CN114296295B - Optical component driving device, camera device, and electronic device - Google Patents
Optical component driving device, camera device, and electronic device Download PDFInfo
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- CN114296295B CN114296295B CN202010998659.6A CN202010998659A CN114296295B CN 114296295 B CN114296295 B CN 114296295B CN 202010998659 A CN202010998659 A CN 202010998659A CN 114296295 B CN114296295 B CN 114296295B
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Abstract
本发明提供一种光学部件驱动装置、照相机装置以及电子设备，其中能够进行精细抖动校正。光学部件驱动装置(100)在XYZ正交坐标系中，具备：AF模块(3)，其作为光学部件，具有以Z方向为光轴(O)的方向的透镜体(130)、将经由透镜体(130)入射的光变换成图像信号的图像传感器(190)；固定部，其设置成包围AF模块(3)；四个磁石(35)，其以包围光轴(O)的方式设于AF模块(3)的外侧表面；八个线圈(4)，其以包围光轴(O)的方式设于FPC(5)的内侧表面，与磁石(35)对向。从而，通过磁石(35)与线圈(4)之间的电磁力，来使AF模块(3)绕X以及Y方向的轴倾斜活动。
The present invention provides an optical component driving device, a camera device and an electronic device, wherein fine shake correction can be performed. The optical component driving device (100) comprises, in an XYZ orthogonal coordinate system: an AF module (3) as an optical component, having a lens body (130) with the Z direction as the direction of the optical axis (O), an image sensor (190) for converting light incident through the lens body (130) into an image signal; a fixing part, which is arranged to surround the AF module (3); four magnets (35) arranged on the outer surface of the AF module (3) in a manner of surrounding the optical axis (O); and eight coils (4) arranged on the inner surface of an FPC (5) in a manner of surrounding the optical axis (O) and facing the magnets (35). Thus, the AF module (3) is tilted around the axis in the X and Y directions by the electromagnetic force between the magnets (35) and the coils (4).
Description
Technical Field
The present invention relates to an optical component driving device, a camera device, and an electronic device used for an electronic device such as a smart phone.
Background
In a camera device for an electronic apparatus such as a smart phone, a coil and a magnet are provided on a carrier holding a lens body and a holder holding the carrier, respectively, and the magnitude of a current flowing through each coil is controlled individually to realize autofocus control or shake correction. Patent document 1 discloses a technique related to such a camera device.
The photographing optical device disclosed in patent document 1 includes a camera module including a lens and an image pickup element, and a shake correction device for correcting shake of an optical image formed by the lens on the image pickup element. The shake correction device includes a support body that swingably supports the camera module, and a swing drive mechanism for swinging the camera module to tilt an optical axis of the lens of the support body, thereby correcting shake. The swing driving mechanism is composed of four shake correction magnets fixed on the outer surface of the camera module and four shake correction coils respectively facing each shake correction magnet from the outside.
[ Prior Art literature ]
[ Patent literature ]
Japanese patent application laid-open No. 2011-257506A
Disclosure of Invention
[ Problem ] to be solved by the invention
However, the technique of patent document 1 has a problem in that, however, four pairs of coils and magnets are circularly arranged around the camera module to control roughness.
The present invention has been made in view of the above problems, and an object of the present invention is to provide an optical component driving device capable of performing fine shake correction control.
[ Means for solving the problems ]
In order to solve the above problems, an optical member driving device according to a preferred embodiment of the present invention includes, in an XYZ orthogonal coordinate system, an optical member including a lens body having a Z direction as an optical axis and an image sensor for converting light incident through the lens body into an image signal, a fixing portion provided so as to surround the optical member, a plurality of magnets provided so as to surround the optical axis on one of an outer side surface of the optical member and an inner side surface of the fixing portion, and eight coils provided so as to surround the optical axis on the other of the outer side surface of the optical member and the inner side surface of the fixing portion, the eight coils being opposed to the magnets, and the optical member being tilted around the X and Y axes by electromagnetic force between the magnets and the coils.
In addition, the coils may be electrically connected to each other so as to sandwich two coils on opposite sides of the optical axis so as to generate electromagnetic forces in opposite directions in the front-rear direction when current flows.
In addition, the coils may be configured to electrically connect two adjacent coils so as to generate electromagnetic forces having the same direction in the front-rear direction when current flows, and to form four coil groups, and to electrically connect the two coil groups on the opposite sides of the optical axis so as to generate electromagnetic forces having opposite directions in the front-rear direction when current flows.
