Title:
NETWORK SYSTEM AND INFORMATION EXCHANGE METHOD
Document Type and Number:
Japanese Patent JP3799263
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a network system by which minimally required information such as a menu screen is received without paying transmission charge, information is outputted by various output means even when information is exchanged with a radio terminal unit such as a portable telephone and the amount of information to be outputted is not limited and also to provide its information exchange method.
SOLUTION: The network system is provided with a local server 12a and a central server 14. The local server 12a which exchanges information with an unspecified number of radio units 10 which optionally comes into or goes out of a self service area A and also which exchanges information with the radio terminal unit 10 to which an exchange channel is assigned by adaptively assigning the exchange channel to the radio terminal unit 10 when the terminal unit 10 exists in the self service area A. The central server 14 transmits information to be distributed to the self service area A to the local server 12a.
Inventors:
Takashi HORIBA
Abe, etc.
Akio Obuchi
Hiroshi Yamamoto
Shinichi Fujita
Kubo Takumi
Abe, etc.
Akio Obuchi
Hiroshi Yamamoto
Shinichi Fujita
Kubo Takumi
Application Number:
JP2001335300A
Publication Date:
July 19, 2006
Filing Date:
October 31, 2001
Export Citation:
Assignee:
East Japan Railway Company
Vodafone KK
Telefon Akti Bora Get Elm Ericson (Pubble)
Vodafone KK
Telefon Akti Bora Get Elm Ericson (Pubble)
International Classes:
H04L12/28; H04L12/70; H04W4/04; H04W4/24; H04W12/08; H04W24/02; H04W76/06; H04W84/10; H04W88/18; (IPC1-7): H04L12/56; H04L12/28; H04Q7/36; H04Q7/38
Domestic Patent References:
| JP2001285332A | ||||
| JP10243015A | ||||
| JP8172405A | ||||
| JP9307666A |
Attorney, Agent or Firm:
Toshio Umeda
Kazuya Chikatsu
Kazuya Chikatsu