Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 10, 2010
Patent Application Number
10693549
Date Filed
October 24, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
A system identifies which of first and second signal sources is supplying a program signal to a monitored receiver. The first and second signal sources and the monitored receiver are located in a household. The system extracts a reference program signature representative of an output of the monitored receiver and first and second source program signatures representative of an output of the first and second signal sources. The system identifies which of the first and second signal sources is a source of the program signal in response to the reference program signature and the first and second source program signatures.
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