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Overhead projector with centerless Fresnel lens reflective stage

Optics: image projectors – Episcope – Reflector between lamp and screen
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Portable opaque projector

Optics: image projectors – Episcope – Reflector between lamp and screen
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Projecting optical apparatus having no trapezoidal distortion

Optics: image projectors – Episcope – Reflector between lamp and screen
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Reading device for the visually handicapped

Optics: image projectors – Episcope – Reflector between lamp and screen
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Rear projection display device having multiple mirrors that...

Optics: image projectors – Episcope – Reflector between lamp and screen
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Reflected image through substance

Optics: image projectors – Episcope
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Reflecting illumination type projecting device

Optics: image projectors – Episcope – Reflector between lamp and screen
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Reflecting illumination type projecting device

Optics: image projectors – Episcope – Reflector between lamp and screen
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Reflecting type overhead projector with automatically variable s

Optics: image projectors – Episcope – Reflector between lamp and screen
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Reflection type overhead projector

Optics: image projectors – Episcope – Reflector between lamp and screen
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Reflection type projector

Optics: image projectors – Episcope – Reflector between lamp and screen
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Reflection-type overhead projector

Optics: image projectors – Episcope – Reflector between lamp and screen
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System and method for enlarging a liquid crystal display...

Optics: image projectors – Episcope
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Transparency overhead projector

Optics: image projectors – Episcope
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