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Error detection circuit for an airbag deployment control system

  • US 6,559,557 B2
  • Filed: 12/20/2000
  • Issued: 05/06/2003
  • Est. Priority Date: 12/20/2000
  • Status: Expired due to Fees
First Claim
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1. An error detection circuit for an airbag deployment control system, comprising:

  • a delay circuit receiving an analog acceleration signal and producing a delay signal corresponding to said analog acceleration signal delayed in time;

    a differential circuit subtracting said delay signal from said analog acceleration signal and producing a difference signal corresponding thereto; and

    a first comparison circuit responsive to said difference signal to produce a first inhibit signal for inhibiting deployment of an airbag if said difference signal falls within a first predefined signal range.

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