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. 27, 1994
Filed:
May. 05, 1993
Applicant:
Inventors:
Masami Shibazaki, Saitama, JP;
Tatsuhiko Abe, Saitama, JP;
Assignee:
Zexel Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364449 ; 364444 ; 340990 ; 340995 ;
Abstract
In a navigation system for use in a vehicle, an administrative district and a first and a second roads are inputted by an input device. In the inputted administrative districts, an intersection formed by the inputted first and second roads is determined. The determined intersection is provided as at least one of a starting point intersection and a destination intersection. An optimum route from the starting point intersection to the destination intersection is computed.