CN110895365B - Lens driving device, camera device, and electronic equipment - Google Patents
Lens driving device, camera device, and electronic equipment Download PDFInfo
- Publication number
- CN110895365B CN110895365B CN201811065775.1A CN201811065775A CN110895365B CN 110895365 B CN110895365 B CN 110895365B CN 201811065775 A CN201811065775 A CN 201811065775A CN 110895365 B CN110895365 B CN 110895365B
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- terminal portion
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- lens driving
- lens
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- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
- Studio Devices (AREA)
Abstract
本发明提供使电流路径部难以脱落的透镜驱动装置、照相机装置及电子设备。依据本发明的一个实施方式的透镜驱动装置(1)具备：具有基座(20)和设置在基座20的端子部(21)的基座组装体(12)；用于固定透镜体的透镜支撑体(30)；产生使透镜支撑体(30)对于基座组装体(12)做相对移动的驱动力的驱动部(50)；以及电连接端子部(21)和驱动部(50)的电流路径部。基座(20)外形为矩形状，且在中央设有贯通孔，端子部(21)具有与外部电源电连接的外部端子部(121)、和与电流路径部电连接的内部端子部(122)，外部端子部(121)配置在矩形状的基座(20)的第1角部(22a)，而内部端子部(122)配置在与第1角部(22a)相邻的第2角部(22b)。
The present invention provides a lens driving device, a camera device, and an electronic device that make it difficult for a current path part to fall off. According to one embodiment of the present invention, the lens driving device (1) comprises: a base assembly (12) having a base (20) and a terminal part (21) provided on the base 20; a lens support (30) for fixing the lens body; a driving part (50) generating a driving force for causing the lens support (30) to move relative to the base assembly (12); and a current path part electrically connecting the terminal part (21) and the driving part (50). The base (20) has a rectangular outer shape and a through hole at the center. The terminal part (21) has an external terminal part (121) electrically connected to an external power source and an internal terminal part (122) electrically connected to the current path part. The external terminal part (121) is arranged at a first corner (22a) of the rectangular base (20), and the internal terminal part (122) is arranged at a second corner (22b) adjacent to the first corner (22a).
Description
Technical Field
The invention relates to a lens driving device, a camera device and an electronic apparatus.
Background
In general, a small-sized camera device is mounted on an electronic device such as a smart phone, and a lens driving device such as that shown in patent document 1 is mounted on the camera device.
Patent document 1 Chinese patent publication No. CN104914547A
Disclosure of Invention
In the lens driving device, a terminal formed by bending a metal plate is insert-molded to a base. The terminal has an inner terminal portion exposed from the upper surface of the base and electrically connected to the leaf spring, and an outer terminal portion protruding from the lower surface of the base and connected to an external power source. The leaf spring also functions as a current path portion and is electrically connected to the coil. The internal terminal portion and the leaf spring are electrically connected by welding or the like.
The lens driving device is mounted on a substrate provided with an image pickup element by soldering at the external terminal portion after completion. In this way, the heat of the soldering is transferred from the external terminal portion to the internal terminal portion, and the solder for fixing the leaf spring is remelted, so that the leaf spring may be detached from the terminal.
The present invention aims to provide a lens driving device, a camera device and an electronic apparatus which solve the above problems and prevent a current path from falling off.
In order to achieve the above object, the lens driving device of the present invention is characterized by comprising a base assembly having a base and a terminal portion provided on the base, a lens support for fixing the lens, a driving portion for generating a driving force for relatively moving the lens support with respect to the base assembly, and a current path portion for electrically connecting the terminal portion and the driving portion, wherein the base has a rectangular outer shape and is provided with a through hole at the center, the terminal portion has an external terminal portion electrically connected to an external power source and an internal terminal portion electrically connected to the current path portion, the external terminal portion is disposed at a 1 st corner portion of the rectangular base, and the internal terminal portion is disposed at a 2 nd corner portion adjacent to the 1 st corner portion.
The present invention also provides a camera device including the lens driving device.
The present invention further provides an electronic device including the camera device.
According to the present invention, the external terminal portion is disposed at the 1 st corner of the base, and the internal terminal portion is disposed at the 2 nd corner adjacent to the 1 st corner, so that the distance between the internal terminal portion and the external terminal portion can be sufficiently secured, and even if the external terminal portion is welded, heat is less likely to be transmitted from the external terminal portion to the internal terminal portion. Therefore, the effect that the current path portion is not easily detached is obtained.
Drawings
Fig. 1 is an example of an exploded perspective view showing a lens driving device according to an embodiment of the present invention.
