| 摘要 |
An induction detecting rotary encoder has first to third transmitting windings, first to third receiving windings, and first to third flux coupling winding. The first transmitting winding, the first receiving winding, and the first flux coupling body constitute a first angle detection track generating a cyclic change for N 1 times per single rotation of the first rotor. The second transmitting winding, the second receiving winding, and the second flux coupling body constitute a second angle detection track generating a cyclic change for N 2 times per single rotation of the first rotor. The third transmitting winding, the third receiving winding, and the third flux coupling body constitute a third angle detection track generating a cyclic change for N 3 times per single rotation of the second rotor. N 1 , N 2 , and N 3 are different from one another, and N 3 is less than N 1 and N 2 .
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