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Information delivery system and method

  • US 6,574,338 B1
  • Filed: 08/02/1999
  • Issued: 06/03/2003
  • Est. Priority Date: 11/15/1996
  • Status: Expired due to Fees
First Claim
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1. A system for transmitting and receiving broadcast programs, comprising:

  • at least one terrestrial broadcast station for transmitting a plurality of different low-bandwidth broadcast programs and at least one high-bandwidth broadcast program;

    at least one satellite for receiving and retransmitting said low-bandwidth broadcast programs and said at least one high-bandwidth broadcast program, said retransmission occurring on at least one downlink signal in which different ones of said low-bandwidth broadcast programs are transmitted on different time-division multiplex (TDM) channels at the same carrier frequency of less than about 3000 MHz; and

    a broadcast receiver for receiving and reproducing said retransmitted low-bandwidth broadcast programs and said at least one retransmitted high-bandwidth broadcast program, said broadcast receiver including at least one demodulator for demodulating said downlink signal and a demultiplexer coupled to said demodulator for demultiplexing said TDM channels to reproduce said plurality of low-bandwidth broadcast programs;

    wherein said at least one downlink signal comprises a spot beam.

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