JP2009008458A - 磁気式エンコーダ及びモータ - Google Patents
磁気式エンコーダ及びモータ Download PDFInfo
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- JP2009008458A JP2009008458A JP2007168262A JP2007168262A JP2009008458A JP 2009008458 A JP2009008458 A JP 2009008458A JP 2007168262 A JP2007168262 A JP 2007168262A JP 2007168262 A JP2007168262 A JP 2007168262A JP 2009008458 A JP2009008458 A JP 2009008458A
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- 238000001514 detection method Methods 0.000 claims abstract description 9
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- 238000000034 method Methods 0.000 abstract description 4
- 230000005389 magnetism Effects 0.000 abstract 1
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- 229910000679 solder Inorganic materials 0.000 description 3
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Abstract
【解決手段】所定の磁気パターンを有する回転体12の磁場を検出する磁気検出部(磁気抵抗素子13)を配置した基板(プリント配線基板13)と、前記基板とは別体の支持部材(シールド板14)と、前記支持部材に配置され、前記回転体の磁場と合成磁場を形成するバイアス磁石15を備える。
【選択図】 図1
Description
11 回転体
12 磁気抵抗素子
13 プリント配線基板
14 シールド板
15 バイアス磁石
16 位置決め用凹部
17 接着剤
20 モータ
21 駆動軸
Claims (4)
- 所定の磁気パターンを有する回転体の磁場を検出する磁気検出部を搭載した基板と、
前記基板とは別体の支持部材と、
前記支持部材に搭載され、前記回転体の磁場と合成磁場を形成するバイアス磁石と、
を備えてなることを特徴とする磁気式エンコーダ。 - 請求項1に記載の磁気式エンコーダにおいて、
前記支持部材は、前記基板と対向するように配置された、前記磁気検出部の電磁ノイズ防止用のシールド板であることを特徴とする磁気式エンコーダ。 - 請求項1又は2に記載の磁気式エンコーダにおいて、
前記支持部材は前記バイアス磁石を位置決めするための位置決め部が形成されていることを特徴とする磁気式エンコーダ。 - 請求項1乃至3の何れか一項に記載の磁気式エンコーダを備えたことを特徴とするモータ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2007168262A JP4967852B2 (ja) | 2007-06-26 | 2007-06-26 | 磁気式エンコーダ及びモータ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2007168262A JP4967852B2 (ja) | 2007-06-26 | 2007-06-26 | 磁気式エンコーダ及びモータ |
Publications (2)
Publication Number | Publication Date |
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JP2009008458A true JP2009008458A (ja) | 2009-01-15 |
JP4967852B2 JP4967852B2 (ja) | 2012-07-04 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007168262A Active JP4967852B2 (ja) | 2007-06-26 | 2007-06-26 | 磁気式エンコーダ及びモータ |
Country Status (1)
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JP (1) | JP4967852B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010271229A (ja) * | 2009-05-22 | 2010-12-02 | Nikon Corp | エンコーダ |
JP2019009885A (ja) * | 2017-06-23 | 2019-01-17 | 日本電産サンキョー株式会社 | モータ |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03131718A (ja) * | 1989-10-17 | 1991-06-05 | Tdk Corp | 磁気センサ |
JPH04309801A (ja) * | 1991-04-06 | 1992-11-02 | Aisan Ind Co Ltd | 回転角度センサ |
JPH05231812A (ja) * | 1992-02-18 | 1993-09-07 | Aisan Ind Co Ltd | 回転角度センサ |
JPH09243400A (ja) * | 1996-03-05 | 1997-09-19 | Nikon Corp | 磁気式エンコーダ |
-
2007
- 2007-06-26 JP JP2007168262A patent/JP4967852B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03131718A (ja) * | 1989-10-17 | 1991-06-05 | Tdk Corp | 磁気センサ |
JPH04309801A (ja) * | 1991-04-06 | 1992-11-02 | Aisan Ind Co Ltd | 回転角度センサ |
JPH05231812A (ja) * | 1992-02-18 | 1993-09-07 | Aisan Ind Co Ltd | 回転角度センサ |
JPH09243400A (ja) * | 1996-03-05 | 1997-09-19 | Nikon Corp | 磁気式エンコーダ |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010271229A (ja) * | 2009-05-22 | 2010-12-02 | Nikon Corp | エンコーダ |
JP2019009885A (ja) * | 2017-06-23 | 2019-01-17 | 日本電産サンキョー株式会社 | モータ |
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Publication number | Publication date |
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JP4967852B2 (ja) | 2012-07-04 |
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