Ultra-short-focus projection optical system

The invention discloses an ultra-short-focus projection optical system, which is sequentially provided with a DMD chip, a refractive lens assembly and an aspherical reflecting mirror in the projection direction, and is characterized in that the refractive lens assembly comprises a first lens group c...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHU HONGTING, GONG JUNQIANG, LI JIANHUA, QUAN LIWEI
Format:	Patent
Sprache:	chi ; 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 ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!