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Accelerometer sensor

  • US 4,114,453 A
  • Filed: 06/13/1977
  • Issued: 09/19/1978
  • Est. Priority Date: 06/13/1976
  • Status: Expired due to Term
First Claim
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1. An acceleration sensor, comprising:

  • a housing;

    an electrical resistor body disposed within the housing and including compacted interleavings of insulating sheet material carrying electrically-conductive particles imparting to said body a high electrical resistivity in the axial direction, which resistivity decreases with the further compaction of said body in the axial direction;

    a mass movable within the housing in response to acceleration and effective to apply pressure to the resistor body in the axial direction to further compact same and thereby to decrease its axial resistivity;

    and electrical contacts connected to the opposite ends of said resistor body to enable the axial resistivity thereof to be measured.

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