Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1988-01-04
1989-03-21
Groody, James J.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358 84, 358142, 358 86, H04N 5268
Patent
active
048148830
ABSTRACT:
In one embodiment, the commercial insertion system includes, at a control center, a source of commercial inserts and a processor for generating various command signals based upon monitoring a plurality of programmed channels signals on a per channel basis. A stream of commercial insert video signals and the command signals are sent via a satellite up link to regional cable systems generally grouped as East Coast stations and West Coast stations. A multiple input/output video switch system is located at the video head of each cable system. This video switch system includes a local video signal generator and a video switch for each channel having local available commercial time slots. The video switch applies, at its output, either the programmed channel signal received by the cable system from a first telecommunications network, the commercial insert signal received from the second telecommunications network or the local video signal, all dependent upon switch commands sent from the control center via the second telecommunications network. A mechanism is provided for producing a frame blanking signal intermediate the application of the programmed channel signal, the commercial insert signal and the local video signal and for generating characters for each particular spot commercial.
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Rice et al., "Implementing a Commercial Insertion System", Mar. 21, 1988, 2 pages.
Perine Michael C.
Softley Eric J.
Beam Laser Systems, Inc.
Faris E. Anne
Groody James J.
Kain, Jr. Robert C.
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