Boots – shoes – and leggings
Patent
1989-04-25
1992-04-28
Black, Thomas G.
Boots, shoes, and leggings
364450, 364444, 340990, G06F 1550
Patent
active
051093448
ABSTRACT:
A vehicle navigation apparatus which selects possible target nodes stored in memory based on the present position of the vehicle and then eliminates those nodes not possible to reach after comparing the bearing from the present position of the vehicle to each selected node with the present bearing of the vehicle. The navigation apparatus determines that the vehicle is traveling on a road-not-in-memory when the number of possible nodes is reduced to zero. The navigation apparatus repeatedly searches, after each predetermined travel distance, for possible nodes within a progressively widening search circle, the radius of which is related to the distance traveled. When a target is found which is stored in memory the apparatus determines that the vehicle has returned to travel on a road stored in memory.
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Kakihara Masaki
Sasaki Masao
Auchterlonie Thomas S.
Black Thomas G.
Mazda Motor Corporation
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