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:
Jan. 25, 2011
Filed:
Nov. 14, 2005
Makoto Mikuriya, Tokyo, JP;
Masaharu Umezu, Tokyo, JP;
Tomoya Ikeuchi, Tokyo, JP;
Mitsuo Shimotani, Tokyo, JP;
Makoto Mikuriya, Tokyo, JP;
Masaharu Umezu, Tokyo, JP;
Tomoya Ikeuchi, Tokyo, JP;
Mitsuo Shimotani, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
In a map information processing apparatus including a processorfor updating map information containing map data stored in a map information storage device, road network data contained in the map data stored in the map information storage device has a data structure in which the road network data is composed of link strings each of which represents a series of roads in a road network as a series of links connecting nodes, the road network being represented by the nodes and the links; each of the link strings is represented by a link string record in which link records defining the links are arranged in order of the series of the links; each link constituting the link strings is provided with an invariable link identifier proper to each link; and node indication information for designating each node included in the link strings is represented by the link identifier of the link having the node as its one end.