发明名称 Broadcasting type information providing system and travel environment information collecting device
摘要 In a broadcasting type information providing system, a moving body 10 includes a bidirectional communication unit 13 which performs communication with an information providing center 21, an information processing unit 11 which communicates request information necessary for a user via the bidirectional communication unit 13 to the information providing center 21 as well as presents answer information with respect to the request information to the user and a broadcast receiving unit 14 which receives the answer information broadcasted from a broadcasting station 22, and the information providing center 21 generates the answer information with respect to the request information being transmitted from the moving body 10 as well as selects a broadcasting station 22 of which service area covers the position of the moving body 10 depending on the position of the moving body 10 detected either at the side of the moving body 10 or at the side of the information providing center 21 and causes the selected broadcasting station 21 to broadcast the answer information, thereby when transferring information from the information providing center 21 to the moving body 10, an optimum communication means and broadcasting station can be selected.
申请公布号 US6359571(B1) 申请公布日期 2002.03.19
申请号 US19990417483 申请日期 1999.10.13
申请人 HITACHI, LTD.;XANAVI INFORMATICS CORP. 发明人 ENDO YOSHINORI;NAKAMURA KOZO;FUJIWARA TOSHIO;KURATA KE'NICHIROU;HIROSHIGE HIDEO;KURODA HIROSHI;HONDO ICHIRO;MARIKO OKUDE
分类号 H04B7/02;G08G1/09;G08G1/0967;(IPC1-7):G08B1/123 主分类号 H04B7/02
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