Apparatus and method for measuring tuning of a digital broadcast receiver
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Issued Date -
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app pub date -
Mar 29, 2004
filing date -
Dec 27, 2000
priority date (Note) -
Abandoned
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Abstract
An apparatus identifies a program selected for reception on a monitored receiver. The monitored receiver has a receiver output, and the selected program is one of a plurality of receivable programs. The apparatus includes a tuner and demodulator arranged to receive a predetermined one of the programs. A first feature extractor extracts a first set of characteristic features from the receiver output. A second feature extractor extracts a second set of characteristic features from the predetermined program. A comparator compares the first and the second sets of characteristic features. A code extractor extracts a program identifying code from the predetermined program if the first and the second sets of characteristic features match.
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