GB2469759B - Control of a shape memory alloy actuation arrangement - Google Patents

Control of a shape memory alloy actuation arrangement

Info

Publication number
GB2469759B
GB2469759B GB1008651.0A GB201008651A GB2469759B GB 2469759 B GB2469759 B GB 2469759B GB 201008651 A GB201008651 A GB 201008651A GB 2469759 B GB2469759 B GB 2469759B
Authority
GB
United Kingdom
Prior art keywords
control
shape memory
memory alloy
actuation arrangement
alloy actuation
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.)
Active
Application number
GB1008651.0A
Other languages
English (en)
Other versions
GB2469759A (en
GB201008651D0 (en
Inventor
Richard Topliss
Robert John Leedham
David Charles William Richards
Thomas Matthew Gregory
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cambridge Mechatronics Ltd
Original Assignee
Cambridge Mechatronics Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GB0723613A external-priority patent/GB0723613D0/en
Priority claimed from GB0809017A external-priority patent/GB0809017D0/en
Application filed by Cambridge Mechatronics Ltd filed Critical Cambridge Mechatronics Ltd
Publication of GB201008651D0 publication Critical patent/GB201008651D0/en
Publication of GB2469759A publication Critical patent/GB2469759A/en
Application granted granted Critical
Publication of GB2469759B publication Critical patent/GB2469759B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/10—Power-operated focusing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
    • F03G7/061—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by the actuating element
    • F03G7/0614—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by the actuating element using shape memory elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
    • F03G7/065—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like using a shape memory element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
    • F03G7/066—Actuator control or monitoring
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Adjustment Of Camera Lenses (AREA)
  • Endoscopes (AREA)
GB1008651.0A 2007-12-03 2008-12-03 Control of a shape memory alloy actuation arrangement Active GB2469759B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0723613A GB0723613D0 (en) 2007-12-03 2007-12-03 SMA actuator control
GB0809017A GB0809017D0 (en) 2008-05-19 2008-05-19 SMA actuator control
PCT/GB2008/004015 WO2009071898A2 (en) 2007-12-03 2008-12-03 Control of a shape memory alloy actuation arrangement

Publications (3)

Publication Number Publication Date
GB201008651D0 GB201008651D0 (en) 2010-07-07
GB2469759A GB2469759A (en) 2010-10-27
GB2469759B true GB2469759B (en) 2012-08-22

Family

ID=40718263

Family Applications (3)

Application Number Title Priority Date Filing Date
GB1008651.0A Active GB2469759B (en) 2007-12-03 2008-12-03 Control of a shape memory alloy actuation arrangement
GB1207483.7A Active GB2491444B (en) 2007-12-03 2008-12-03 Control of a shape memory alloy actuation arrangement
GB1207482.9A Active GB2491684B (en) 2007-12-03 2008-12-03 Determination of ambient temperature of a shape memory alloy actuation arrangement

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB1207483.7A Active GB2491444B (en) 2007-12-03 2008-12-03 Control of a shape memory alloy actuation arrangement
GB1207482.9A Active GB2491684B (en) 2007-12-03 2008-12-03 Determination of ambient temperature of a shape memory alloy actuation arrangement

Country Status (4)

