| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To make it possible to stably and exactly detect rotation by miniaturizing a magnet clutch type reel stand, even if its torque value is set low. <P>SOLUTION: A magnetic material is locally arranged at opposite side to a reel stand of a hall element which is arranged facing the reel stand so as to detect the rotation of the reel stand. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
