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Apparatus for communicating diversity signals over a transmission medium

  • US 6,268,946 B1
  • Filed: 07/01/1998
  • Issued: 07/31/2001
  • Est. Priority Date: 07/01/1998
  • Status: Expired due to Term
First Claim
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1. An apparatus for simultaneously communicating over a single transmission medium two simultaneously arriving signals of substantially a same center frequency using a local oscillator signal provided by an oscillator, comprising:

  • a) packaging means, responsive to the two arriving signals, for shifting in frequency one of the two arriving signals based on the local oscillator signal, for providing as a combined signal to the transmission medium the shifted arriving signal, the other arriving signal, and the local oscillator signal; and

    b) un-packaging means, responsive to the combined signal, for extracting in turn the local oscillator signal, the shifted arriving signal, and the other arriving signal, and for shifting back to the center frequency the shifted arriving signal based on the extracted oscillator signal to produce an un-shifted arriving signal, for providing the other arriving signal and the un-shifted arriving signal.

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