Pulser ring for magnetic rotary encoder



A pulser ring for a magnetic rotary encoder, wherein a magnetized layer (12) formed of a material made by mixing a magnetic powder in a rubber-like elastic material or a synthetic resin material and magnetized, by multipolar magnetization, at specified pitches in the circumferential direction is integrally joined to an annular holder (11) fitted to a rotary body. A portion different from the other portions in cross section is formed, by a raised part (11c), at a part of the joining part (11a) of the holder (11) to the magnetized layer (12) in the circumferential direction. Since a singular point of signal level due to a difference in the size of a magnetic field is formed at that portion, the singular point is used as an original point for measuring a rotating angle.




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    CN-103635811-AMarch 12, 2014大陆-特韦斯贸易合伙股份公司及两合公司用于测量角度和角速度或者位移和速度的装置
    CN-103635811-BNovember 25, 2015大陆-特韦斯贸易合伙股份公司及两合公司用于测量角度和角速度或者位移和速度的装置