CN114114601A - Lens driving mechanism and frame thereof - Google Patents
Lens driving mechanism and frame thereof Download PDFInfo
- Publication number
- CN114114601A CN114114601A CN202111629832.6A CN202111629832A CN114114601A CN 114114601 A CN114114601 A CN 114114601A CN 202111629832 A CN202111629832 A CN 202111629832A CN 114114601 A CN114114601 A CN 114114601A
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- China
- Prior art keywords
- frame
- base
- magnet
- side portions
- electrically connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
- G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
Abstract
The invention discloses a lens driving mechanism and a frame thereof, the lens driving mechanism comprises a carrier, a base and a magnet, the carrier is provided with a coil matched with the magnet, the base is provided with a base built-in circuit, the lens driving mechanism is characterized in that the frame is provided with a frame embedded metal sheet and a central opening, the frame embedded metal sheet is used for electrically connecting the base built-in circuit with the coil, a magnet installation part used for installing the magnet is formed around the central opening of the frame, and one part of the frame embedded metal sheet is exposed out of the surface of the magnet installation part and matched with the magnet to position the magnet. The invention has the beneficial technical effects of simple structure, controllable cost and convenient operation.
Description
Technical Field
The invention relates to the field of optics, in particular to a lens driving mechanism and a frame thereof.
Background
In general, a small camera module is mounted in a portable terminal such as a smartphone. Such a camera module is applied to a lens driving apparatus having an Auto Focus function (hereinafter referred to as "AF function" for Auto Focus) for automatically focusing an object to be photographed and a shake correction function (hereinafter referred to as "OIS function" for Optical Image Stabilization) for optically correcting shake (vibration) generated during photographing to reduce Image blur.
The lens driving device for auto focusing and shake correction includes an auto focusing driving unit (hereinafter referred to as "AF driving unit") for moving a lens unit in an optical axis direction, and a shake correction driving unit (hereinafter referred to as "OIS driving unit") for swinging the lens unit in a plane orthogonal to the optical axis direction.
The AF driving unit of the VCM driving method includes, for example: an autofocus coil unit (hereinafter referred to as an "AF coil unit") disposed around the lens unit; and an autofocus magnet unit (hereinafter referred to as an "AF magnet unit") disposed at a distance in the radial direction from the AF coil unit. An autofocus movable unit (hereinafter referred to as "AF movable unit") including a lens unit and an AF coil unit is supported by an autofocus supporting member (hereinafter referred to as "AF supporting member", for example, a leaf spring) in a state of being spaced apart in a radial direction from an autofocus fixing unit (hereinafter referred to as "AF fixing unit") including an AF magnet unit. The AF moving part is moved in the optical axis direction by the driving force of a voice coil motor composed of an AF coil part and an AF magnet part, thereby automatically focusing.
Along with the great popularization of intelligent terminals such as smart phones and tablet computers, the application range of small camera modules is larger and larger, however, a magnet used for being matched with a coil in the existing lens driving device is usually arranged on a frame, and a positioning device is not arranged between the magnet and the frame, so that the positioning in the magnet installation process is not accurate.
Disclosure of Invention
An object of the present invention is to provide a lens driving mechanism and a frame thereof, so as to solve the above problems in the prior art.
In order to solve the above problems, according to an aspect of the present invention, there is provided a frame of a lens driving mechanism, the lens driving mechanism including a carrier, a base, and a magnet, the carrier being provided with a coil to be fitted with the magnet, the base being provided with a base built-in circuit, the frame being provided with a frame embedded metal sheet having a central opening, the frame embedded metal sheet being used to electrically connect the base built-in circuit with the coil, a magnet mounting portion for mounting the magnet being formed around the central opening of the frame, a part of the frame embedded metal sheet being exposed to a surface of the magnet mounting portion and being fitted with the magnet to position the magnet.
In one embodiment, four frame side portions are formed around the central opening, the magnet mounting portion is a magnet groove formed in the frame side portion, and a part of the metal sheet embedded in the frame is exposed out of a side wall and/or a top wall of the magnet groove and is matched with the magnet to position the magnet.
