Navigation device

Processing for showing entrances to expressways proceeds as follows. A user specifies an expressway and selects a display of entrance list. Then, all the entrances of the specified expressway, located within an L1 (km)-radius circle of a present position are extracted. Driving routes to the respecti...

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Bibliographic Details
Main Author USUI YOSHIMASA
Format Patent
LanguageEnglish
Published 11.03.2004
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:Processing for showing entrances to expressways proceeds as follows. A user specifies an expressway and selects a display of entrance list. Then, all the entrances of the specified expressway, located within an L1 (km)-radius circle of a present position are extracted. Driving routes to the respective entrances are computed, and lengths of the respective driving routes are computed. Thereafter, the entrances are sorted in ascending order of the lengths of the respective driving routes, and an entrance list based on the result of this sorting is displayed on a display unit. In the entrance list, the entrances and lengths are listed in pairs in ascending order of the lengths. Further, after a format for storing the entrance is specified from among destination, way point, memory point, and point to be bypassed, processing is performed according to the specified format.
Bibliography:Application Number: US20030653265