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Infrared radiation-burglary detector

  • US 4,052,616 A
  • Filed: 11/04/1976
  • Issued: 10/04/1977
  • Est. Priority Date: 06/30/1976
  • Status: Expired due to Term
First Claim
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1. An infrared radiation-burglary detector comprising radiation-focusing means having a focal surface, a radiation receiver, a bundle of radiation-conducting elements having radiation inlet openings and radiation outlet openings, the radiation inlet openings being located substantially at the focal surface of the radiation-focusing means and the radiation outlet openings being located in front of the radiation receiver.

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