Fig. 2 is an example of a cross-sectional view showing an assembly of a lens driving device according to an embodiment of the present invention.
Fig. 3 is an example of an exploded perspective view showing a base assembly of a lens driving device according to an embodiment of the present invention.
Fig. 4 is an example of a perspective view showing a base assembly of a lens driving device according to an embodiment of the present invention.
Description of the reference numerals
1 Lens driving device
12 Base assembly, 18 housing, 20 base, 21 terminal portion, 21a 1 st terminal portion, 21b 2nd terminal portion, 22a to 22d corner portion, 23 opening portion, 24a to 24d fitting piece, 25a to 25d positioning portion, 30 lens support, 31 screw groove, 32 groove, 33 coil, 34 magnet, 36 washer, 40 lower plate spring, 411 st lower plate spring, 41a, 41b outer side portion, 41c inner side portion, 41d arm portion, 422 nd lower plate spring, 42a, 42b outer side portion, 42c inner side portion, 42d arm portion, 50 driving portion, 60 upper plate spring, 61 outer side portion, 62 inner side portion, 63 arm portion, 121a, 121b outer terminal portion, 122a, 122b inner terminal portion, 123a, 123b connecting portion, 124a, 124b extending portion, 125a, 125b extending portion, 126 protrusion, 181 hanging down portion, 201 base main body portion, 202 cut-out portion, 203.
Detailed Description
Hereinafter, a lens driving device according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. The present invention is not limited to the following embodiments, and various modifications are obviously possible within the scope of the present invention. The drawings are schematic, and the ratio of the dimensions may be different from reality. Specific dimensions and the like are determined with reference to the following description. In addition, the drawings obviously also comprise parts with different dimensional relationships and proportions. In the drawings, the same reference numerals denote the same or equivalent components.
The lens driving device 1 according to an embodiment of the present invention is a camera device for realizing a focus adjustment function by being mounted on an electronic device such as a mobile phone, a smart phone, or the like. For convenience of explanation, in the present embodiment, the photographic subject side in the optical axis direction of the lens driving device 1 is also referred to as the front side or the upper side, and the opposite photographic subject side is referred to as the rear side or the lower side.
As shown in fig. 1, the lens driving device 1 of the present embodiment includes a base assembly 12, a lens support 30 that moves relative to the base assembly 12, a lower leaf spring 40 and an upper leaf spring 60 that support the lens support 30, and a housing 18 that is disposed on the front side of the base assembly 12 so as to accommodate the lens support 30. The driving unit 50 for generating a driving force for relatively moving the lens support 30 with respect to the base assembly 12 includes a coil 33 and a magnet 34. The lower leaf spring 40 also functions as a current path portion for supplying current to the coil 33. Through holes are formed in the centers of the base assembly 12, the lens support 30, the lower leaf spring 40, the upper leaf spring 60, and the housing 18, respectively, and the centers thereof are substantially aligned. A lens body (not shown) is attached to the through hole of the lens support 30, and light from the front side, i.e., the subject side, passes through the through hole and the lens body and enters a light receiving sensor (not shown) on the rear side of the lens driving device 1.
The base assembly 12 has a rectangular shape as viewed from the optical axis direction of the lens body, and has a rectangular nonconductive base 20 having a through hole in the center thereof, and a terminal portion 21 integrally formed with the base 20, as shown in fig. 3.
The base 20 is formed of, for example, an insulating resin material, and has a base body 201 having a substantially square shape, and as shown in fig. 3 and 4, the terminal 21 is insert molded (integrally molded) in a state where a part thereof is exposed. A circular opening 23 is formed near the center of the base 20 at a position corresponding to a light receiving sensor, not shown. The base 20 has a flange 202 protruding outward from the lower side of the outer periphery of the base body 201 and abutting against the rear end of the housing 18, and the flange 202 is provided with a notch 203 cut into the side edge of the base body 201. At four corners of the base main body 201, fitting pieces 24a to 24d are provided to be fitted to the inner wall of the housing 18. The 1 st corner portions 22a and 22d of the base 20 have external terminal portions 121a and 121b of the terminal portion 21, which will be described later, protruding downward from the lower surface of the base body 201. However, in fig. 4, the external terminal portion 121b of the corner portion 22d is not visible. In the 2 nd corner portions 22b, 22c of the base 20 adjacent to the 1 st corner portions 22a, 22d, the internal terminal portions 122a, 122b of the terminal portion 21 described later are exposed from the upper surface of the base main body portion 201. Further, columnar positioning portions 25a to 25d for positioning the lower leaf springs 40 attached to the base assembly 12 are provided on the upper surfaces of the 1 st corner portions 22a, 22d and the 2 nd corner portions 22b, 22 d.
