| 摘要 |
<P>PROBLEM TO BE SOLVED: To build a position detector (encoder) and a scale directly in the structure of a rod-like ultrasonic motor without enlarging the profile of the motor. <P>SOLUTION: A supporting member for securing a rod-like vibrator is provided with a means for detecting the amount of movement of a moving element (rotor) and a rotation output member is provided with a scale integrally. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
