Arrangement for and method of processing data, especially for identifying and verifying airing of television broadcast programs
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United States of America Patent
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-
Apr 6, 1993
Grant Date -
N/A
app pub date -
Apr 23, 1991
filing date -
Apr 23, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Data are added invisibly to the active video component of a television signal by a modulated carrier. The data, upon recovery, may be used for numerous purposes, including network signaling, data transmission, program identification, remote machine control, broadcast verification, and signal quality detection and measurement.
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Family
International Classification(s)
Cited Art Landscape
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