| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lens drive device that securely prevents a worm gear and a nut, which compose the lens drive device with a simple structure, from becoming stuck relative to each other. <P>SOLUTION: The lens drive device includes: a permanent magnet 120 attached to one frame 101; a permanent magnet 121 attached to a lens holder 105 so as to be opposite to the permanent magnet 120; a permanent magnet 122 attached to a nut; and a permanent magnet 123 attached to the other frame 102 so as to be opposite to the permanent magnet 122. <P>COPYRIGHT: (C)2010,JPO&INPIT |