Country Link
US (1) US8756933B2 (https=)
JP (1) JP5221672B2 (https=)
GB (3) GB2469759B (https=)
WO (1) WO2009071898A2 (https=)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1999507B1 (en) * 2006-03-30 2011-09-07 Cambridge Mechatronics Limited Camera lens actuation apparatus
EP2261507A1 (en) * 2007-02-12 2010-12-15 Cambridge Mechatronics Limited Shape memory alloy actuation apparatus
WO2009056822A2 (en) * 2007-10-30 2009-05-07 Cambridge Mechatronics Limited Shape memory alloy actuation apparatus
WO2010012991A2 (en) * 2008-07-30 2010-02-04 Cambridge Mechatronics Limited Shape memory alloy actuation apparatus
JP5458101B2 (ja) 2008-09-12 2014-04-02 ケンブリッジ メカトロニクス リミテッド 光学画像安定化
EP2342459B1 (en) 2008-10-29 2012-09-19 Cambridge Mechatronics Limited Control of a shape memory alloy actuation arrangement
US8395855B2 (en) 2008-11-20 2013-03-12 Cambridge Mechatronics Limited Shape memory alloy actuation apparatus
WO2010073902A1 (ja) * 2008-12-24 2010-07-01 コニカミノルタオプト株式会社 形状記憶合金アクチュエータの駆動装置および該方法ならびにそれを用いた撮像装置
US8441749B2 (en) 2009-02-09 2013-05-14 Cambridge Mechatronics Limited Shape memory alloy actuation apparatus
EP2299339A1 (en) * 2009-09-16 2011-03-23 BAE Systems PLC Compensating for hysteresis
WO2011033282A1 (en) 2009-09-16 2011-03-24 Bae Systems Plc Compensating for hysteresis
WO2011033281A1 (en) 2009-09-16 2011-03-24 Bae Systems Plc Compensating for hysteresis
GB0919640D0 (en) * 2009-11-10 2009-12-23 Cambridge Mechatronics Ltd Optical image stabilisation
WO2011145463A1 (ja) * 2010-05-18 2011-11-24 コニカミノルタオプト株式会社 アクチュエータの駆動装置および駆動方法
WO2012038703A2 (en) 2010-09-22 2012-03-29 Cambridge Mechatronics Limited Optical image stabilisation
FI20116196A7 (fi) * 2011-11-29 2013-05-30 Adaptive Materials Tech Adaptamat Oy Menetelmä magneettisesta muistimetalliseoksesta koostuvaan elementiin indusoidun jännitteen tunnustamiseksi ja säätelemiseksi sekä magneettisesta muistimetalliseoksesta koostuva aktuaattori ja sensori
JP5800702B2 (ja) * 2011-12-21 2015-10-28 オリンパス株式会社 内視鏡システム
EP2635017B1 (en) * 2012-02-29 2016-11-30 Axis AB Monitoring camera
DE102012020310B4 (de) * 2012-10-16 2014-05-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Positionsregelung eines Aktors, Aktor und Computerprogramm-Speichermedium
GB201219422D0 (en) 2012-10-29 2012-12-12 Cambridge Mechatronics Ltd Bypassing current sense in an SMA actuator
GB201220485D0 (en) 2012-11-14 2012-12-26 Cambridge Mechatronics Ltd Control of an SMA actuation apparatus
TWM480697U (zh) * 2013-10-25 2014-06-21 Lontrend Corp 具有調溫功能之攝影機防護裝置
GB201521632D0 (en) 2015-12-08 2016-01-20 Cambridge Mechatronics Ltd Tilt compensation in an SMA actuator
GB201602100D0 (en) 2016-02-05 2016-03-23 Cambridge Mechatronics Ltd Opposing SMA Wire Autofocus
US11125453B2 (en) 2016-03-10 2021-09-21 Carrier Corporation Calibration of an actuator
GB201610039D0 (en) 2016-06-08 2016-07-20 Cambridge Mechatronics Ltd Dynamic centring of SMA actuator
