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Ignition circuit for a squib in an air bag in a vehicle

  • US 5,554,890 A
  • Filed: 03/09/1994
  • Issued: 09/10/1996
  • Est. Priority Date: 03/16/1993
  • Status: Expired due to Term
First Claim
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1. An ignition circuit for a squib in an air bag in a vehicle, comprisinga battery;

  • a first capacitor which is charged by said battery;

    a second capacitor which is connected in parallel with said first capacitor, and charged by said battery;

    a sensor that detects a collision of the vehicle; and

    an igniting means which connects said first capacitor and said second capacitor in series, and supplies electric energy charged in said first capacitor and said second capacitor to said squib when the collision of said vehicle is detected by the sensor.

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