Coinless vending system, method, and computer readable medium using an audio code collector and validator
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United States of America Patent
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May 25, 2010
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N/A
app pub date -
Sep 21, 2005
filing date -
Sep 21, 2005
priority date (Note) -
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Abstract
A system, method, and computer readable medium, wherein a vending machine comprising an audio code collector and a code validator is adapted to receive audio tones from a mobile device, and wherein the audio tones include authentication codes and dispense codes to control dispensing of product from the vending machine.
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