Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2006-05-23
2010-06-08
Nguyen, Steven H (Department: 2473)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S395200, C718S105000
Reexamination Certificate
active
07733852
ABSTRACT:
Telecommunications switching systems that require real-time computer control can be controlled using remotely located computers coupled to the switching systems via data links. By coupling several switching systems to one or more centrally located control computers, maintenance staffing can be reduced while increasing overall system reliability by providing back up control computers in multiple centralized locations. Centrally located control computers can be backed up with redundant computers at the central control site.
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Information Network Handbook, edited by the Institute of Electronics, Information and Communication Engineers, Ohmsha, Ltd., Oct. 1, 1992, pp. 62-64.
Bruno Richard J.
De Trana Nicholas D.
DeCaluwe Craig L.
Eslambolchi Hossein
Gallagher James J.
AT&T Intellectual Property II L.P.
Nguyen Steven H
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