GB2569668B - Shape memory alloy actuation apparatus - Google Patents

Shape memory alloy actuation apparatus Download PDF

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Publication number
GB2569668B
GB2569668B GB1810201.2A GB201810201A GB2569668B GB 2569668 B GB2569668 B GB 2569668B GB 201810201 A GB201810201 A GB 201810201A GB 2569668 B GB2569668 B GB 2569668B
Authority
GB
United Kingdom
Prior art keywords
shape memory
memory alloy
actuation apparatus
alloy actuation
shape
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
GB1810201.2A
Other versions
GB201810201D0 (en
GB2569668C (en
GB2569668A (en
Inventor
matthew bunting Stephen
Benjamin Simpson Brown Andrew
Scholz Marc-Sebastian
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 GB201810201D0 publication Critical patent/GB201810201D0/en
Priority to CN201811543160.5A priority Critical patent/CN110007542B/en
Publication of GB2569668A publication Critical patent/GB2569668A/en
Publication of GB2569668B publication Critical patent/GB2569668B/en
Application granted granted Critical
Publication of GB2569668C publication Critical patent/GB2569668C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
    • 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
    • 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
    • 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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32—Means for focusing
    • G03B13/34—Power focusing
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Adjustment Of Camera Lenses (AREA)
GB1810201.2A 2017-12-22 2018-06-21 Shape memory alloy actuation apparatus Active GB2569668C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811543160.5A CN110007542B (en) 2017-12-22 2018-12-17 Shape memory alloy actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1721716.7A GB201721716D0 (en) 2017-12-22 2017-12-22 Sma actuator

Publications (4)

Publication Number Publication Date
GB201810201D0 GB201810201D0 (en) 2018-08-08
GB2569668A GB2569668A (en) 2019-06-26
GB2569668B true GB2569668B (en) 2020-05-20
GB2569668C GB2569668C (en) 2022-01-26

Family

ID=61131543

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB1721716.7A Ceased GB201721716D0 (en) 2017-12-22 2017-12-22 Sma actuator
GB1810201.2A Active GB2569668C (en) 2017-12-22 2018-06-21 Shape memory alloy actuation apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB1721716.7A Ceased GB201721716D0 (en) 2017-12-22 2017-12-22 Sma actuator

Country Status (2)

Country Link
CN (1) CN110007542B (en)
GB (2) GB201721716D0 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11194115B1 (en) 2020-09-02 2021-12-07 Hutchinson Technology Incorporated Guided autofocus assembly
US12007618B2 (en) 2020-09-02 2024-06-11 Hutchinson Technology Incorporated Guided autofocus assembly

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201800544D0 (en) * 2018-01-12 2018-02-28 Cambridge Mechatronics Ltd Shape memory alloy actuator
CN110703404A (en) * 2019-09-11 2020-01-17 瑞声科技(新加坡)有限公司 Lens module
GB2625829A (en) 2022-12-31 2024-07-03 Cambridge Mechatronics Ltd Actuator assembly

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2149849A1 (en) * 1995-05-19 1996-11-20 Vincent Hayward Actuator
JP2004197572A (en) * 2002-12-16 2004-07-15 Hashimoto:Kk Length energization variable alloy thin wire actuator
JP2013097357A (en) * 2011-11-07 2013-05-20 Konica Minolta Advanced Layers Inc Drive unit
US20130222685A1 (en) * 2010-08-09 2013-08-29 Cambridge Mechatronics Limited Camera apparatus
US20140009675A1 (en) * 2012-07-05 2014-01-09 Chi-Wei Chiu Actuator with position sensor and camera module using same
JP2014010380A (en) * 2012-07-02 2014-01-20 Panasonic Corp Lens actuator
US20140139729A1 (en) * 2012-11-22 2014-05-22 Hon Hai Precision Industry Co., Ltd. Actuator and camera module having same
CN103837958A (en) * 2012-11-23 2014-06-04 鸿富锦精密工业（深圳）有限公司 Actuator and camera module provided with actuator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2457860B (en) * 2007-02-12 2010-06-30 Cambridge Mechatronics Ltd Shape memory alloy actuation apparatus
DE602008006763D1 (en) * 2007-10-30 2011-06-16 Cambridge Mechatronics Ltd MEMORY ALLOY ACTUATOR
JP4935641B2 (en) * 2007-11-19 2012-05-23 コニカミノルタオプト株式会社 Drive device using shape memory alloy
CN104204935B (en) * 2012-02-16 2017-05-10 剑桥机电有限公司 shape memory alloy actuation apparatus
US10114272B2 (en) * 2014-11-12 2018-10-30 Actuator Solutions GmbH Camera module autofocus actuator and control method thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2149849A1 (en) * 1995-05-19 1996-11-20 Vincent Hayward Actuator
JP2004197572A (en) * 2002-12-16 2004-07-15 Hashimoto:Kk Length energization variable alloy thin wire actuator
US20130222685A1 (en) * 2010-08-09 2013-08-29 Cambridge Mechatronics Limited Camera apparatus
JP2013097357A (en) * 2011-11-07 2013-05-20 Konica Minolta Advanced Layers Inc Drive unit
JP2014010380A (en) * 2012-07-02 2014-01-20 Panasonic Corp Lens actuator
US20140009675A1 (en) * 2012-07-05 2014-01-09 Chi-Wei Chiu Actuator with position sensor and camera module using same
US20140139729A1 (en) * 2012-11-22 2014-05-22 Hon Hai Precision Industry Co., Ltd. Actuator and camera module having same
CN103837958A (en) * 2012-11-23 2014-06-04 鸿富锦精密工业（深圳）有限公司 Actuator and camera module provided with actuator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11194115B1 (en) 2020-09-02 2021-12-07 Hutchinson Technology Incorporated Guided autofocus assembly
US12007618B2 (en) 2020-09-02 2024-06-11 Hutchinson Technology Incorporated Guided autofocus assembly

Also Published As

Publication number Publication date
CN110007542B (en) 2021-08-20
GB201810201D0 (en) 2018-08-08
CN110007542A (en) 2019-07-12
GB2569668C (en) 2022-01-26
GB2569668A (en) 2019-06-26
GB201721716D0 (en) 2018-02-07

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S117 Correction of errors in patents and applications (sect. 117/patents act 1977)

Free format text: REQUEST FILED; REQUEST FOR CORRECTION UNDER SECTION 117 FILED ON 26 AUGUST 2020

S117 Correction of errors in patents and applications (sect. 117/patents act 1977)

Free format text: CORRECTIONS ALLOWED; REQUEST FOR CORRECTION UNDER SECTION 117 FILED ON 26 AUGUST 2020 ALLOWED ON 17 JANUARY 2022