发明名称 |
Magnetic detector |
摘要 |
A magnetic detector capable of being easily assembled and diminishing fluctuation in magnetic detection accuracy includes: magnetic resistance elements whose resistance value changes according to change in magnetic field generated by rotation of a multi-polarized rotor; an IC formed by integrating a signal processing circuit section that outputs a signal corresponding to multi-polarization of the rotor based on change in resistance values of the magnetic resistance elements; a lead frame mounted with the IC and connected to an external output terminal for externally outputting an output signal from the signal processing circuit section; a magnet applying a bias magnetic field to the magnetic resistance elements; and a magnetic guide for correcting lines of magnetic force from the magnet. The IC, lead frame and magnetic guide are preliminarily assembled to serve as a first assembly, and the magnet and external output terminal are preliminarily assembled to serve as a second assembly.
|
申请公布号 |
US6937010(B1) |
申请公布日期 |
2005.08.30 |
申请号 |
US20040978466 |
申请日期 |
2004.11.02 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
TAKASHIMA AKIRA;YOKOTANI MASAHIRO;SHINJO IZURU |
分类号 |
G01B7/30;G01D5/14;G01D5/16;G01D11/24;G01R33/09;(IPC1-7):G01B7/30 |
主分类号 |
G01B7/30 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|