Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Central trusted authority provides computer authentication
Reexamination Certificate
2004-03-31
2009-06-02
Chen, Shin-Hon (Department: 2431)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Central trusted authority provides computer authentication
C713S157000, C713S158000, C713S155000, C713S168000, C713S171000, C713S173000, C713S175000, C726S004000, C726S027000
Reexamination Certificate
active
07543141
ABSTRACT:
A method and apparatus for user authentication using infrared communication of a mobile terminal is disclosed. The user authentication system, which is for identifying a user who requests service from an automated machine, comprises a mobile terminal for transmitting electronic signature data for the user in the form of an infrared signal, automated information providing means for providing the requested service after verifying the validity of the electronic signature data, and certificate providing means for registering an authorization certificate in response to a request from the mobile terminal and transmitting the certificate to the automated information providing means for verifying the user authentication.
REFERENCES:
patent: 7130454 (2006-10-01), Berube et al.
patent: 2003/0120925 (2003-06-01), Rose et al.
patent: 2003/0236991 (2003-12-01), Letsinger
patent: 2004/0124966 (2004-07-01), Forrest
Jeon Jae Sic
Jung Eun Su
Chen Shin-Hon
Lowe Hauptman & Ham & Berner, LLP
SK Telecom Co. Ltd.
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