Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 28, 2013
Patent Application Number
12507143
Date Filed
July 22, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
A sound generator includes a transducer converting electric energy to mechanical energy, a mechanical amplifier mechanically amplifying a vibration generated in a piezoelectric component of the transducer, and a radiation plate radiating a sound wave from a signal amplified by the mechanical amplifier, wherein the radiation plate includes a first step having a height for compensating for a first resonance frequency and a second step having a height for compensating for a second resonance frequency.
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