发明名称 DIGITAL CONTENT PROVIDING SYSTEM
摘要 A digital content providing system comprising a portable terminal being carried by a user in a train, a radio station provided in the train and performing bi-directional radio communication with the portable terminal, and a server provided in the train while pre-storing digital contents supplied from the outside and providing a digital content requested from a user's portable terminal to that portable terminal through the radio station.
申请公布号 WO03061157(A1) 申请公布日期 2003.07.24
申请号 WO2001JP11554 申请日期 2001.12.27
申请人 YOZAN INC.;KOUNO, YOUJI;TAKEMURA, KENICHI;KIYOMATSU, HISANORI 发明人 KOUNO, YOUJI;TAKEMURA, KENICHI;KIYOMATSU, HISANORI
分类号 G06Q30/00;(IPC1-7):H04B7/26;G06F17/60 主分类号 G06Q30/00
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