JP2006250857A5 - - Google Patents
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- JP2006250857A5 JP2006250857A5 JP2005070775A JP2005070775A JP2006250857A5 JP 2006250857 A5 JP2006250857 A5 JP 2006250857A5 JP 2005070775 A JP2005070775 A JP 2005070775A JP 2005070775 A JP2005070775 A JP 2005070775A JP 2006250857 A5 JP2006250857 A5 JP 2006250857A5
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- Prior art keywords
- magnetic
- unit
- relative movement
- magnetism
- blur correction
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Claims (9)
前記磁気検出部と対向して設けられ、この磁気検出部に対して所定の平面に沿って平行に相対移動する相対移動部とを備える位置検出装置において、
前記相対移動部は、
Ｎ極及びＳ極が前記相対移動方向に配列され、前記Ｎ極及びＳ極それぞれの磁化領域は、前記相対移動方向と略直交する方向に離間して複数配置され、
複数の前記磁化領域の間に、前記相対移動方向に延在する無磁化領域をそれぞれ配置したこと
を特徴とする位置検出装置。 A magnetic detector;
In a position detection device provided with a relative movement unit that is provided opposite to the magnetic detection unit and relatively moves in parallel along a predetermined plane with respect to the magnetic detection unit,
The relative movement unit is
N and S poles are arranged in the relative movement direction, and a plurality of magnetization regions of each of the N and S poles are arranged apart from each other in a direction substantially perpendicular to the relative movement direction,
A non-magnetized region extending in the relative movement direction is disposed between the plurality of magnetized regions, respectively.
前記磁気検出部と対向して設けられ、この磁気検出部に対して所定の平面に沿って平行に相対移動する相対移動部とを備える位置検出装置において、
前記相対移動部は、
前記相対移動方向に配置されたＮ極及びＳ極を有し、
前記Ｎ極、Ｓ極の少なくとも一方は、前記相対移動方向と略直交する方向における中間部にその両側の領域よりも磁束密度が低い低磁化領域を配置したこと
を特徴とする位置検出装置。 A magnetic detector;
In a position detection device provided with a relative movement unit that is provided opposite to the magnetic detection unit and relatively moves in parallel along a predetermined plane with respect to the magnetic detection unit,
The relative movement unit is
Having an N pole and an S pole arranged in the relative movement direction;
At least one of the N pole and the S pole is provided with a low magnetization region having a lower magnetic flux density than regions on both sides of the intermediate portion in a direction substantially orthogonal to the relative movement direction.
前記磁気検出部と対向して設けられ、この磁気検出部に対して所定の平面に沿って平行に相対移動する相対移動部とを備える位置検出装置において、
前記相対移動部は、
前記相対移動方向に配置されたＮ極及びＳ極を有し、
前記Ｎ極、Ｓ極がそれぞれ前記磁気検出部に対向する面部の少なくとも一方の前記相対移動方向と略直交する方向における中間部に凹部を形成したこと
を特徴とする位置検出装置。 A magnetic detector;
In a position detection device provided with a relative movement unit that is provided opposite to the magnetic detection unit and relatively moves in parallel along a predetermined plane with respect to the magnetic detection unit,
The relative movement unit is
Having an N pole and an S pole arranged in the relative movement direction;
A position detecting device, wherein a concave portion is formed in an intermediate portion in a direction substantially perpendicular to the relative movement direction of at least one of the surface portions of the N pole and S pole facing the magnetic detection portion.
前記ブレ補正光学系を、その光軸に直交する平面に略沿って移動可能に支持するブレ補正光学系支持部と、
前記ブレ補正光学系を前記ブレ補正光学系支持部に対してその光軸と略直交する方向に駆動する駆動部と、
前記ブレ補正光学系及び前記ブレ補正光学系支持部の一方に固定された磁気検出部及び他方に固定された相対移動部を有する請求項１から請求項３までのいずれか１項に記載の位置検出装置と
を備えるブレ補正装置。 An image stabilization optical system;
A blur correction optical system support unit that supports the blur correction optical system movably along a plane orthogonal to the optical axis;
A drive unit that drives the blur correction optical system in a direction substantially orthogonal to the optical axis with respect to the blur correction optical system support;
The position according to any one of claims 1 to 3, further comprising: a magnetic detection unit fixed to one of the blur correction optical system and the blur correction optical system support unit, and a relative movement unit fixed to the other. A blur correction device comprising: a detection device.
