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System and method for identifying seat occupancy in a vehicle

  • US 7,624,834 B2
  • Filed: 01/29/2004
  • Issued: 12/01/2009
  • Est. Priority Date: 03/21/2003
  • Status: Active Grant
First Claim
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1. A method for identifying seat occupancy in a vehicle, the method which comprises:

  • providing a plurality of seats with a plurality of reflectors;

    providing a single transmitter that emits a field of high-frequency radiation towards the plurality of seats such that the plurality of reflectors in the plurality of seats reflect the high-frequency radiation that is emitted from the single transmitter;

    providing a single receiver unit that receives the high-frequency radiation that is reflected by the plurality of reflectors in the plurality of seats; and

    evaluating, in a control unit, the radiation received by the receiver unit with respect to a radiation intensity and deducing therefrom a seat occupancy at the plurality of seats.

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