| 摘要 |
PURPOSE:To incorporate an absolute magnetic encoder rationally into a commutator motor by molding an armature by using a plastic magnet and absolutely magnetizing the plastic magnet. CONSTITUTION:An armature 8 turned faced oppositely to a field magnet 6 is molded by a plastic magnet 15. Magnetic pole sections for a plurality of absolute magnetic encoders are magnetized and formed so that the magnetic encoders are shaped to the plastic magnet 15. Magnetic sensors 14-1-14-4 are disposed faced oppositely to the magnetic pole sections for a plurality of the magnetic encoders.
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