| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a step motor that can accurately maintain steps on a 60-degree basis with an easily formable configuration. <P>SOLUTION: A step motor includes: a rotor 5 that is two-pole magnetized in a radial direction; a first magnetic pole 15a, a second magnetic pole 15b, and a third magnetic pole 15c arranged along an outer periphery of the rotor on a 120-degree basis; a first coil 22a that magnetically bonds the first magnetic pole and the second magnetic pole; a second coil 22b that magnetically bonds the second magnetic pole and the third magnetic pole; a driving pulse supply circuit 31 that applies a driving pulse to the first coil and the second coil so as to rotate the rotor on a 60-degree basis; and a rotor stopping means 16 that maintains a standstill state of the rotor on a 60-degree rotation basis. <P>COPYRIGHT: (C)2013,JPO&INPIT |
