Multiplex communications – Wide area network – Packet switching
Patent
1993-05-03
1995-04-11
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
4551584, 348734, H04J 300
Patent
active
054065585
ABSTRACT:
An apparatus and method is described for transmitting, receiving and communicating program data signals which are combined with digital data signals. Preferably, the present invention compresses 30 digital audio signals, multiplexes them with title, track, artist, record label, year, etc., program information, and transmits the combined signals via satellite to a receiving station. The receiving station demultiplexes the signals and sends them via a cable distribution system to a subscriber's digital music tuner. This tuner further demultiplexes and decodes the signals so that the digital audio signals may be converted to analog and output for listening, while the corresponding data signals are communicated to the subscriber. In an alternative preferred embodiment, the program data signals are transmitted to a remote control receiver where they are displayed. The system described in the present invention may be used for transmitting video, software or games with program data to subscribers.
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Rovira Luis A.
Wall, Jr. William E.
Hom Shick
Olms Douglas W.
Powers, III Frederick W.
Scientific-Atlanta, Inc.
Stewart Steven C.
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