GB2629980A - Actuator assembly - Google Patents
Actuator assembly Download PDFInfo
- Publication number
- GB2629980A GB2629980A GB2411177.5A GB202411177A GB2629980A GB 2629980 A GB2629980 A GB 2629980A GB 202411177 A GB202411177 A GB 202411177A GB 2629980 A GB2629980 A GB 2629980A
- Authority
- GB
- United Kingdom
- Prior art keywords
- movable part
- actuator assembly
- electrical
- plane
- support structure
- 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
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
-
- 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
- G03B30/00—Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
-
- 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
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Studio Devices (AREA)
- Fluid-Damping Devices (AREA)
- Motor Or Generator Frames (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
An actuator assembly (2) comprising: a support structure (10); a generally planar movable part (12), wherein the movable part (12) is movable relative to the support structure (10); and a plurality of electrical interconnectors (51) configured to electrically connect the support structure (10) to the movable part (12); wherein at least two of the electrical interconnectors (51) are spaced from each other when viewed in a direction parallel to the plane of the movable part (12).
Claims (7)
1. An actuator assembly comprising: a support structure; a generally planar movable part, wherein the movable part is movable relative to the support structure; and a plurality of electrical interconnectors configured to electrically connect the support structure to the movable part; wherein at least two of the electrical interconnectors are spaced from each other when viewed in a direction parallel to the plane of the movable part.
2. An actuator assembly according to claim 1 , wherein at least two of the electrical interconnectors overlap when viewed in a direction at least partly perpendicular to the plane of the movable part.
3. The actuator assembly of claim 1 or 2, wherein at least one of the electrical interconnectors has one end provided at a peripheral region of the movable part.
4. The actuator assembly of any one of claims 1 to 3, wherein: the support structure comprises a support plate that overlaps the movable part when viewed in a direction perpendicular to the plane of the movable part; and at least one of the electrical interconnectors is connected to a surface of the movable part facing the support plate.
5. The actuator assembly of claim 4, wherein at least one of the electrical interconnectors is embedded into the surface of the movable part facing the support plate such that a minimum distance between the embedded section of the electrical interconnector and the support plate is greater than or equal to a minimum distance between the movable part and the support plate.
6. The actuator assembly of any preceding claim, wherein the movable part is an image sensor assembly comprising an image sensor having a light-sensitive region.
7. The actuator assembly of claim 6, wherein the support structure comprises a printed circuit board, PCB, to which the electrical interconnectors are electrically connected.
35 The actuator assembly of claim 6 or 7, wherein the movable part comprises a PCB to which the electrical interconnectors are electrically connected. The actuator assembly of claim 8, wherein the image sensor is mounted on the PCB of the image sensor assembly. The actuator assembly of claim 8 or 9, wherein the image sensor and the PCB of the image sensor assembly overlap in a direction perpendicular to the plane of the image sensor assembly. The actuator assembly of any preceding claim, wherein at least one of the electrical interconnectors is connected between a side of the support structure facing in a first direction and a side of the movable part facing in the first direction. The actuator assembly of claim 11, wherein a plurality of the electrical interconnectors are connected between the side of the support structure facing in the first direction and the side of the movable part facing in the first direction and are spaced from each other when viewed in a direction parallel to the plane of the movable part. The actuator assembly of any preceding claim, wherein the support structure is configured to electrically isolate at least two of the electrical interconnectors from each other. The actuator assembly of any preceding claim, wherein at least one of the electrical interconnectors is arranged to extend in a plane parallel to the plane of the movable part. The actuator assembly of any preceding claim, wherein at least one of the electrical interconnectors comprises a first portion configured to extend in a first plane parallel to the plane of the movable part and a second portion configured to extend in a second plane parallel to and different from the first plane. The actuator assembly of claim 15, wherein the first portion is connected to the support structure and the second portion is connected to the movable part. The actuator assembly of claim 15 or 16, wherein the first portion and the second portion are connected by a third portion configured to extend perpendicularly to the first plane. The actuator assembly of any preceding claim, wherein a plurality of the electrical interconnectors comprise respective diagonal portions, spaced from each other when viewed in a direction parallel to the plane of the movable part, that extend in a direction parallel to the plane of the movable part and in a direction perpendicular to the plane of the movable part. The actuator assembly of claim 18, wherein the diagonal portions are parallel to each other. The actuator assembly of any preceding claim, wherein at least one of the electrical interconnectors comprises a metallic flexure. The actuator assembly of claim 20, wherein at least one of metallic flexures is provided with a flexible electrical connector layered relative to it, the flexible electrical connector being another of the electrical interconnectors. The actuator assembly of any preceding claim, wherein at least one of the electrical interconnectors comprises a flexible electrical connector. The actuator assembly of any preceding claim, comprising