In the eight coils, four coils may be wound around the winding shaft in the X direction, and the magnets may be opposed to each other in the X direction, and the remaining four coils may be wound around the winding shaft in the Y direction, and the magnets may be opposed to each other in the Y direction.
Further, all of the eight coils may be wound around a winding shaft in the Z direction, and may face the magnet in the Z direction.
The fixing portion may further include a bracket for holding the base plate and the coil or the magnet, wherein the bracket may have four walls forming a quadrangle, and a leg portion extending rearward may be provided on one diagonal of the quadrangle, and the leg portion may be placed and fixed on the front surface of the base plate.
Further, the image sensor may further include an FPC electrically connected to the image sensor, and the FPC may be located in a space between a rear surface of the holder and a front surface of the chassis.
As another preferred embodiment of the present invention, the camera device includes the optical member driving device.
As another preferable embodiment of the present invention, the electronic device includes the camera device.
[ Effect of the invention ]
An optical member driving device is provided with an optical member having a lens body in a direction of an optical axis in a Z direction and an image sensor for converting light incident through the lens body into an image signal in an XYZ orthogonal coordinate system, a solid portion provided so as to surround the optical member, a plurality of magnets provided so as to surround one of an outer side surface of the optical member and an inner side surface of the fixed portion, and eight coils provided so as to surround the optical axis on the other of the outer side surface of the optical member and the inner side surface of the fixed portion, the coils facing the magnets, and the optical member being tilted around axes in X and Y directions by electromagnetic force between the magnets and the coils. Thus, an optical component driving apparatus capable of performing fine shake correction control can be provided.
Drawings
Fig. 1 is a front view of a smartphone 102 mounted with a camera device 101 including an optical component driving device 100 as an embodiment of the present invention.
Fig. 2 is a perspective view of the optical member driving apparatus 100 of fig. 1.
Fig. 3 is a perspective view of the optical component driving apparatus 100 of fig. 2 exploded.
Fig. 4 is a perspective view with the cover 1 removed from fig. 2.
Fig. 5 is a perspective view of the gimbal spring 2 removed from fig. 4.
Fig. 6 is a perspective view of the image sensor section of fig. 3.
Fig. 7 is a perspective view of the housing 7 removed from fig. 6.
Fig. 8 is a perspective view of the change of angle in fig. 4.
Fig. 9 is a perspective view from the inside with the bottom plate 9 removed from fig. 2.
Detailed Description
Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in fig. 1, a camera apparatus 101 including an optical component driving apparatus 100 as an embodiment of the present invention is housed in a housing of a smartphone 102.
The camera apparatus 101 has an optical component driving apparatus 100. Here, the X-axis, Y-axis, and Z-axis are orthogonal to each other using an XYZ orthogonal coordinate system. The direction of the optical axis O of the lens body 130 is parallel to the Z direction in the initial state. The side of the object is +z side, sometimes referred to as front side, and the opposite side (image sensor 190 side) is-Z side, sometimes referred to as rear side, as viewed from the lens body 130.
As shown in fig. 3, the optical component driving apparatus 100 has a housing 1, a gimbal spring 2, an AF (Autofocus) module 3 as an optical component, four magnets 35, eight coils 4, an FPC5, a holder 6, and a chassis 9. The outer frame body composed of the cover 1 and the bottom plate 9 accommodates each component. Among these parts, the AF module 3 and the four magnets 35 constitute a movable part. The cover 1, the eight coils 4, the FPC5, the holder 6, and the chassis 9 constitute a fixing portion. The gimbal spring 2 connects the movable portion and the fixed portion, and is supported so as to be capable of tilting movement about the X and Y axes with respect to the movable portion fixed portion. Here, the tilting movement in the direction around the axis of the X and Y directions also includes tilting movement in the direction around the axis of the direction intermediate to the X and Y directions. In the present embodiment, the optical component driving apparatus 100 performs shake correction by tilting the AF module 3 in the directions about the axes of the X and Y directions.
The AF module 3 has a lens body 130, a lens driving device, and an image sensor section. The lens driving device includes a lens body 130 and an actuator (not shown) inside an inner frame body composed of an inner cover 31 and a base 37. The image sensor section includes a housing 7, an FPC8, a sensor substrate 191, and an image sensor 190, and is mounted on the base 37. The actuator drives the lens body 130 in a direction parallel to the optical axis O of the lens body 130. Examples of the drive source of the actuator include, but are not limited to, a magnet, a coil, a piezoelectric element, and a shape memory alloy. In addition, the actuator may not be provided, and the focus may be fixed. Conversely, a plurality of lens bodies 130 may be driven.
