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:
Feb. 14, 2012
Filed:
Jul. 29, 2004
Kenji Kameda, Tokyo, JP;
Natsuo Koda, Kanagawa, JP;
Junpei Ito, Tokyo, JP;
Hisanori Nagata, Tokyo, JP;
Kenji Kameda, Tokyo, JP;
Natsuo Koda, Kanagawa, JP;
Junpei Ito, Tokyo, JP;
Hisanori Nagata, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
Map display systems, map data processing apparatuses, map display apparatuses, and map display methods for general navigation systems are provided. A map data processing section categorizes original three-dimensional map data into scene graph data representing a data structure of a three-dimensional map using a tree structure and rendering data for rendering an object included in the three-dimensional map and processes the scene graph data and the rendering data. A map data display section specifies a display area by referring to the scene graph data and reads and displays the rendering data in accordance with the specified display area.