LandOfFree - US Patents - Listing for Optics: image projectors

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Radiation concentrating system

Optics: image projectors – Plural projection paths with single light source

Patent

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Rainbow projector

Optics: image projectors – Prism in light path

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Random access control apparatus and method for slide projector

Optics: image projectors – With sound accompaniment

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Random access image retrieval apparatus

Optics: image projectors – Selective data retrieval

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Random access module for slide projector

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Reader for microfiches with a display for image-field coordinate

Optics: image projectors – Selective data retrieval – Plural picture rows on single microcard

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Reading device

Optics: image projectors – Selective data retrieval – Plural picture rows on single microcard

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Reading device

Optics: image projectors – Reflector

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Reading device for the visually handicapped

Optics: image projectors – Episcope – Reflector between lamp and screen

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Real image direct front projector

Optics: image projectors – Unitary plural refracting surfaces

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Real image projection device

Optics: image projectors – Relief illusion

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Real image projection system

Optics: image projectors – Plural

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Real object projector

Optics: image projectors – Epidiascope

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rear end projection system employing aspherical lenses

Optics: image projectors – Composite projected image – Letters or numbers

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rear projection apparatus

Optics: image projectors – Cabinet encloses projector and one side of screen

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rear projection apparatus

Optics: image projectors – Cabinet encloses projector and one side of screen

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rear projection apparatus

Optics: image projectors – Cabinet encloses projector and one side of screen – Reflector between lamp and screen

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rear projection display

Optics: image projectors – Cabinet encloses projector and one side of screen

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rear projection display

Optics: image projectors – Lamp control

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rear projection display apparatus

Optics: image projectors – Housing

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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