发明名称 |
Magnetic type angle sensor |
摘要 |
A magnetic type angle sensor includes a rotary body having a first sensed part provided on a circumferential surface thereof with projecting parts and recessed parts at equal intervals in a circumferential direction thereof and a second sensed part provided on a circumferential surface thereof with a projecting parts at just one location, and a magnetic sensing device for sensing a change in a magnetic field along with rotation of the rotary body. The rotary body is formed with a plurality of projecting parts and recessed parts in a gear shape by gear cutting on the circumferential surface, then is cut with a groove at the center thereof in the axial direction thereof and has all projecting parts in a half section in the axial direction thereof cut off except for one.
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申请公布号 |
US7400141(B2) |
申请公布日期 |
2008.07.15 |
申请号 |
US20070709248 |
申请日期 |
2007.02.22 |
申请人 |
FANUC LTD |
发明人 |
TANIGUCHI MITSUYUKI;IMAI KEISUKE;NAGATOMO ICHIROU |
分类号 |
G01B7/30;B21D53/28;B23F1/00;G01B7/14;G01D5/245;H01L43/06 |
主分类号 |
G01B7/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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