Camera interface full-mode fiber transmission system

A camera interface and optical fiber transmission technology, which is applied in the field of information transmission, can solve the problems that cannot meet the data transmission requirements of MEDIUM and FULL modes with high frame rates, and achieve the effects of strong anti-electromagnetic interference, good real-time performance, and large throughput

Inactive Publication Date: 2011-05-18
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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Problems solved by technology

[0003] In view of the above problems, in order to solve the defects of the prior art, the purpose of the present invention is to provide a camera interface full-mode optical fiber transmission system, which can effectively solve the MEDIUM and FULL modes that the current CameraLink / fiber adapters in use cannot meet the high frame rate. The problem with data transfer requirements

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  • Camera interface full-mode fiber transmission system
  • Camera interface full-mode fiber transmission system
  • Camera interface full-mode fiber transmission system

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Embodiment Construction

[0014] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0015] Depend on figure 1 As shown, the camera interface full-mode optical fiber transmission system includes frequency multiplier FPGA1, three serializers 2, three 3.125G transmitting optical modules 3, optical fiber 4, three 3.125G receiving optical modules 5, and three deserializers 6 And data alignment and frequency division FPGA7, said frequency multiplication FPGA1 is connected with the camera under the FULL mode by two CameraLink plugs, frequency multiplication FPGA1 receives the digital video data and the digital video data and 3 channels of LVDS follow the pixel clock, and select one clock signal for frequency multiplication processing; the frequency multiplication FPGA1 is connected to the serializer 2, and the frequency multiplication FPGA1 passes the processed frequency multiplication signal to the serializer 2 for p...

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Abstract

The invention relates to the field of information transmission, in particular to a camera interface full-mode fiber transmission system. The system comprises a frequency doubling field programmable gate array (FPGA), a serializer, a 3.125G sending optical module, fibers, a 3.125G receiving optical module, a deserializer and a data alignment and frequency division FPGA, wherein the frequency doubling FPGA is connected with a camera through a Camera Link jack and connected with the 3.125G sending optical module through the serializer; the 3.125G sending optical module is connected with the 3.125G receiving optical module through three fibers with equal length; and the 3.125G receiving optical module is connected with the data alignment and frequency division FPGA through the deserializer. The system has high data throughput, strong electromagnetic interference resistance and far transmission distance, and can meet the requirement of high-frame frequency video data remote fiber transmission under MEDIUM and FULL modes.

Description

technical field [0001] The invention relates to the field of information transmission, in particular to a camera interface full-mode optical fiber transmission system. Background technique [0002] At present, in the fields of industrial automation production and military monitoring, digital cameras with high frame rate are generally used as monitoring equipment, and the frame rate is still increasing, and the amount of data is also increasing. CameraLink is an interface commonly used by high-speed cameras, and it will still be the main output interface of high-speed cameras for a long time to come. The monitoring targets in industrial sites or military fields are special and sometimes dangerous, so it is necessary to transmit the surveillance video of the camera over long distances. Optical fiber transmission not only has large data throughput and long transmission distance, but also can shield the electromagnetic interference of the surrounding environment during the tran...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/12H04B10/25
Inventor 佟刚李增曹永刚崔明
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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