The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 24, 2011
Filed:
Jun. 21, 2006
Shigeru Imura, Tokyo, JP;
Shigeru Imura, Tokyo, JP;
Sony Ericsson Mobile Communications Japan, Inc., Tokyo, JP;
Abstract
A mobile terminal device includes biometric information detecting means for detecting biometric information; encryption key generating means for generating an encryption key on the basis of the biometric information in registration; encrypting means for encrypting a predetermined personal identification number with the encryption key to generate a biometric encrypted personal identification number in the registration; encrypted personal-identification-number storing means for storing the biometric encrypted personal identification number in the registration; decryption key generating means for generating a decryption key on the basis of the detected biometric information in verification; decrypting means for decrypting the biometric encrypted personal identification number with the decryption key to reproduce the personal identification number in the verification; and personal identification number verifying means for comparing the reproduced personal identification number with the stored biometric encrypted personal identification number to perform the personal-identification-number verification.