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Optical fiber data transmission system

  • US 4,182,935 A
  • Filed: 11/14/1977
  • Issued: 01/08/1980
  • Est. Priority Date: 12/07/1976
  • Status: Expired due to Term
First Claim
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1. An optical fiber data transmission system comprising:

  • a plurality of optical sensor devices capable of modulating an interrogatory signal;

    first means coupled to said devices for transmitting an optical interrogatory signal to all of said devices;

    an optical receiver;

    a first optical fiber optically coupled at one end to all of said devices and at the other end to said receiver; and

    a plurality of second means each coupled to a different one of said devices to discriminate between optical output signals, including said interrogatory signal modulated by sensor information, emitted from said devices in response to said interrogatory signal.

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