Adaptable modular stabilization system

Details Adaptable modular stabilization system Adaptable modular stabilization system

1984-08-02

1987-10-20

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

350500, 244 316, G01J 120, G02B 2764

Patent

active

047016027

ABSTRACT:
An optical sensor system (10), including a two degree of freedom gyro (32) and a beam expander (38) having a predetermined magnification level, is rigidly secured internally to a housing (20). Also mounted within the housing is a prime sensor beam expander (14, 16), having a magnification level equal to that of the gyro beam expander, and a prime sensor detector (30) which form a primary sensor optical path. A steering mirror (24) is interposed between the gyro and prime sensor beam expander. An autocollimator (50), including an angle detector (56), is secured internally to the housing and projects a light beam off one surface (25) of the steering mirror onto the gyro rotor (34), the position of the stabilized reflected light beam being adjusted with respect to a null point on the autocollimator sensor thus to control the steering mirror and, accordingly, to stabilize the primary optical path with respect to the target being detected.

REFERENCES:
patent: 3446980 (1969-05-01), Meier
patent: 3732424 (1973-05-01), Wojtulewicz
patent: 4146329 (1979-03-01), King et al.
patent: 4270044 (1981-05-01), Elwell, Jr.
patent: 4326800 (1982-04-01), Fitts

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