Optical system for a digital light projection system including a multi-light path lens

An optical system for a digital light projection system is provided. The optical system comprises an illumination source that generates unmodulated light. The optical system also comprises a multi-light path lens that receives the unmodulated light, wherein the multi-light path lens includes at leas...

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Bibliographische Detailangaben
Hauptverfasser:	KIM DONGHA, SHANLEY JAMES F
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 OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:	An optical system for a digital light projection system is provided. The optical system comprises an illumination source that generates unmodulated light. The optical system also comprises a multi-light path lens that receives the unmodulated light, wherein the multi-light path lens includes at least one reflective surface that reflects the unmodulated light. The optical system further comprises a modulator that receives the reflected unmodulated light, whereby the modulator generates modulated light. The multi-light path lens receives the modulated light. The multi-light path lens is used within both the unmodulated light path and the modulated light path. In other words, the multi-light path lens is used within both the illumination optical path and the imaging optical path to thereby provide an extremely compact optical system.