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:
Sep. 15, 2009
Filed:
Jan. 31, 2005
Mariko Okude, Tokyo, JP;
Shigeru Matsuo, Tokyo, JP;
Kimiyoshi Machii, Tokyo, JP;
Yoshitaka Atarashi, Tokyo, JP;
Mariko Okude, Tokyo, JP;
Shigeru Matsuo, Tokyo, JP;
Kimiyoshi Machii, Tokyo, JP;
Yoshitaka Atarashi, Tokyo, JP;
Xanavi Informatics Corporation, Zama-shi, JP;
Abstract
An automobile navigation apparatus, that has a rewritable recording medium and capability to updates the map data base by obtaining latest map data, records the map data in the recording means and comprises updating data acquisition means that acquires updated data of a map to which updating procedure is added, an information interpreting means that interprets the updating procedure information, and a map data updating means that searches over said map data base and updates said map data base on the basis of the results of such interpretation and manages the map data by using attributions that indicates additional information of the map elements which are composed into a table as the records thereof so that the row record of the table is classified by the attribution which indicates the additional information of the map element.