In one embodiment, two ends of the magnet groove are respectively provided with a placing groove, an elastic binding post is arranged in each placing groove, one end of each elastic binding post is electrically connected with the metal sheet embedded in the frame, and the other end of each elastic binding post is electrically connected with the coil.
In one embodiment, the frame embedded metal sheet exposes a first power-on point at least one end corner of the top end of the frame, and the first power-on point is electrically connected with the base built-in circuit.
In one embodiment, the frame embedded metal sheet includes four integrally formed side portions which are formed into a sheet shape and extend in a direction parallel to the base, wherein the four side portions protrude upward and are provided at respective both ends with protruding pieces extending downward, the top portions of the protruding pieces are exposed to the top end face of the frame to be electrically connected to the base built-in circuit, and main portions of the protruding pieces are exposed to the side portions of the frame and are electrically connected to the coil.
In one embodiment, the frame embedded metal sheet comprises four integrally molded side portions, the four side portions are formed into a sheet shape and extend along a direction perpendicular to the base, two adjacent side portions are connected through a corner portion parallel to the base, the corner portion is provided with a first power-on point protruding outwards so as to be electrically connected with the base built-in circuit, and at least one part of the four side portions is exposed out of the frame side portions and is electrically connected with the coil.
In one embodiment, the frame embedded metal sheet comprises four integrally formed top portions which are formed into a sheet shape and extend in a direction parallel to the base, two adjacent top portions are connected by a corner portion parallel to the base, the corner portion is provided with a first power-on point protruding outwards to be electrically connected with the built-in circuit of the base, and the four top portions are provided with four side portions extending vertically downwards, and at least one part of the four side portions is exposed out of the frame side portion and is electrically connected with the coil.
In one embodiment, guide slopes are provided at both ends of the magnet groove to guide the magnet when the magnet is mounted.
In one embodiment, the lens driving mechanism further comprises an upper spring plate and a lower spring plate, the upper end surface of the frame is provided with an upper spring plate connecting column to be connected with the upper spring plate, the lower end surface of the end corner of the frame is provided with a lower spring plate connecting column to be connected with the lower spring plate, the inner side of the corner of the frame is provided with a carrier limiting groove to limit the longitudinal movement of the carrier, and a carrier limiting protrusion is further arranged below the carrier limiting groove to limit the movement range of the carrier; preferably, the lens driving mechanism further comprises a housing, a top end of the frame is provided with a top protrusion to contact with the housing, and a bottom end of the frame is provided with a bottom protrusion to contact with the base, thereby preventing the housing and the base from striking the upper spring and the lower spring.
According to another aspect of the present invention, there is also provided a lens driving mechanism including the above-described frame.
According to the invention, the metal sheet embedded in the frame is arranged in the frame, and at least part of the metal sheet embedded in the frame is exposed out of the magnet mounting part, so that the magnetic force effect of the metal sheet embedded in the frame and the magnet is utilized to play a role in positioning the magnet, and the magnetic positioning device has the beneficial technical effects of simple structure, controllable cost and convenience in operation.
Drawings
Fig. 1 is an exploded perspective view of a frame according to one embodiment of the present invention.
Fig. 2 is a perspective view of a frame of one embodiment of the present invention.
Fig. 3 is a partially enlarged view of fig. 2.
Fig. 4 is an exploded perspective view of a frame according to one embodiment of the present invention.
Fig. 5 is a perspective view of a frame of one embodiment of the present invention.
Fig. 6 is an exploded perspective view of a frame according to one embodiment of the present invention.
Fig. 7 is a perspective view of a frame of one embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but are merely intended to illustrate the spirit of the technical solution of the present invention.
In the following description, for the purposes of illustrating various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details. In other instances, well-known devices, structures and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.
Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In the following description, for the purposes of clearly illustrating the structure and operation of the present invention, directional terms will be used, but terms such as "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be construed as words of convenience and should not be construed as limiting terms.
