Title:
Navigation device
Document Type and Number:
Japanese Patent JP6137540
Kind Code:
B2
Abstract:
A navigation device, when a vehicle travels through an area in which the use of an ETC device provided in the vehicle is not possible, can prevent that vehicle from being guided along an ETC device utilization rout. The navigation device sets, for each area, whether or not the use of the ETC device is possible; performs a first route search using a first cost condition regarding the route cost of an ETC device utilization route; performs a second route search using a second cost condition regarding a route cost for which the route cost of an ETC device utilization route is higher than with the first cost condition; and, on the basis of a setting status for whether or not the use of the ETC device in each area is possible, controls whether to perform the first route search or the second route search.
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Inventors:
Katsuhiko Yamaki
Yukio Sato
Yukio Sato
Application Number:
JP2013157969A
Publication Date:
May 31, 2017
Filing Date:
July 30, 2013
Export Citation:
Assignee:
Alpine Electronics Co., Ltd.
International Classes:
G01C21/36
Domestic Patent References:
| JP2009042225A | ||||
| JP2004132798A |
Attorney, Agent or Firm:
Masaki Higuchi