Actuator with multipolar magnet structure

An actuator with a multipolar magnet structure includes a carrier configured so that a lens is loaded thereon, the carrier being configured to linearly move along an optical axis direction, a housing configured to accommodate the carrier, a coil unit provided in the housing and having an n number of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Son, Myung Gyun, Jeong, Hyo Jo, Suh, Min Gyu, Yeon, Je Seung, Son, Jung Min
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 CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY ELECTROGRAPHY GENERATION HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	An actuator with a multipolar magnet structure includes a carrier configured so that a lens is loaded thereon, the carrier being configured to linearly move along an optical axis direction, a housing configured to accommodate the carrier, a coil unit provided in the housing and having an n number of coils arranged along the optical axis direction in the same side of the housing, where n is a natural number of 2 or above, and a magnet mounted to the same side of the carrier to face the coil unit, the magnet having an n+1 number of magnetic poles facing the coil unit.