The invention relates to a lens driving mechanism and a frame thereof, which can be used in terminal products such as mobile phones, tablet computers and the like to realize functions such as photographing, video recording and the like in cooperation with a lens. The lens driving mechanism generally comprises a carrier, a base, a frame, an upper reed, a lower reed and a shell, wherein the carrier is used for mounting a lens and is provided with a driving coil, the frame is provided with a magnet, the carrier is mounted in the frame, the upper reed movably connects the carrier with the upper surface of the frame, the lower reed movably connects the carrier with the lower surface of the frame, the magnet is matched with the driving coil to drive the carrier to move along the optical axis direction of the lens, the optical zooming function is realized, a base built-in circuit is arranged in the base, and the driving coil is powered.
In some embodiments, an anti-shake coil may be further disposed in the base, and the anti-shake coil cooperates with the magnet to drive the frame and the carrier to move on a plane perpendicular to the optical axis, so as to achieve an optical anti-shake function.
The frame of the lens driving mechanism of the present invention will be specifically described with reference to the accompanying drawings.
Fig. 1 is an exploded perspective view of a frame 10 according to one embodiment of the present invention. Fig. 2 is a perspective view of a frame 10 according to an embodiment of the present invention, and fig. 3 is a partially enlarged view of fig. 2. As shown in fig. 1 to 3, in one embodiment, the frame 10 is provided with a frame-embedded metal sheet 20 and has a central opening 11, the frame-embedded metal sheet 20 is used for electrically connecting the base built-in circuit and the driving coil, a magnet mounting portion for mounting a magnet is formed around the central opening 11 of the frame, and a part of the frame-embedded metal sheet 20 is exposed to the surface of the magnet mounting portion and cooperates with the magnet to position the magnet. In the process of mounting the magnets on the frame, the magnets are directly placed in the magnet mounting parts of the frame at present, however, because the magnet mounting groove is usually a semi-open groove, the magnets are easy to move after being placed in the semi-open groove, and the positions of the magnets are difficult to accurately fix. The device has the excellent technical effects of simple structure, controllable cost and convenient operation.
In the embodiment shown in fig. 2, four frame side portions 12 are formed around the central opening 11, the magnet mounting portions are magnet grooves 121 provided in the frame side portions 12, and a part of the frame insert metal sheet 20 is exposed to the top wall of the magnet groove 121 (the position shown in fig. 2 is the frame upside down) and cooperates with the magnets to position the magnets.
Referring to fig. 1, in one embodiment, the frame insert metal sheet 20 includes four side portions 21 formed integrally, the four side portions 21 are formed in a sheet shape and extend in a direction parallel to the base, wherein the four side portions 21 protrude upward and are provided with protruding pieces 212 extending downward at respective both ends, a top portion 213 of the protruding piece 212 is exposed at a top end surface of the frame to form a first conduction point for electrically connecting with the base built-in circuit, and a main portion (an inner side surface of the protruding piece 212 shown in fig. 1) of the protruding piece 212 is exposed at a side portion of the frame to form a second conduction point 216 and electrically connecting with the coil on the carrier, thereby electrically connecting the base built-in circuit with the coil through the frame insert metal sheet 20. That is, in this embodiment, the side portion 21 of the frame fitting metal piece 20 is exposed to the top wall of the magnet groove 121 to position the magnet, and the protruding piece 212 formed to extend downward from the side portion 21 forms a first current passing point at the top end and a second current passing point 216 at the inner side surface, respectively, to electrically connect the coil and the circuit built in the base. The side part 21 of the embedded metal sheet of the frame protrudes upwards or bends for a certain distance, thereby increasing the length of the embedded metal sheet of the base of the side part of the frame and improving the overall strength of the frame.
Referring to fig. 2 to 3, in one embodiment, two placing grooves 122 are respectively formed at both ends of the magnet groove 121, and elastic terminals (not shown) are disposed in the placing grooves 122, one ends of the elastic terminals are electrically connected to the frame embedded metal sheet 20, and the other ends of the elastic terminals are electrically connected to the coil, thereby electrically connecting the coil to the frame embedded metal sheet. It should be noted that in other embodiments, the frame may not be provided with the placement slots and the power-on points, but the built-in metal sheets and the coils may be electrically connected in other manners.
