Multi-cam test device based on optical fiber transmission technique

Multi-cam test device based on optical fiber transmission technique

  • CN 108,924,548 A
  • Filed: 08/01/2018
  • Published: 11/30/2018
  • Est. Priority Date: 08/01/2018
  • Status: Active Application
First Claim
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1. a kind of multi-cam test device based on optical fiber transmission technique, which is characterized in that including optical module and Image AcquisitionCard, the optical module is to connect computer Ethernet card, and described image capture card and the optical module are electrically connected, to evenMulti-cam element is surveyed in reception, to acquire image data, and described image acquisition signal is transmitted to computer by optical moduleEthernet card, wherein described image capture card includes:

  • CPHY signal processing module, has LVDS interface, and the CPHY signal processing module receives the figure by LVDS interfaceAs the corresponding CPHY data-signal of data;

    DPHY signal processing module, has GTX interface, and the DPHY signal processing module passes through GTX interface described imageThe corresponding DPHY data-signal of data;

    CPHY-DPHY switch switching circuit is electrically connected with the CPHY signal processing module and DPHY signal processing module, is usedTo switch the CPHY signal processing module or the work of DPHY signal processing module;

    Image buffer storage module is electrically connected, to cache with the CPHY signal processing module and DPHY signal processing moduleState CPHY data-signal and DPHY data-signal;

    Image processing module is electrically connected, to the picture number cached to described image cache module with image buffer storage moduleAccording to progress image procossing;

    Digital power module, to control the CPHY signal processing module, DPHY signal processing module, CPHY-DPHY switchSwitching circuit, image buffer storage module and image processing module on/off;

    I2C/SPI conversion module to carry out isolated I2C/SPI data to described image data, and presses the control of selectionTiming control I2C bus, I2C bus pass through digital power module and multi-cam element to be measured described in I2C data configurationCMOS sensitive chip.

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