| 摘要 |
A position selector device having:(a) an inverted cup-like base body with an upper portion and a side portion;(b) a substantially cylindrical rotary member mounted on a shaft, and arranged to rotate within the base body;(c) a first position sensor for sensing the angular position of the rotary member;(d) a toothed ring arranged to provide raster movement of the rotary member;(e) a disk disposed centrally within the upper portion of the base body and arranged for tilting and/or lateral displacement within the base body;(f) a second position sensor for sensing the tilting and/or lateral displacement; and(g) a magnet arrangement for restoring said disk to its central position in said base body after its tilting and/or lateral displacement movement.
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