LENS HOLDER DRIVING DEVICE

A lens holder driving device includes a first piezoelectric driver configured to move a first lens holder along an optical-axis direction based on the movement of a first piezoelectric element and a second piezoelectric driver configured to move a second lens holder along the optical-axis direction...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	SUZUKI, Katsutoshi
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 lens holder driving device includes a first piezoelectric driver configured to move a first lens holder along an optical-axis direction based on the movement of a first piezoelectric element and a second piezoelectric driver configured to move a second lens holder along the optical-axis direction based on the movement of a second piezoelectric element. The first lens holder includes a portion (first left-bearing portion) near a first shaft member and a portion near a second shaft member. The first piezoelectric driver is provided in the first left-bearing portion and contacts the first shaft member. The second lens holder incudes a portion near the first shaft member and a portion (second right-bearing portion) near the second shaft member. The second piezoelectric driver is provided in the second right-bearing portion and contacts the second shaft member.