Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1985-08-28
1992-01-28
Olms, Douglas W.
Facsimile and static presentation processing
Static presentation processing
Attribute control
455 2, 455 4, 455 3, 455 5, 358 84, H04N 704, H04H 102, H04B 1700
Patent
active
RE0338087
ABSTRACT:
A signal substitution system for cable television applies substitute television program signals in at least one substitute channel to the transmission cable along with signal substitution control signals. The signal substitution control signals include a plurality of different terminal command signals and a plurality of different event command signals. Each of the terminal command signals includes a respective panelist address signal for identifying a respective panelist receiving station and a plurality of event identification signals identifying respective events. Each of the event command signals includes a respective event address signal corresponding to a respective event and a normal channel identification signal for identifying a normal channel into which a substitute television program is to be switched. A controller at each panelist receiving station responds to the signal substitution control signals by selectively switching a substitute television program into a normal channel. The controller stores event signals corresponding to the event identification signals of the respective terminal command signal. When a received event address signal corresponds to a local event address signal and the received normal channel identification signal corresponds to a channel select signal selected by the viewer, a substitute channel is substituted for the channel selected by the viewer for a period determined by the event command signals.
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Information Resources, Inc.
Olms Douglas W.
Smith Ralph E.
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