an insulator layer configured to electrically isolate a plurality of the electrical interconnectors from another plurality of the electrical interconnectors. The actuator assembly of any preceding claim, wherein within a group comprising a plurality of the electrical interconnectors, the longest electrical interconnector is at most 10% longer than the shortest electrical interconnector. The actuator assembly of claim 24, wherein the group comprises all of the electrical interconnectors. The actuator assembly of any preceding claim, wherein at least one of the electrical interconnectors is configured to flex when the support structure and the movable part move relative to each other. The actuator assembly of claim 26, wherein at least one of the electrical interconnectors comprises at least one bend configured to facilitate flexing of the electrical interconnector during relative movement between the support structure and the movable part. The actuator assembly of any preceding claim, comprising a bearing arrangement configured to support the movable part relative to the support structure, wherein the bearing arrangement is configured to allow the movement of the movable part and the support structure relative to each other. The actuator assembly of claim 28, wherein the electrical interconnectors are configured to apply a force biasing the movable part against the bearing arrangement. The actuator assembly of claim 28, wherein the electrical interconnectors act as the bearing arrangement. The actuator assembly of any preceding claim, comprising an actuator arrangement capable of moving the movable part and the support structure relative to each other in any direction parallel to the plane of the movable part and/or rotating the movable part about an axis perpendicular to the plane of the movable part and/or moving the movable part and the support structure relative to each other in a direction perpendicular to the plane of the movable part. The actuator assembly of claim 31, wherein the actuator arrangement comprises plural shape memory alloy, SMA, elements arranged, on contraction, to move the movable part and the support structure relative to each other. The actuator assembly of claim 32, wherein the SMA elements are fixed to the support structure and the movable part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB2119163.0A GB202119163D0 (en) | 2021-12-31 | 2021-12-31 | Actuator assembly |
| PCT/GB2023/050003 WO2023126633A1 (en) | 2021-12-31 | 2023-01-03 | Actuator assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB202411177D0 GB202411177D0 (en) | 2024-09-11 |
| GB2629980A true GB2629980A (en) | 2024-11-13 |
Family
ID=80220017
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GBGB2119163.0A Ceased GB202119163D0 (en) | 2021-12-31 | 2021-12-31 | Actuator assembly |
| GB2411177.5A Pending GB2629980A (en) | 2021-12-31 | 2023-01-03 | Actuator assembly |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GBGB2119163.0A Ceased GB202119163D0 (en) | 2021-12-31 | 2021-12-31 | Actuator assembly |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN118489083A (en) |
| GB (2) | GB202119163D0 (en) |
| WO (1) | WO2023126633A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190086686A1 (en) * | 2014-07-18 | 2019-03-21 | Cambridge Mechatronics Limited | Camera assembly |
| US20190141248A1 (en) * | 2016-03-11 | 2019-05-09 | Apple Inc. | Optical image stabilization with voice coil motor for moving image sensor |
| WO2020079425A2 (en) * | 2018-10-16 | 2020-04-23 | Cambridge Mechatronics Limited | Electromagnetic screening of an image sensor from an actuator in a camera |
| WO2021191626A1 (en) * | 2020-03-26 | 2021-09-30 | Cambridge Mechatronics Limited | A shape memory alloy actuator |
| WO2021229228A1 (en) * | 2020-05-13 | 2021-11-18 | Cambridge Mechatronics Limited | A shape memory alloy actuator assembly and a method of manufacturing thereof |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2326984A2 (en) | 2008-09-12 | 2011-06-01 | Cambridge Mechatronics Limited | Optical image stabilisation comprising shape memory alloy actuators |
| EP2394425B1 (en) | 2009-02-09 | 2017-05-31 | Cambridge Mechatronics Limited | Optical image stabilisation |
| CN102770804B (en) | 2010-02-26 | 2015-09-23 | 剑桥机电有限公司 | SMA actuator |
| KR101893229B1 (en) | 2010-08-09 | 2018-08-29 | 캠브리지 메카트로닉스 리미티드 | 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 |
| US9518566B2 (en) | 2012-05-25 | 2016-12-13 | Cambridge Mechatronics Limited | Shape memory alloy actuation apparatus |
| GB201220485D0 (en) | 2012-11-14 | 2012-12-26 | Cambridge Mechatronics Ltd | Control of an SMA actuation apparatus |
| GB201221306D0 (en) | 2012-11-27 | 2013-01-09 | Cambridge Mechatronics Ltd | Suspension system for a camera lens element |
| CN116055845A (en) | 2015-10-28 | 2023-05-02 | 剑桥机电有限公司 | Camera components that provide optical image stabilization |
| US20210263392A1 (en) | 2018-06-21 | 2021-08-26 | Cambridge Mechatronics Limited | Shape memory alloy actuation apparatus |
-
2021
- 2021-12-31 GB GBGB2119163.0A patent/GB202119163D0/en not_active Ceased
-
2023
- 2023-01-03 WO PCT/GB2023/050003 patent/WO2023126633A1/en not_active Ceased
- 2023-01-03 GB GB2411177.5A patent/GB2629980A/en active Pending
- 2023-01-03 CN CN202380015896.8A patent/CN118489083A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190086686A1 (en) * | 2014-07-18 | 2019-03-21 | Cambridge Mechatronics Limited | Camera assembly |
| US20190141248A1 (en) * | 2016-03-11 | 2019-05-09 | Apple Inc. | Optical image stabilization with voice coil motor for moving image sensor |
| WO2020079425A2 (en) * | 2018-10-16 | 2020-04-23 | Cambridge Mechatronics Limited | Electromagnetic screening of an image sensor from an actuator in a camera |
| WO2021191626A1 (en) * | 2020-03-26 | 2021-09-30 | Cambridge Mechatronics Limited | A shape memory alloy actuator |
| WO2021229228A1 (en) * | 2020-05-13 | 2021-11-18 | Cambridge Mechatronics Limited | A shape memory alloy actuator assembly and a method of manufacturing thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118489083A (en) | 2024-08-13 |
| WO2023126633A1 (en) | 2023-07-06 |
| GB202411177D0 (en) | 2024-09-11 |
| GB202119163D0 (en) | 2022-02-16 |
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