The inner cover 31 has a front plate 311 and four side plates 312 extending along the Z-side from four sides of the front plate 311. Through holes are provided in the front plate 311 and the base 37 of the inner cover 31, respectively. The lens body 130 is exposed to the +z side through the through hole of the inner cover 31.
Four magnets 35 are provided on the outer surfaces of the four side plates 312 of the inner cover 31. For each magnet 35, two rectangular parallelepiped magnet pieces are arranged in parallel in the Z direction. The two magnet pieces are magnetized so that the magnetic poles in the plate surface direction are opposite magnetic poles. The magnets 35 may be formed by magnetizing one magnet piece as in the above-described magnetic pole arrangement.
In the image sensor section, the image sensor 190 is mounted together with the sensor board 191 in the center of the FPC8, and the housing 7 is configured to be mounted to the FPC8 from the front side of the image sensor 190. The frame 7 is mounted on the rear surface of the base 37. The image sensor 190 is rectangular and is located right behind the lens body 130, and converts light incident through the lens body 130 into an image signal and outputs the image signal.
The FPC8 electrically connects the body of the camera device 101 and the image sensor 190 of the AF module 3 and the actuator.
The cover 1 has a front plate 11 and four side plates 12 extending along the-Z side from four sides of the front plate 11. The cover 1 and the bottom plate 9 are combined as an outer frame. The front plate 11 of the cover 1 is provided with a through hole 10. The four wall portions 61 of the holder 6 are opposed to each other in the X and Y directions.
The bracket 6 is a quadrangular frame-like body having 2 pairs of wall portions 61 facing each other in the X-direction Y-direction, and has a leg portion 63 extending rearward at one diagonal corner. The leg 63 is placed on and fixed to the front surface of the bottom plate 9. A concave portion recessed inward is provided on the outer surface of the wall portion 61 of the holder 6 except for the corner portion where the wall portion 61 on the X side and the wall portion 61 on the +y side intersect. In this recess, the FPC5 is fixed. The FPC5 is bent along the concave portion. The FPC5 electrically connects the body of the camera device 101 with a coil 4 and a hall element 49 described later.
The four wall portions 61 are provided with long holes 62. In the long holes 62 of the four wall portions 61, the eight coils 4 are housed two by two along each side length direction of the quadrangle. The coil 4 fixed to the wall 61 facing in the X direction is wound around the spool in the X axis direction, and the coil 4 fixed to the wall 61 facing in the Y direction is wound around the spool in the Y axis direction. One hall element 49 is arranged in each hollow portion of the Y-side coil 4 of the coils 4 fixed to the wall 61 on the +x side, the +y-side coil 4 of the coils 4 fixed to the wall 61 on the-X side, and the X-side coil 4 of the coils 4 fixed to the wall 61 on the-Y side. The coil 4 and the hall element 49 are fixed to the inner surface of the FPC5 and face the magnet 35.
Preferably, for eight coils 4, for example, two coils 4 located on opposite sides across the optical axis O are electrically connected in series, respectively, and a group of four coils is provided. When a current flows through the two coils 4, electromagnetic forces are generated which are oppositely oriented in the front-back direction and have the same magnitude. Accordingly, the AF module 3 can be tilted with the direction orthogonal to the line connecting the two coils 4 as the axial direction without generating an unnecessary force for moving the AF module 3 in the Z direction.
Two hall elements 49 among the 3 hall elements 49 are arranged at positions separated from each other on opposite sides with respect to the optical axis O. The remaining one hall element 49 is arranged at a position separated from the optical axis O in a direction orthogonal to the direction connecting the two hall elements 49. That is, the 3 hall elements 49 are arranged at 90-degree intervals centering on the optical axis O. The hall element 49 detects a magnetic field from the magnet 35 facing the hall element 49, and outputs a signal indicating the detection result. This signal corresponds to the position of the magnet 35 in the Z direction, which is opposite to the hall element 49. By deriving the Z-direction position, even if the Z-direction position of the AF module 3 is shifted during tilting, the shift amount can be detected, and thus accurate tilting can be derived. The 3 hall elements 49 are located at equidistant positions from the optical axis O.
