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Occupant based frequency analysis algorithm

  • US 6,697,723 B2
  • Filed: 02/27/2002
  • Issued: 02/24/2004
  • Est. Priority Date: 02/27/2002
  • Status: Expired due to Fees
First Claim
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1. An occupant classification system for an automotive vehicle comprising:

  • a weight-sensing device coupled to a seat system and generating a weight signal;

    an accelerometer coupled to said seat system and generating an acceleration signal; and

    a controller electrically coupled to said weight-sensing device and said accelerometer, said controller determining occupant classification in response to said weight signal and said acceleration signal by monitoring a frequency domain representation of the weight signal divided by said acceleration signal.

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