4. Optics: motion pictures
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Film trap for a motion picture projector

Optics: motion pictures – Gates
Patent

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Film viewer

Optics: motion pictures – Film strip viewing apparatus
Patent

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Film viewer

Optics: motion pictures – Film strip viewing apparatus
Patent

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Film viewer and analyzer and method

Optics: motion pictures – Methods – Applications
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Film wind-up arrangement for motion-picture cameras

Optics: motion pictures – Camera and/or projector drive mechanisms
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Film-feeding mechanism

Optics: motion pictures – Camera and/or projector drive mechanisms – With film engaging claws reciprocally driven to engage film
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Film-feeding speed controlling device for sound-cinecamera

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Film-handling apparatus

Optics: motion pictures – Optical rectifier type – Reflector angularly displaced about fixed axis
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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Filming using rear-projection screen and image projector

Optics: motion pictures – Methods – Recording
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Finder optical system

Optics: motion pictures – Removable film strip magazine type
Patent

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Fisheye projection lens system for 35mm motion pictures

Optics: motion pictures – Removable film strip magazine type
Patent

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Flashing device for motion picture camera

Optics: motion pictures – Removable film strip magazine type
Patent

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Flexible coupling for a self-propelled camera dolly

Optics: motion pictures – With support
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Flexible visual display system

Optics: motion pictures – Removable film strip magazine type
Patent

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