发明名称 |
POSITION DETECTING DEVICE |
摘要 |
Disclosed is a position detecting device provided with a magnetoresistive element that can accurately detect a position using a magnet and a detector that moves opposite to the magnet. A front surface of a magnet having a circular shape is magnetized to the N-pole, and a rear surface thereof is magnetized to the S-pole. A detector moves in the X-Y plane at a position that is spaced from the front surface of the magnet. The detector is provided with an X direction detecting element and a Y direction detecting element. The X direction detecting element and the Y direction detecting element are magnetoresistive elements. The front surface of the magnet is tapered such that the center thereof protrudes.
|
申请公布号 |
US2008284420(A1) |
申请公布日期 |
2008.11.20 |
申请号 |
US20080035824 |
申请日期 |
2008.02.22 |
申请人 |
TAKEYA TSUTOMU;NOGUCHI TAKAFUMI;ONODERA TAKASHI |
发明人 |
TAKEYA TSUTOMU;NOGUCHI TAKAFUMI;ONODERA TAKASHI |
分类号 |
G01B7/14;G01R33/09 |
主分类号 |
G01B7/14 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|