| 摘要 |
<p>A tandem rotation detector is provided for effectively preventing the occurrence of leakage flux between rotation angle detection mechanisms so that high-precision detection can be always realized. The tandem rotation detector of the present invention includes a first rotation angle detection mechanism 2A configured to generate a magnetic flux through a coil 11A of a first outer core 10A provided inside a cylindrical housing 1 for detecting the rotation angle of a rotary shaft 4A arranged in the central portion of the housing 1, and a second rotation angle detection mechanism 2B, placed side by side with the first rotation angle detection mechanism 2A, and configured to generate a magnetic flux through a coil 11B of a second outer core 10B provided inside the housing 1 to detect the rotation angle of a rotary shaft 4B, in which current flows through the coil 11A of the first outer core 10A and the coil 11B of the second outer core 10B in different directions from each other.
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