Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
John Allen Hilton0
Date of Patent
December 18, 2007
0Patent Application Number
105170570
Date Filed
June 4, 2003
0Patent Primary Examiner
Patent abstract
A transducer assembly has a generally planar resonator (12) (such as a disc) bonded on one face to a sheet of piezoelectric material (12B) and having a mounting flange (12C) (which may extend all around the periphery of the resonator) to mount the resonator between inner (13) and outer (11) mounting elements such as rings. An electric circuit (24) drives the piezoelectric sheet (12B) and, when used for sound generation, a tuned acoustic structure is provided for directing sound away from the resonator (12).
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