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Optical demultiplexer

  • US 5,760,937 A
  • Filed: 01/16/1997
  • Issued: 06/02/1998
  • Est. Priority Date: 08/02/1994
  • Status: Expired due to Term
First Claim
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1. An optical demultiplexer comprising:

  • a clock regenerating circuit for regenerating a clock signal for each optical signal channel from an optical multiplexed signal;

    an optical switch for separating each optical signal channel from the optical multiplexed signal in accordance with the clock signal regenerated by the clock regenerating circuit;

    an identification information extraction circuit for extracting the identification information contained in the optical signal channel separated by the optical switch; and

    a control circuit for changing output destinations so that each optical signal channel is output on a designated destination in accordance with the identification information extracted by the identification information extraction circuit.

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