前記所定方向に沿った他端側に備えられ前記第１の磁気発生部とは異なる極性の磁気を発生させる第２の磁気発生部と、A second magnetism generator that is provided on the other end side along the predetermined direction and generates magnetism having a polarity different from that of the first magnetism generator;
前記所定方向に沿って前記第１の磁気発生部および前記第２の磁気発生部に形成され、前記第１の磁気発生部および前記第２の磁気発生部よりも低い磁気を発生する低磁気部と、A low magnetic unit that is formed in the first magnetic generation unit and the second magnetic generation unit along the predetermined direction and generates a lower magnetism than the first magnetic generation unit and the second magnetic generation unit When,
前記所定方向に沿って前記第１の磁気発生部および前記第２の磁気発生部と相対移動可能であり、前記第１の磁気発生部および前記第２の磁気発生部から生じる前記磁気を検出する磁気検装置とを備えることを特徴とする位置検出装置。The first magnetism generating unit and the second magnetism generating unit are movable relative to each other along the predetermined direction, and the magnetism generated from the first magnetism generating unit and the second magnetism generating unit is detected. A position detection device comprising a magnetic inspection device.
前記磁気検装置は、前記低磁気部と対向して前記所定方向に沿って前記第１の磁気発生部および前記第２の磁気発生部と相対移動可能であり、The magnetic inspection device is movable relative to the first magnetic generation unit and the second magnetic generation unit along the predetermined direction so as to face the low magnetic unit,
前記第１の磁気発生部および前記第２の磁気発生部は、前記所定方向に沿って前記磁気検装置と相対移動するとき、前記磁気検装置で検出される前記磁気が前記所定方向の相対移動量に対して所定の出力特性で変化するように配置されていることを特徴とする位置検出装置。When the first magnetic generation unit and the second magnetic generation unit move relative to the magnetic detection device along the predetermined direction, the magnetism detected by the magnetic detection device is relatively moved in the predetermined direction. A position detecting device, wherein the position detecting device is arranged so as to change with a predetermined output characteristic with respect to a quantity.
前記低磁気部は、前記所定方向と直交する方向に沿って前記第１の磁気発生部および前記第２の磁気発生部と前記磁気検装置とが相対移動するとき、When the low magnetic part relatively moves along the direction perpendicular to the predetermined direction, the first magnetic generation unit and the second magnetic generation unit and the magnetic inspection device,
前記磁気検装置で検出される前記磁気の誤差成分が抑制されるように配置されていることを特徴とする位置検出装置。The position detecting device is arranged so as to suppress the magnetic error component detected by the magnetic detecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005070775A JP4655701B2 (en) | 2005-03-14 | 2005-03-14 | Position detection device, blur correction device, and lens barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005070775A JP4655701B2 (en) | 2005-03-14 | 2005-03-14 | Position detection device, blur correction device, and lens barrel |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006250857A JP2006250857A (en) | 2006-09-21 |
| JP2006250857A5 true JP2006250857A5 (en) | 2008-05-08 |
| JP4655701B2 JP4655701B2 (en) | 2011-03-23 |
Family
ID=37091519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005070775A Expired - Fee Related JP4655701B2 (en) | 2005-03-14 | 2005-03-14 | Position detection device, blur correction device, and lens barrel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4655701B2 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101438233B1 (en) | 2005-10-25 | 2014-09-05 | 가부시키가이샤 니콘 | Position detecting apparatus and optical device |
| JP4859792B2 (en) * | 2007-08-30 | 2012-01-25 | トッパン・フォームズ株式会社 | Mark detection system |
| JP4823174B2 (en) * | 2007-08-30 | 2011-11-24 | トッパン・フォームズ株式会社 | Form |
| JP6006534B2 (en) * | 2012-05-29 | 2016-10-12 | 旭化成エレクトロニクス株式会社 | Position detection device |
| JP6018417B2 (en) * | 2012-05-29 | 2016-11-02 | 旭化成エレクトロニクス株式会社 | Position detection device |
| KR101479637B1 (en) * | 2014-03-12 | 2015-01-07 | 삼성전기주식회사 | Camera Module |
| KR102458711B1 (en) * | 2015-08-26 | 2022-10-25 | 엘지이노텍 주식회사 | Lens moving unit and camera module including the same |
| JP6986002B2 (en) * | 2018-11-26 | 2021-12-22 | Tdk株式会社 | Magnetic sensor device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54164155A (en) * | 1978-06-16 | 1979-12-27 | Suwa Seikosha Kk | Positional detector |
| JPH0898488A (en) * | 1994-09-22 | 1996-04-12 | Nippon Seiko Kk | Three-phase brushless motor |
| JP3332620B2 (en) * | 1994-11-08 | 2002-10-07 | キヤノン株式会社 | Position detection device |
| JP3605968B2 (en) * | 1996-10-30 | 2004-12-22 | 株式会社デンソー | Rotation angle sensor |
| JP3726698B2 (en) * | 2001-04-19 | 2005-12-14 | アイシン精機株式会社 | Angle sensor |
| JP3842644B2 (en) * | 2001-11-19 | 2006-11-08 | 株式会社日本自動車部品総合研究所 | Displacement sensor |
| JP4228715B2 (en) * | 2003-02-17 | 2009-02-25 | 株式会社ニコン | Blur correction device and lens barrel |
-
2005
- 2005-03-14 JP JP2005070775A patent/JP4655701B2/en not_active Expired - Fee Related
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