Title:
ROUTE SEARCHING DEVICE, ROUTE SEARCHING METHOD, ROUTE SEARCHING PROGRAM AND RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2008/044281
Kind Code:
A1
Abstract:
A route searching device is composed as a terminal device for a PC or the like which
carries out route searching by making use of a navigation device and map data.
Route calculation data used for the search of a route include candidate link
data indicative of a link subjected to calculation for a candidate route by way
of a node in addition to node data and link data. A route calculating means carries
out route calculations for a candidate link, as a subject, that candidate link
data indicate for a node in which the candidate link data exist and for a link, as
a subject, along a route in which no candidate link data exist.
Inventors:
NAMBATA IPPEI (JP)
Application Number:
PCT/JP2006/320220
Publication Date:
April 17, 2008
Filing Date:
October 10, 2006
Export Citation:
Assignee:
PIONEER CORP (JP)
NAMBATA IPPEI (JP)
NAMBATA IPPEI (JP)
International Classes:
G01C21/00; G08G1/0969; G09B29/00; G09B29/10
Foreign References:
| JP2000018958A | 2000-01-21 | |||
| JP2004138564A | 2004-05-13 |
Attorney, Agent or Firm:
NAKAMURA, Toshinobu et al. (3rd Floor Oak Building Kyobashi, 16-10, Kyobashi 1-chome, Chuou-k, Tokyo 31, JP)
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