GB2615663B - SMA actuator assemblies - Google Patents

SMA actuator assemblies Download PDF

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Publication number
GB2615663B
GB2615663B GB2305446.3A GB202305446A GB2615663B GB 2615663 B GB2615663 B GB 2615663B GB 202305446 A GB202305446 A GB 202305446A GB 2615663 B GB2615663 B GB 2615663B
Authority
GB
United Kingdom
Prior art keywords
sma actuator
actuator assemblies
assemblies
sma
actuator
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
GB2305446.3A
Other versions
GB2615663A (en
GB202305446D0 (en
Inventor
Van Wyk Peter
matthew bunting Stephen
Doust Alexander
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
Application filed by Cambridge Mechatronics Ltd filed Critical Cambridge Mechatronics Ltd
Publication of GB202305446D0 publication Critical patent/GB202305446D0/en
Publication of GB2615663A publication Critical patent/GB2615663A/en
Application granted granted Critical
Publication of GB2615663B publication Critical patent/GB2615663B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
    • 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
    • F03G7/06143—Wires
    • 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
    • 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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/02—Diaphragms
    • G03B9/06—Two or more co-operating pivoted blades, e.g. iris type
    • 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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
    • G03B9/18—More than two members
    • G03B9/22—More than two members each moving in one direction to open and then in opposite direction to close, e.g. iris type
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Studio Devices (AREA)
GB2305446.3A 2019-04-29 2020-04-29 SMA actuator assemblies Active GB2615663B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1905955.9A GB201905955D0 (en) 2019-04-29 2019-04-29 Sma actuator assemblies
GB2116542.8A GB2597208B (en) 2019-04-29 2020-04-29 SMA Actuator

Publications (3)

Publication Number Publication Date
GB202305446D0 GB202305446D0 (en) 2023-05-31
GB2615663A GB2615663A (en) 2023-08-16
GB2615663B true GB2615663B (en) 2024-03-27

Family

ID=66809163

Family Applications (4)

Application Number Title Priority Date Filing Date
GBGB1905955.9A Ceased GB201905955D0 (en) 2019-04-29 2019-04-29 Sma actuator assemblies
GB2116542.8A Active GB2597208B (en) 2019-04-29 2020-04-29 SMA Actuator
GB2305446.3A Active GB2615663B (en) 2019-04-29 2020-04-29 SMA actuator assemblies
GB2305447.1A Active GB2615664B (en) 2019-04-29 2020-04-29 SMA actuator assemblies

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GBGB1905955.9A Ceased GB201905955D0 (en) 2019-04-29 2019-04-29 Sma actuator assemblies
GB2116542.8A Active GB2597208B (en) 2019-04-29 2020-04-29 SMA Actuator

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB2305447.1A Active GB2615664B (en) 2019-04-29 2020-04-29 SMA actuator assemblies

Country Status (3)

Country Link
CN (1) CN113767219A (en)
GB (4) GB201905955D0 (en)
WO (1) WO2020222002A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117396805A (en) * 2021-07-27 2024-01-12 华为技术有限公司 Actuator assembly device, aperture system, method of operating an actuator assembly device and method of operating an aperture system
CN115150496A (en) * 2022-07-15 2022-10-04 宁波伟峰智能科技有限公司 Auxiliary equipment for underwater camera shooting of mobile phone

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005128450A (en) * 2003-10-27 2005-05-19 Kyocera Corp Diaphragm mechanism and camera using the diaphragm mechanism
US20120206615A1 (en) * 2007-05-09 2012-08-16 Konica Minolta Opto, Inc. Drive Unit and Drive Module
JP2013140303A (en) * 2012-01-06 2013-07-18 Tamron Co Ltd Diaphragm mechanism, and lens unit and camera including the same
KR20180092206A (en) * 2017-02-08 2018-08-17 엘지전자 주식회사 Camera module and camera device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3092951B2 (en) * 1990-06-18 2000-09-25 オリンパス光学工業株式会社 Endoscope diaphragm device
JPH05224136A (en) * 1992-02-07 1993-09-03 Olympus Optical Co Ltd Diaphragm device for endoscope
JPH07140401A (en) * 1993-11-22 1995-06-02 Olympus Optical Co Ltd Stop device of optical equipment
JPH1068979A (en) * 1996-08-29 1998-03-10 Copal Co Ltd Camera diaphragm mechanism
JP2006010723A (en) * 2004-06-22 2006-01-12 Sony Corp Switching mechanism and electronic equipment
KR101770856B1 (en) 2010-02-26 2017-09-05 캠브리지 메카트로닉스 리미티드 Sma actuation apparatus
CN107147831B (en) * 2017-05-31 2019-08-20 Oppo广东移动通信有限公司 Aperture assemblies, CCD camera assembly and the electronic equipment of camera
TWI648590B (en) * 2017-07-13 2019-01-21 致能機電工業股份有限公司 Mobile device with variable aperture function
US11105962B2 (en) * 2018-01-25 2021-08-31 Tdk Taiwan Corp. Optical system and control method for the optical system
CN108254994B (en) * 2018-03-29 2023-11-03 深圳市星河泉新材料有限公司 Automatic aperture adjusting structure and adjusting method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005128450A (en) * 2003-10-27 2005-05-19 Kyocera Corp Diaphragm mechanism and camera using the diaphragm mechanism
US20120206615A1 (en) * 2007-05-09 2012-08-16 Konica Minolta Opto, Inc. Drive Unit and Drive Module
JP2013140303A (en) * 2012-01-06 2013-07-18 Tamron Co Ltd Diaphragm mechanism, and lens unit and camera including the same
KR20180092206A (en) * 2017-02-08 2018-08-17 엘지전자 주식회사 Camera module and camera device

Also Published As

Publication number Publication date
GB2615663A (en) 2023-08-16
CN113767219A (en) 2021-12-07
GB2597208B (en) 2023-05-24
GB201905955D0 (en) 2019-06-12
GB2615664A (en) 2023-08-16
GB202305446D0 (en) 2023-05-31
WO2020222002A1 (en) 2020-11-05
GB2597208A (en) 2022-01-19
GB2615664B (en) 2024-02-28
GB202305447D0 (en) 2023-05-31
GB202116542D0 (en) 2021-12-29

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