Optics: motion pictures – With sound accompaniment – Picture and sound synchronizing
Patent
1977-09-22
1979-07-31
Hayes, Monroe H.
Optics: motion pictures
With sound accompaniment
Picture and sound synchronizing
G03B 3100
Patent
active
RE0300586
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
Fitz-Gerald Roger M.
Hayes Monroe H.
Nihon Beru-Haueru Kabushiki Kaisha (Bell & Howell Japan, Ltd.)
Passman Aaron
Peele, Jr. John E.
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