Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2007-01-16
2007-01-16
Appiah, Charles (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S456100, C701S019000
Reexamination Certificate
active
10045675
ABSTRACT:
The presence area information of the moving portable communication terminals accompanied by a moving object is changed according to the scheduled path of the moving object and the scheduled time in the movement of the moving object by using a presence area unit which stores the presence area information indicating the presence area of each portable communication terminal and a moving schedule storage unit which stores the scheduled path information indicating the scheduled path of the moving object (a train, etc.) accompanied by at least one portable communication terminal and the scheduled time information indicating the scheduled time of the movement of the moving object.
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Appiah Charles
Brinks Hofer Gilson & Lione
Ly Nghi H.
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