The terminal portion 21 is formed by bending a plate-like metal plate to be connected to an external power supply for supplying current to a driving portion 50 described later. The external power supply is provided outside the lens driving apparatus 1. The terminal portion 21 includes an external terminal portion 121 electrically connected to an external power source and an internal terminal portion 122 electrically connected to the lower leaf spring 40 serving as a current path portion, and the external terminal portion 121 and the internal terminal portion 122 are connected by a connecting portion 123. The terminal portion 21 has a 1 st terminal portion 21a and a 2 nd terminal portion 21b which are independently configured. The external terminal portion 121 is disposed at the 1 st corner 22a, 22d of the base 20, and the internal terminal portion 122 is disposed at the 2 nd corner 22b, 22c adjacent to the 1 st corner 22a, 22 d. The coupling portion 123 extends along the peripheral edge between the 1 st corner portions 22a, 22d and the 2 nd corner portions 22b, 22c.
As described in more detail below. As shown in fig. 3, the terminal portion 21 includes 1 st and 2 nd terminal portions 21a and 21b which are arranged in line symmetry with the virtual center line I-I of the base 20 as a center axis. The 1 st and 2 nd terminal portions 21a, 21b have external terminal portions 121a, 121b and internal terminal portions 122a, 122b. The external terminal portions 121a and 121b are electrically connected to an external power source. The internal terminal portions 122a and 122b are electrically connected to a lower leaf spring 40 as a current path portion described later. The 1 st and 2 nd terminal portions 21a and 21b have coupling portions 123a and 123b for coupling the external terminal portions 121a and 121b and the internal terminal portions 122a and 122b, respectively. The external terminal portion 121a is disposed at the 1 st corner 22a, the internal terminal portion 122a is disposed at the 2 nd corner 22b, the external terminal portion 121b is disposed at the 1 st corner 22d, and the internal terminal portion 122b is disposed at the 2 nd corner 22c. In addition, the coupling portion 123a extends along the peripheral edge between the 1 st corner 22a and the 2 nd corner 22b, and the coupling portion 123b extends along the peripheral edge between the 1 st corner 22d and the 2 nd corner 22c.
The external terminal portions 121a and 121b are formed by bending down one end portions of the connecting portions 123a and 123 b. The internal terminal portions 122a and 122b are bent twice at the other end portions of the connecting portions 123a and 123b so as to be located above the connecting portions 123a and 123 b. The 1 st extending portions 124a and 124b extending in the direction orthogonal to the extending direction of the connecting portions 123a and 123b are formed by changing the direction of the connecting portions 123a and 123b to 90 degrees at the 1 st corner portions 22a and 22 d. Further, 2 nd extending portions 125a, 125b extending in a direction orthogonal to the extending direction of the connecting portions 123a, 123b are formed from the internal terminal portions 122a, 122 b. The 2 nd extension 125 extends obliquely downward from the internal terminal 122, and further extends in a horizontal direction. As a result, the connecting portions 123a and 123b are mainly formed so as to be embedded in the base 20, and the external terminal portions 121a and 121b of the 1 st and 2 nd terminal portions 21a and 21b protrude downward from the lower surface of the 1 st corner portions 22a and 22d of the base 20, respectively. The internal terminal portions 122a and 122b are exposed from the upper surface at the 2 nd corner portions 22b and 22c adjacent to the 1 st corner portions 22a and 22d, respectively. The coupling portions 123a, 123b extend along the peripheral edges between the 1 st corner portions 22a, 22d and the 2 nd corner portions 22b, 22c of the base 20.
The internal terminal portion 122 of the terminal portion 21 is exposed to the upper surface of the base 20 and is electrically connected to a current path portion described later. The exposed inner terminal portion 122 is formed coplanar with the surface of the base 20 surrounding the inner terminal portion 122. As described above, the internal terminal portion 122 is formed to stand up with respect to the terminal portion 21 around it, for example, the coupling portion 123 or the 2 nd extension portion 125. With such a structure, the terminal portion 21 is insert-molded to the base 20, and the base assembly 12 having high strength can be obtained.
Further, a residual protrusion 126 connected to the external housing during insert molding protrudes outside the base 20 from the terminal portion 21. The protrusion 126 is disposed in the cutout 203 of the base 20.
