JP6611498B2 - 振れ補正装置 - Google Patents
振れ補正装置 Download PDFInfo
- Publication number
- JP6611498B2 JP6611498B2 JP2015142685A JP2015142685A JP6611498B2 JP 6611498 B2 JP6611498 B2 JP 6611498B2 JP 2015142685 A JP2015142685 A JP 2015142685A JP 2015142685 A JP2015142685 A JP 2015142685A JP 6611498 B2 JP6611498 B2 JP 6611498B2
- Authority
- JP
- Japan
- Prior art keywords
- drive
- drive coils
- unit
- magnetic flux
- magnets
- 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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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
- G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/035—DC motors; Unipolar motors
- H02K41/0352—Unipolar motors
- H02K41/0354—Lorentz force motors, e.g. voice coil motors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
- H04N23/663—Remote control of cameras or camera parts, e.g. by remote control devices for controlling interchangeable camera parts based on electronic image sensor signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/681—Motion detection
- H04N23/6812—Motion detection based on additional sensors, e.g. acceleration sensors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/682—Vibration or motion blur correction
- H04N23/685—Vibration or motion blur correction performed by mechanical compensation
- H04N23/687—Vibration or motion blur correction performed by mechanical compensation by shifting the lens or sensor position
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B2205/0007—Movement of one or more optical elements for control of motion blur
- G03B2205/0015—Movement of one or more optical elements for control of motion blur by displacing one or more optical elements normal to the optical axis
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B2205/0007—Movement of one or more optical elements for control of motion blur
- G03B2205/0038—Movement of one or more optical elements for control of motion blur by displacing the image plane with respect to the optical axis
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B2205/0053—Driving means for the movement of one or more optical element
- G03B2205/0069—Driving means for the movement of one or more optical element using electromagnetic actuators, e.g. voice coils
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/18—Machines moving with multiple degrees of freedom
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Optics & Photonics (AREA)
- Adjustment Of Camera Lenses (AREA)
- Studio Devices (AREA)
Description
PA:(lAcosAA,lAsinAA)
PB:(lBcosAB,lBsinAB)
PC:(lCcosAC,lCsinAC)
pa:(racosαa,rasinαa)
pb:(rbcosαb,rbsinαb)
pc:(rccosαc,rcsinαc)
ここで、lAは位置PAと原点OCとの距離であり、lBは位置PBと原点OCとの距離であり、lCは位置PCと原点OCとの距離である。また、AAはX軸と仮想線LAとのなす角であり、ABはX軸と仮想線LBとのなす角であり、ACはX軸と仮想線LCとのなす角である。また、raは位置paと原点OCとの距離であり、rbは位置pbと原点OCとの距離であり、rcは位置pcと原点OCとの距離である。また、αaはX軸と位置paと原点OCとを結ぶ仮想線Laとのなす角であり、αbはX軸と位置pbと原点OCとを結ぶ仮想線Lbとのなす角であり、αcはX軸と位置pcと原点OCとを結ぶ仮想線Lcとのなす角である。
以下、本実施形態の変形例を説明する。前述した駆動コイル31a、31b、31c及びホール素子32a、32b、32cの配置は、駆動コイル31a、31b、31cを構成する巻線の内側にホール素子32a、32b、32cが配置されない限りにおいては、特に限定されない。しかしながら、図5において、AA=210°、AB=330°、AC=90°、かつ、lA=lB=lC=lとなるように駆動コイル31a、31b、31cが配置され、αa=30°、αb=150°、αc=270°、かつ、ra=rb=rc=rとなるようにホール素子32a、32b、32cが配置されているとき、すなわち、図6のような配置関係(図2の配置関係と同じ)のときには、(式2)は、以下の(式3)のように簡略化される。
Claims (1)
- 3つの駆動コイルと前記3つの駆動コイルに対向して配置される3つの磁石とのうちの一方が配置された固定部と、
