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Interactive digital data broadcasting system

  • US 20060023656A1
  • Filed: 07/29/2004
  • Published: 02/02/2006
  • Est. Priority Date: 07/29/2004
  • Status: Abandoned Application
First Claim
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1. A communications system comprising:

  • at least one base station in communication with at least one user terminal;

    means for transmitting a signal from said user terminal to said base station in a first predetermined bandwidth (frequency range); and

    means for transmitting a signal from said base station to said user terminal in a second predetermined bandwidth (frequency range).

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