CN109416496B (zh) 2016-07-22 2021-07-09 剑桥机电有限公司 照相机中的pwm屏蔽
GB201707542D0 (en) * 2017-05-11 2017-06-28 Cambridge Mechatronics Ltd Compact SMA shutter actuator
CN109959999B (zh) * 2017-12-22 2021-05-18 宁波舜宇光电信息有限公司 确定sma线的驱动功率和使用sma线驱动活动部件运动的方法
CN209375771U (zh) * 2018-01-25 2019-09-10 台湾东电化股份有限公司 光学系统
GB201815218D0 (en) 2018-09-18 2018-10-31 Cambridge Mechatronics Ltd Methods for controlling sma actuators
GB201816864D0 (en) 2018-10-16 2018-11-28 Cambridge Mechatronics Ltd Electromagnetic screening of an image sensor from an actuator in a camera
JP7190922B2 (ja) * 2019-01-30 2022-12-16 旭化成エレクトロニクス株式会社 制御装置および制御方法
US11585128B2 (en) 2019-05-29 2023-02-21 Faurecia Interior Systems, Inc. Actuator for a vehicle compartment
US10827246B1 (en) * 2019-07-23 2020-11-03 Bose Corporation Audio device
WO2021050589A1 (en) 2019-09-09 2021-03-18 Shifamed Holdings, Llc Adjustable shunts and associated systems and methods
CN112737271B (zh) * 2019-10-28 2022-10-11 华为技术有限公司 马达、摄像模组及移动终端
US11541820B2 (en) * 2020-03-30 2023-01-03 Faurecia Interior Systems, Inc. Actuator for a vehicle compartment
US11622695B1 (en) 2020-04-23 2023-04-11 Shifamed Holdings, Llc Intracardiac sensors with switchable configurations and associated systems and methods
US12440656B2 (en) 2020-04-23 2025-10-14 Shifamed Holdings, Llc Power management for interatrial shunts and associated systems and methods
JP2021189806A (ja) * 2020-05-29 2021-12-13 旭化成エレクトロニクス株式会社 制御装置および制御方法
CN116367795A (zh) * 2020-08-25 2023-06-30 施菲姆德控股有限责任公司 可调节的心房间分流器及相关联的系统和方法
US11857197B2 (en) 2020-11-12 2024-01-02 Shifamed Holdings, Llc Adjustable implantable devices and associated methods
EP4304700A4 (en) 2021-03-09 2025-03-19 Shifamed Holdings, LLC Shape memory actuators for adjustable maneuvering systems and associated systems and methods
CN113534570B (zh) * 2021-06-23 2022-04-26 广东海德亚科技有限公司 Sma线对的驱动方法、致动结构及存储介质
US12383066B2 (en) 2022-04-26 2025-08-12 Toyota Motor Engineering & Manufacturing North America, Inc. Chair with shape memory material-based movement synchronized with visual content
US12241458B2 (en) 2023-02-16 2025-03-04 Toyota Motor Engineering & Manufacturing North America, Inc. Actuator with contracting member
US12270386B2 (en) 2023-02-16 2025-04-08 Toyota Motor Engineering & Manufacturing North America, Inc. Shape memory material member-based actuator
US12152570B2 (en) 2023-02-22 2024-11-26 Toyota Motor Engineering & Manufacturing North America, Inc. Shape memory material member-based actuator with electrostatic clutch preliminary class
US12163507B2 (en) 2023-02-22 2024-12-10 Toyota Motor Engineering & Manufacturing North America, Inc. Contracting member-based actuator with clutch
US12234811B1 (en) 2023-08-21 2025-02-25 Toyota Motor Engineering & Manufacturing North America, Inc. Monitoring a state of a shape memory material member
US12589512B2 (en) 2023-12-28 2026-03-31 Toyota Motor Engineering & Manufacturing North America, Inc. Shearing tool with closure assist

