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Secured radio communications method

  • US 7,526,090 B2
  • Filed: 01/09/2002
  • Issued: 04/28/2009
  • Est. Priority Date: 01/09/2002
  • Status: Active Grant
First Claim
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1. A method for securing radio transmissions utilizing a conventional radio, said method comprising the steps of:

  • providing a conventional radio, said conventional radio being incapable of encrypting or decrypting signals, said radio including a conventional microphone port that is configured to be coupled to a conventional microphone and a conventional speaker port that is configured to be coupled to a conventional speaker, said radio remaining unmodified;

    providing a computer system coupled between a microphone and said radio, wherein inputs into said radio are received first by said computer system, said computer system being separate and apart from said radio;

    receiving, within said computer system, an input analog signal from said microphone;

    encrypting, within said computer system, said input analog signal utilizing public key encryption to form an encrypted voice file;

    passing said encrypted voice file from said computer system to said microphone port that is included within said unmodified radio; and

    transmitting said encrypted voice file utilizing said unmodified radio, wherein radio transmissions from said radio are secured.

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