| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a function of redundant system by providing at least a pair of optical detection parts on the base. <P>SOLUTION: A redundant optical encoder apparatus is provided with the rotary code plate (4) to the rotary shaft (3) provided via the bearing (2) on the base (1), From at least the pair of optical detectors (5, 5A) provided on the base (1), the same encoder output signals are emitted for obtaining the redundant system. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
