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Photoelectric transducer

  • US 3,103,214 A
  • Filed: 04/10/1962
  • Issued: 09/10/1963
  • Est. Priority Date: 04/10/1962
  • Status: Expired due to Term
First Claim
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1. A DIGITAL TRANSDUCER FOR DETECTING ARTERIAL PULSATIONS COMPRISING A SUBSTANTIALLY RECTANGULAR SHAPED HOUSING, A LIGHT SOURCE WITHIN SAID HOUSING, A FIRST RECESS EXTENDING FROM SAID LIGHT SOURCE TO ONE FACE OF SAID HOUSING, A PHOTOELECTRIC CELL WITHIN SAID HOUSING,A SECOND RECESS EXTENDING FROM SAID CELL TO SAID ONE FACE OF SAID HOUSING, AN ARCAUTE GROOVE IN SAID ONE FACE OF SAID HOUSING EXTEND-

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