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Coupling sensor information to an optical cable using ultrasonic vibrations

  • US 20190331942A1
  • Filed: 06/27/2017
  • Published: 10/31/2019
  • Est. Priority Date: 07/13/2016
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • an electronic circuit, configured to receive data to be transmitted over an optical cable, and to convert the data into a modulating signal;

    an electro-acoustic transducer, configured to convert the modulating signal into an acoustic wave; and

    a coupler, which is mechanically coupled to a section of the optical cable, and is configured to apply to the section a longitudinal strain that varies responsively to the acoustic wave, so as to modulate the data onto an optical carrier traversing the optical cable.

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