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:
Dec. 09, 2003
Filed:
Nov. 06, 2000
Applicant:
Inventors:
Assignee:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 2/130 ;
U.S. Cl.
CPC ...
G01C 2/130 ;
Abstract
A route search location determining section ( ) of a mobile body ( ) decides whether to conduct a route search at the mobile body ( ) or to request the route search to an information center ( ) based on various conditions such as priorities and how old the map data version is. In this manner, effective search can be conducted using two distinct route searching devices. Also, a current position calculating section ( ) can execute map matching by adding route data obtained from the information center ( ) as a map matching candidate.