Radio network system using multiple authentication servers...

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Central trusted authority provides computer authentication

Reexamination Certificate

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Details

C455S433000, C455S435100, C713S153000, C726S006000

Reexamination Certificate

active

07136997

ABSTRACT:
A network of radio devices is managed by carrying out a radio device registration at a registering authentication server when it is possible to communicate with all the authentication servers, distributing registration information to the authentication servers, managing the registration information at each one of the authentication servers, carrying out a radio device deletion at a deleting authentication server, distributing deletion information to the authentication servers, and deleting the radio device from the registration information according to the deletion information at each one of the authentication servers.

REFERENCES:
patent: 5509118 (1996-04-01), Tuulos et al.
patent: 6681111 (2004-01-01), Ahn et al.
patent: 2001-148886 (2001-05-01), None
patent: WO 99/35867 (1999-07-01), None
Pending U.S. Appl. No. 10/253,644, filed Sep. 25, 2002.
Pending U.S. Appl. No. 10/242,636, filed Sep. 13, 2002.

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