Interactive video distribution systems – Access control or blocking – Of specific program
Reexamination Certificate
2005-02-01
2005-02-01
Miller, John (Department: 2614)
Interactive video distribution systems
Access control or blocking
Of specific program
C725S139000, C725S151000
Reexamination Certificate
active
06851121
ABSTRACT:
A method and apparatus for adjusting an embedded portion of a television signal. The embedded portion is adjusted such that a downstream receiver effects no change on a displayed video upon decoding the adjusted embedded portion.
REFERENCES:
patent: 5109279 (1992-04-01), Ando
patent: 5638112 (1997-06-01), Bestler et al.
patent: 6166780 (2000-12-01), Bray
Asmuth Charles August
Christine Charles Weaver
Dieterich Charles Benjamin
Koping Kent Charles
Plotnick Michael Allen
Burke William J.
Manning John
Miller John
Sarnoff Corporation
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