04203130 is referenced by 219 patents and cites 1 patents.

Program schedules together with other periodically updated information is displayed to subscribers through a cable television system. The information is derived from optical image recordings and electronically generated from digital circuitry for display in synchronized relation to audio and color signals. The optically derived and digitally generated video signals together with color control signals are combined in a video mixer to modulate the output of a cable television transmitter operating on any desired channel.

Title
Information displaying system
Application Number
5/758553
Publication Number
4203130
Application Date
January 11, 1977
Publication Date
May 13, 1980
Inventor
Robert E Weiblen
Towson
MD, US
Joseph A Doumit
New Iberia
LA, US
Agent
Harvey B Jacobson
Clarence A O Brien
Assignee
Dial A Channel
LA, US
IPC
H04N 9/02
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