Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
John C Peiffer0
Venugopal Srinivasan0
Daniel J. Nelson0
Date of Patent
March 11, 2008
0Patent Application Number
110372770
Date Filed
January 18, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Systems and methods for determining whether a television is on and in near proximity are provided. An example system includes a sensor, an analog-to-digital converter, and a digital signal processor. The digital signal processor processes a set of digital audio samples detected by the sensor to determine if the sensor is in near proximity to a television in an on state.
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