Boots – shoes – and leggings
Patent
1983-06-24
1986-06-03
Chin, Gary
Boots, shoes, and leggings
364449, 364571, 33356, G06F 1550
Patent
active
045933596
ABSTRACT:
A vehicle navigation system comprises a magnetic-field sensor mounted on the vehicle and outputting electrical signals corresponding to the measured azimuth of the vehicle, an analog-to-digital converter, and a microcomputer including a storage device having a stored look-up table of correction factors for various azimuth positions of the vehicle and a processor programmed to compute the true azimuth values from the measured values and the stored look-up table. The invention is particularly useful for vehicles, such as tanks, having two relatively movable parts, such as the tank hull and the turret, in which case the system includes two of the magnetic-field sensors, each mounted on one of these parts, and the storage device has stored therein two look-up tables each in the form of a matrix of correction factors for the various azimuth positions of each movable part.
REFERENCES:
patent: 4091543 (1978-05-01), Lapeyre
patent: 4413424 (1983-11-01), Sasaki et al.
patent: 4414753 (1983-11-01), Moulin et al.
patent: 4416067 (1983-11-01), Scherer et al.
patent: 4429469 (1984-02-01), Tsushima et al.
patent: 4445279 (1984-05-01), Tsushima et al.
patent: 4497034 (1985-01-01), Kuno et al.
Barish Benjamin J.
Chin Gary
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