Access control apparatus and access control method

Details Access control apparatus and access control method Access control apparatus and access control method

2004-05-06

2008-05-13

Ngo, Ricky Q. (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C709S223000

Reexamination Certificate

active

07372861

ABSTRACT:
An access control apparatus and method limits, to a finite time length, connection of a user terminal to a public network. The user terminal is disconnected from the public network when the use time of the logical address assigned to the user terminal reaches the time limit set for the logical address. The apparatus and method utilizes IDs issued to multiple users and IDs for multiple user terminals, and enables limiting connection to a public network from a user terminal that is connected by a leased circuit.

REFERENCES:
patent: 5812819 (1998-09-01), Rodwin et al.
patent: 6009103 (1999-12-01), Woundy
patent: 7016353 (2006-03-01), Proctor et al.
patent: 2003/0147421 (2003-08-01), Gutknecht et al.
patent: 2002-374280 (2002-12-01), None
patent: WO 99/33211 (1999-07-01), None

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