Sound motion picture camera capable of overlapping exposures

Details Sound motion picture camera capable of overlapping exposures Sound motion picture camera capable of overlapping exposures

1979-09-04

1982-04-27

Hayes, Monroe H.

Optics: motion pictures

Special effects

Transition effects

352 5, 352 27, G03B 2136

Patent

active

043267823

ABSTRACT:
A sound motion picture camera capable of overlapping exposures by automatically controlling the sequence of a first step beginning with stopping of the take-up spool in a film cassette from further rotation in response to initiation of an overlapping exposure operation and terminating with a predetermined length of film being accumulated in the cassette in the form of a slack loop, a second step of rewinding the length of the looped film without further exposing the film and a third step of transporting the rewound film in the forward direction again while exposing the film again, characterized by the provision of control means for allowing release of a head pad from pressure contact against the magnetic head when the above second step starts.

REFERENCES:
patent: 1844672 (1932-02-01), Narath
patent: 1889840 (1932-12-01), Owens
patent: 3597056 (1971-08-01), Sasaki
patent: 3957363 (1976-05-01), Hayashi et al.
patent: 4000940 (1977-01-01), Komine et al.
patent: 4150884 (1979-04-01), Reichen

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