| 摘要 |
PURPOSE:To control a linear motor by a pair of switching elements by winding an electromagnetic coil of different two directions on one coil bobbin. CONSTITUTION:A linear motor is composed by holding a coil bobbin 11 and a shaft 12 integrated with the bobbin 11 linearly movably rightward or leftward in a yoke 10 having a cylindrical shape of E-shaped section. A permanent magnet 13 is attached to the inner wall of the yoke 10. Electromagnetic coils 14a, 14b are wound reversely on the bobbin 11. The coils 14a, 14b are inserted to a switching circuit of a pair of pomer transistors 15, 16, and the coils are selectively driven to energize a linear motor.
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