光学素子及び撮像素子の一方と前記3つの駆動コイル及び前記3つの磁石のうちの他方とが配置されていて、前記固定部に対して移動する可動部と、
前記固定部と前記可動部のうちの前記3つの磁石が配置されている方に配置された3つの検出用磁石と、
前記固定部と前記可動部のうちの前記3つの駆動コイルが配置されている方において前記3つの検出用磁石の各々に対向して配置されていて、前記3つの駆動コイルの各々を構成する巻き線の外側の位置に配置され、前記3つの検出用磁石との距離が変化することに伴う磁束の変化を検出する3つの検出部と、
前記3つの検出部からの出力に基づいて、前記3つの駆動コイルの作用点の移動量及び移動方向を演算する移動量演算部と、
前記移動量演算部からの出力に基づいて、前記3つの駆動コイルに流す電流を制御して前記可動部を移動させる駆動制御部と、
を具備し、
前記3つの駆動コイルは、各々の作用点を通り、各々の長辺に対して平行な仮想線が一点でクロスするように配置され、
前記3つの検出部及び前記3つの検出用磁石は、互いに隣接する駆動コイル間に1組ずつ配置され、
前記移動量演算部は、前記3つの検出部のうちの、2つの検出部からの出力または3つの検出部からの出力を用いて、前記3つの駆動コイルにおける、各駆動コイルの作用点の移動量及び作用点の移動方向を演算することを特徴とする振れ補正装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015142685A JP6611498B2 (ja) | 2015-07-17 | 2015-07-17 | 振れ補正装置 |
PCT/JP2016/062386 WO2017013912A1 (ja) | 2015-07-17 | 2016-04-19 | 振れ補正装置 |
CN201680002037.5A CN106662791A (zh) | 2015-07-17 | 2016-04-19 | 抖动校正装置 |
EP16827476.9A EP3327499A4 (en) | 2015-07-17 | 2016-04-19 | DEVICE FOR CORRECTING VIBRATIONS |
US15/363,845 US10502973B2 (en) | 2015-07-17 | 2016-11-29 | Shake correction device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015142685A JP6611498B2 (ja) | 2015-07-17 | 2015-07-17 | 振れ補正装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017026696A JP2017026696A (ja) | 2017-02-02 |
JP6611498B2 true JP6611498B2 (ja) | 2019-11-27 |
Family
ID=57834243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015142685A Expired - Fee Related JP6611498B2 (ja) | 2015-07-17 | 2015-07-17 | 振れ補正装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10502973B2 (ja) |
EP (1) | EP3327499A4 (ja) |
JP (1) | JP6611498B2 (ja) |
CN (1) | CN106662791A (ja) |
WO (1) | WO2017013912A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6728122B2 (ja) * | 2017-11-20 | 2020-07-22 | 株式会社タムロン | アクチュエータ、及びそれを備えたレンズユニット、カメラ |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4133990B2 (ja) * | 2004-10-01 | 2008-08-13 | 株式会社タムロン | アクチュエータ及びそれを備えたレンズユニット及びカメラ |
JP3952207B2 (ja) | 2004-12-15 | 2007-08-01 | 株式会社タムロン | アクチュエータ及びそれを備えたレンズユニット及びカメラ |
JP4844177B2 (ja) * | 2006-03-07 | 2011-12-28 | 株式会社ニコン | ブレ補正装置及びカメラ |
JP2008122532A (ja) * | 2006-11-09 | 2008-05-29 | Sony Corp | 像ぶれ補正装置、レンズ鏡筒及び撮像装置 |
JP2009092888A (ja) * | 2007-10-05 | 2009-04-30 | Nikon Corp | 光学機器 |
JP5266091B2 (ja) | 2009-02-24 | 2013-08-21 | 株式会社シグマ | 光学補正ユニット、レンズ鏡筒及び撮像装置 |
JP2011169715A (ja) * | 2010-02-18 | 2011-09-01 | Panasonic Corp | 位置検出機構 |
JP5722265B2 (ja) * | 2012-03-28 | 2015-05-20 | オリンパス株式会社 | 可動部材制御装置及びそれを備えた撮像装置 |
JP5954069B2 (ja) * | 2012-09-13 | 2016-07-20 | 株式会社タムロン | 防振アクチュエータ、及びそれを備えたレンズユニット、カメラ |
JP2015121637A (ja) * | 2013-12-24 | 2015-07-02 | ピーエス特機株式会社 | 手振れ補正ユニット |
JP6235450B2 (ja) * | 2014-12-08 | 2017-11-22 | 株式会社シグマ | 手振れ補正ユニット |
-
2015
- 2015-07-17 JP JP2015142685A patent/JP6611498B2/ja not_active Expired - Fee Related
-
2016
- 2016-04-19 EP EP16827476.9A patent/EP3327499A4/en not_active Withdrawn
- 2016-04-19 CN CN201680002037.5A patent/CN106662791A/zh active Pending
- 2016-04-19 WO PCT/JP2016/062386 patent/WO2017013912A1/ja active Application Filing
- 2016-11-29 US US15/363,845 patent/US10502973B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN106662791A (zh) | 2017-05-10 |
US20170075132A1 (en) | 2017-03-16 |
WO2017013912A1 (ja) | 2017-01-26 |
JP2017026696A (ja) | 2017-02-02 |
US10502973B2 (en) | 2019-12-10 |
EP3327499A4 (en) | 2019-03-20 |
EP3327499A1 (en) | 2018-05-30 |
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