Returning to fig. 1, on the front side of the base assembly 12, the lens support body 30 is supported via a lower leaf spring 40 and an upper plate spring 60. The lower leaf spring 40 is divided into two 1 st and 2 nd lower leaf springs 41 and 42, and is integrally formed of a metal material (conductive material). The 1 st and 2 nd lower leaf springs 41 and 42 also function as current path portions through which current supplied to the driving portion 50 flows, and include outer side portions 41a, 41b, 42a and 42b, inner side portions 41c and 42c, and arm portions 41d and 42d, respectively. The outer side portions 41a, 42a are positioned by the positioning portions 25a, 25d at the 1 st corner portions 22a, 22d, and are fixed to the upper surface of the base 20. The outer side portions 41b, 42b are positioned by the positioning portions 25b, 25c at the 2 nd corner portions 22c, 22d, and are fixed to the upper surface of the base 20. The inner portions 41c, 42c are fixed to the lower portion of the lens support body 30. The arm 41d connects the outer portions 41a, 41b and the inner portion 41c, and the arm 42d connects the outer portions 42a, 42b and the inner portion 42c, and is elastically deformable. The outer portions 41b and 42b are further electrically connected to the inner terminal portions 122a and 122b by solder or the like.
The lens support 30 is provided with a coil 33 on its outer periphery. The coil 30 forms a part of the driving section 50. The lens support 30 may have a circular through hole formed in the center thereof, in which the lens body can be fixed, and may have a screw groove 31 formed in the inner periphery thereof, in which the lens body can be screwed, as shown in fig. 1 and 2. The lens support 30 has an octagonal shape with each corner portion of the square cut out when viewed from the front-rear direction, and a recess 32 for positioning the coil 33 is provided at the substantially central portion of the outer periphery thereof. The coil 33 is disposed by being wound around the groove 32. One end of the coil 33 is connected to, for example, the inner side portion 41c of the 1 st lower leaf spring 41, and the other end is connected to the inner side portion 42c of the 2 nd lower leaf spring 42. With the above configuration, the current supplied from the external power supply to the lens driving device 1 reaches the internal terminal 122a from the external terminal 121a of the 1 st terminal 21a via the connecting portion 123 a. Then, the current flows from the inner terminal 122a to the outer portion 41b of the 1 st lower plate spring 41 of the lower plate spring 40, and reaches the inner portion 41c via the arm portion 41 d. Then, current flows into the coil 30 from the inner side 41c. The current is returned from the coil 30 to the external power supply through the inner portion 42c, arm portion 42d, and outer portion 42b of the 2 nd lower leaf spring 42, and through the inner terminal portion 122b, connecting portion 123b, and outer terminal portion 121b of the 2 nd terminal portion. In this way, current can be supplied to the coil 33, and the lower leaf spring 40 functions as a current path portion.
The upper plate spring 60 is not divided into two as in the lower plate spring 40, but may have the same structure as the lower plate spring 40. The upper plate spring 60 has an outer side portion 61 fixed to the washer 36, an inner side portion 62 disposed on the upper side portion of the lens support body 30, and an arm portion 63 connecting the outer side portion 61 and the inner side portion 62, wherein the washer 36 is fixed to the housing 18. The arm 63 is elastically deformable.
The magnet 34 is disposed in the housing 18, and the coil 33 and the magnet 34 constitute a driving section 50 for generating a driving force for relatively moving the lens support 30 with respect to the base assembly 12. As shown in fig. 2, the magnet 34 is bonded to the case 18 so as to face the coil 33. Further, the magnets 34 are rectangular parallelepiped, and are disposed one inside each side wall of the housing 18. Thus, when a current flows through the coil 33, an electromagnetic force is generated between the magnet 34 and the coil 33, and the relative movement of the lens support 30 and the base assembly 12 can be driven.
The housing 18 is disposed on the front side of the base assembly 12, and is assembled to the base assembly 12 with a substantially circular through hole formed in the center thereof so as to include the lens support 30 therein. The housing 18 may be formed of a magnetic material. When the housing 18 is assembled with the base assembly 12, the fitting pieces 24a to 24d of the base 20 are fitted to the housing 18, and the flange 202 is abutted against the lower end of the housing 18 and fixed by an adhesive. Further, a hanging portion 181 hanging rearward is formed corresponding to each corner of the housing 18. The hanging portion 181 of the housing 18 is disposed so as to be accommodated in a recess formed in the outer periphery of the lens support 30, and can function as a stopper for rotation or movement of the lens support 30.
