Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate
2007-12-17
2010-06-15
Pyzocha, Michael (Department: 2437)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular communication authentication technique
C380S270000, C726S003000
Reexamination Certificate
active
07739503
ABSTRACT:
The invention provides a method for making mutual authentication between short-distance radio devices automatically or after confirmation by users, and a short-distance radio device for realizing the method. In a condition where a plurality of radio devices exist, each of the radio devices comprising a data communicating unit for performing short-distance radio communication and an authenticating unit for performing authentication of the radio device, the authenticating unit performs mutual authentication between two radio devices automatically or after confirmation by users of the radio devices when the two radio devices come closer to each other to such an extent that coverage areas of radio waves generated by the radio devices overlap with each other.
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Ikeda Hidekazu
Sato Masahiko
Finnegan, Henderson Farabow, Garrett and Dunner L.L.P.
Pyzocha Michael
Sony Corporation
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