Patent ID: 8009371
Filing Date: 2011-08-30
Classification: G02B,G03B,H02K

Abstract:
1. A lens driving apparatus comprising: a movable body holding lenses; a fixed body in which said movable body is mounted being movable along the lens optical axis; and a drive mechanism that moves said movable body in the lens optical axis direction; wherein said drive mechanism is equipped with a coil that is held by either said movable body or said fixed body, a magnet that is held by said other body, and a regulatory means that regulates the movement of said movable body which is induced by an electromagnetic force generated when current is passed through said coil, said fixed body has a cover portion that surrounds said movable body and said magnet, said coil is wound annularly, an inner peripheral shape of said cover portion is polygonal, and said magnet is arranged at a position that includes at least one corner portion of multiple corners in the inner peripheral shape of said cover portion.