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. 02, 2014
Filed:
Oct. 20, 2009
Osamu Kanematsu, Nagoya, JP;
Takeshi Shikimachi, Kariya, JP;
Osamu Kanematsu, Nagoya, JP;
Takeshi Shikimachi, Kariya, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
When a navigation apparatus generates, in the course of learning a new road, shape points information of the new road as well as new road information and connecting road information which respectively specify a road name, road attributes and other features of the new road and connecting roads, the generated information regarding the new road is examined if a corresponding road that corresponds to the new road is registered in case that a map database used by the navigation apparatus is updated. If the corresponding road is found in the updated map database, the generated information of the new road such as the shape points information is deleted, thereby securely invalidating the generated information that became unnecessary due to the update of the map database.