Patent ID: 6803843
Filing Date: 2004-10-12
Classification: G02B,G11B

Abstract:
A movable-body apparatus comprising:a first support member; a movable body having top and bottom planar surfaces; supporting means having a twisting longitudinal axis, said supporting means supporting said movable body relative to said first support member; and driving means which tilt said movable body in a tilting direction about the twisting longitudinal axis, said driving means including a stationary portion provided apart from said movable body, and a moving core formed of a magnetic material, provided on said bottom planar surface of said movable body, wherein said stationary portion and said moving core have faces opposed to each other in a planar direction of said movable body, and wherein a superimposed area exists between a part of the face of said stationary portion and a part of the face of said moving core where a size of the superimposed area is changed when said movable body is tilted when viewed from said planar direction of said movable body and said superimposed area also exists directly below said bottom planar surface of said movable body.