LandOfFree - US Patents - Listing for Optics: image projectors

Optics: image projectors – Reflector – Plural

Overhead projector

Optics: image projectors – Housing

Overhead projector

Optics: image projectors – Polarizer or interference filter

Overhead projector

Reexamination Certificate

Optics: image projectors – Pointer

Overhead projector display

Overhead projector fluid dynamics simulator

Overhead projector focus arm adjustment mechanism

Overhead projector for flat panel display capability

Overhead projector for LCD panel

Overhead projector for LCD panel

Optics: image projectors – Picture carrier

Overhead projector illustration slate

Optics: image projectors – Structurally related projector and screen

Overhead projector mount system

Reexamination Certificate

Optics: image projectors – Lens support – Lens position adjustable

Overhead projector of the under mirror type

Reexamination Certificate

Optics: image projectors – Housing

Overhead projector support leg mechanism

Optics: image projectors – Epidiascope

Overhead projector with a spatial light modulator

Optics: image projectors – Unitary plural refracting surfaces

Overhead projector with achromatic fresnel lens

Optics: image projectors – Slide transfer mechanism

Overhead projector with automatic document positioner

Optics: image projectors – Epidiascope

Overhead projector with catadioptric fresnel lens

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

Overhead projector with centerless Fresnel lens reflective stage

Optics: image projectors – Temperature control – Blower

Overhead projector with high illuminance lamp as light source