CN104317032A - Miniature tilt-shift type optical anti-vibration voice coil motor structure facilitating production and assembling method - Google Patents
Miniature tilt-shift type optical anti-vibration voice coil motor structure facilitating production and assembling method Download PDFInfo
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- CN104317032A CN104317032A CN201410615985.9A CN201410615985A CN104317032A CN 104317032 A CN104317032 A CN 104317032A CN 201410615985 A CN201410615985 A CN 201410615985A CN 104317032 A CN104317032 A CN 104317032A
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- 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
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- 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
- G03B13/36—Autofocus systems
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- 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
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- Optics & Photonics (AREA)
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Abstract
A miniature tilt-shift type optical anti-vibration voice coil motor structure facilitating production comprises a base, a shell, a lens carrier, three or more magnets, an elastic material, a coil carrier, coils and bosses, wherein the number of the coils and the number of the bosses are each equal to that of the magnets. The base and the shell are fixedly installed together, the lens carrier is installed on the coil carrier through the elastic material, the bosses are installed on the outer side of the coil carrier, each coil is wound around the corresponding boss, the magnets are fixedly installed on the lens carrier, and the magnets are arranged corresponding to the coils. Compared with previous technologies, the motor structure can be simplified effectively; meanwhile, the number of mechanical and electronic connection processes needed during production assembling can be reduced, the motor structure supports the process that the coils are directly wound around the coil carrier, mass production is facilitated, and even full automatic mass production can be achieved. Thus, compared with existing technologies, the motor structure can improve production efficiency and increase the percent of pass, reduce the number of assembling staff, reduce material cost and meanwhile enhance mechanical crashworthiness.
Description
Technical field
The present invention discloses a kind of voice coil motor, particularly a kind of miniature shift shaft type optical anti-vibration voice coil motor structure and assembly method being conducive to production.
Background technology
The skill of micro-optical stabilization voice coil motor is stated and is widely used in high-end mobile phone now, can effectively reduce the chance taking fuzzy photo under low luminous environment, and makes us the shake of puzzlement in film.But relative to general autofocus motor, the design comparison of stabilization voice coil motor is complicated, and qualification rate and the efficiency of production are lower.Therefore, described skill is stated and is not also popularized at middle-end and low-end mobile phone, and most cellphone subscriber still fails to enjoy the benefit that stabilization technology is brought.
Micro-optical stabilization voice coil motor can be divided three classes, its title and stabilization principle as follows:
One, camera module shift shaft type: control camera lens to rotate together with image sensor by voice coil motor.
Two, camera lens parallel-moving type: control camera lens translation by voice coil motor, image sensor is motionless.
Three, camera lens shift shaft type: control camera lens by voice coil motor and rotate, image sensor is motionless.
Above-mentioned three kinds of motors respectively have advantage, and wherein, the structure of camera lens shift shaft type motor is relatively simple, is conducive to producing.
General camera lens shift shaft type optical anti-vibration voice coil motor structure (be CN101587222 if China Patent Publication No. is CN 101542348 and publication number) comprises a shell, base, at least two group resilient materials, at least three group magnetites, at least three absolute coils and a camera lens carrier, coil is closely connected with camera lens carrier, and it is movable together, composition bascule, magnetite, shell and base closely connect, can't be movable, form motionless structure.The top of two groups of resilient material connection lens carriers and below, add motionless structure division, common composition multivariant mass-spring system, allows camera lens can do the deflection (for optical anti-vibration) of both direction, and a displacement along optical axis (for auto-focusing).
By the independent electric current controlling each coil, different amount of deflections and displacement can be reached.Because each coil needs independent energising, and coil be positioned at can the camera lens carrier of multiple degrees of freedom activity, two groups of resilient materials need energising, and at least comprise at least four independent circuits (resistance between each circuit can not very little).Therefore, two groups of resilient materials generally comprise at least four independent springs.On the other hand, coil needs to be connected on circuit with spring, and this needs to add at least six circuit at bascule and connects (can use scolding tin).Such as, the example embodiment in Chinese patent CN101542348, one group, top resilient material is made up of an independent spring, and one group, below resilient material is then made up of four independent springs, always has five independent springs.On the other hand, eight circuit are needed to connect in bascule.
