JP4552698B2 - 磁気検出装置 - Google Patents
磁気検出装置 Download PDFInfo
- Publication number
- JP4552698B2 JP4552698B2 JP2005064407A JP2005064407A JP4552698B2 JP 4552698 B2 JP4552698 B2 JP 4552698B2 JP 2005064407 A JP2005064407 A JP 2005064407A JP 2005064407 A JP2005064407 A JP 2005064407A JP 4552698 B2 JP4552698 B2 JP 4552698B2
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- JP
- Japan
- Prior art keywords
- magnetic
- magnet
- detection device
- magnetic field
- magnetic detection
- 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)
- Measuring Magnetic Variables (AREA)
Description
Claims (3)
- 被検出体の回転軸に連結されて被検出体の回転に伴って回転すると共に、前記回転軸に対して180度回転対称に配置された正磁極と負磁極の着磁領域を有する磁石と、
前記磁石の回転に応じた検出信号を出力するものであり、当該磁石からの磁界ベクトルの方向が同じで強度が異なる位置に配置される複数のホール素子と、
前記複数のホール素子からの検出信号を差動出力する差動出力回路と、
を備えることを特徴とする磁気検出装置。 - 前記複数のホール素子は、前記磁石の回転軸上に並べて配置されることを特徴とする請求項1に記載の磁気検出装置。
- 前記磁石は、前記回転軸と垂直な平面を有する円柱形状であることを特徴とする請求項1又は請求項2に記載の磁気検出装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005064407A JP4552698B2 (ja) | 2005-03-08 | 2005-03-08 | 磁気検出装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005064407A JP4552698B2 (ja) | 2005-03-08 | 2005-03-08 | 磁気検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006250580A JP2006250580A (ja) | 2006-09-21 |
JP4552698B2 true JP4552698B2 (ja) | 2010-09-29 |
Family
ID=37091264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005064407A Expired - Fee Related JP4552698B2 (ja) | 2005-03-08 | 2005-03-08 | 磁気検出装置 |
Country Status (1)
Country | Link |
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JP (1) | JP4552698B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20190094008A1 (en) * | 2017-09-22 | 2019-03-28 | Toyo Denso Co., Ltd. | Throttle device |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5062450B2 (ja) * | 2010-08-11 | 2012-10-31 | Tdk株式会社 | 回転磁界センサ |
JP5062449B2 (ja) * | 2010-08-11 | 2012-10-31 | Tdk株式会社 | 回転磁界センサ |
US10509082B2 (en) | 2018-02-08 | 2019-12-17 | Nxp B.V. | Magnetoresistive sensor systems with stray field cancellation utilizing auxiliary sensor signals |
US10866117B2 (en) * | 2018-03-01 | 2020-12-15 | Allegro Microsystems, Llc | Magnetic field influence during rotation movement of magnetic target |
JP7156249B2 (ja) | 2019-11-08 | 2022-10-19 | Tdk株式会社 | 位置検出装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05157506A (ja) * | 1991-12-04 | 1993-06-22 | Nippondenso Co Ltd | スロットルポジションセンサ |
JPH0693921A (ja) * | 1992-09-10 | 1994-04-05 | Nippondenso Co Ltd | スロットル開度検出装置 |
JPH10122807A (ja) * | 1996-10-25 | 1998-05-15 | Nippon Seiki Co Ltd | 移動物体検出器 |
JPH11295022A (ja) * | 1998-04-13 | 1999-10-29 | Toyota Motor Corp | 回転角度センサ |
JP2000035471A (ja) * | 1998-07-17 | 2000-02-02 | Alps Electric Co Ltd | 巨大磁気抵抗効果素子を備えたポテンショメータ |
JP2002243407A (ja) * | 2001-02-14 | 2002-08-28 | Yaskawa Electric Corp | 回転角度検出器およびその装置 |
-
2005
- 2005-03-08 JP JP2005064407A patent/JP4552698B2/ja not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05157506A (ja) * | 1991-12-04 | 1993-06-22 | Nippondenso Co Ltd | スロットルポジションセンサ |
JPH0693921A (ja) * | 1992-09-10 | 1994-04-05 | Nippondenso Co Ltd | スロットル開度検出装置 |
JPH10122807A (ja) * | 1996-10-25 | 1998-05-15 | Nippon Seiki Co Ltd | 移動物体検出器 |
JPH11295022A (ja) * | 1998-04-13 | 1999-10-29 | Toyota Motor Corp | 回転角度センサ |
JP2000035471A (ja) * | 1998-07-17 | 2000-02-02 | Alps Electric Co Ltd | 巨大磁気抵抗効果素子を備えたポテンショメータ |
JP2002243407A (ja) * | 2001-02-14 | 2002-08-28 | Yaskawa Electric Corp | 回転角度検出器およびその装置 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20190094008A1 (en) * | 2017-09-22 | 2019-03-28 | Toyo Denso Co., Ltd. | Throttle device |
DE102018216046A1 (de) | 2017-09-22 | 2019-05-16 | Toyo Denso Co., Ltd. | Drosselvorrichtung |
US10900769B2 (en) | 2017-09-22 | 2021-01-26 | Toyo Denso Co., Ltd. | Throttle device |
Also Published As
Publication number | Publication date |
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JP2006250580A (ja) | 2006-09-21 |
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