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Cellular telephone as an authenticated transaction controller

  • US 5,608,778 A
  • Filed: 09/22/1994
  • Issued: 03/04/1997
  • Est. Priority Date: 09/22/1994
  • Status: Expired due to Term
First Claim
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1. A method carried out by a first party, comprising the steps of:

  • receiving signals emitted by a communication device held by a second party, which signals identify the communication device;

    based on said signals, authenticating the identity of the communication device; and

    communicating a response signal to a third party to induce said third party to perform an action to benefit said second party, other than an action associated with the establishment of communication between the second party and another party.

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