Telecommunications – Interference signal transmission
Patent
1998-01-20
2000-10-17
Miller, John W.
Telecommunications
Interference signal transmission
348 8, 348 10, H04H 102, H04N 710
Patent
active
061344192
ABSTRACT:
A system for redistributing a broadband audio-visual-data signal to a multiplicity of receiver units within a multiple dwelling unit (MDU) includes a main receiving antenna that receives a broadband video/audio/data signal having a number of individual program multiplex signals therein and a transmodulator device that transmodulates the individual program multiplex signals associated with the broadband signal from a first modulation scheme to a second modulation scheme to reduce the bandwidth of the broadband signal. The transmodulated signals are broadcast over a cable network, along with terrestrial signals, to individual receiver units at the MDU. The receiver units demodulate the transmodulated and/or terrestrial signals and provide user-specified channels to television sets for display. A dual mode receiver is compatible with the MDU system and with a known digital satellite system commonly used in single family housing (SFH). An adapter enables a standard SFH receiver used in a digital satellite system to be compatible with the MDU system.
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Crook John A.
Hughes Electronics Corporation
Miller John W.
Sales Michael W.
LandOfFree
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