发明名称 PERSONAL HANDY PHONE SYSTEM TERMINAL PROVIDED WITH POSITION INFORMATION CONFIRMATION FUNCTION, AND PERSONAL HANDY PHONE SYSTEM
摘要 PROBLEM TO BE SOLVED: To obtain a personal handy phone system terminal by which the position of an opposite PHS terminal, the distance between a present PHS terminal and the opposite PHS terminal and a parting/approaching state of the opposite PHS terminal can be confirmed by using the present PHS terminal and to obtain a personal handy phone system(PHS) terminal used for the system. SOLUTION: This system has a plurality of PHS terminals and a position information service center. Each PHS terminal has an inquiry information transmission means that uses a telephone number of a second PHS terminal to allow a first PHS terminal to acquire position information of the second PHS terminal. The position information service center has a position information database having position information of each of PHS terminals and a terminal notice means that informs the first PHS terminal of the position information of the second PHS terminal.
申请公布号 JP2000209640(A) 申请公布日期 2000.07.28
申请号 JP19990006495 申请日期 1999.01.13
申请人 NIPPON TELEGRAPH & TELEPHONE EAST CORP;NIPPON TELEGRAPH & TELEPHONE WEST CORP 发明人 MIYATA MASASHI;KISHI KATSUHIRO;YAMAGUCHI TAKAHIKO;UNNO KAZUHISA;ANDO ETSUO;KUWANO TETSUO;SHIMIZU TOSHINOBU
分类号 G06F13/00;H04W4/02;H04W88/02;(IPC1-7):H04Q7/34 主分类号 G06F13/00
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