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. 13, 2012
Filed:
Oct. 05, 2005
Applicants:
Hidekazu Arita, Tokyo, JP;
Masahito Hata, Tokyo, JP;
Shigeru Tateishi, Tokyo, JP;
Inventors:
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An update map data acquiring meansfor acquiring update map data is disposed in a navigation system. Even when a navigation function is being used by a control meanswhich controls the functions of the whole navigation system using yet-to-be-updated map data stored in a map data storing means, the control means updates the map data by writing the update map data from the update map data acquiring meansin a free space on the map data storing means