In carefully few motor, add a large amount of independent springs and circuit connection, following problem can be caused:
One, need to complete multiple machinery and circuit connection at superfine few bascule, greatly increase the difficulty of production.
Two, need five independent springs to be assemblied in motor, increase the difficulty of producing.
Three, due to complicated in structure, reduce crashworthiness mechanically, lower the chance by drop test.
In addition, the production technology that the circuit of general spring and coil connects needs staff that the end of a thread of coil is guided on resilient material.In lead-in wire process, employee easily fractures the end of a thread, causes that qualification rate is low, production efficiency is low, cost of labor is high.On the other hand, there is space between the end of a thread and resilient material after lead-in wire, conductive material (as scolding tin) be leaned on as both bridges, both are welded together.Because pore size is difficult to control, cause space to be differed, easily make resistance sizes and differ, even loose contact, motor is scrapped, and lowers production qualification rate.
Finally, due to top and the below of two groups of resilient material connection lens carriers, need at different directions dress resilient material in assembling process, and the Joining Technology completed on machinery and circuit, crude product may be needed to overturn, increase the difficulty of assembling and Joining Technology, lower production efficiency.
Summary of the invention
For the shortcoming of the above-mentioned voice coil motor structure complexity of the prior art mentioned, the invention provides a kind of miniature shift shaft type optical anti-vibration voice coil motor structure being conducive to producing, it is by special structural design, can greatly simplify its structure.
The technical scheme that the present invention solves the employing of its technical matters is: a kind of miniature shift shaft type optical anti-vibration voice coil motor structure being conducive to producing, voice coil motor structure comprises base, shell, camera lens carrier, the magnetite of more than three, resilient material, coil supporter, the coil identical with magnetite quantity and the boss identical with coil quantity, base and shell are fixedly installed togather, camera lens carrier is arranged on coil supporter by resilient material, boss is arranged on outside coil supporter, each boss is wound with a coil, magnetite is fixedly mounted on camera lens carrier, magnetite corresponds to coil and arranges.
When resilient material only has one, the assemble method that a kind of above-mentioned miniature shift shaft type optical anti-vibration voice coil motor structure being conducive to producing can adopt, the method is that its assembly sequency is as follows when assembling:
One, shell upwards;
Two, cased for the coil supporter of coiling in advance portion, and be mechanically connected;
Three, the camera lens carrier having filled magnetite in advance, the central authorities of coil supporter internal diameter are contained in;
Four, resilient material is contained on coil supporter and camera lens carrier, and is mechanically connected, the two is linked together;
Five, base is contained between shell, coil supporter and resilient material, and is mechanically connected, and the end of a thread on the sheet metal in base and coil supporter wrapping post is carried out circuit connection.
The technical scheme that the present invention solves the employing of its technical matters further comprises:
Described coil supporter is square or rectangle, and corner place is respectively equipped with straight chamfering.
Described magnetite and coil correspondence are arranged on the Si Bianchu of coil supporter.
Described magnetite and coil correspondence are arranged on the corner place of coil supporter.
Described boss is provided with inside inclined-plane, and inside inclined-plane slopes inwardly.
Be fixed with wrapping post bottom described coil supporter, below each boss, correspondence is provided with two wrapping posts.
Described coil supporter offers wire casing, and wire casing is opened between boss to wrapping post.
Described base corresponds to wrapping post and offer through hole respectively, chassis outer side corresponds to through hole and is provided with sheet metal, and the end of a thread on wrapping post and sheet metal are electrically connected.
Described resilient material is provided with at least one.
