Telecommunications – Radiotelephone system – Emergency or alarm communication
Reexamination Certificate
2005-06-14
2005-06-14
Trost, William (Department: 2683)
Telecommunications
Radiotelephone system
Emergency or alarm communication
C455S423000, C455S424000, C455S453000
Reexamination Certificate
active
06907237
ABSTRACT:
A communication system that provides communication services to a plurality of communication devices over one or more wireless channels. The communication system includes a main system component that normally serves all of the plurality of the communication devices. However, when the main system component goes out of service, a backup system component only serves some of the communication devices. As such, backup service is provided in accordance with the service priority as subscribed by the communication devices.
REFERENCES:
patent: 5742904 (1998-04-01), Pinder et al.
patent: 6192232 (2001-02-01), Iseyama
patent: 6374099 (2002-04-01), Bi et al.
patent: 6408182 (2002-06-01), Davidson et al.
Dorenbosch Jheroen P.
Lobo Lynette J.
D'Agosta Stephen M.
Motorola Inc.
Trost William
Watanabe Hisashi D.
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