LandOfFree - US Patents - Listing for Optics: image projectors,Slide transfer mechanism

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Disk film projector

Optics: image projectors – Slide transfer mechanism – Slides fixed to movable carrier

Patent

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Drive for a circular magazine of a slide projector

Optics: image projectors – Slide transfer mechanism – Slides reciprocated horizontally

Patent

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Drive mechanism for a spiral array of individual film photograph

Optics: image projectors – Slide transfer mechanism – Slides fixed to movable carrier

Patent

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Drum-type slide magazine

Optics: image projectors – Slide transfer mechanism – Magnetically operated

Patent

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Dual photographic slide projector

Optics: image projectors – Slide transfer mechanism – Slides reciprocated horizontally

Patent

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Dual photographic slide projector

Optics: image projectors – Slide transfer mechanism – Slides reciprocated horizontally

Patent

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Dual slide projector and tray

Optics: image projectors – Slide transfer mechanism – Slides reciprocated horizontally

Patent

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Film slide and film extractor

Optics: image projectors – Slide transfer mechanism

Reexamination Certificate

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Film slide feeder

Optics: image projectors – Slide transfer mechanism

Patent

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Film strip handling apparatus and method

Optics: image projectors – Slide transfer mechanism – Slides reciprocated horizontally

Patent

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Film strip projection apparatus

Optics: image projectors – Slide transfer mechanism – Slides fixed to movable carrier

Patent

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Film strip projection equipment

Optics: image projectors – Slide transfer mechanism – Slides fixed to movable carrier

Patent

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Film transport for a viewer

Optics: image projectors – Slide transfer mechanism – Slides reciprocated horizontally

Patent

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Format film selecting device

Optics: image projectors – Slide transfer mechanism – Slides reciprocated horizontally

Patent

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Gravity-feed rotary tray slide projector

Optics: image projectors – Slide transfer mechanism – Gravity operated

Patent

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Gravity-feed rotary tray slide projector

Optics: image projectors – Slide transfer mechanism – Gravity operated

Patent

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Helmet mounted display having dual interchangeable optical eyepi

Optics: image projectors – Slide transfer mechanism – Slides gripped or hooked

Patent

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High speed optical image selection system

Optics: image projectors – Slide transfer mechanism – Slides fixed to movable carrier

Patent

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Image projection system

Optics: image projectors – Slide transfer mechanism – Feeder magazine and receiver magazine

Patent

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Intermittent rotary motion device

Optics: image projectors – Slide transfer mechanism – Slides fixed to movable carrier

Patent

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