| 摘要 |
PROBLEM TO BE SOLVED: To provide a vibration motor whose rotor core itself has a shifted center of gravity, and which contributes to space saving and has thigh efficiency. SOLUTION: An annular stator magnet 10, in which an N-pole and an S-pole are arranged 180 deg. apart in a circumferential direction and a 2-pole rotor whose 1st pole 8a and 2nd pole 8b, are arranged (180-α) deg. (αis a predetermined bias angle) are provided in a case 1. A commutator 3 is composed of four commutator segments. The winding start terminals and the winding end terminals of armature coils 9a and 9b of the rotor are connected to the respective commutator segments.
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