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Rain sensor

  • US 5,659,294 A
  • Filed: 02/02/1995
  • Issued: 08/19/1997
  • Est. Priority Date: 05/17/1994
  • Status: Expired due to Fees
First Claim
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1. A rain sensor comprising:

  • two spaced-apart conductive paths lying parallel to each other, wherein, upon installation of the rain sensor upon a windshield of a motor vehicle, the conductive paths are disposed on the windshield and are connected electrically to evaluation electronics system of the vehicle; and

    wherein opposed edges of each of said conductive paths undergo a succession of multiple arcuate undulations producing a succession of multiple increases and decreases in a width of each of said conductive paths for increasing an effective resistive length of the sensor.

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