| 摘要 |
<p>An optical system moving apparatus for a duplicating machine which is so arranged as to effect a scanning operation of document images through the movement of two units of mirror platforms (1,2) respectively at a scanning speed and at a speed half as fast as the scanning speed. The stator (9,12)for the polyphase brushless motor is provided along the moving direction on both the side portions of the moving region of each mirror platform, and two sets of rotors by the core-less coil (U,V,W)of the polyphase brushless linear motor are disposed on these stators, and may drive the respective gravity center positions through the support of both the end portions of two units of mirror platforms.</p> |