The gimbal spring 2 has an inner frame portion 21, a middle frame portion 22, and an outer frame portion 23. The inner frame portion 21 and the middle frame portion 22 are connected at the central portion in the X direction by the 1 st connecting portion 24, and the middle frame portion 22 and the outer frame portion 23 are connected at the central portion in the Y direction by the 2 nd connecting portion 25.
The inner frame portion 21 of the gimbal spring 2 is fixed to the periphery of the front plate 311 of the inner cover 31 of the AF module 3. The outer frame portion 23 of the gimbal spring 2 is fixed to the front end of the wall portion 61 of the bracket 6. The AF module 3 and the magnet 35 as movable portions are supported by the gimbal springs 2 in a state floating in the space inside the four wall portions 61 of the holder 6.
The FPC8 is a point-symmetrical thin plate. The FPC8 includes a main body 82, an image sensor connection 83, an external terminal 81, an external terminal connection 84, and a connection 85. The body 82 has a rectangular shape. A hole is provided in the center of the body 82, the image sensor 190 is fixed to the sensor substrate 191, the hole is fitted from the rear side, and the body 82 is fixed to the front surface of the sensor substrate 191.
The image sensor connecting portion 83, the external terminal portion 81, the external terminal connecting portion 84, and the connecting portion 85 are provided two by two, respectively, at a point symmetrical position with respect to the center of the image sensor 190. The image sensor connecting portion 83 extends outward, i.e., toward the +x direction and the-X direction, from a base end of a position near the Y side of the +x side and a base end of a position near the +y side of the-X side of the periphery of the body portion 82, respectively. The front end of the image sensor connecting portion 83 is connected to one end of the connecting portion 85.
The connecting portion 85 has an L-shape, and a bending angle thereof corresponds to a corner of the leg portion 8 where the bracket 6 is not provided. The connecting portion 85 is bent at right angles from a portion adjacent to the image sensor connecting portion 83, and extends in the +y direction along the +x side, and extends in the X direction along the +y side around the outside of the corner of the main body 82. On the other hand, the side on the-X side extends in the-Y direction, and the side on the-Y side extends in the +x direction around the outside of the corner of the body 82. The other end of the connecting portion 85 is connected to the front end of the external terminal connecting portion 84. That is, one of the two L-shaped coupling portions 85 is provided along the 2 sides of the rectangular main body 82, and the other is provided along the remaining 2 sides of the main body 82. The coupling portion 85 is located in a space between the rear surface of the bracket 6 formed by the leg portions 63 and the front surface of the bottom plate 9, and is located near the center therebetween. Thus, even if the AF module 3 moves obliquely and the FPC8 moves forward and backward, unnecessary contact with other parts is less likely to occur.
The external terminal connection portion 84 extends inward, i.e., in the-Y direction and the +y direction, from the base end of the external terminal portion 81 side, and is connected to the other end of the connection portion 85. An external terminal 811 is provided on the rear surface of the external terminal portion 81. At the portion of the external terminal connection portion 84, the FPC8 protrudes from the gap between the cover 1 and the chassis 9 formed by the cutout provided in the cover 1 to the outside of the optical member driving device 100, and the external terminal 811 is connected and fixed to an external substrate. The direction in which the image sensor connection portion 83 extends from the main body portion 82 is orthogonal to the direction in which the external terminal connection portion 84 extends from the external terminal portion 81.
The FPC5 is provided with a control unit (not shown). The control unit performs detection control to determine the inclination of the Z axis relative to the movable unit based on the output signals of the 3 Hall elements 49 of the movable unit, and drive control to individually control the current flowing through the coil 4 based on the result to operate the movable unit. The control unit may be provided outside the optical component driving apparatus 100.
In the detection control, for example, the control unit first calculates an average value of output signals of two hall elements 49 arranged at positions separated from each other on opposite sides around the optical axis O among the 3 hall elements 49, and calculates the Z-direction position of the movable unit based on the average value. The difference between the average value and any output signal of the two hall elements 49 is calculated, and the deviation between the position of the movable part in the Z direction and the position of the magnet 35 in the Z direction is calculated from the difference. The amount of inclination of the in-plane moving portion formed by the magnet 35 and the optical axis O with respect to the Z axis is calculated from the deviation between the distance from the optical axis O to the magnet 35 and the position of the magnet 35 in the Z direction. Next, the difference between the average value of the output signals of the two hall elements 49 and the output signal of the remaining one (i.e., 3 rd hall element) 49 is calculated, and the deviation between the Z-direction position of the movable portion and the Z-direction position of the magnet 35 is calculated from the difference. The amount of tilt with respect to the Z axis in the plane formed by the magnet 35 facing the remaining one hall element 49 and the optical axis O is calculated from the deviation between the distance from the optical axis O to the magnet 35 and the position of the magnet 35 in the Z direction.
