signals and digital signals, and can meet the requirement of video transmission. Optical fiber transmission is generally carried out by using an optical cable, the data transmission rate of a single optical fiber can reach several Gbps, and the transmission distance can reach dozens of kilometers without using a repeater.
The display 4 is connected with the receiving end video output interface 31 of the receiving end optical transceiver 3 through a video line. The display 4 is a liquid crystal display. The receiving end device access interface 32 is one or more of a video interface, a keyboard and a mouse interface. The mouse 5 is connected to the receiving-end device access interface 32 of the receiving-end optical transceiver 3.
The transmitting end optical transceiver 2 and the receiving end optical transceiver 3 are digital optical transceivers, specifically KVM optical transceivers. The digital optical transceiver can directly convert the electric signal into the optical signal for remote transmission and then convert the optical signal into the electric signal, so that the transmission is farther and more stable compared with the traditional analog optical transceiver, and the distortion condition can not be generated; the optical transceiver transmission has the advantages of small attenuation, wide frequency band, strong anti-interference performance, high safety performance, small volume, light weight and the like, so the optical transceiver transmission has incomparable advantages in the aspects of long-distance transmission, special environment and the like; the KVM optical transceiver is applied in the multimedia system, which not only saves the construction cost and the complexity of cabling, but also ensures the high quality.
The working principle is as follows: sending end optical transmitter and receiver (2) convert the signal of telecommunication of workstation (1) into video optical signal, connect through single mode fiber between sending end optical transmitter and receiver (2) and (3), video optical signal transmits receiving end optical transmitter and receiver (3) through single mode fiber, receiving end optical transmitter and receiver (3) convert video optical signal into the signal of telecommunication, receiving end optical transmitter and receiver (3) are connected with display (4) through the video line, display (4) show the picture of workstation (1) output in real time.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a system for video signal remote transmission, at least, including the workstation, a monitor, optic fibre and optical transmitter and receiver, a serial communication port, optical transmitter and receiver comprises sending end optical transmitter and receiver (2) and receiving terminal optical transmitter and receiver (3) and constitutes the pair use, workstation (1) is connected with sending end optical transmitter and receiver (2) through video line and data line, sending end optical transmitter and receiver (2) are connected with receiving terminal optical transmitter and receiver (3) through optic fibre (6), receiving terminal optical transmitter and receiver (3) are connected with display (4) through the video line, mouse (5) are connected with receiving terminal optical transmitter and receiver (3).
2. A system for long-distance transmission of video signals according to claim 1, wherein said workstation (1) comprises a workstation video output interface (11) and a workstation data output interface (12), said transmitting optical transceiver (2) comprises a transmitting end video input interface (21), a transmitting end device access interface (22) and a transmitting end optical fiber signal output interface (23), and said receiving end optical transceiver (3) comprises a receiving end video output interface (31), a receiving end device access interface (32) and a receiving end optical fiber signal input interface (33).
3. A system for remote transmission of video signals according to claim 2, wherein said receiving device access interface (32) is one or more of a video interface, a keyboard and a mouse interface.
4. A system for the remote transmission of video signals according to claim 1, wherein said transmitting optical transceiver (2) and said receiving optical transceiver (3) are digital optical transceivers, in particular KVM optical transceivers.
5. A system for remote transmission of video signals according to claim 2, wherein the workstation video output interface (11) of the workstation (1) is connected to the transmitter video input interface (21) of the transmitter optical transceiver (2) via a video line, and the workstation data output interface (12) of the workstation (1) is connected to the transmitter device access interface (22) of the transmitter optical transceiver (2) via a data line.
6. A system for remote transmission of video signals according to claim 2, wherein the transmitting optical fiber signal output interface (23) of the transmitting optical transceiver (2) is connected to the receiving optical fiber signal input interface (33) of the receiving optical transceiver (3) via an optical fiber (6).
7. A system for the remote transmission of video signals according to claim 2, wherein said display (4) is connected to the receiving video output interface (31) of the receiving optical transceiver (3) via a video line.
8. A system for the remote transmission of video signals according to claim 2, wherein said mouse (5) is connected to a receiving-end equipment access interface (32) of said receiving-end optical transceiver (3).
9. A system for the remote transmission of video signals according to claim 1, characterized in that said optical fiber (6) is a single mode fiber.
10. A system for the remote transmission of video signals according to claim 1, wherein said display (4) is a liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111371619.XA CN114024610A (en) | 2021-11-18 | 2021-11-18 | Video signal remote transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111371619.XA CN114024610A (en) | 2021-11-18 | 2021-11-18 | Video signal remote transmission system |
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| Publication Number | Publication Date |
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| CN114024610A true CN114024610A (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111371619.XA Pending CN114024610A (en) | 2021-11-18 | 2021-11-18 | Video signal remote transmission system |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244543A (en) * | 2011-06-13 | 2011-11-16 | 中国科学院长春光学精密机械与物理研究所 | Digital optical terminal with Base-mode Camera Link interface |
| CN203984579U (en) * | 2014-07-15 | 2014-12-03 | 北京蛙视通信技术股份有限公司 | High definition optical transmitter and receiver and use the Video transmission system of this high definition optical transmitter and receiver |
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2021
- 2021-11-18 CN CN202111371619.XA patent/CN114024610A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244543A (en) * | 2011-06-13 | 2011-11-16 | 中国科学院长春光学精密机械与物理研究所 | Digital optical terminal with Base-mode Camera Link interface |
| CN203984579U (en) * | 2014-07-15 | 2014-12-03 | 北京蛙视通信技术股份有限公司 | High definition optical transmitter and receiver and use the Video transmission system of this high definition optical transmitter and receiver |
Non-Patent Citations (2)
| Title |
|---|
| 包光宏等: "某大型厂房安防系统的工程初步设计", 《工程建设与设计》 * |
| 潘剑斌: "高速公路监控系统中视频采集技术的研究与实现", 《中国新技术新产品》 * |
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