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MODULATED ECHO UNDERWATER COMMUNICATIONS AND ENERGY HARVESTING

  • US 20150138920A1
  • Filed: 11/20/2013
  • Published: 05/21/2015
  • Est. Priority Date: 11/20/2013
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a gateway node including an actuator configured to produce a continuous acoustic wave for propagation through a fluid, and a sensor configured to detect an echo thereof; and

    a terminal node configured to control a piezoelectric layer to switchably reflect or transmit the acoustic wave incident thereon to produce and modulate the echo with a data stream to thereby convey the data stream within the echo, the sensor of the gateway node being configured to detect the echo modulated by the terminal node.

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