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Actuator of motor vehicle safety device

  • US 3,871,472 A
  • Filed: 02/22/1973
  • Issued: 03/18/1975
  • Est. Priority Date: 02/23/1972
  • Status: Expired due to Term
First Claim
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1. An actuator of safety devices for a motor vehicle comprising:

  • a main DC power source;

    a first series circuit connected across said power source and formed by an instant impact responsive collision sensor which is connected to a first electrically actuable detonating means;

    a second series circuit connected in parallel with said first series circuit and formed by a delayed-action impact responsive collision sensor which is connected to a second electrically actuable detonating means; and

    an auxiliary power source for actuating said second detonating means and comprising a first diode connected between one terminal of said main power source and said second series circuit, a series connection formed by a resistor having one terminal connected to a junction between said one terminal of said main power source and said first diode and a capacitor connected between the other terminal of said resistor and the other terminal of said main power source, and a second diode having one terminal connected to the other terminal of said resistor and with the other terminal of said second diode being connected to a junction between said first diode and said delayed-action impact responsive collision sensor.

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