Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Aart Zeger Van Halteren0
Jens Kristian Poulsen0
Lars Jørn Stenberg0
Date of Patent
June 16, 2009
Patent Application Number
11133877
Date Filed
May 20, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A condenser microphone is provided having a transducer element. A diaphragm has an electrically conductive portion. A back-plate has an electrically conductive portion. A DC bias voltage element is operatively coupled to the diaphragm and the back-plate. A collapse detection element is adapted to determine a physical parameter value related to a separation between the diaphragm and the back-plate. A collapse control element is adapted to control the DC bias voltage element based on the determined physical parameter value.
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