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Method and apparatus for secure data entry using multiple function keys

  • US 20040100362A1
  • Filed: 11/27/2002
  • Published: 05/27/2004
  • Est. Priority Date: 11/27/2002
  • Status: Abandoned Application
First Claim
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1. A method for data entry using a multipurpose input device having a sensor comprising:

  • sensing a biometric characteristic of an object;

    generating an expression by associating the biometric characteristic with enrollment data, the expression identifying at least a portion of a specific finger unique to a individual user of the multipurpose input device;

    determining positional information corresponding to a source location of the biometric characteristic; and

    generating a token representing a desired data entry based on the expression and the positional information.

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