| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a motor driver whose power loss in an amplifier unit is small. <P>SOLUTION: A variable voltage power supply unit 13, which supplies a DC voltage interlocked with a terminal voltage of a servomotor M to an amplifier unit 12, is provided between a DC power supply unit 11 and the amplifier unit 12 of a motor driver. <P>COPYRIGHT: (C)2003,JPO |
