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Wiper controller for controlling windshield wiper

  • US 20060202654A1
  • Filed: 01/19/2006
  • Published: 09/14/2006
  • Est. Priority Date: 03/08/2005
  • Status: Active Grant
First Claim
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1. A wiper controller comprising:

  • a sensor for detecting a waterdrop disposed on a windshield of a vehicle;

    a wiper disposed on the windshield for wiping the windshield; and

    control means for controlling operation of the wiper on the basis of amount of the waterdrop, wherein the control means monitors a waterdrop reflection caused by the waterdrop when the sensor detects the waterdrop disposed on the windshield, the waterdrop reflection is a diffuse reflection of light entered from an external light source into a compartment of the vehicle through the waterdrop and the windshield, and the control means operates the wiper with an intermittent wiping operation having a time interval in such a manner that the time interval in a case where the control means decides nonexistence of the waterdrop reflection is set to be longer than the time interval in a case where the control means decides existence of the waterdrop reflection.

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