Motion picture system

Details Motion picture system Motion picture system

1977-07-11

1981-06-16

Hix, L. T.

Optics: motion pictures

Camera and/or projector drive mechanisms

With single frame operation

352174, G03B 2138

Patent

active

042734266

ABSTRACT:
In the disclosed motion picture system a shutter drive control circuit renders it possible to operate a rotary shutter in various exposure control modes including a mode in which rotation of the shutter is stopped for each long exposure of motion picture frame, the system can defer release of the shutter to the exposure aperture closed position pending completion of a picture frame exposure in any of the modes. The system terminates the preceding manual actuation of a shutter trigger when the taking of the particular picture frame is in progress.

REFERENCES:
patent: 3705764 (1972-12-01), Reinsch
patent: 3762806 (1973-10-01), Roth et al.
patent: 3898000 (1975-08-01), Kobayashi
patent: 3971053 (1976-07-01), Maida
patent: 4003646 (1977-01-01), Freudenschuss et al.
patent: 4036555 (1977-07-01), Maida
patent: 4046464 (1977-09-01), Shimazaki et al.

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