JP2007121556A5 - - Google Patents

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Publication number
JP2007121556A5
JP2007121556A5 JP2005311728A JP2005311728A JP2007121556A5 JP 2007121556 A5 JP2007121556 A5 JP 2007121556A5 JP 2005311728 A JP2005311728 A JP 2005311728A JP 2005311728 A JP2005311728 A JP 2005311728A JP 2007121556 A5 JP2007121556 A5 JP 2007121556A5
Authority
JP
Japan
Prior art keywords
actuator
magnet
lens group
moving lens
amount adjusting
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.)
Pending
Application number
JP2005311728A
Other languages
Japanese (ja)
Other versions
JP2007121556A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2005311728A priority Critical patent/JP2007121556A/en
Priority claimed from JP2005311728A external-priority patent/JP2007121556A/en
Publication of JP2007121556A publication Critical patent/JP2007121556A/en
Publication of JP2007121556A5 publication Critical patent/JP2007121556A5/ja
Pending legal-status Critical Current

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Claims (4)

駆動方向と垂直に磁化されたマグネットと、前記マグネットと所定の間隙を有して配置され、前記マグネットの発生する磁束と直交するように電流を通電することにより前記駆動方向に移動可能なコイルと、を有するアクチュエータと、
前記アクチュエータにより前記駆動方向に前記コイルと一体的に駆動される移動レンズ群と、
前記移動レンズ群を通過する光の光量を調節する光量調節手段と、
を備え、
前記駆動方向は、前記移動レンズ群を通過する光の光軸に垂直な方向であり、
前記光量調節手段は、前記アクチュエータおよび前記移動レンズ群に対して、前記移動レンズ群を通過する光の出射側に配置されていることを特徴とする、
レンズ鏡筒。
A magnet magnetized perpendicularly to the drive direction, and a coil that is arranged with a predetermined gap from the magnet and is movable in the drive direction by passing a current so as to be orthogonal to the magnetic flux generated by the magnet; An actuator having
A moving lens group driven integrally with the coil in the drive direction by the actuator;
A light amount adjusting means for adjusting the amount of light passing through the moving lens group;
With
The driving direction is a direction perpendicular to the optical axis of light passing through the moving lens group,
The light amount adjusting means is disposed on an emission side of light passing through the moving lens group with respect to the actuator and the moving lens group,
Lens barrel.
駆動方向と垂直に磁化されたマグネットと、前記マグネットと所定の間隙を有して配置され、前記マグネットの発生する磁束と直交するように電流を通電することにより前記駆動方向に移動可能なコイルと、を有するアクチュエータと、
前記アクチュエータにより前記駆動方向に前記コイルと一体的に駆動される移動レンズ群と、
前記移動レンズ群を通過する光の光量を調節する光量調節機構と、前記光量調節機構を駆動する光量調節機構用アクチュエータと、を有する光量調節手段と、
を備え、
前記駆動方向は、前記移動レンズ群を通過する光の光軸に垂直な方向であり、
前記光量調節機構用アクチュエータは、前記アクチュエータに対して、前記光軸を挟んで対向する位置に配置されていることを特徴とする、
レンズ鏡筒。
A magnet magnetized perpendicularly to the drive direction, and a coil that is arranged with a predetermined gap from the magnet and is movable in the drive direction by passing a current so as to be orthogonal to the magnetic flux generated by the magnet; An actuator having
A moving lens group driven integrally with the coil in the drive direction by the actuator;
A light amount adjusting means having a light amount adjusting mechanism for adjusting the amount of light passing through the moving lens group, and a light amount adjusting mechanism actuator for driving the light amount adjusting mechanism;
With
The driving direction is a direction perpendicular to the optical axis of light passing through the moving lens group,
The light quantity adjusting mechanism actuator is disposed at a position facing the actuator across the optical axis,
Lens barrel.
前記マグネットを挟んで前記コイルと反対側および前記コイルを挟んで前記マグネットと反対側のうちの少なくともいずれかには磁性体が配置されていることを特徴とする、
請求項1または2に記載のレンズ鏡筒。
A magnetic material is disposed on at least one of the side opposite to the coil and the side opposite to the magnet across the magnet,
The lens barrel according to claim 1 or 2.
前記アクチュエータと前記光量調節機構用アクチュエータとは、光軸方向に少なくとも一部が重なるように配置されていることを特徴とする、
請求項2に記載のレンズ鏡筒
The actuator and the light amount adjusting mechanism actuator are arranged so that at least a part thereof overlaps in the optical axis direction,
The lens barrel according to claim 2 .
JP2005311728A 2005-10-26 2005-10-26 Lens barrel Pending JP2007121556A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005311728A JP2007121556A (en) 2005-10-26 2005-10-26 Lens barrel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005311728A JP2007121556A (en) 2005-10-26 2005-10-26 Lens barrel

Publications (2)

Publication Number Publication Date
JP2007121556A JP2007121556A (en) 2007-05-17
JP2007121556A5 true JP2007121556A5 (en) 2008-12-04

Family

ID=38145481

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005311728A Pending JP2007121556A (en) 2005-10-26 2005-10-26 Lens barrel

Country Status (1)

Country Link
JP (1) JP2007121556A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009093001A (en) * 2007-10-10 2009-04-30 Konica Minolta Opto Inc Imaging apparatus and electronic equipment
JP5448629B2 (en) * 2009-08-06 2014-03-19 キヤノン株式会社 Optical unit and optical equipment
JP6037313B2 (en) 2011-11-11 2016-12-07 パナソニックIpマネジメント株式会社 Lens barrel
JP6485727B2 (en) * 2014-02-24 2019-03-20 コニカミノルタ株式会社 Blur correction device, lens unit, imaging device, and actuator
JPWO2019187634A1 (en) 2018-03-30 2021-05-13 ソニーグループ株式会社 Drive device, lens barrel and image pickup device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3044930B2 (en) * 1992-06-19 2000-05-22 キヤノン株式会社 Image stabilization device
JPH05289140A (en) * 1992-04-09 1993-11-05 Canon Inc Camera
JPH0764143A (en) * 1993-08-26 1995-03-10 Nikon Corp Camera-shake correcting camera
JPH09269520A (en) * 1996-03-29 1997-10-14 Canon Inc Image blurring correcting device
JPH11305280A (en) * 1998-04-27 1999-11-05 Canon Inc Camera provided with vibration-proof function
JP3590566B2 (en) * 1999-05-21 2004-11-17 ペンタックス株式会社 Image stabilization device
JP2001264840A (en) * 2000-03-23 2001-09-26 Canon Inc Blurring correcting device and optical device
JP2003098414A (en) * 2001-09-20 2003-04-03 Canon Inc Shake correcting device and optical instrument
JP2003222918A (en) * 2002-01-29 2003-08-08 Matsushita Electric Ind Co Ltd Lens barrel and imaging device using the same
JP2004333554A (en) * 2003-04-30 2004-11-25 Canon Inc Light quantity adjusting device, photographing device and filter
JP2005106970A (en) * 2003-09-29 2005-04-21 Nidec Copal Corp Exposure adjustment device for camera

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