| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a lens drive device which is excellent in resistance to shock and can be miniaturized and to provide a cell phone with a camera. <P>SOLUTION: In the lens drive device 1, a front frame 15 is provided at one end of a cylindrical yoke 11 and a rear frame 17 is provided at the other end of the cylindrical yoke 11. Springs 13 and 14 support a lens supporting body 5, to make it movable in the optical axis direction of a lens, with respect to the yoke 11, in such a manner that one end of the springs 13 and 14 is fixed to the yoke 11 and the other end of the springs 13 and 14 is fixed to the lens supporting body 5. The front frame 15 is fixed to only one end of the yoke 11 and the rear frame 17 is fixed to only the other end of the yoke 11. The outer circumferential surface of the yoke 11 is exposed over the whole in the peripheral direction between the front frame 15 and the rear frame 17 and the yoke 11 is used as the bone structure of the lens drive device as well. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
