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Passenger detecting apparatus

  • US 6,490,515 B1
  • Filed: 09/26/2000
  • Issued: 12/03/2002
  • Est. Priority Date: 01/27/1999
  • Status: Expired due to Fees
First Claim
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1. A passenger detection apparatus for detecting the presence of a passenger or an object on a seat cushion, said apparatus comprising:

  • at least one pressure sensor having an output signal;

    at least one dielectric sensor having an output signal; and

    a decision unit coupled to said pressure sensor and said dielectric sensor configured to determine the presence of a passenger or an object on said seat cushion in response to said output signals, wherein if the presence of a passenger is identified, the decision unit is configured to determine a buttock position of the passenger on the seat cushion and a shoulder position of the passenger on a seat back, and wherein the decision unit is configured to use the buttock position and the shoulder position to determine the size of the upper body of the passenger.

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