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Coinless vending system, method, and computer readable medium using an audio code collector and validator

  • US 7,721,958 B2
  • Filed: 09/21/2005
  • Issued: 05/25/2010
  • Est. Priority Date: 09/21/2005
  • Status: Expired due to Fees
First Claim
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1. A system for operation of a vending machine, comprising:

  • a vending machine comprising;

    an audio code collector and a code validator (ACCV) adapted to receive one or more audio tones from a mobile communication device, wherein the audio tones include one of a public key and a dispense code embedded in the audio tones, wherein the ACCV,generates a random session key based on the public key to establish a secure communication between the ACCV and a media server utilizing the random session key, andvalidates the dispense code to dispense the purchased product from the vending machine.

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