NAVIGATION APPARATUS

PROBLEM TO BE SOLVED: To provide a navigation system which can learn unregistered roads more accurately, even when a vehicle has made a turn around. SOLUTION: The navigation system determines that the vehicle has not deviated from the road by threshold or more in turnaround of the vehicle (S106:NO),...

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Bibliographische Detailangaben
1. Verfasser:	HISATOMI SHINJI
Format:	Patent
Sprache:	eng
Schlagworte:	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 SURVEYING TESTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a navigation system which can learn unregistered roads more accurately, even when a vehicle has made a turn around. SOLUTION: The navigation system determines that the vehicle has not deviated from the road by threshold or more in turnaround of the vehicle (S106:NO), even if the turnaround of the vehicle was determined, based on its vehicular swept path (S100:YES), and it is determined to have run on an unregistered road (S102:YES). When link IDs, before and after turnaround of the vehicle, are determined as being a mismatch (S110:NO) and the difference in altitude of the road on which the vehicle has traveled during turnaround is determined as not having exceeded the threshold (S110:NO), the system prohibits registration of the unregistered roads data based on the vehicular swept path in map data memory (S116). COPYRIGHT: (C)2011,JPO&INPIT