Patent ID: 7619838
Filing Date: 2009-11-17
Classification: G02B,G03B,H04N

Abstract:
1. An image stabilizer comprising: a first movable frame to move in a first linear direction perpendicular to an optical axis of a lens system; a second movable frame to move in a second linear direction perpendicular to both the first direction and said optical axis, said second movable frame including first and second bearing portions fixed to said second movable frame, said first movable frame being supported by said first bearing portion and being guided by said second bearing portion so as to be movable with respect to said second movable frame; a fixed supporting frame for supporting said second movable frame; a correcting lens having an optical axis and mounted on said first movable frame; a driver for controlling said first and second movable frames, wherein said driver includes coils and magnets, respectively mounted on at least said first movable frame and said supporting frame, said coils including a first coil magnetically cooperating with said magnets for moving said first movable frame in said first direction and a second coil magnetically cooperating with said magnets for moving said second movable frame in said second direction; and magnetic members provided in the vicinity of said first and second coils on said movable frames or said supporting frame and attracted to or repelled by said magnets.