| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a device which detects easily a rotation information for motor without contact. <P>SOLUTION: The rotation information detection device for motor comprises a motor 21 and a magnetic sensor 23 mounted without contact, an amplifier 24 connected to an output of the magnetic sensor 23, a binary circuit 26 connected to the output of the amplifier 24, and a determination means 27 connected to the output of the binary circuit 26. Then, the rotation information of the motor 21 can be detected easily. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
