Title:
ROUTE GUIDANCE DEVICE AND INFORMATION PROVIDING SYSTEM
Document Type and Number:
Japanese Patent JP3519396
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To perform accurate route guidance to a destination by providing a route guidance system with a means for providing detailed map information not stored in map information of the system from the outside.
SOLUTION: The detailed map information and modified map information stored in a map data base 112 of a center device 102 are received by a communication device 108 and added to map data read from an optical disk drive 104. Then route retrieval is performed through the use of the detailed map information by a route retrieving device 109, and route information is provided for a user by a display device 106.
Inventors:
Inoue, Yuki
Yajima, Shunichi
Endo, Takashi
Yajima, Shunichi
Endo, Takashi
Application Number:
JP2002073918A
Publication Date:
April 12, 2004
Filing Date:
March 20, 1995
Export Citation:
Assignee:
HITACHI LTD
International Classes:
G09B29/00; G01C21/00; G06F17/30; G08G1/137; G09B29/10; (IPC1-7): G01C21/00; G06F17/30; G08G1/137; G09B29/00; G09B29/10
Attorney, Agent or Firm:
三品 岩男
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