Patent ID: 7791439
Filing Date: 2010-09-07
Classification: H01F,H02K

Abstract:
1. An actuator comprising: a base member; a first slider that is placed slidably in a first axial direction with respect to the base member; a second slider that is placed slidably in a second axial direction with respect to the base member, the second axial direction being perpendicular to the first axial direction; a moving piece that is placed at a crossing point between the first slider and the second slider, and is capable of moving in a plane, the moving piece being slidably engaged with the first slider and the second slider; a magnet that is fixed to one end of the first slider; a magnet that is fixed to one end of the second slider; and coils that are designed to allow the magnets to move inner spaces thereof, wherein each of the coils includes a main coil and auxiliary coils attached to both end portions of the main coil.