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Bidirectional optical communication system

  • US 4,704,741 A
  • Filed: 11/12/1986
  • Issued: 11/03/1987
  • Est. Priority Date: 11/13/1985
  • Status: Expired due to Term
First Claim
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1. A bidirectional optical communication system comprising,means for producing local oscillator light,means for producing a demodulated signal in accordance with the combination of signal light received from an optical fiber line and said local oscillator light,means for producing a transmitting signal light, andan optical combiner for performing said combination and for feeding said transmitting signal light into said optical fiber line.

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