In the driving control, the control unit causes a current to flow through the coil 4 so that the AF module 3 is properly tilted for the purpose of jitter correction. When currents flow through the predetermined two coils 4 located on opposite sides with the optical axis O therebetween, electromagnetic forces of opposite directions and the same magnitude are generated in the front-rear direction. Since the number of the coils 4 which generate electromagnetic force in opposite directions across the optical axis O is 4 in this way, by passing appropriate currents through the respective coils 4, the AF module 3 can be tilted about the axis in the predetermined direction in the XY plane, and fine shake correction control can be performed.
The above is a detail of the configuration of the present embodiment. The optical component driving apparatus 100 according to the present embodiment includes, in an XYZ orthogonal coordinate system, an AF module 3 as an optical component, the AF module having a lens body 130 in a direction of an optical axis O in a Z direction and an image sensor 190 for converting light incident through the lens body 130 into an image signal, a fixing portion provided so as to surround the AF module 3, four magnets 35 provided on an outer surface of the AF module 3 so as to surround the optical axis O, and eight coils 4 provided on an inner surface of the FPC5 so as to surround the optical axis O, the eight coils being opposed to the magnets 35. Accordingly, the AF module 3 is tilted about the X and Y axes by the electromagnetic force between the magnet 35 and the coil 4. Thus, the optical component driving apparatus 100 capable of performing fine shake correction control can be provided.
In the above embodiment, eight coils 4 may be provided in the movable portion, and four magnets 35 may be provided in the fixed portion. Eight coils 4 wound around a winding shaft in the Z direction may be arranged on the front surface of the base plate 9, and magnets 35 may be arranged on the rear surface of the AF module 3. In this case, it is preferable that the magnet 35 is arranged such that a single magnetic pole in the Z direction faces the coil 4, and the magnetic flux of at least one component in the X direction or the Y direction crosses the coil 4.
In the above embodiment, 2 holes may be provided in the four wall portions 61 of the holder 6, and one coil 4 may be accommodated in each of the two holes.
When current flows, electromagnetic forces of the same direction in the front-rear direction are generated, and two adjacent coils 4 are electrically connected to form four coil groups, and when current flows, electromagnetic forces of opposite directions in the front-rear direction are generated, two coil groups on opposite sides with the optical axis O interposed therebetween may be electrically connected. In this case, the two coils 4 electrically connected may be two coils 4 disposed on the same wall 61, or may be two coils 4 disposed on two adjacent wall 61. The coil 4 is not electrically connected to other coils 4, and can independently flow a current. The coil 4 is not limited to eight, and may be four or the like. In this case, the control is simple.
[ Symbolic description ]
1 Housing, 2 gimbal spring, 3AF module, 4 coil, 5, 8FPC, 6 bracket, 7 frame, 9 bottom plate, 10 through hole, 11, 311 front plate, 12, 312 side plate, 21 inner frame portion, 22 middle frame portion, 23 outer frame portion, 24 1 st connecting portion, 25 nd connecting portion, 31 inner cover, 35 magnet, 37 base, 49 Hall element, 61 wall portion, 62 long hole, 63 leg portion, 80 hole, 81 external terminal portion, 82 body portion, 83 image sensor connecting portion, 84 external terminal connecting portion, 85 connecting portion, 100 optical component driving device, 101 camera device, 102 smart phone, 130 lens body, 190 image sensor, 191 sensor substrate, 811 external terminal.
