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:
Jun. 15, 1999
Filed:
Jul. 10, 1996
Katsuhiko Mutsuga, Anjo, JP;
Shinichi Kato, Anjo, JP;
Aisin AW Co., Ltd., , JP;
Abstract
The vehicle navigation system suggests route to a destination and repeats searching for a new optimal route in response to changes in traffic conditions near the present position of the vehicle. The system includes a present position calculator 4A for calculating the present position of the vehicle, an information storage unit 3 for storing road data 3B for searching, a traffic information receiver 4F for acquiring traffic information 5, a route searcher 4B for searching for the optimal route from the present position to the destination based on a navigation program 3A, the road data, and the acquired traffic information, and an area setter 4C for setting a given range near the present position of the vehicle, whereby the route searcher selects and acquires traffic information corresponding to the road data within the set area, and searches for the optimal route by first changing road data based on the acquired traffic information.