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Solar array remote acoustic sensing (SARAS)

  • US 10,078,328 B1
  • Filed: 08/06/2016
  • Issued: 09/18/2018
  • Est. Priority Date: 08/19/2014
  • Status: Active Grant
First Claim
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1. A method for using at least one solar array to receive audio-frequency modulated data, comprising:

  • using said at least one solar array to receive at least one optical signal and to convert said at least one optical signal into at least one electrical signal, said at least one optical signal including said audio-frequency modulated data;

    extracting via an extraction circuit said audio-frequency modulated data from said at least one electrical signal, an input of said extraction circuit being connected to an output of said at least one solar array to receive said at least one electrical signal;

    using a power circuit connected via at least one isolator to said output of said at least one solar array to power said extraction circuit, said power circuit comprising an energy storage device, wherein said at least one solar array is used to charge said energy storage device, said energy storage device being used to power said extraction circuit when said power provided by said at least one solar array is insufficient to power said extraction circuit; and

    outputting said extracted data, said extracted data being used, at least indirectly, to perform at least one action;

    wherein said at least one isolator prevents any substantial flow of current from said power circuit to said output of said at least one solar array.

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