Sound motion picture camera and sound motion picture system

Details Sound motion picture camera and sound motion picture system Sound motion picture camera and sound motion picture system

1977-12-12

1979-03-27

Gellner, Michael L.

Optics: motion pictures

With sound accompaniment

Common picture and sound record carrier systems

352 5, G03B 3102

Patent

active

041463129

ABSTRACT:
A sound motion picture camera, capable of using a film strip having a main stripe of magnetic recording material along one side edge of one surface and a balance stripe of magnetic recording material along the other edge of the same surface as well as its motion picture. The camera has a recording magnetic head arranged in correspondence with the main stripe and a second recording magnetic head arranged in correspondence with the balance stripe. Thus the same sound signal can be recorded on both the main and the balance stripe through first and second recording magnetic heads. Separate from the camera a sound recording/reproducing device for cooperation with the aforementioned film is provided with a sound recording/reproducing head and an erase magnetic head in a position corresponding to the main stripe and a sound reproducing head in a position corresponding to the balance stripe. A sound signal recorded on the balance stripe is reproduced by the sound reproducing head and heard through a speaker. Another sound signal from a microphone is recorded on the main stripe of the film at a desired position, through the sound recording/reproducing head.

REFERENCES:
patent: 3452161 (1969-06-01), Hafler
patent: 4059349 (1977-11-01), Homine et al.

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