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. 20, 2006
Filed:
Dec. 18, 2003
Applicants:
Takanori Shimizu, Okazaki, JP;
Noboru Ishibashi, Okazaki, JP;
Kunihiro Yamada, Okazaki, JP;
Inventors:
Assignee:
Aisin AW Co., Ltd., Anjo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A navigation system that searches for a route to a destination based on stored map data and provides navigation guidance to the destination along the route includes a controller that acquires road congestion information associated with the route, searches for the route to the destination based on a calculated search cost and changes a search cost based on predicted secondary congestion that is predicted based on acquired road congestion information, wherein a recommendable route that can avoid congestion is searched based on the search cost that has been changed based on the predicted secondary congestion.