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:
Aug. 17, 1993
Filed:
Oct. 29, 1991
Applicant:
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G08G / ;
U.S. Cl.
CPC ...
340995 ; 340990 ; 364443 ;
Abstract
In a map retrieving system, in which map data are stored and when a local area is specified through an input device, one of a plurality of sectional maps constituting a map for a relevant local area is displayed by accessing a data base thus obtained, sectional maps, which were referred to in the past, are displayed with a priority, based on a past reference situation with respect to each of the sectional maps for the local area.