Motion-picture camera

Details Motion-picture camera Motion-picture camera

1978-05-01

1979-05-08

Hayes, Monroe H.

Optics: motion pictures

Special effects

Transition effects

352 72, G03B 2136

Patent

active

041533518

ABSTRACT:
For trick cinematography, a motion-picture camera is equipped with a pushbutton which upon actuation blocks or retards the windup of a film in a cassette while the film transport past an image gate continues. The advancing film, with or without exposure according to the desired effect (cross-fading or reverse filming), is deflected from an exposure gap in the cassette, either at the image gate or at a sound-recording head, into a loop received in an adjacent storage chamber from which it is subsequently withdrawn by reverse transportation under the control of a counter which registers the number of frames in the loop. The deflection of the film during the loop-forming phase may be effected by a baffle or by a perforation-engaging detent.

REFERENCES:
patent: 3582198 (1971-06-01), Reinsch
patent: 3680813 (1972-08-01), Koeber
patent: 3689137 (1972-09-01), Yozo
patent: 3712720 (1973-01-01), Winkler et al.

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