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Photoelectric device

  • US 3,072,798 A
  • Filed: 10/27/1959
  • Issued: 01/08/1963
  • Est. Priority Date: 10/27/1959
  • Status: Expired due to Term
First Claim
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2. A PHOTOELECTRIC DEVICE COMPRISING A ROTATABLE MEMBER, REFLECTING MEANS MOUNTED ON SAID ROTATABLE MEMBER IN A POSITION INCLINED TO THE AXIS OF ROTATION OF SAID ROTATABLE MEMBER, A LIGHT BEAM SOURCE FORMING AN INCIDENT LIGHT BEAM, MEANS FOR DIRECTING SAID BEAM PARALLEL TO SAID AXIS OF ROTATION ONTO SAID REFLECTING MEANS WHEREBY SAID REFLECTING MEANS REFLECTS SAID INCIDENT BEAM TO DESCRIBE A CONICAL SURFACE DURING ROTATION OF SAID ROTATABLE MEMBER, REFLEXREFLECTIVE MEANS POSITIONED TO REVERSE SAID INCIDENT LIGHT

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