Television viewership monitoring system employing audio channel and synchronization information
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 29, 2000
Grant Date -
N/A
app pub date -
Jul 14, 1997
filing date -
Jul 14, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention provides an system, apparatus, and method of recording a viewer's television viewership habits. Sensors passively monitor the audio signal and video signal emanating from the television. By matching the audio signal in the source and emanating from the television and by matching television frame synchronization signal and the television source synchronization signal an unambiguous identification of the viewed channel is made.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully