4. Optics: motion pictures
  5. With sound accompaniment
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Fading audio-level controls for sound-recording motion picture c

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

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Film advancement control for motion picture projector

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

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Film camera with data recordation

Optics: motion pictures – With sound accompaniment – Picture and sound synchronizing
Reexamination Certificate

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Film feeding device for sound motion picture camera

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

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Film language

Optics: motion pictures – With sound accompaniment – Picture and sound synchronizing
Reexamination Certificate

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Film loop forming device

Optics: motion pictures – With sound accompaniment – Picture and sound synchronizing
Patent

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Film projection system

Optics: motion pictures – With sound accompaniment – Selectively operable plural records – recorders or reproducers
Patent

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Film projector with sound playback or recording

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

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Film sag detecting device for sound cinecamera

Optics: motion pictures – With sound accompaniment – Picture and sound synchronizing
Patent

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Film sound track recording and playback system

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

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Film speed control for sound motion picture projector

Optics: motion pictures – With sound accompaniment – Picture and sound synchronizing
Patent

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Film transport speed controlling device

Optics: motion pictures – With sound accompaniment – Picture and sound synchronizing
Patent

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Film-feeding speed controlling device for sound-cinecamera

Optics: motion pictures – With sound accompaniment – Picture and sound synchronizing
Patent

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Film-sound synchronization system

Optics: motion pictures – With sound accompaniment – Picture and sound synchronizing
Patent

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Film-to-tape transfer apparatus

Optics: motion pictures – With sound accompaniment
Patent

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Film-to-tape transfer apparatus

Optics: motion pictures – With sound accompaniment
Patent

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Film-transport control for sound-film camera

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

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Film-transport control for sound-film camera

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

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Filming camera with a synchronous sound recording

Optics: motion pictures – With sound accompaniment – Picture and sound synchronizing
Patent

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Flutter compensator with variable oscillator

Optics: motion pictures – With sound accompaniment – Methods
Patent

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