Optical scanning apparatus incorporating counter-rotation of pri

Details Optical scanning apparatus incorporating counter-rotation of pri Optical scanning apparatus incorporating counter-rotation of pri

1981-11-30

1983-11-01

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

250236, 350 69, G01J 120

Patent

active

044131771

ABSTRACT:
An optical scanning apparatus embodied in a gyroscopic missile seeker to provide a rosette scan pattern of the field of view. A single driving motor is employed with a traction drive assembly to produce the necessary counter-rotation of slightly canted scanning elements and thereby effect the rosette scan pattern. A canted primary focusing mirror is directly driven by the motor and is connected through a traction drive to a canted secondary mirror to effect proportional counter-rotation of the secondary mirror.

REFERENCES:
patent: 4009393 (1977-02-01), Ashley, Jr. et al.
patent: 4010365 (1977-03-01), Meyers et al.
patent: 4030807 (1977-06-01), Briney
patent: 4039246 (1977-08-01), Voigt

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