GB2610971A - Actuation apparatus - Google Patents

Actuation apparatus Download PDF

Info

Publication number
GB2610971A
GB2610971A GB2218399.0A GB202218399A GB2610971A GB 2610971 A GB2610971 A GB 2610971A GB 202218399 A GB202218399 A GB 202218399A GB 2610971 A GB2610971 A GB 2610971A
Authority
GB
United Kingdom
Prior art keywords
bearing
actuation apparatus
helical
connector
axis
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
GB2218399.0A
Other languages
English (en)
Other versions
GB202218399D0 (en
Inventor
Hart Oliver
Eddington Robin
Van Wyk Peter
Benjamin Simpson Brown Andrew
Farmer Geoffrey
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 GBGB2007950.5A external-priority patent/GB202007950D0/en
Priority claimed from GBGB2016551.0A external-priority patent/GB202016551D0/en
Priority claimed from GBGB2016552.8A external-priority patent/GB202016552D0/en
Priority claimed from GBGB2016550.2A external-priority patent/GB202016550D0/en
Application filed by Cambridge Mechatronics Ltd filed Critical Cambridge Mechatronics Ltd
Publication of GB202218399D0 publication Critical patent/GB202218399D0/en
Publication of GB2610971A publication Critical patent/GB2610971A/en
Pending legal-status Critical Current

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
    • G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
    • 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
    • F03G7/0665—Actuator control or monitoring controlled displacement, e.g. by using a lens positioning actuator
    • 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
    • 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
    • G03B2205/0046—Movement of one or more optical elements for zooming
    • 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
    • G03B2205/0076—Driving means for the movement of one or more optical element using shape memory alloys
    • 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)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmission Devices (AREA)
  • Rolling Contact Bearings (AREA)
  • Bearings For Parts Moving Linearly (AREA)
GB2218399.0A 2020-05-27 2021-05-27 Actuation apparatus Pending GB2610971A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GBGB2007950.5A GB202007950D0 (en) 2020-05-27 2020-05-27 Actuation apparatus
GBGB2016551.0A GB202016551D0 (en) 2020-10-19 2020-10-19 Actuation apparatus
GBGB2016552.8A GB202016552D0 (en) 2020-10-19 2020-10-19 Actuation apparatus
GBGB2016550.2A GB202016550D0 (en) 2020-10-19 2020-10-19 Actuation apparatus
PCT/GB2021/051298 WO2021240165A1 (en) 2020-05-27 2021-05-27 Actuation apparatus

Publications (2)

Publication Number Publication Date
GB202218399D0 GB202218399D0 (en) 2023-01-18
GB2610971A true GB2610971A (en) 2023-03-22

Family

ID=76601494

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2218399.0A Pending GB2610971A (en) 2020-05-27 2021-05-27 Actuation apparatus

Country Status (3)

Country Link
CN (1) CN115461663A (zh)
GB (1) GB2610971A (zh)
WO (1) WO2021240165A1 (zh)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019243849A1 (en) * 2018-06-21 2019-12-26 Cambridge Mechatronics Limited Shape memory alloy actuation apparatus
WO2020099897A1 (en) * 2018-11-15 2020-05-22 Cambridge Mechatronics Limited Actuator assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010029316A2 (en) 2008-09-12 2010-03-18 Cambridge Mechatronics Limited Optical image stabilisation
US8830335B2 (en) 2010-02-26 2014-09-09 Cambridge Mechatronics Limited SMA actuation apparatus
WO2012020212A1 (en) 2010-08-09 2012-02-16 Cambridge Mechatronics Limited Camera apparatus
WO2012038703A2 (en) 2010-09-22 2012-03-29 Cambridge Mechatronics Limited Optical image stabilisation
GB201019532D0 (en) 2010-11-18 2010-12-29 Cambridge Mechatronics Ltd Optical image stablisation drive
JP6289451B2 (ja) 2012-05-25 2018-03-07 ケンブリッジ メカトロニクス リミテッド 形状記憶合金作動装置
GB201220485D0 (en) 2012-11-14 2012-12-26 Cambridge Mechatronics Ltd Control of an SMA actuation apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019243849A1 (en) * 2018-06-21 2019-12-26 Cambridge Mechatronics Limited Shape memory alloy actuation apparatus
WO2020099897A1 (en) * 2018-11-15 2020-05-22 Cambridge Mechatronics Limited Actuator assembly

Also Published As

Publication number Publication date
GB202218399D0 (en) 2023-01-18
WO2021240165A1 (en) 2021-12-02
CN115461663A (zh) 2022-12-09

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