Projector and display system comprising same

The invention pertains to a projector comprising an optical engine 50, a projection lens 60, a means for light deviation 70, and an afocal lens system 80, wherein the projector has a total throw ratio between 0.7 and 0.8. Such a projector can be used to build a very compact and cost-effective back-p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GERETS, PETER, VERMEIRSCH, KOENRAAD, DEFEVER, RIK
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:	The invention pertains to a projector comprising an optical engine 50, a projection lens 60, a means for light deviation 70, and an afocal lens system 80, wherein the projector has a total throw ratio between 0.7 and 0.8. Such a projector can be used to build a very compact and cost-effective back-projection system. The invention also pertains to a projection assembly comprising such a projector, followed by a means for light gradation 90 and a front-surface mirror 30. The invention also pertains to a display system comprising at least one such projection and a display screen 20.