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Digital optical signal transmission in a seismic sensor array

  • US 7,223,962 B2
  • Filed: 02/23/2004
  • Issued: 05/29/2007
  • Est. Priority Date: 02/23/2004
  • Status: Active Grant
First Claim
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1. An apparatus for transmitting a digital information a digital optical data signal in a seismic data acquisition system, the apparatus comprising:

  • a) a transducer that modulates an optical carrier to produce the digital optical data signal corresponding to a signal indicative of a sensed environmental condition; and

    b) an optical interrogator in optical communication with the transducer for retrieving the digital optical data signals.

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