腕時計運針用ステップモータの高性能化
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概要
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A large increase in the efficiency of a step motor for driving the hands of a wristwatch is reported. Two main methods are used: strengthening the magnetic combination of a rotor magnet and a one-piece stator by narrowing the gap between them, and adjusting the detent torque by introducing a new structure that reduces the thickness of the rotor hole part of the stator, which generates the detent torque.
- 2001-04-15