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5459544A (en) * 1993-02-01 1995-10-17 Konica Corporation Camera with a shape memory alloy member
US20020001467A1 (en) * 1997-05-01 2002-01-03 Yoshiharu Tanaka Driving mechanism using shape-memory alloy
US20020113499A1 (en) * 2001-02-22 2002-08-22 Von Behrens Peter E. SMA actuator with improved temperature control
US6459855B1 (en) * 1999-05-18 2002-10-01 Minolta Co., Ltd. Actuator
WO2007113478A1 (en) * 2006-03-30 2007-10-11 1...Limited Camera lens actuation apparatus
EP2246564A1 (en) * 2008-01-23 2010-11-03 Konica Minolta Opto, Inc. Drive device
EP2261507A1 (en) * 2007-02-12 2010-12-15 Cambridge Mechatronics Limited Shape memory alloy actuation apparatus

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4930494A (en) * 1988-03-09 1990-06-05 Olympus Optical Co., Ltd. Apparatus for bending an insertion section of an endoscope using a shape memory alloy
JP2672110B2 (ja) * 1988-04-13 1997-11-05 オリンパス光学工業株式会社 形状記憶アクチュエータ
US4977886A (en) * 1989-02-08 1990-12-18 Olympus Optical Co., Ltd. Position controlling apparatus
US5900995A (en) * 1994-11-25 1999-05-04 Canon Kabushiki Kaisha Driving device and optical apparatus
US5685149A (en) * 1995-11-14 1997-11-11 Tcam Technologies, Inc. Proportionally controlled thermochemical mechanical actuator
US5763979A (en) * 1996-02-29 1998-06-09 The United States Of America As Represented By The Secretary Of The Navy Actuation system for the control of multiple shape memory alloy elements
JPH11324896A (ja) 1998-03-13 1999-11-26 Minolta Co Ltd 形状記憶合金を使用した駆動機構
US7028474B2 (en) * 1998-10-16 2006-04-18 Silverbook Research Pty Ltd Micro-electromechanical actuator with control logic circuitry
NZ516970A (en) * 1999-08-12 2004-01-30 Nano Muscle Inc Shape-memory alloy actuators and control methods
JP2001142105A (ja) * 1999-11-16 2001-05-25 Minolta Co Ltd 形状記憶合金を使用したアクチエータ
JP2001263221A (ja) 2000-03-22 2001-09-26 Minolta Co Ltd 形状記憶合金を含むアクチュエータを用いた制御装置
US6434932B2 (en) * 2000-03-23 2002-08-20 Minolta Co., Ltd. Control mechanism with actuator employing shape memory alloy and method for adjusting servo control of the control mechanism
US6945045B2 (en) * 2001-10-01 2005-09-20 Minolta Co., Ltd. Driving apparatus
JP2004198503A (ja) 2002-12-16 2004-07-15 Fuji Electric Holdings Co Ltd 有機薄膜発光ディスプレイおよびその制御方法
JP3956877B2 (ja) 2003-03-18 2007-08-08 株式会社デンソー センサ用温度補正装置およびセンサの温度補正方法
US20050031140A1 (en) * 2003-08-07 2005-02-10 Tymphany Corporation Position detection of an actuator using a capacitance measurement
US7561202B2 (en) * 2003-08-21 2009-07-14 Konica Minolta Opto, Inc. Image device with lens adjustment for various environmental conditions
EP1676030A4 (en) * 2003-09-05 2007-01-24 Alfmeier Praez Ag DEVICE AND METHOD FOR COST-EFFECTIVE CONTROL OF MEMORY METAL ALLOY ADJUSTING MEMBERS
BR0305447A (pt) * 2003-11-25 2005-08-09 Brasil Compressores Sa Sistema e método de ajuste de set point de temperatura de um sistema de refrigeração e medição de uma temperatura de um ambiente, conjunto sensor
SG112941A1 (en) * 2003-12-22 2005-07-28 Inventio Ag Thermal protection of electromagnetic actuators
WO2005075823A1 (en) 2004-02-09 2005-08-18 The Australian National University A shape memory alloy actuator
DE602004005578T2 (de) * 2004-06-10 2007-12-13 C.R.F. Società Consortile per Azioni, Orbassano Verfahren und System zur Regelung von Aktuatoren aus Formgedächtnislegierungen
JP4857550B2 (ja) * 2004-12-06 2012-01-18 コニカミノルタホールディングス株式会社 駆動装置および駆動システム
US7637105B2 (en) * 2005-04-04 2009-12-29 Telezygology Inc. Smart memory alloy control
JP2007004121A (ja) * 2005-05-27 2007-01-11 Konica Minolta Opto Inc モータ、モータ装置及びそれを用いるレンズ駆動機構
JP4747679B2 (ja) 2005-05-30 2011-08-17 コニカミノルタホールディングス株式会社 駆動装置
KR101277339B1 (ko) 2005-08-11 2013-06-20 코니카 미놀타 어드밴스드 레이어즈 인코포레이티드 구동 장치, 촬상 장치 및 렌즈 구동 방법
JP4775115B2 (ja) 2006-05-29 2011-09-21 コニカミノルタオプト株式会社 長さ制御装置、長さ制御プログラム及びレンズ駆動装置
GB2467481B (en) * 2007-02-12 2011-03-23 Cambridge Mechatronics Ltd Shape memory alloy actuation apparatus
US7974025B2 (en) * 2007-04-23 2011-07-05 Cambridge Mechatronics Limited Shape memory alloy actuation apparatus
JP4952364B2 (ja) 2007-05-07 2012-06-13 コニカミノルタオプト株式会社 駆動ユニットおよび可動モジュール
JP4957366B2 (ja) * 2007-05-09 2012-06-20 コニカミノルタアドバンストレイヤー株式会社 カメラモジュールおよびカメラモジュールの駆動方法
JP4946675B2 (ja) * 2007-07-05 2012-06-06 コニカミノルタオプト株式会社 形状記憶合金の駆動装置およびそれを用いる撮像装置ならびに形状記憶合金の駆動方法
TWI354844B (en) * 2007-09-27 2011-12-21 Au Optronics Corp Liquid crystal display panel
WO2009056822A2 (en) * 2007-10-30 2009-05-07 Cambridge Mechatronics Limited Shape memory alloy actuation apparatus
US8448434B2 (en) * 2007-11-12 2013-05-28 Konica Minolta Opto, Inc. Shape memory alloy drive device
US20110031924A1 (en) * 2007-11-30 2011-02-10 Konica Minolta Opto, Inc. Shape memory alloy driver
JP4883187B2 (ja) * 2007-11-30 2012-02-22 コニカミノルタオプト株式会社 形状記憶合金駆動装置
JP4756094B2 (ja) 2008-01-15 2011-08-24 コニカミノルタオプト株式会社 アクチュエータ駆動制御装置及びレンズユニット駆動装置
JP4913096B2 (ja) * 2008-06-09 2012-04-11 オリンパス株式会社 形状記憶合金アクチュエータシステム
GB2462291B (en) * 2008-07-31 2012-07-18 E2V Tech Uk Ltd Multi-toroid transformer

