Moisture sensor and windshield fog detector

  • US 7,019,275 B2
  • Filed: 01/19/2004
  • Issued: 03/28/2006
  • Est. Priority Date: 09/16/1997
  • Status: Expired due to Fees
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First Claim
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1. A windshield wiper control system for a vehicle comprising:

  • a sensor that is divided into a plurality of subwindows;

    an optical system operative to direct light rays from at least a portion of the surface of the windshield onto said sensor; and

    a processing system in communication with said sensor and operative to analyze data from said sensor to determine whether moisture is detected in each subwindow and to control the windshield wipers based upon a number of subwindows in which moisture is detected.

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