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Anti-Interrogation For Portable Device

  • US 20080256642A1
  • Filed: 04/16/2007
  • Published: 10/16/2008
  • Est. Priority Date: 04/16/2007
  • Status: Active Grant
First Claim
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1. A portable consumer device comprising:

  • a memory for storing information;

    a near field transmitting antenna coupled to the memory; and

    a contact region coupled to the near field transmitting antenna, wherein the portable consumer device is capable of transmitting the stored information to an interrogation device using the near field transmitting antenna when a finger is on the contact region, but is not capable of transmitting the stored information to the interrogation device using the near field transmitting antenna when the finger is not on the contact region, wherein the contact region comprises an open portion of a circuit.

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