Motion picture camera with a capping shutter

Details Motion picture camera with a capping shutter Motion picture camera with a capping shutter

1997-03-04

2000-10-31

Adams, Russell

Optics: motion pictures

Shutters

207208, 207219, G03B 908, G03B 910, G03B 928

Patent

active

061391530

ABSTRACT:
The invention relates to a motion picture camera having a camera lens, a gate disposed through a film path of a motion picture film, past which gate the motion picture film is moved intermittently by means of a film transport mechanism. A shutter is disposed between the camera lens and the gate. A capping shutter is disposed in front of the gate in the optical path between the shutter and the film which provides for a light-tight covering of the motion picture film during single-frame exposure or time exposures.

REFERENCES:
patent: 1955938 (1934-04-01), Berkowitz
patent: 2015950 (1935-10-01), Mayer
patent: 2039341 (1936-05-01), Parish
patent: 3300271 (1967-01-01), Yamamoto
patent: 3597067 (1971-08-01), Okuzawa
patent: 3885864 (1975-05-01), Friesen
patent: 4284332 (1981-08-01), Sekine
patent: 4592632 (1986-06-01), Renold
patent: 4630907 (1986-12-01), Mayer
patent: 5184158 (1993-02-01), Grosser

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