An fpga-based full-mode cameralink digital image optical transceiver receiver and transmitter

A digital image and optical transceiver technology, applied in the field of long-distance transmission, can solve the problem that the sending end and the receiving end cannot be used universally, and achieve the effects of high bandwidth, flexible use, and increased system integration and intelligence

Active Publication Date: 2021-05-14
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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Problems solved by technology

[0005] The present invention aims to overcome the technical defects that the sending end and receiving end of the existing digital image optical transceivers cannot be used universally and rely on codec chips, and provide a FPGA-based full-mode Cameralink digital image optical transceiver sending end and Receiving end

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  • An fpga-based full-mode cameralink digital image optical transceiver receiver and transmitter
  • An fpga-based full-mode cameralink digital image optical transceiver receiver and transmitter
  • An fpga-based full-mode cameralink digital image optical transceiver receiver and transmitter

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Embodiment Construction

[0048] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.

[0049]The digital image optical transceiver includes a digital image sending end 1 and a digital image receiving end 2, and the two communicate through an optical fiber connection; the sending end 1 converts the image data input into the Cameralink interface and the camera serial communication signal into an optical signal, and sends it to The receiving end 2, the receiving end 2 converts the optical signal into a corresponding image signal and a serial communication signal and outputs it from the Cameralink interface. The sending end 1 receives the camera control signal and the camera...

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Abstract

The present invention relates to the technical field of long-distance transmission of Cameralink high-speed digital images, and specifically discloses a sending end of an FPGA-based full-mode Cameralink digital image optical transceiver, including an FPGA chip, a Cameralink interface module, and an SFP optical module. The FPGA chip includes a serial-to-parallel signal conversion module , Cameralink decoding module, mode control module; Cameralink interface module receives Cameralink signal and sends it to Cameralink decoding module; Cameralink decoding module decodes serial data and sends it to serial-parallel signal conversion module; serial-parallel signal conversion module receives The digital image signal is serial-to-parallel converted to form a serial data stream; the SFP optical module receives the serial data stream and converts it into an optical fiber signal; the mode control module controls the working mode of the sending end. Correspondingly, the present invention also discloses a receiving end of an FPGA-based full-mode Cameralink digital image optical transceiver. The invention uses the FPGA chip software to replace the traditional codec chip, so that the hardware structure of the sending end and the receiving end of the optical transceiver is the same, and the beneficial effect of increasing system integration is achieved.

Description

technical field [0001] The invention relates to the technical field of long-distance transmission of Cameralink high-speed digital images, in particular to an FPGA-based full-mode Cameralink digital image optical transceiver. Background technique [0002] In the field of cameralink digital image transmission technology, in the traditional transmission mode, the transmission medium between devices is directly connected by cameralink data line, which makes it poor in anti-interference and short in transmission distance. (CameraLink is a serial communication protocol specifically for machine vision applications, using low-voltage differential signals for LVDS transmission; LVDS, or LowVoltageDifferentialSignaling, is a low-voltage differential signal technology interface.) [0003] Because optical fiber transmission has the advantages of good confidentiality, strong anti-interference performance, high transmission rate and large capacity, there are more and more Cameralink imag...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/22
CPCH04N7/22
Inventor 张维达张甫恺崔明曹永刚吴志勇
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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