LandOfFree - US Patents - Listing for Optics: motion pictures,Camera and/or projector drive mechanisms

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Film wind-up arrangement for motion-picture cameras

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

Patent

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Film-feeding mechanism

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

Reexamination Certificate

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Forward-reverse multi speed film transport mechanism

Optics: motion pictures – Camera and/or projector drive mechanisms – With reverse feed

Patent

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Forward-reverse projector mechanism

Optics: motion pictures – Camera and/or projector drive mechanisms – With reverse feed

Patent

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Frame registration

Optics: motion pictures – Camera and/or projector drive mechanisms – With continuous feed and intermittent film arresting means

Patent

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Frame-counting device for use with film cassette

Optics: motion pictures – Camera and/or projector drive mechanisms – With indicating means

Patent

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Free wheeling sprocket rotary gate for motion picture film

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

Reexamination Certificate

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Geneva mechanism and motion picture projector using same

Optics: motion pictures – Camera and/or projector drive mechanisms – With intermittently driven carrier-engaging sprocket

Reexamination Certificate

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Hand-held viewer for motion picture cassettes

Optics: motion pictures – Camera and/or projector drive mechanisms – With continuous feed and intermittent film arresting means

Patent

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High speed transport for large film formats

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

Patent

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Indicating device for motion picture camera

Optics: motion pictures – Camera and/or projector drive mechanisms – With indicating means

Patent

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Information display arrangement for camera

Optics: motion pictures – Camera and/or projector drive mechanisms – With indicating means

Patent

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Information display arrangement for camera

Optics: motion pictures – Camera and/or projector drive mechanisms – With indicating means

Patent

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Inlet guide structure for rolling loop film transport mechanism

Optics: motion pictures – Camera and/or projector drive mechanisms – With continuous feed and intermittent film arresting means

Patent

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Intermittent drive mechanism for film

Optics: motion pictures – Camera and/or projector drive mechanisms – With intermittently driven carrier-engaging sprocket

Patent

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Intermittent film drive for motion picture projector

Optics: motion pictures – Camera and/or projector drive mechanisms – With intermittently driven carrier-engaging sprocket

Patent

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Intermittent film transport registration stabilization device

Optics: motion pictures – Camera and/or projector drive mechanisms – With continuous feed and intermittent film arresting means

Patent

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Intermittent movement with tandem cams

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

Patent

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Intermittent prime film mover using multi-toothed wheel drive

Optics: motion pictures – Camera and/or projector drive mechanisms – With intermittently driven carrier-engaging sprocket

Patent

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Marking of interspersed motion-picture scenes and still shots wi

Optics: motion pictures – Camera and/or projector drive mechanisms – With single frame operation

Patent

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