Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
William Chris Eaton0
Eric Douglas Romesburg0
Date of Patent
May 31, 2011
Patent Application Number
11776794
Date Filed
July 12, 2007
Patent Primary Examiner
Patent abstract
An electronic device includes first and second speakers, a microphone, and circuitry configured to generate first and second audio signals in response to a source audio signal, to play the first audio signal over the first speaker, and to play the second audio signal over the second speaker. The first and second audio signals are configured, and the first and second speakers are positioned, so that the first audio signal output by the first speaker and the second audio signal output by the second speaker combine destructively at the microphone.
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