The invention has the beneficial effects as follows: compare with conventional art, the present invention effectively can simplify motor configuration, and also can to reduce when producing assembling Joining Technology on required machinery and electronics, simultaneously the present invention supports that direct coiling is in the technique of coil supporter, be conducive to volume production, even full-automatic volume production.Therefore, compared to the prior art, it can be enhanced productivity and qualification rate in the present invention, reduces assembling staff, reduces Material Cost, can also improve mechanical crashworthiness simultaneously.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Accompanying drawing explanation
Fig. 1 is main part perspective view of the present invention.
Fig. 2 is partial enlargement structural representation of the present invention (coil and coil supporter part).
Fig. 3 is part section structure for amplifying schematic diagram (projection section) of the present invention.
Fig. 4 is the embodiment of the present invention one cross-sectional view.
Fig. 5 is the embodiment of the present invention one plan structure schematic diagram.
Fig. 6 is the embodiment of the present invention one decomposing state structural representation.
Fig. 7 is the embodiment of the present invention two plan structure schematic diagram.
Fig. 8 is the embodiment of the present invention two decomposing state structural representation.
Fig. 9 is the embodiment of the present invention three plan structure schematic diagram.
Figure 10 is the embodiment of the present invention three decomposing state structural representation.
In figure, 1-coil supporter, 2-boss, 3-coil, 4-wrapping post, 5-the end of a thread, 6-wire casing, the inside inclined-plane of 7-, 8-base, 9-shell, 10-camera lens carrier, 11-magnetite, 12-resilient material, 13-sheet metal, the upper spring leaf of 14-, 15-lower spring sheet.
Embodiment
In order to more specifically express structure of the present invention, below content in conjunction with concrete four preferred implementation further descriptions made for the present invention, but can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Please refer to accompanying drawing 1 to accompanying drawing 6, core of the present invention is a kind of miniature shift shaft type optical anti-vibration voice coil motor structure being conducive to producing, it mainly comprises coil supporter 1, boss 2 and coil 3, in the present embodiment, coil supporter 1 is motionless assembly, it is connected with other motionless close structure peripheral, can support direct wire winding.In the present embodiment, coil supporter 1 is square, corner place is respectively equipped with straight chamfering, a boss 2 for winding around is fixed with respectively outside four sides of coil supporter 1, each boss 2 is wound with a coil 3, coil 3 can support that direct wire winding is directly formed on boss 2, is conducive to volume production, even full-automatic volume production.Boss 2 is provided with inside inclined-plane 7, and inside inclined-plane 7 slopes inwardly, and allows coil 3 more firmly around boss 2 four sides, can deviate from from boss 2 to prevent coil 3.In the present embodiment, wrapping post 4 is fixed with bottom coil supporter 1, below each boss 2, correspondence is provided with two wrapping posts 4, be respectively used to the end of a thread 5 at winding around 3 two ends, in the present embodiment, coil supporter 1 offers wire casing 6, and wire casing 6 is opened between boss 2 to wrapping post 4, and the cable of connection the end of a thread 5 of coil 3 can be arranged in wire casing 6.
In above-described embodiment, for four boss 2 and four groups of coils 3, its structure is described, when specifically implementing, three boss 2 and three groups of coils 3 also only can be set, or also can arranges more groups according to actual needs.
