The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 26, 2008
Filed:
Dec. 18, 2003
Keisuke Ohnishi, Tokyo, JP;
Shin Kikuchi, Tokyo, JP;
Yusuke Suzuki, Tokyo, JP;
Navitime Japan Co., Ltd., Tokyo, JP;
Abstract
A road information provision system or route search system has a terminal device such as a car navigation device, portable telephone, or PCwhich specifies routes and issues requests for road information; a VICS centerwhich provides congestion information; a road information provision/route search serverwhich, in response to requests from terminal devicesto, generates road information based on congestion information from the VICS center, and provides the road information to the terminal devicesto; a dedicated circuit networkwhich connects the road information provision serverand VICS centerby dedicated circuits; a networkwhich connects the terminal devicestoand road information provision/route search serverto enable communication; and a GPSwhich provides position information. The system can determine shortest-route information of distance or time and congestion information.