Boots – shoes – and leggings
Patent
1987-06-16
1989-09-12
Lall, Parshotam S.
Boots, shoes, and leggings
36457101, 36457102, 364444, 364449, 340988, 33356, G06F 1550, G01C 1738
Patent
active
048666270
ABSTRACT:
A direction finder includes a terrestrial magnetism sensor, a magnetization correction means for correcting an output of the sensor with a magnetic field component produced by a vehicle itself on which the sensor is mounted and a correction amending means for amending a corrected output on the basis of coordinates of a cross point of a line extending perpendicularly from a coordinates corresponding to a correction amount produced by the magnetization correction means onto a perpendicular bisector of a line segment connecting two coordinates points obtained by the sensor at different time instances.
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Lall Parshotam S.
Mitsubishi Denki & Kabushiki Kaisha
Ramirez Ellis B.
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