Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Patent
1984-03-21
1985-07-30
Stearns, Richard R.
Geometrical instruments
Indicator of direction of force traversing natural media
Level or plumb, terrestrial gravitation responsive
33301, G01C 906
Patent
active
045312990
ABSTRACT:
A means for taking roller paths inclination data as part of a weapon system lignment sequence. An accelerometer sensor sends out a DC signal representative of tilt. This signal is amplified and fed to a difference amplifier where a reference signal from a similar channel is subtracted. The difference signal is filtered to remove ship's motion and sent to a scaler circuit for providing an output voltage representing the inclination difference between the two sensors.
REFERENCES:
patent: 3537307 (1970-11-01), Pliha
patent: 3851399 (1974-12-01), Edwards
patent: 3938258 (1976-02-01), Zook
patent: 3945128 (1976-03-01), Weiss
patent: 4277895 (1981-07-01), Wiklund
patent: 4470199 (1984-09-01), Krezak et al.
Howard Ross K.
Wolfe Lewis E.
Beers Robert F.
Phillips Thomas M.
St.Amand Joseph M.
Stearns Richard R.
The United States of America as represented by the Secretary of
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