Method and apparatus for sensing a vehicle crash in real time using a frequency domain integration and summation algorithm

  • US 5,036,467 A
  • Filed: 04/04/1990
  • Issued: 07/30/1991
  • Est. Priority Date: 04/04/1990
  • Status: Expired due to Term
  • ×
    • Pin
First Claim
Patent Images

1. An apparatus for controlling actuation of a passenger restraint system in a vehicle, said apparatus comprising:

  • sensing means for providing a time domain vibratory electric signal having frequency components indicative of a vehicle crash condition;

    means for transforming the time domain vibratory electric signal over at least two time intervals into associated frequency domain signals;

    means for integrating each of the frequency domain signals;

    means for summing the integrals of the frequency domain signals; and

    means for actuating the passenger restraint system when the sum of the integrals of the frequency domain signals indicates a predetermined type of vehicle crash is occurring.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×