초록 ▼

A broadcast system supplies multiplexed channels to a plurality of receiving systems. The broadcast system preferably comprises a wireless digital simulcasting network. Each multiplexed channel carries multiplexed digital information signals relating to a group of programs. At least one of the recei

A broadcast system supplies multiplexed channels to a plurality of receiving systems. The broadcast system preferably comprises a wireless digital simulcasting network. Each multiplexed channel carries multiplexed digital information signals relating to a group of programs. At least one of the receiving systems serves a plurality of living units. The multi-unit receiving system includes common equipment to perform as much of the processing of the digital information signals as is practical for the particular installation. The common equipment includes a digital receiver processing each multiplexed channel to capture a digital transport stream therefrom and a demultiplexer for separating out the digital information signals for each program from each digital transport stream. A switch routes selected information signals to individual drops or loops going to the living units. In one implementation, each digital information signal is modulated, and selected modulated signals are routed and transported over telephone wiring to terminals in the living units. The terminals demodulate and decode selected program signals for presentation on a television. In a second implementation, a decoder in the common equipment decodes each digital information signal, and the common equipment transmits an analog television channel carrying decoded signals for selected programs over coaxial cables to the living units. In this implementation, the added equipment required in a living unit includes only a remote control, an infrared receiver and a data device to transmit program request messages over coaxial cable to the common equipment.

대표청구항 ▼

[ We claim:] [1.] A communication system receiving a plurality of multiplexed digitized information signals relating to a plurality of programs, said communication system comprising:means for processing the multiplexed digitized information signals relating to the plurality of programs to derive sep

[ We claim:] [1.] A communication system receiving a plurality of multiplexed digitized information signals relating to a plurality of programs, said communication system comprising:means for processing the multiplexed digitized information signals relating to the plurality of programs to derive separate program signals, each program signal containing information relating to a single one of the plurality of programs;a plurality of lines, each line coupled to a broadband output device;a switch, coupled between the means for processing the multiplexed digitized information signals and the plurality of lines, for routing selected ones of the program signals; anda controller controlling the routing by the switch in response to program requests received via the plurality of lines.