Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2011-05-31
2011-05-31
Cumming, William D (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
Reexamination Certificate
active
07953408
ABSTRACT:
A sender of a message can transmit a message to an unspecified user merely by specifying a condition of space without specifying a recipient of the message, using an information processing terminal transmitting a message not with a user address to specify a user but with an area address (a condition of space) to specify an area within an electric wave reachable range of a radio base station; and a server converting the area address to a user address which specifies a PHS terminal currently located in the area represented by said area address and transmitting the message with a converted address to a switching equipment.
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Ebata Tomoichi
Hanashima Katsumi
Kobayashi Emiko
Koizumi Minoru
Brundidge & Stanger, P.C.
Cumming William D
Hitachi , Ltd.
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