4. Optical: systems and elements
  5. Projection screen
  6. With reflector or additional screen

Projectavision, Inc.

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High efficiency light valve projection system

Optical: systems and elements – Single channel simultaneously to or from plural channels – By surface composed of lenticular elements
Patent

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High efficiency light valve projection system

Optical: systems and elements – Single channel simultaneously to or from plural channels – By refraction at beam splitting or combining surface
Patent

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Portable rear screen television cabinet

Optical: systems and elements – Projection screen – With reflector or additional screen
Patent

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Portable rear screen video projection system

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Video
Patent

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Rear screen video display system

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

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Profile ID: LFUS-PAI-P-430517

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