Title:
道路状況データ提供システム
Document Type and Number:
Japanese Patent JP4475851
Kind Code:
B2
Abstract:
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.
Inventors:
Tomoo Watanabe
Tamami Oda
Koji Sato
Yukitaka Saito
Tamami Oda
Koji Sato
Yukitaka Saito
Application Number:
JP2001333230A
Publication Date:
June 09, 2010
Filing Date:
October 30, 2001
Export Citation:
Assignee:
Pioneer Corporation
International Classes:
G01C21/00; G08G1/01; G08G1/09; G08G1/0968; G08G1/0969
Domestic Patent References:
| JP2001167386A | ||||
| JP7306867A | ||||
| JP2001148094A | ||||
| JP9134496A | ||||
| JP998512A |
Attorney, Agent or Firm:
Teruo Naito