Two rotary blade camera shutter

Details Two rotary blade camera shutter Two rotary blade camera shutter

1983-11-02

1985-08-20

Hix, L. T.

Optics: motion pictures

Removable film strip magazine type

352208, G03B 914, G03B 922

Patent

active

045360693

ABSTRACT:
A first apertured shutter rotates almost a full revolution in a first direction, and a second apertured rotary shutter rotates almost a full revolution in an opposite direction before the apertures of both blades are present at the optical axis to effect exposure, thereby to reduce dynamic disturbances owing to the reduced blade accelerations required.

REFERENCES:
patent: 3820145 (1974-06-01), Gaullier

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