Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1989-12-18
1990-12-04
Shepperd, John W.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358 86, 358142, 358181, 370109, 370118, 455 3, 455 69, 455 88, H04N 708
Patent
active
049757717
ABSTRACT:
A video broadcasting method and apparatus. The broadcasting method generally includes the steps of selecting one or more channels from a plurality of available channels, and scanning the selected channels for generating signals identifying these selected channels. The channel identifying signals are then fed back to a transmitter unit over a first carrier frequency. The feedback signals are used to selectively identify the channels to be transmitted. The signals from the selected channels are compressed, multiplexed and transmitted over a second carrier frequency to a reception unit, where the signals are demultiplexed and separated into separate channels, and stored for a predetermined period of time. The separated signals are then decompressed, reconstructed and displayed on a real-time basis.
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Journal on Selected Areas in Communications, IEEE, vol. SAC-5, No. 4, May 1987 (New York, U.S.A.).
Y.-S. Kao et al., "Time-Multiplexed Analog Transmission of Three Broadcast-Quality Television Channels Through One Satellite Transponder"-pp. 676-684.
Kassatly S. A.
Parker Michael D.
Shepperd John W.
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