Method and system for swimmer denial

Details Method and system for swimmer denial Method and system for swimmer denial

2007-08-07

2007-08-07

Pihulic, Daniel (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Transmitter systems

With beam forming, shaping, steering, or scanning

C367S139000

Reexamination Certificate

active

11095851

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.

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Kuperman et al.: “Phase conjugation in the Ocean: Experimental Demonstration of an Acoustic Time-Reversal Mirrors,” Journal of the Acoustical Society of America, American Institute of Physics: vol. 103, No. 1: Jan. 1998.
Partial PCT Search Report received with Invatation to Correct Pay Additional Fees in PCT/US2005/010644, dated Sep. 8, 2005.
Dorme et al.: “Ultrasonic Beam Steering Through Inhomogeneous Layers with a Time Reversal Mirror;” 8104 IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control; 43 (1996); January, No. 1; XP 000557500; pp. 167-175.
PCT Search Report of the ISA for PCT/US2005/010644 dated Nov. 24, 2005.
Written Opinion of the ISA for PCT/US2005/010644 dated Nov. 24, 2005.

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