| 摘要 |
An apparatus for an electromagnet is disclosed. The apparatus includes a magnetizable stationary core having first and second end portions and a side portion, a magnetizable movable armature disposed proximate the core for establishing a magnetic circuit therebetween, and a permanent magnet disposed between the first portion of the core and a first end of the armature. The armature is movable between a first position and a second position, the first position resulting in the first end of the armature being proximate the first end of the core.
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