| 摘要 |
<P>PROBLEM TO BE SOLVED: To drive a motor without problems such as the vibration of a driven part or an enclosure. <P>SOLUTION: A direct-current motor 37 is driven by supplied a driving pulse. A control unit 51 specifies the duty ratio of the driving pulse and a cycle that varies depending on the duty ratio. A motor driving unit 52 supplies the direct-current motor 37 with the driving pulse having the duty ratio and the cycle specified by the control unit 51. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
