Boots – shoes – and leggings
Patent
1992-03-17
1994-08-16
Black, Thomas G.
Boots, shoes, and leggings
364449, 342357, G01C 1738, G06F 1550
Patent
active
053392469
ABSTRACT:
An apparatus for compensating a magnetic heading as indicated by a vehicle's magnetic compass so that the magnetic heading corresponds to a true heading as indicated by signals received in the vehicle from the Global Positioning System. The apparatus includes a computer for calculating compensation factors from successive positions occupied by the vehicle as it travels.
REFERENCES:
patent: 4024382 (1977-05-01), Fowler
patent: 4743913 (1988-05-01), Takai
Black Thomas G.
Burstyn Harold L.
Zawelli Michael
Zexel Corporation Diahatsu-Nissan
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