Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 24, 2006
Patent Application Number
11044822
Date Filed
January 27, 2005
Patent Primary Examiner
Patent abstract
A Tonpilz transducer which includes a first stack of piezoceramic elements with a first plurality of electrodes connected to form a first pair of external connections. There is also a second stack of piezoceramic elements with a second plurality of electrodes connected to form a second pair of external connections, and the first and second stacks of piezoceramic elements have opposed polarizations.
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