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Reading device for the visually handicapped

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

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Rear projection display device having multiple mirrors that...

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

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Reflected image through substance

Optics: image projectors – Episcope
Reexamination Certificate

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Reflecting illumination type projecting device

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

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Reflecting illumination type projecting device

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

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Reflecting type overhead projector with automatically variable s

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

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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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