Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Patent
1982-01-27
1984-08-21
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
318632, 318636, G01J 120, G05D 23275, G05B 2102
Patent
active
044671865
ABSTRACT:
A mirror actuator control system utilizing a wavefront sensor to determine the resulting angle error signal between the wavefront tilt angle and the mirror tilt angle. The resulting angle error signal is used to drive the actuator unit which controls the mirror tilt angle.
REFERENCES:
patent: 3708736 (1973-01-01), Hoshina et al.
patent: 4326800 (1982-04-01), Fitts
patent: 4399356 (1983-08-01), Feinleib et al.
Goralnick Norman S.
McLellan, Jr. George H.
Austin II Ernest
Nelms David C.
Singer Donald J.
Stepanishen William
The United States of America as represented by the Secretary of
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