Apparatus for tracking the flow of video signals by incorporating patterns of machine readable signals which will appear at predetermined locations of a television picture
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United States of America Patent
Stats
-
Sep 17, 1996
Issued Date -
N/A
app pub date -
Feb 14, 1995
filing date -
Jan 12, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Method and apparatus for encoding and decoding video signals for identification, editing, modifying, cuing, routing, distributing, switching, activating and controlling the video signals. One of the many applications is a television program distribution system including a plurality of units through which the television programs flow, by operating a first signal processing unit connected within the system for adding signal elements to the video signal of a program in order to add patterns of symbols to the television picture such that the symbols are disposed at predetermined locations of the television picture and a plurality of successive patterns constituting a code uniquely identifying the program; and a second signal processing unit connected within the system for detecting signal elements previously added to a video signal and for producing, in response to such detection, an identification of the program which included the video signal.
First Claim
Family
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Cited Art Landscape
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