7,254,092 Method and system for swimmer denial
  Issued: August 7, 2007
  Filed: March 31, 2005
  U.S. Class: 367/138
Abstract:  A method and system for swimmer denial transmits underwater sound associated with a time-reversed impulsive response, resulting in amplified sound at a predetermined location. The amplified sound has sufficient peak pressure and/or impulse area to form a barrier to an underwater swimmer.

Posted by GEN-ERIC at 10:40:02 am into the following categories: Patents of the Day

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