In the present embodiment, also include base 8, shell 9, camera lens carrier 10, magnetite 11 and resilient material 12, base 8 and shell 9 are fixedly installed togather, form main body cover structure of the present invention, in the present embodiment, base 8 corresponds to wrapping post 4 and offer through hole respectively, correspond to through hole outside base 8 and be provided with sheet metal 13, the end of a thread 5 on wrapping post 4 links together with sheet metal 13, by the sheet metal 13 in base 8, circuit can be linked coil 3 bottom of motor, be conveniently connected with the printed circuit board (PCB) of camera module.Camera lens carrier 10 is arranged on coil supporter 1 by resilient material 12, the inwall of camera lens carrier 10 can with camera lens compact siro spinning technology, allow camera lens can do multivariant activity, to reach the function causing auto-focusing and stabilization.In the present embodiment, the quantity of magnetite 11 is identical with the quantity of coil 3, and magnetite 11 is fixedly mounted on camera lens carrier 10, forms bascule, and magnetite 11 corresponds to coil 3 and arranges.In the present embodiment, camera lens carrier 10 and coil 3 be separately design on machinery and electronic structure, so the resilient material 12 of connection lens carrier 10 and motionless structure (i.e. coil supporter 1, shell 9 and base 8) does not need to be divided at least five independent springs, do the independently-powered of multiple coil, and adopt integral structure, therefore, structure of the present invention can be avoided in superfine few activity space structure, complete multiple machinery and circuit connection, also do not need to assemble at least five independent springs, greatly reduce the complicacy of structure and production.In the present embodiment, adopt a resilient material 12, the structure not having conductive elastomer above camera lens carrier 10 can be supported, this structure can be avoided in different directions dress resilient material 12 and the technique of carrying out electronics and mechanical connection, also do not need crude product to overturn, greatly lower the difficulty of assembling and Joining Technology.
In the present invention, bascule and motionless structure form a multivariant mass-spring system jointly.By size and the direction of separate control lines circle 3 electric current, independently can control magnetite 11 power upwards, thus control the deflection (for optical anti-vibration) that camera lens can be used as both direction, and one along the displacement (for auto-focusing) on optical axis direction.
The present embodiment produce time, first conductor wire directly around on each boss 2 of coil supporter 1, form the coil 3 of a fixing turn, be securely fixed on boss 2.Finally, two rear line heads 5 of each coil 3, respectively through wire casing 6 around on wrapping post 4.After completing all wire windings, be positioned at the conductor wire on wrapping post 4, can, in assembly process afterwards, support to be connected as circuit with other conductive component.In the present embodiment, automatic winding equipment can be utilized to realize direct coiling, reliably and can carry out the coiling of certain number of turns efficiently on boss 2, realize 3 dimension sizes and relative position size uniform, this plays important effect to improving the qualification rate of producing micro motor.
The present embodiment is when assembling, and the assembly sequency that can adopt is as follows:
One, shell 9 upwards;
Two, the coil supporter 1 of coiling is in advance contained in shell 9 inner, and carries out being mechanically connected (method can adopt and comprise conventional means such as glue bonding grade).
Three, the camera lens carrier 10 having filled magnetite 11 in advance, the central authorities of coil supporter 1 internal diameter are contained in.
Four, resilient material 12 is contained in bottom coil supporter 1 and bottom camera lens carrier 10, and carries out being mechanically connected (method can adopt and comprise conventional means such as glue bonding grade), the two is linked together.
Five, base 8 is contained between shell 9, coil supporter 1 and resilient material 12, and carries out being mechanically connected (method can adopt and comprise conventional means such as glue bonding grade).Then, the sheet metal 13 in base 8 and the end of a thread on coil supporter wrapping post 5 are carried out circuit connection (method comprises scolding tin).
In above assembling process, all parts are all, after reversing up and down, assemble from top to down, and the position needing circuit to connect also is that unification upwards exposes.Above-mentioned assembly method does not need crude product to reverse, and also only needs to be mechanically connected a standalone elastic material, the difficulty greatly lowering assembling and produce, more suitable automatic mass.
Embodiment two: please refer to accompanying drawing 7 and accompanying drawing 8, the basic structure of the present embodiment is identical with embodiment one, its difference is, two groups of resilient materials are included in the present embodiment, namely go up spring leaf 14 and lower spring sheet 15, upper spring leaf 14 and lower spring sheet 15 lay respectively at top and the bottom of camera lens carrier 10.
