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Sensor for acceleration

  • US 4,477,732 A
  • Filed: 06/16/1983
  • Issued: 10/16/1984
  • Est. Priority Date: 08/26/1982
  • Status: Expired due to Fees
First Claim
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1. A sensor for detecting acceleration, in particular for triggering passenger protection devices in motor vehicles, comprising a spring-restrained inertial mass the deflection of which is measured with reference to a fixed reference point upon the action of an acceleration thereon, said mass including a first photoconductor, one end of which is acted upon by a light source and the other end of which is located opposite further photoconductors connected to respective photo detection means in dependence upon the deflection of said mass, and means generating a trigger signal in response to said detection means upon the exceeding of an acceleration threshold value.

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