| 摘要 |
PROBLEM TO BE SOLVED: To provide a unipolar two-phase stepping motor drive unit which suppresses heating of a motor driver and has high reliability.SOLUTION: A cable connecting a motor and a motor driver is a flat conductor and (1) a flat surface of a conductor connecting one end of an A-phase coil and the driver and a flat surface of a conductor connecting another end of the A-phase coil and the driver, (2) a flat surface of a conductor connecting one end of an AB-phase coil and the driver and a flat surface of a conductor connecting another end of the AB-phase coil and the driver, (3) a flat surface of a conductor connecting one end of a B-phase coil and the driver and a flat surface of a conductor connecting another end of the B-phase coil and the driver, and (4) a flat surface of a conductor connecting one end of a BB-phase coil and the driver and a flat surface of a conductor connecting another end of the BB-phase coil and the driver, are made adjacent to each other. |
