Ordnance – Mounts – Training mechanisms
Patent
1980-05-09
1983-05-17
Bentley, Stephen C.
Ordnance
Mounts
Training mechanisms
356141, F41G 300
Patent
active
043834744
ABSTRACT:
Gun muzzle deflection detector means comprising a depletion mode linear photodiode sensor having four electric outputs representing elevational and azimuth displacement of an optical signal impinging on the sensor face, said sensor outputs being combined and amplified to provide error signals representative of the muzzle deflection from a true zero deflection condition in the elevation and azimuth directions. An automatic gain control is used to adjust the error signals up or down inversely according to the absolute values of the light impinging on the sensor, thereby compensating for possible errors due to fog or airborne particulates in the optical system.
REFERENCES:
patent: 3744913 (1973-07-01), Farthing et al.
patent: 4020739 (1977-05-01), Piotrowski et al.
L. D. Hutcheson, "Practical Electro-Optic Deflection Measurements System", ptical Engineering, vol. 15, No. 1, pp. 61-63, 1976.
B. O. Kelly, "Lateral-Effect Photodiodes", Laser Focus, Vol. 12, No. 3, pp. 38-40, Mar. 1976.
Merrill I. Skolnik, Radar Handbook, 1970, pp. 21-25 to 21-27.
Lehtola Evert E.
Paurus Donald L.
Bentley Stephen C.
Edelberg Nathan
McRae John E.
Taucher Peter A.
The United States of America as represented by the Secretary of
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