| 摘要 |
PURPOSE: A mobile internet service system and an advertising method using the system are provided to enable a user to search wanted information easily and to enable a communication company to provide a service to users by using an integrated gateway unit connecting all networks of a plurality of a mobile communication companies. CONSTITUTION: A plurality of base station devices(410, 420, 430) receives and demodulates a signal transmitted from a wireless internet terminal device of a user. A plurality of wireless networks(411, 421, 431) converts the transmitted signal into a protocol signal for a wireless internet service. A plurality of gateway units(412, 422, 432) is connected to the wireless networks(411, 421, 431), respectively. An integrated gateway unit(440) connects the gateway units(412, 422, 432) as one unit. The internet(450) connects the integrated gateway unit(440) with another network(450). A web server(460) is connected to the internet(450) and provides web information. The elements of the integrated gateway unit(440) are described as follows. A plurality of wireless data transmitting/receiving units transmits/receives a signal between gateways of a mobile communication company. A web data transmitting/receiving unit is connected to the internet and transmits/receives a signal transmitted from a web server. A database stores user information and advertising information. A data converting unit is connected between the wireless data transmitting/receiving units and the web data transmitting/receiving unit and may convert a signal to be transmitted.
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