Vehicle vision system using image data transmission and power supply via a coaxial cable

  • US 10,567,633 B2
  • Filed: 05/02/2019
  • Issued: 02/18/2020
  • Est. Priority Date: 09/21/2011
  • Status: Active Grant
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First Claim
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1. A vehicular vision system, said vehicular vision system comprising:

  • a plurality of imaging sensors disposed at a vehicle and having respective exterior fields of view, each of said imaging sensors capturing respective image data;

    a control disposed at the vehicle, the control comprising a data processor;

    wherein said imaging sensors are connected to said control via respective ones of a plurality of single core coaxial cables;

    wherein each of said single core coaxial cables commonly carries (i) image data from the respective imaging sensor to the control for processing at the data processor and (ii) power to the respective imaging sensor;

    wherein each of said imaging sensors is capable of communicating via an ETHERNET communication protocol;

    wherein, when initially powering up said vehicular vision system, each of said imaging sensors is in a respective initial mode;

    wherein, while each of said imaging sensors is in the respective initial mode, the ETHERNET communication protocol is transmitted by said control to each of said imaging sensors and each of said imaging sensors receives the ETHERNET communication protocol;

    wherein, after the ETHERNET communication protocol is transmitted by said control to each of said imaging sensors, each of said imaging sensors communicates with said control in accordance with the ETHERNET communication protocol; and

    wherein each of said single core coaxial cables provides bidirectional communication between said control and the respective imaging sensor.

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