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Individual authentication device and cellular terminal apparatus

  • US 7,242,277 B2
  • Filed: 03/11/2003
  • Issued: 07/10/2007
  • Est. Priority Date: 03/15/2002
  • Status: Expired due to Term
First Claim
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1. A personal authentication device that is connected with a portable terminal apparatus, the personal authentication device comprising:

  • a fingerprint sensor; and

    a module that authenticates an operator identity by collating stored fingerprint collation data corresponding to a fingerprint of an operator finger with fingerprint data obtained by a fingerprint sensor when the operator presses the fingerprint sensor with the operator finger, and that authorizes a transaction and transmission of confidential transaction data necessary for receiving services to outside the portable terminal apparatus by the operator'"'"'s approval when the operator presses the fingerprint sensor with the operator finger,wherein, by a single act of pressing the fingerprint sensor by the operator finger, a switch activates the fingerprint sensor and supplies power to the fingerprint sensor, and the operator identity authentication, transaction authorization and transmission of confidential transaction data are implemented.

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