×

Vehicle window position sensor

  • US 6,433,500 B1
  • Filed: 06/26/2001
  • Issued: 08/13/2002
  • Est. Priority Date: 06/26/2001
  • Status: Expired due to Fees
First Claim
Patent Images

1. Apparatus for detecting a window open condition, said apparatus comprising:

  • a first photoelectric cell mountable to the window for providing a reference output signal independent of the window open condition;

    a second photoelectric cell mountable to the window and providing a signal having a first characteristic if the window is open and a second characteristic if the window is not open;

    comparison means for comparing the reference output signal with the signal from the second photoelectric cell, said comparison being indicative of the open condition of the window; and

    indicator means, responsive to said comparison means, for indicating if the vehicle window is in the open condition.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×