Windscreen sensing and wiper control system

  • US 6,020,704 A
  • Filed: 12/02/1997
  • Issued: 02/01/2000
  • Est. Priority Date: 12/02/1997
  • Status: Expired due to Term
  • ×
    • Pin Icon | RPX Insight
    • Pin
First Claim
Patent Images

1. An apparatus for a motor vehicle in which a windshield at least partially encloses an interior compartment for housing passengers, said apparatus for detecting moisture on said windscreen, comprising:

  • illumination source mounted within said motor vehicle;

    diffusion surface spaced within said motor vehicle apart from said illumination source, said diffusion surface for reflecting light rays from said illumination source onto said windscreen;

    light sensor spaced within said interior compartment apart from said windscreen and said diffusion surface, said light sensor for deflecting light rays reflected from said windscreen; and

    image processor in communication with said light sensor, said image processor for creating an image representing said moisture on said windscreen based upon input from said light sensor.

View all claims
  • 2 Assignments

    Thank you for your feedback