Embodiment three: please refer to accompanying drawing 9 and accompanying drawing 10, the basic structure of the present embodiment is identical with embodiment one, its difference is, embodiment one coil 3 and magnetite 11 are arranged on the Si Bianchu of coil supporter 1, in the present embodiment, coil 3 and magnetite 11 are arranged on the corner place of coil supporter 1, and all the other constructive embodiment one are identical.
Embodiment four: the basic structure of the present embodiment is identical with embodiment two, its difference is, embodiment two coil 3 and magnetite 11 are arranged on the Si Bianchu of coil supporter 1, in the present embodiment, coil 3 and magnetite 11 are arranged on the corner place of coil supporter 1, and all the other constructive embodiment two are identical.
The present embodiment is the preferred embodiment for the present invention, and other its principle all is identical with the present embodiment or approximate with basic structure, all within scope.
Claims (10)
1. one kind is conducive to the miniature shift shaft type optical anti-vibration voice coil motor structure of production, it is characterized in that: described voice coil motor structure comprise base, shell, camera lens carrier, more than three magnetite, resilient material, coil supporter, the coil identical with magnetite quantity and the boss identical with coil quantity, base and shell are fixedly installed togather, camera lens carrier is arranged on coil supporter by resilient material, boss is arranged on outside coil supporter, each boss is wound with a coil, magnetite is fixedly mounted on camera lens carrier, and magnetite corresponds to coil and arranges.
2. the miniature shift shaft type optical anti-vibration voice coil motor structure being conducive to producing according to claim 1, it is characterized in that: described coil supporter is square or rectangle, corner place is respectively equipped with straight chamfering.
3. the miniature shift shaft type optical anti-vibration voice coil motor structure being conducive to producing according to claim 2, is characterized in that: described magnetite and coil correspondence are arranged on the Si Bianchu of coil supporter.
4. the miniature shift shaft type optical anti-vibration voice coil motor structure being conducive to producing according to claim 2, is characterized in that: described magnetite and coil correspondence are arranged on the corner place of coil supporter.
5. the miniature shift shaft type optical anti-vibration voice coil motor structure being conducive to producing as claimed in any of claims 1 to 4, it is characterized in that: described boss is provided with inside inclined-plane, inside inclined-plane slopes inwardly.
6. the miniature shift shaft type optical anti-vibration voice coil motor structure being conducive to producing as claimed in any of claims 1 to 4, it is characterized in that: be fixed with wrapping post bottom described coil supporter, below each boss, correspondence is provided with two wrapping posts.
7. the miniature shift shaft type optical anti-vibration voice coil motor structure being conducive to producing according to claim 6, it is characterized in that: described coil supporter offers wire casing, wire casing is opened between boss to wrapping post.
8. the miniature shift shaft type optical anti-vibration voice coil motor structure being conducive to producing according to claim 6, it is characterized in that: described base corresponds to wrapping post and offer through hole respectively, chassis outer side corresponds to through hole and is provided with sheet metal, and the end of a thread on wrapping post and sheet metal are electrically connected.
9. the miniature shift shaft type optical anti-vibration voice coil motor structure being conducive to producing as claimed in any of claims 1 to 4, is characterized in that: described resilient material is provided with at least one.
