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Anti-collision sonar system

  • US 3,886,487 A
  • Filed: 05/31/1973
  • Issued: 05/27/1975
  • Est. Priority Date: 05/31/1973
  • Status: Expired due to Term
First Claim
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1. A sonar system comprising:

  • a transducer system;

    means for positioning said transducer system between two boundaries of a layer of fluid, said transducer system including means for adapting said transducer system to produce a beam of radiant energy wherein the sides of the beam are substantially parallel to said boundaries, said positioning means including means for rotating a beam of energy emanating from said transducer system for directing said beam of radiation between said boundaries; and

    means responsive to a speed of movement of said transducer system through said fluid for storing data obtained through the reception of radiant energy by said transducer system.

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