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Wireless interactive transaction system

  • US 20030069006A1
  • Filed: 10/04/2001
  • Published: 04/10/2003
  • Est. Priority Date: 10/04/2001
  • Status: Active Grant
First Claim
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1. A method for performing a wireless interactive transaction using a wireless telephone handset comprising the steps of:

  • forming a digitally coded query signal;

    converting said digitally coded query signal into an audio-band modulated query signal;

    transmitting said audio-band modulated query signal;

    receiving said audio-band modulated query signal;

    conveying said audio-band modulated query signal to said wireless telephone handset;

    processing said audio-band modulated query signal to decode instructions coded when forming said digitally coded query signal; and

    controlling said wireless telephone handset to respond to said decoded instructions.

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