10. be conducive to the miniature shift shaft type optical anti-vibration voice coil motor structure assemble method produced as in one of claimed in any of claims 1 to 9, it is characterized in that: described method is for when assembling, and its assembly sequency is as follows:
One, shell upwards;
Two, cased for the coil supporter of coiling in advance portion, and be mechanically connected;
Three, the camera lens carrier having filled magnetite in advance, the central authorities of coil supporter internal diameter are contained in;
Four, resilient material is contained on coil supporter and camera lens carrier, and is mechanically connected, the two is linked together;
Five, base is contained between shell, coil supporter and resilient material, and is mechanically connected, and the end of a thread on the sheet metal in base and coil supporter wrapping post is carried out circuit connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410615985.9A CN104317032B (en) | 2014-11-05 | 2014-11-05 | A kind of miniature shift shaft type optical anti-vibration voice coil motor structure and assembly method for being conducive to producing |
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| CN201410615985.9A CN104317032B (en) | 2014-11-05 | 2014-11-05 | A kind of miniature shift shaft type optical anti-vibration voice coil motor structure and assembly method for being conducive to producing |
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| CN104317032A true CN104317032A (en) | 2015-01-28 |
| CN104317032B CN104317032B (en) | 2017-07-14 |
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| CN104993668A (en) * | 2015-06-26 | 2015-10-21 | 爱佩仪光电技术（深圳）有限公司 | Anti-magnetic-interference optical anti-vibration voice coil motor and manufacturing method therefor |
| CN105099119A (en) * | 2015-09-25 | 2015-11-25 | 爱佩仪光电技术（深圳）有限公司 | Optical anti-vibration voice coil motor capable of changing tilt shift centre and assembly method thereof |
| CN105449974A (en) * | 2015-12-30 | 2016-03-30 | 信利光电股份有限公司 | Voice coil motor |
| CN105490498A (en) * | 2016-02-19 | 2016-04-13 | 信利光电股份有限公司 | Motor |
| WO2016070361A1 (en) * | 2014-11-05 | 2016-05-12 | 爱佩仪光电技术（深圳）有限公司 | Miniature tilt-shift type optical anti-vibration voice coil motor structure facilitating production and assembling method |
| WO2016206077A1 (en) * | 2015-06-26 | 2016-12-29 | 爱佩仪光电技术（深圳）有限公司 | Anti-magnetic-interference optical anti-vibration voice coil motor |
| WO2016206074A1 (en) * | 2015-06-26 | 2016-12-29 | 爱佩仪光电技术（深圳）有限公司 | Anti-magnetic-interference optical anti-vibration voice coil motor and manufacturing method therefor |
| WO2017049579A1 (en) * | 2015-09-25 | 2017-03-30 | 爱佩仪光电技术（深圳）有限公司 | Optical anti-vibration voice coil motor capable of changing shift axis center and assembly method thereof |
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| CN113126233A (en) * | 2021-04-26 | 2021-07-16 | 上海比路电子股份有限公司 | Small lens driving device with high thrust |
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| CN113848622B (en) * | 2017-05-17 | 2023-08-15 | 台湾东电化股份有限公司 | Driving mechanism |
| CN113848622A (en) * | 2017-05-17 | 2021-12-28 | 台湾东电化股份有限公司 | Driving mechanism |
| CN113056705B (en) * | 2018-11-14 | 2022-12-30 | 阿尔卑斯阿尔派株式会社 | Lens driving device and camera module |
| CN113056705A (en) * | 2018-11-14 | 2021-06-29 | 阿尔卑斯阿尔派株式会社 | Lens driving device and camera module |
| CN115769123A (en) * | 2021-03-25 | 2023-03-07 | 华为技术有限公司 | Driving motor, camera module and electronic equipment |
| WO2022199538A1 (en) * | 2021-03-25 | 2022-09-29 | 华为技术有限公司 | Drive motor, camera module, and electronic device |
| RU2818664C2 (en) * | 2021-03-25 | 2024-05-03 | Хуавей Текнолоджиз Ко., Лтд. | Drive motor, video camera module and electronic device |
| CN113126233A (en) * | 2021-04-26 | 2021-07-16 | 上海比路电子股份有限公司 | Small lens driving device with high thrust |
| CN113900212A (en) * | 2021-10-29 | 2022-01-07 | 河南皓泽电子股份有限公司 | Lens driving mechanism |
| CN115185138A (en) * | 2022-07-14 | 2022-10-14 | 新思考电机有限公司 | Driving mechanism, lens driving device, and image pickup apparatus |
| CN115185138B (en) * | 2022-07-14 | 2023-12-05 | 新思考电机有限公司 | Driving mechanism, lens driving device, and image pickup apparatus |
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