Patent ID: 6414931
Filing Date: 2002-07-02
Classification: G11B

Abstract:
A lens driving device for driving a lens adapted for collecting the light from a light source on a signal recording surface of an optical recording medium comprising:first driving means having a movable portion which is adapted for being moved in a direction along the optical axis of the light from said light source and in a direction perpendicular to the optical axis; second driving means mounted on said movable portion of said first driving means and having a movable portion movable in the direction along the optical axis of the light from the light source; a first lens mounted on the movable portion of said second driving means and on which falls the light from the light source; and a second lens mounted on the movable portion of the first driving means and on which falls the light collected by said first lens, said second lens illuminating the collected light towards said optical recording medium.