发明名称 RADIO INFORMATION DISTRIBUTION SYSTEM
摘要 PROBLEM TO BE SOLVED: To actualize an information distribution system which can easily obtain and hold information that a user requires. SOLUTION: A portable information terminal 11 sends inputted acquisition request information 91, and an information distributing device 21 and an information distributing server 30 retrieve specific information corresponding to the request information sent from the portable information terminal and send it to the portable information terminal.
申请公布号 JP2002024222(A) 申请公布日期 2002.01.25
申请号 JP20000202434 申请日期 2000.07.04
申请人 HITACHI LTD 发明人 IWASAKI YOSHIO;ISHIHARA TAKESHI
分类号 G06F17/30;H04L12/54;H04L12/58;H04W4/02;H04W28/00;H04W84/10 主分类号 G06F17/30
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