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...
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Sprache: | eng |
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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. |
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