Claims (8)
1. An optical component driving device is characterized by comprising:
An optical member having a lens body in a direction of an optical axis in a Z direction, and an image sensor for converting light incident through the lens body into an image signal;
a fixing portion provided so as to surround the optical member;
A plurality of magnets provided on one of an outer side surface of the optical member or an inner side surface of the fixing portion so as to surround the optical axis, and
Eight coils provided on the other of the outer surface of the optical member and the inner surface of the fixing portion so as to surround the optical axis, the eight coils facing the magnet,
The optical component is tilted around the axes in the X and Y directions by the electromagnetic force between the magnet and the coil,
The fixing part is also provided with a bracket for holding the bottom plate, the coil or the magnet,
The bracket forms a quadrangle through four wall parts, one diagonal corner of the quadrangle is provided with a leg part extending backward, the leg part is placed and fixed on the front surface of the bottom plate,
The optical component driving apparatus further includes an FPC electrically connected to the image sensor,
The FPC has a main body portion, an image sensor connection portion, an external terminal connection portion, and a connection portion,
The connecting portion has an L-shape with a bent angle corresponding to a corner portion of the leg portion where the bracket is not provided, one end of the connecting portion being connected to a front end of the image sensor connecting portion extending outward from a peripheral edge of the main body portion, the other end of the connecting portion being connected to a front end of an external terminal connecting portion extending inward from the external terminal portion,
The coupling portion of the FPC is located near the center of a space between the rear surface of the bracket and the front surface of the chassis.
2. The optical component driving apparatus according to claim 1, wherein,
The coils are electrically connected to each other so as to generate electromagnetic forces in opposite directions in the front-rear direction when current flows, the two coils being located on opposite sides with the optical axis therebetween.
3. The optical component driving apparatus according to claim 1, wherein,
The coils electrically connect two adjacent coils to form four coil groups so as to generate electromagnetic forces of the same orientation in the front-rear direction when current flows, and electrically connect the two coil groups on opposite sides with the optical axis therebetween so as to generate electromagnetic forces of opposite orientations in the front-rear direction when current flows.
4. The optical component driving apparatus according to claim 1, wherein,
Of the eight coils, four coils are wound around the winding shaft in the X direction, and face the magnet in the X direction, and the remaining four coils are wound around the winding shaft in the Y direction, and face the magnet in the Y direction.
5. The optical component driving apparatus according to claim 1, wherein,
The eight coils are all wound around a winding shaft in the Z direction, and are opposite to the magnet in the Z direction.
6. The optical component driving apparatus according to claim 1, wherein,
The optical component driving apparatus further has a gimbaled spring,
The universal spring comprises an inner frame part, a middle frame part, an outer frame part, a 1 st connecting part for connecting the inner frame part and the middle frame part, and a 2 nd connecting part for connecting the middle frame part and the outer frame part,
The optical component is an AF module having the lens body, a lens driving device having the lens body and an actuator inside an inner frame body constituted by an inner cover and a base,
The inner frame portion of the gimbal spring is fixed to a peripheral edge of a front plate of the inner cover of the AF module, the outer frame portion of the gimbal spring is fixed to a front end of a wall portion of a bracket, and the AF module is supported under a state floating in a space inside the four wall portions of the bracket.
7. A camera device comprising the optical member driving device according to any one of claims 1 to 6.
8. An electronic device comprising the camera device according to claim 7.
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| CN202010998659.6A CN114296295B (en) | 2020-09-22 | 2020-09-22 | Optical component driving device, camera device, and electronic device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010998659.6A CN114296295B (en) | 2020-09-22 | 2020-09-22 | Optical component driving device, camera device, and electronic device |
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| CN114296295A CN114296295A (en) | 2022-04-08 |
| CN114296295B true CN114296295B (en) | 2025-07-11 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104765221A (en) * | 2009-08-21 | 2015-07-08 | 三美电机株式会社 | Lens drive apparatus, camera module and camera |
| CN105005169A (en) * | 2015-07-13 | 2015-10-28 | 成都西可科技有限公司 | Photographing jitter-prevention device and method based on OIS vector dynamic weighting control |
| CN212255972U (en) * | 2020-09-22 | 2020-12-29 | 新思考电机有限公司 | Optical member driving device, camera device, and electronic apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108153081A (en) * | 2018-03-01 | 2018-06-12 | 天津迪思科博科技发展有限公司 | Optical anti-shake voice coil motor |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104765221A (en) * | 2009-08-21 | 2015-07-08 | 三美电机株式会社 | Lens drive apparatus, camera module and camera |
| CN105005169A (en) * | 2015-07-13 | 2015-10-28 | 成都西可科技有限公司 | Photographing jitter-prevention device and method based on OIS vector dynamic weighting control |
| CN212255972U (en) * | 2020-09-22 | 2020-12-29 | 新思考电机有限公司 | Optical member driving device, camera device, and electronic apparatus |
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