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Title:
NAVIGATION SYSTEM
Document Type and Number:
Japanese Patent JP3589124
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide coordination in process between a mobile body terminal and an information terminal.
SOLUTION: A course search point deciding part 12d of a mobile body 10 decides whether course search is performed by the mobile body or requests from an information center 30, depending on various conditions such as preference for a speed way, version of the map data of the mobile body 10, etc. Thus, efficient search is done using two course search means. A current position calculating part 12a adds the course data acquired from the information center 30 to a map matching candidate for map matching.


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Inventors:
Akito Tada
Hironobu Sugimoto
Masayuki Enomoto
Application Number:
JP32843099A
Publication Date:
November 17, 2004
Filing Date:
November 18, 1999
Export Citation:
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Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
G01C21/00; G01C21/34; G01S19/48; G08G1/09; G08G1/137; (IPC1-7): G01C21/00; G08G1/137
Domestic Patent References:
JP8334374A
JP11101646A
JP7234996A
JP11051675A
JP8278154A
Attorney, Agent or Firm:
Kenji Yoshida
Jun Ishida



 
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