US Patent 6973830 Time-reversed photoacoustic system and uses thereof
Patent 6973830 was granted and assigned to Hrl Laboratories, Llc on December, 2005 by the United States Patent and Trademark Office.
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Patent abstract
A remote mass is excited by a plurality of beams generated sequentially by each one of a plurality of time reversal mirrors, and the surface vibrations of the excited mass are detected by a laser vibrometer in each of the time reversal mirrors. Each vibrometer generates a signal indicative of the surface vibrations which is stored, reversed in time, and applied to modulate the exciter beam impinged onto the mass by the respective time reversal mirror.
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Patent Inventor Names
David M. Pepper0
David S. Sumida0
Gilmore J. Dunning0
Date of Patent
December 13, 2005
0Patent Application Number
109666980
Date Filed
October 14, 2004
0Patent Primary Examiner
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US Patent 6973830 Time-reversed photoacoustic system and uses thereof
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