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US Patent 7449821 Piezoelectric micromachined ultrasonic transducer with air-backed cavities
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Patent
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Date Filed
March 2, 2005
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Date of Patent
November 11, 2008
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Patent Application Number
11068776
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Patent Citations Received
US Patent 12000967 Regional gain control for segmented thin-film acoustic imaging systems
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US Patent 11890117 Systems for indicating parameters in an imaging data set and methods of use
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US Patent 11892289 Manual calibration of imaging system
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US Patent 11941907 Acoustic imaging system architecture
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US Patent 11950512 Thin-film acoustic imaging system for imaging through an exterior surface of an electronic device housing
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US Patent 11786213 System and method for multipath processing of image signals
US Patent 11864870 System and method for instant and automatic border detection
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Patent Inventor Names
David Edward Dausch
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Patent Jurisdiction
United States Patent and Trademark Office
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Patent Number
7449821
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Patent Primary Examiner
Darren Schuberg
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