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5459544A (en) * 1993-02-01 1995-10-17 Konica Corporation Camera with a shape memory alloy member
US20020001467A1 (en) * 1997-05-01 2002-01-03 Yoshiharu Tanaka Driving mechanism using shape-memory alloy
US6459855B1 (en) * 1999-05-18 2002-10-01 Minolta Co., Ltd. Actuator
US20020113499A1 (en) * 2001-02-22 2002-08-22 Von Behrens Peter E. SMA actuator with improved temperature control
WO2007113478A1 (en) * 2006-03-30 2007-10-11 1...Limited Camera lens actuation apparatus
EP2261507A1 (en) * 2007-02-12 2010-12-15 Cambridge Mechatronics Limited Shape memory alloy actuation apparatus
EP2246564A1 (en) * 2008-01-23 2010-11-03 Konica Minolta Opto, Inc. Drive device

Also Published As

Publication number Publication date
GB2469759A (en) 2010-10-27
JP2011506813A (ja) 2011-03-03
GB2491684A (en) 2012-12-12
GB201207482D0 (en) 2012-06-13
GB201207483D0 (en) 2012-06-13
GB201008651D0 (en) 2010-07-07
US20100275592A1 (en) 2010-11-04
GB2491444B (en) 2013-07-10
GB2491444A (en) 2012-12-05
WO2009071898A2 (en) 2009-06-11
GB2491684B (en) 2013-04-24
JP5221672B2 (ja) 2013-06-26
WO2009071898A3 (en) 2009-12-10
US8756933B2 (en) 2014-06-24

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