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Transducer

  • US 4,047,144 A
  • Filed: 08/15/1975
  • Issued: 09/06/1977
  • Est. Priority Date: 06/30/1971
  • Status: Expired due to Term
First Claim
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1. In an electromechanical transducer unit:

  • a substrate support body of semiconductive material having a first type of conductivity and having two pads separated by an intermediate reduced neck, anda lineal resistor in the reduced neck of the substrate support body said resistor being composed of semiconductive material having a second type of conductivity, the electrical resistance of the lineal resistor varying with the relative displacement of the pads of the substrate support body, andtwo relatively movable members secured to the respective pads for displacing one of the pads relative to the other.

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