4. Optics: motion pictures
  5. With sound accompaniment
  6. Separate picture and sound carrier systems
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Audio-visual systems and methods

Optics: motion pictures – With sound accompaniment – Separate picture and sound carrier systems
Patent

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Configurable cinema sound system

Optics: motion pictures – With sound accompaniment – Separate picture and sound carrier systems
Patent

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High fidelity reproduction device for cinema sound

Optics: motion pictures – With sound accompaniment – Separate picture and sound carrier systems
Patent

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Method and apparatus for editing motion picture film and synchro

Optics: motion pictures – With sound accompaniment – Separate picture and sound carrier systems
Patent

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Sound module for motion picture cameras

Optics: motion pictures – With sound accompaniment – Separate picture and sound carrier systems
Patent

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Sound motion picture apparatus with removable cartridge

Optics: motion pictures – With sound accompaniment – Separate picture and sound carrier systems
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