Lens-positioning device of camera module

A positioning unit has a hollow barrel holder (30) with a lens, contacting a upper surface of a rotation plate (40) of a actuating unit when the rotation plate is rotated by an piezoelectric actuator (50) so that the positioning unit is linearly moved with respect to an optical axis of the lens by a...

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Bibliographische Detailangaben
1. Verfasser:	KIM OUI S.,CHANG IN B.,KOC BURHANETTIN,JEONG DAE H.,KIM WOON K.,RYU JUNG H
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 ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	A positioning unit has a hollow barrel holder (30) with a lens, contacting a upper surface of a rotation plate (40) of a actuating unit when the rotation plate is rotated by an piezoelectric actuator (50) so that the positioning unit is linearly moved with respect to an optical axis of the lens by a guide unit.