NAVIGATION SYSTEM, NAVIGATION PROGRAM, RECORDING MEDIUM, AND HIGH-SPEED ROAD INFORMATION FORMING METHOD

PROBLEM TO BE SOLVED: To search a route comprising a high-speed road which is easy to run and can be passed at a higher running speed when a car runs in reality, on the basis of factors which influence easiness in running and a running speed, when a route is searched. SOLUTION: A navigation system h...

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Bibliographic Details
Main Authors KOBAYASHI MASATO, UMEDA ARIHIRO
Format Patent
LanguageEnglish
Published 02.10.2003
Edition7
Subjects
ADVERTISING
APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE
CRYPTOGRAPHY
DIAGRAMS
DISPLAY
EDUCATION
EDUCATIONAL OR DEMONSTRATION APPLIANCES
GLOBES
GYROSCOPIC INSTRUMENTS
MEASURING
MEASURING DISTANCES, LEVELS OR BEARINGS
NAVIGATION
PHOTOGRAMMETRY OR VIDEOGRAMMETRY
PHYSICS
PLANETARIA
SEALS
SIGNALLING
SURVEYING
TESTING
TRAFFIC CONTROL SYSTEMS
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Summary:PROBLEM TO BE SOLVED: To search a route comprising a high-speed road which is easy to run and can be passed at a higher running speed when a car runs in reality, on the basis of factors which influence easiness in running and a running speed, when a route is searched. SOLUTION: A navigation system has a storage portion which stores search data including high-speed road information for distinguishing high-speed roads, a high-speed road determination portion which determines whether or not a road is a high-speed road on the basis of the high-speed road information, and a route search portion which searches a route lowering a searching cost for a road determined as a high-speed road, and searches a route which minimizes the searching cost. COPYRIGHT: (C)2004,JPO
Bibliography:Application Number: JP20020084284