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:
Nov. 18, 1997
Filed:
Mar. 08, 1995
Applicant:
Inventor:
Yasuhiro Sawada, Wako, JP;
Assignee:
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
3644442 ; 3644493 ; 340995 ; 7317 / ;
Abstract
A vehicle navigation system. A road map is displayed on a screen. The present position of the vehicle is displayed on the road map displayed on the screen. A guide route connecting a start point of the vehicle and a destination of the vehicle which are set in advance is determined, and indicated on the road map. A return route for returning the vehicle to the guide route is selected in response to a deviation of the vehicle from the guide route. A cost required for the vehicle to return to the guide route via the return route is calculated, and the vehicle is prevented from entering the return route depending on the cost calculated.