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Apparatus for private personal identification number management

  • US 7,167,843 B2
  • Filed: 06/05/2002
  • Issued: 01/23/2007
  • Est. Priority Date: 06/05/2002
  • Status: Active Grant
First Claim
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1. An apparatus for private personal identification number (PIN) management, the apparatus comprising:

  • means for ascertaining whether a delay period of a preceding PIN has expired wherein said delay period of said preceding PIN is a period of time that must expire before a current PIN can be received, and said delay period greater than zero upon said preceding PIN not matching a validated PIN;

    means for receiving said current PIN after at least expiration of said delay period;

    means for determining whether said current PIN matches said validated PIN; and

    means for changing said delay period to a new delay period longer than said delay period for said preceding PIN upon said current PIN not matching said validated PIN, and for transferring to said means for ascertaining, wherein said current PIN becomes said preceding PIN and said new delay period is said delay period of said preceding PIN upon said means for changing transferring to said means for ascertaining.

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