发明名称 |
Road status data providing system |
摘要 |
A road status data providing system includes a server for transmitting/receiving data via a communication line and a plurality of vehicle terminals. The server includes a transmitting/receiving unit for transmitting/receiving data to and from the plurality of vehicle terminals, a vehicle trend management database for managing vehicle trends of the plurality of vehicle terminals, and a totaling unit for totaling status data indicative of a status of vehicles at a prescribed point on the basis of the vehicle trend management database. Each of the vehicle terminals includes a transmitting/receiving unit for transmitting/receiving data to and from the server, a present position determining unit for determining the present position of the vehicle, and a creating unit for creating status data requesting information for acquiring the status data at the prescribed point. <IMAGE>
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申请公布号 |
EP1308917(A1) |
申请公布日期 |
2003.05.07 |
申请号 |
EP20020257458 |
申请日期 |
2002.10.28 |
申请人 |
PIONEER CORPORATION |
发明人 |
WATANABE, TOMO;ODA, TAMAMI;SATO, TSUYOSHI;SAITO, YUKITAKA |
分类号 |
G01C21/00;G08G1/01;G08G1/09;G08G1/0968;G08G1/0969;(IPC1-7):G08G1/01 |
主分类号 |
G01C21/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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