Shuttle speed control device

Details Shuttle speed control device Shuttle speed control device

1975-10-28

1976-11-16

Hayes, Monroe H.

Optics: motion pictures

With sound accompaniment

Picture and sound synchronizing

226 44, G03B 3100

Patent

active

039923053

ABSTRACT:
Disclosed for a sound motion picture camera is an improved shuttle speed trol device including a film loop sensor sensitive to slight variations in the film loop for causing the speed of the shuttle to be changed by a simple brake device utilizing powers of the drive motor whereby less force is required for sensing the size of the film loop to maintain picture-sound synchronization.

REFERENCES:
patent: 3597056 (1971-08-01), Sasaki

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