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Passenger detecting apparatus having load detecting determining part and seat condition determining part

  • US 8,987,614 B2
  • Filed: 03/21/2012
  • Issued: 03/24/2015
  • Est. Priority Date: 05/13/2011
  • Status: Active Grant
First Claim
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1. A vehicle passenger detection apparatus comprising:

  • a load detecting part installed in the vicinity of a seat of a vehicle to detect a load acting on the seat; and

    a seat condition determining part configured to determine a condition of the seat based on a load detection signal from the load detecting part, the seat condition determining part includinga vibration threshold value setting section configured to set a vibration threshold value based on a load change amount indicative of a change amount of the load acting on the seat such that the vibration threshold value is higher when the load change amount is small than when the load change amount is large,a vibration determining section configured to determine if the vehicle vibration is occurring based on a vibration change amount and the vibration threshold value, the vibration change amount being indicative of a change amount of the load detection signal, anda seat determining section configured to execute a seating determination based on the load detection signal when the vibration determining section determines that the vehicle vibration is not occurring, and to defer execution of the seating determination to maintain a previous seating determination result when the vibration determining section determines that the vehicle vibration is occurring.

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