Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2005-09-06
2010-02-02
Eng, George (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S456100, C455S404200, C455S414200, C455S456200
Reexamination Certificate
active
07657269
ABSTRACT:
A location services controller (104) for locating multimode communication devices (MCDs) (102) has a communication element (302) for communicating with two or more communication networks (106) and MCDs coupled thereto, a memory (304), and a processor (306) for controlling operations thereof. The processor is programmed to request (402) location information of an MCD from at least two sources selected among a group that can include the MCD and one or more communication networks coupled to the MCD, and determine (426) from the sources of location information the location of the MCD.
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Doradla Anil
Ghosh Arunabha
Grannan Michael
Muhamed Rias
Suryanarayana Lalitha
Akerman & Senterfitt
AT&T Intellectual Property I L.P.
Cho Un C
Eng George
Guntin Ed
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