×

Audio-equipped transaction card systems and approaches

  • US 20050177484A1
  • Filed: 01/14/2005
  • Published: 08/11/2005
  • Est. Priority Date: 01/16/2004
  • Status: Active Grant
First Claim
Patent Images

1. A method for conducting a business transaction involving personal transaction cards, the method comprising:

  • storing audio information with a transaction card;

    in connection with a particular transaction, communicating the audio information from the transaction card; and

    authorizing the transaction as a function of the communicated audio information.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×