Method and apparatus for route calculation involving freeway junction

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United States of America Patent

PATENT NO 9829328
APP PUB NO 20170059351A1
SERIAL NO

14834051

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Abstract

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A method and apparatus of calculating a route involving a freeway junction determines an undesired freeway junction that can pose a driving difficulty, and performs route recalculation that avoids the undesired freeway junction. A distance from a freeway entry to a freeway junction, or a number of freeway entries up to the freeway junction are used to determine the undesired freeway junction. A distance from the freeway junction to a freeway exit is also used to determine the undesired freeway junction. An intermediate point is set to recalculate a route that does not involve the freeway junction to create an overall route.

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Patent Owner(s)

Patent OwnerAddress
ALPINE ELECTRONICS INCTOKYO JAPAN TOKYO METROPOLIS

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawamukai, Hideo Torrance, US 1 6

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