As described above, in the lens driving device 1 of the present embodiment, the external terminal portion 121 of the terminal portion 21 is disposed at the 1 st corner 22a of the base 20, and the internal terminal portion 122 is disposed at the 2 nd corner 22b adjacent to the 1 st corner 22 a. Thus, the distance between the inner terminal portion 122 and the outer terminal portion 121 can be sufficiently ensured. Even if the external terminal portion 121 is welded after the lens driving device 1 is completed, heat is difficult to transfer from the external terminal portion 121 to the internal terminal portion 122. Therefore, the lower leaf spring 40 serving as the current path portion is less likely to fall off.
In the present embodiment, the terminal portion 21 is integrally formed by insert molding to the base 20, but may be fixed by an adhesive or the like. The driving unit 50 is composed of the coil 33 and the magnet 34, but is not limited thereto, and for example, a piezoelectric element, a shape memory alloy, or the like may be used. The current path portion is a plate spring, but the present invention is not limited to this, and may be a lead wire.
With the above configuration, the lens driving device 1 according to the embodiment of the present invention can be configured, but the lens driving device 1 may be incorporated into a camera device, and the camera device including the lens driving device 1 may be incorporated into an electronic apparatus. As the electronic device, there is a portable terminal such as a smart phone, a game machine, a personal computer, and the like. These mobile terminals may include a camera device including the lens driving device 1.
Claims (9)
1. A lens driving device is characterized by comprising:
a base assembly having a base and a terminal portion provided on the base;
a lens support for fixing the lens body;
A driving part for generating a driving force for relatively moving the lens support body with respect to the base assembly, and
A current path portion electrically connecting the terminal portion and the driving portion,
The shape of the base is rectangular, a through hole is arranged at the center,
The terminal part has an external terminal part electrically connected to an external power source and an internal terminal part electrically connected to the current path part,
The external terminal portion is disposed at a1 st corner of the rectangular base, and the internal terminal portion is disposed at a2 nd corner adjacent to the 1 st corner.
2. The lens driving apparatus according to claim 1, wherein,
The terminal portion has a connecting portion connecting the external terminal portion and the internal terminal portion, and the connecting portion extends along a peripheral edge between the 1 st corner portion and the 2 nd corner portion.
3. The lens driving apparatus according to claim 1, wherein,
The terminal portion includes 1 st and 2 nd terminal portions arranged in line symmetry with respect to a virtual center line of the base, and the 1 st and 2 nd terminal portions include the external terminal portion and the internal terminal portion, respectively.
4. The lens driving apparatus according to claim 1, wherein,
At least a part of the terminal portion is embedded in the base.
5. The lens driving apparatus according to claim 4, wherein,
The internal terminal portion is exposed from the base and electrically connected to the current path portion, and the internal terminal portion is coplanar with a surface of the base surrounding the internal terminal portion.
6. The lens driving apparatus according to claim 5, wherein,
The internal terminal portion is formed to stand up with respect to the terminal portion around the internal terminal portion.
7. The lens driving apparatus according to claim 2, wherein,
The terminal portion further extends from at least one of the external terminal portion or the internal terminal portion in a direction orthogonal to a direction in which the connecting portion extends to form an extension portion.
8. A camera device provided with the lens driving device according to any one of claims 1 to 7.
9. An electronic device provided with the camera apparatus of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811065775.1A CN110895365B (en) | 2018-09-12 | 2018-09-12 | Lens driving device, camera device, and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811065775.1A CN110895365B (en) | 2018-09-12 | 2018-09-12 | Lens driving device, camera device, and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110895365A CN110895365A (en) | 2020-03-20 |
| CN110895365B true CN110895365B (en) | 2025-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811065775.1A Active CN110895365B (en) | 2018-09-12 | 2018-09-12 | Lens driving device, camera device, and electronic equipment |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208607412U (en) * | 2018-09-12 | 2019-03-15 | 新思考电机有限公司 | Lens driver, camera apparatus and electronic equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07241064A (en) * | 1994-02-28 | 1995-09-12 | Canon Inc | Driver |
| JP2010061030A (en) * | 2008-09-05 | 2010-03-18 | Nidec Sankyo Corp | Lens drive device |
| JP2010066286A (en) * | 2008-09-08 | 2010-03-25 | Nidec Sankyo Corp | Lens drive device |
| JP2014010380A (en) * | 2012-07-02 | 2014-01-20 | Panasonic Corp | Lens actuator |
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2018
- 2018-09-12 CN CN201811065775.1A patent/CN110895365B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208607412U (en) * | 2018-09-12 | 2019-03-15 | 新思考电机有限公司 | Lens driver, camera apparatus and electronic equipment |
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