Movie camera adapted for simultaneous motion picture and magneti

Details Movie camera adapted for simultaneous motion picture and magneti Movie camera adapted for simultaneous motion picture and magneti

1975-04-25

1976-10-19

Adams, Jr., Russell E.

Optics: motion pictures

With sound accompaniment

Common picture and sound record carrier systems

352 29, 352 72, 352 74, G03B 3102, G03B 2302

Patent

active

039867706

ABSTRACT:
A movie camera of the kind adapted for simultaneous motion picture and magnetic sound recording on a film in a cartridge, in which sound recording means including a magnetic recording head and a capstan are disposed in the camera body, and a swingable lever carrying sound recording means including a pinch roller is disposed in the camera body to be held in a retracted position when the cover of the camera is fully opened and kept in such position for the loading and unloading of the cartridge. In the movie camera, means are provided so that the pinch roller carried by the swingable lever can be urged to a position closely adjacent to the capstan and held temporarily in such position when the cartridge is loaded and the cover is closed, and then the pinch roller can be urged further toward the capstan to bring the sound recording track portion of the film into pressure contact with the capstan in response to the manipulation of the release for starting the motion picture taking operation.

REFERENCES:
patent: 3807841 (1974-04-01), Dudley et al.
patent: 3825327 (1974-07-01), Kosarko et al.
patent: 3880504 (1975-04-01), Marvin

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