JP2015210122A - 磁気検出器 - Google Patents
磁気検出器 Download PDFInfo
- Publication number
- JP2015210122A JP2015210122A JP2014090363A JP2014090363A JP2015210122A JP 2015210122 A JP2015210122 A JP 2015210122A JP 2014090363 A JP2014090363 A JP 2014090363A JP 2014090363 A JP2014090363 A JP 2014090363A JP 2015210122 A JP2015210122 A JP 2015210122A
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- JP
- Japan
- Prior art keywords
- magnetic
- current
- magnetic detector
- resistor
- hall
- 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.)
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- 238000001514 detection method Methods 0.000 claims description 30
- 239000003990 capacitor Substances 0.000 claims description 9
- 230000002265 prevention Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
Landscapes
- Measuring Magnetic Variables (AREA)
- Hall/Mr Elements (AREA)
Abstract
Description
Claims (5)
- 電源電圧が印加される電源端子、接地される接地端子、及び検出した磁界に応じた信号を出力する出力端子を備えた磁気検出素子と、
一端が前記磁気検出素子の前記出力端子に接続される共に他端が前記電源端子に接続された第1の抵抗素子と、
一端が前記電源端子に接続されると共に他端が前記接地端子に接地され、前記磁気検出素子に流入する電流を分流させる第2の抵抗素子と、
を含む磁気検出器。 - 前記第2の抵抗素子の前記一端と前記電源電圧との間に設けられ、前記磁気検出素子の前記出力端子から出力される信号に応じて変化する電流を検知する電流検知部をさらに含む請求項1記載の磁気検出器。
- 前記第2の抵抗素子と並列に接続されたコンデンサをさらに含む請求項1又は2記載の磁気検出器。
- 前記第2の抵抗素子の抵抗値を、前記磁気検出素子の電流規格値に基づいて定めた請求項1〜3のいずれか1項記載の磁気検出器。
- 前記磁気検出素子は、ホール素子と、コレクタを前記出力端子とすると共に、ベースに前記ホール素子が接続され、かつエミッタが接地されたトランジスタとを含む請求項1〜4のいずれか1項記載の磁気検出器。
Priority Applications (1)
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JP2014090363A JP6476583B2 (ja) | 2014-04-24 | 2014-04-24 | 磁気検出器 |
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JP2014090363A JP6476583B2 (ja) | 2014-04-24 | 2014-04-24 | 磁気検出器 |
Publications (2)
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JP2015210122A true JP2015210122A (ja) | 2015-11-24 |
JP6476583B2 JP6476583B2 (ja) | 2019-03-06 |
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JP2014090363A Expired - Fee Related JP6476583B2 (ja) | 2014-04-24 | 2014-04-24 | 磁気検出器 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115149617A (zh) * | 2022-07-22 | 2022-10-04 | 江苏芯云电子科技有限公司 | 一种用于插接件的监测装置、保护电路 |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5579693A (en) * | 1978-12-12 | 1980-06-16 | Secoh Giken Inc | Constant speed controller for dc motor capable of being regeneratively braked |
JPS5719682A (en) * | 1980-05-27 | 1982-02-01 | Sprague Electric Co | 2-terminal hole sensor |
JPS5722393A (en) * | 1980-07-14 | 1982-02-05 | Mitsubishi Electric Corp | Controlling device for transistor motor |
JPH05122981A (ja) * | 1991-10-29 | 1993-05-18 | Toshiba Corp | ブラシレスモータ |
US5218298A (en) * | 1992-03-02 | 1993-06-08 | Allegro Microsystems Inc. | Two-terminal-hall-sensors monitoring system for providing decoded magnetic field amplitude signals and system diagnostic signals |
JPH08129020A (ja) * | 1994-09-07 | 1996-05-21 | Yazaki Corp | 走行センサ |
JPH1068785A (ja) * | 1996-06-17 | 1998-03-10 | S I I R D Center:Kk | 電子機器 |
JPH10132836A (ja) * | 1996-10-30 | 1998-05-22 | Denso Corp | 回転検出装置 |
JPH10282158A (ja) * | 1997-04-11 | 1998-10-23 | Seiko Instr Inc | 電流検出回路 |
JP2006010370A (ja) * | 2004-06-23 | 2006-01-12 | Renesas Technology Corp | ホール素子のインタフェース回路およびそれを用いたシステム |
JP2011513748A (ja) * | 2008-03-06 | 2011-04-28 | アレグロ・マイクロシステムズ・インコーポレーテッド | 2端子線形センサ |
-
2014
- 2014-04-24 JP JP2014090363A patent/JP6476583B2/ja not_active Expired - Fee Related
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5579693A (en) * | 1978-12-12 | 1980-06-16 | Secoh Giken Inc | Constant speed controller for dc motor capable of being regeneratively braked |
JPS5719682A (en) * | 1980-05-27 | 1982-02-01 | Sprague Electric Co | 2-terminal hole sensor |
JPS5722393A (en) * | 1980-07-14 | 1982-02-05 | Mitsubishi Electric Corp | Controlling device for transistor motor |
JPH05122981A (ja) * | 1991-10-29 | 1993-05-18 | Toshiba Corp | ブラシレスモータ |
US5218298A (en) * | 1992-03-02 | 1993-06-08 | Allegro Microsystems Inc. | Two-terminal-hall-sensors monitoring system for providing decoded magnetic field amplitude signals and system diagnostic signals |
JPH08129020A (ja) * | 1994-09-07 | 1996-05-21 | Yazaki Corp | 走行センサ |
JPH1068785A (ja) * | 1996-06-17 | 1998-03-10 | S I I R D Center:Kk | 電子機器 |
JPH10132836A (ja) * | 1996-10-30 | 1998-05-22 | Denso Corp | 回転検出装置 |
JPH10282158A (ja) * | 1997-04-11 | 1998-10-23 | Seiko Instr Inc | 電流検出回路 |
JP2006010370A (ja) * | 2004-06-23 | 2006-01-12 | Renesas Technology Corp | ホール素子のインタフェース回路およびそれを用いたシステム |
JP2011513748A (ja) * | 2008-03-06 | 2011-04-28 | アレグロ・マイクロシステムズ・インコーポレーテッド | 2端子線形センサ |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115149617A (zh) * | 2022-07-22 | 2022-10-04 | 江苏芯云电子科技有限公司 | 一种用于插接件的监测装置、保护电路 |
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