| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a motor device that produces high torque. <P>SOLUTION: A motor device includes: a rotor; a transmission section wound around at least part of a perimeter of the rotor; a driving section that is connected to the transmission section and drives the transmission section in response to a control signal supplied thereto; and a control section that switches between a first driving mode and a second driving mode in which to operate the driving section. In the first driving mode, the control section supplies a first control signal of a predetermined voltage and a predetermined frequency to the driving section, thereby driving the driving section in such a manner that the driving section puts the rotor and the transmission section into a torque transmission state and moves the transmission section over a certain distance as well as cancelling the torque transmission state and returning the transmission section to a predetermined position. In the second driving mode, the control section supplies a second control signal of a predetermined voltage and a predetermined frequency, at least one of which is higher than the corresponding one of the first control signal, thereby driving the driving section in such a manner that the driving section generates a larger amount of heat than in the first driving mode. <P>COPYRIGHT: (C)2012,JPO&INPIT |
