JP4476614B2 - 磁気式ロータリポジションセンサ - Google Patents
磁気式ロータリポジションセンサ Download PDFInfo
- Publication number
- JP4476614B2 JP4476614B2 JP2003426233A JP2003426233A JP4476614B2 JP 4476614 B2 JP4476614 B2 JP 4476614B2 JP 2003426233 A JP2003426233 A JP 2003426233A JP 2003426233 A JP2003426233 A JP 2003426233A JP 4476614 B2 JP4476614 B2 JP 4476614B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnets
- center
- position sensor
- rotary position
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Transmission And Conversion Of Sensor Element Output (AREA)
Description
32a…第1のマグネット
32b…第2のマグネット
33a…磁気センサ
33b…磁気センサ
34…磁性材片
35…磁性材片
36…磁性材片
Claims (1)
- 円筒状のヨークの内面に半円筒状で内周面にN、S極が対向するように着磁された第1、第2のマグネットを対向させて配置し、上記第1、第2のマグネットによって発生する磁界中に上記第1、第2のマグネットに対して回転する磁電変換素子を配置し、上記ヨークの中心を中心としかつ上記磁電変換素子の磁界を検出する検出部の平面と平行であってかつ上記ヨークの中心線に直交する方向の外形寸法幅の1/2以上の値を半径とする円を考えたときに上記円の円周の接線方向の磁界成分を検出する位置に上記磁電変換素子を配置し、上記第1、第2のマグネットの円周長の中心部に磁性材片を配置したことを特徴とする磁気式ロータリポジションセンサ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003426233A JP4476614B2 (ja) | 2003-12-24 | 2003-12-24 | 磁気式ロータリポジションセンサ |
US10/901,028 US7023202B2 (en) | 2003-08-01 | 2004-07-29 | Magnetic rotary position sensor |
EP04254578A EP1503183A1 (en) | 2003-08-01 | 2004-07-30 | Magnetic rotary position sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003426233A JP4476614B2 (ja) | 2003-12-24 | 2003-12-24 | 磁気式ロータリポジションセンサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005181252A JP2005181252A (ja) | 2005-07-07 |
JP4476614B2 true JP4476614B2 (ja) | 2010-06-09 |
Family
ID=34785820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003426233A Expired - Fee Related JP4476614B2 (ja) | 2003-08-01 | 2003-12-24 | 磁気式ロータリポジションセンサ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4476614B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5621517B2 (ja) * | 2010-11-04 | 2014-11-12 | 株式会社デンソー | 液面検出装置 |
-
2003
- 2003-12-24 JP JP2003426233A patent/JP4476614B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2005181252A (ja) | 2005-07-07 |
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