LENS SYSTEM FOR A FRONT PROJECTION DISPLAY DEVICE

A front projection display device (400) comprising an image generating source (410) configured to generate an image, a wide angle lens system (430, 450) adapted to receive the image from the image generating source (410), wherein the wide angle lens system (430, 450) being configured to increase dis...

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Bibliographische Detailangaben
Hauptverfasser:	PETERSON, MARK D, ENGLE, SCOTT T
Format:	Patent
Sprache:	eng ; fre ; ger
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 OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:	A front projection display device (400) comprising an image generating source (410) configured to generate an image, a wide angle lens system (430, 450) adapted to receive the image from the image generating source (410), wherein the wide angle lens system (430, 450) being configured to increase distortion of the image in a first stage (430) and decrease distortion of the image in a second stage (450), wherein a substantially non-distorted image is projected at a field of view greather than 100 degrees.