Title:
NAVIGATION SYSTEM, NAVIGATION DEVICE, AND DATA DELIVERY SERVER
Document Type and Number:
WIPO Patent Application WO/2014/167822
Kind Code:
A1
Abstract:
A navigation system comprises a navigation device (11) on a moving body and a data delivery server (41). The server has a means (52) for generating first guide map data including main points ahead of a branching point, direct branching roads between the branching point and main points, and simple congestion information; a means (53) for generating second guide map data including detailed congestion information, the branching point, the main points, points other than the main points, the direct branching roads, and a plurality of roads connecting the direct branching roads, main points, and points other than the main points; and a means (54) for delivering the first and second guide map data to the navigation device. The navigation device has a guide map display means (34) that displays a first guide map when a first guide point is reached and displays a second guide map when a second guide point is reached.
Inventors:
SHIMIZU KOUJI (JP)
Application Number:
PCT/JP2014/001977
Publication Date:
October 16, 2014
Filing Date:
April 07, 2014
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
G01C21/26; G08G1/0969; G09B29/00; G09B29/10
Foreign References:
| JP2004286454A | 2004-10-14 | |||
| JPH0546086A | 1993-02-26 | |||
| JPH09329457A | 1997-12-22 | |||
| JP2004234649A | 2004-08-19 |
Attorney, Agent or Firm:
KIN, Junhi (JP)
Gold Junki (JP)
Gold Junki (JP)
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