Rear vision system for vehicle with dual purpose signal lines

  • US 10,232,797 B2
  • Filed: 04/29/2014
  • Issued: 03/19/2019
  • Est. Priority Date: 04/29/2013
  • Status: Active Grant
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First Claim
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1. A vision system of a vehicle, said vision system comprising:

  • a camera disposed at a vehicle and having a field of view exterior of the vehicle, wherein said camera is operable to capture image data;

    wherein said camera comprises a circuit board and an imager disposed at said circuit board, wherein said imager comprises a two-dimensional photosensor array of photosensing pixels;

    an image processor disposed at said circuit board of said camera, wherein said circuit board has circuitry disposed thereat;

    wherein said image processor is operable to process image data captured by said camera;

    wherein signals to and from said image processor are provided on at least one shared line connected between an electrical connector of said camera and a vehicle control of the vehicle;

    wherein said at least one shared line comprises at least one combined camera control and camera programming line, and wherein signals carried on said combined camera control and camera programming line (i) control operation of said camera and (ii) program said camera; and

    wherein an external supply voltage level is adjusted to adjust the signals that are communicated along said at least one combined camera control and camera programming line.

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