Alternatively, both ends of the magnet groove 121 are provided with guide slopes 123 to guide the magnet when the magnet is mounted. As can be seen from the figure, most of the side portion 21 of the frame insert metal sheet 20 is exposed to the top of the magnet groove 121, so that a larger force can be applied to the magnet to accurately position the magnet.
In one embodiment, the frame insert metal sheet 20 exposes a first power-on point at least one of the corners of the top end of the frame, and the first power-on point is electrically connected to the base built-in circuit. For example, the top 213 of one or more tabs 212 is exposed at the top end of the frame.
Fig. 4 is an exploded perspective view of a frame according to an embodiment of the present invention, and fig. 5 is a perspective view of the frame according to an embodiment of the present invention. As shown in fig. 4-5, the frame 10 has a central opening 11, four frame side portions 12 are formed around the central opening 11, the magnet mounting portion is a magnet groove 121 formed in the frame side portion 12, and a part of the frame insert metal piece 20 is exposed to a side wall of the magnet groove 121 and cooperates with the magnet to position the magnet.
Referring to fig. 4-5, in one embodiment, the frame insert metal sheet 20 includes four integrally formed side portions 21, the four side portions 21 are formed in a sheet shape and extend in a direction perpendicular to the base, two adjacent side portions 21 are connected by a corner portion 23 parallel to the base, the corner portion 23 is provided with a protruding portion protruding outward and forming a first current-carrying point 231 to be electrically connected to the circuit built in the base, and at least a portion of the four side portions 21 is exposed to the side portions of the frame to form a second current-carrying point and to be electrically connected to the coil. In the embodiment shown in fig. 4 to 5, the side portion 21 of the frame insert metal sheet 20 is entirely exposed to the side wall of the magnet groove 121, and the second conduction point 216 is formed at both ends.
Fig. 6 is an exploded perspective view of a frame according to an embodiment of the present invention, and fig. 7 is a perspective view of a frame according to an embodiment of the present invention. As shown in fig. 6 to 7, in one embodiment, the frame insert metal sheet 20 includes four top portions 22 formed integrally, the four top portions 22 being formed in a sheet shape and extending in a direction parallel to the base, adjacent two top portions being connected by corner portions 23 parallel to the base, the corner portions 23 being provided with protrusions protruding outward and forming first current-carrying points 231 for electrical connection with the circuit built in the base, and the four top portions 22 being provided with four side portions 21 extending vertically downward, at least a part of the four side portions 21 being exposed to the side portions and the top portions of the frame and electrically connected with the coil. In the embodiment shown in fig. 6-7, a substantial portion of the sides of the frame insert sheet 20 are exposed at the sides of the frame and a substantial portion of the top of the frame insert sheet 20 is exposed at the top of the frame. However, in other embodiments, a small portion of the side of the frame insert sheet metal may be exposed at the side of the frame, and/or a small portion of the top of the frame insert sheet metal may be exposed at the top of the frame.
Referring back to fig. 1, in one embodiment, the inner side of the frame corner 13 is provided with a carrier limiting groove 131 to limit the longitudinal movement of the carrier, and a carrier limiting protrusion 132 is further provided below the carrier limiting groove 131 to limit the movement range of the carrier.
Referring to fig. 1-2, in one embodiment, the top end of the frame 10 is provided with a top end protrusion 14 to contact the housing and the bottom end of the frame is provided with a bottom end protrusion 15 to contact the base, thereby preventing the housing and the base from striking the upper and lower springs.
While the preferred embodiments of the present invention have been illustrated and described in detail, it should be understood that various changes and modifications of the invention can be effected therein by those skilled in the art after reading the above teachings of the invention. Such equivalents are intended to fall within the scope of the claims appended hereto.
Claims (10)
1. The utility model provides a camera lens actuating mechanism's frame, camera lens actuating mechanism includes carrier, base and magnetite, the carrier be equipped with magnetite complex coil, the base is equipped with the built-in circuit of base, its characterized in that, the frame is equipped with the embedded sheetmetal of frame and has central opening, the embedded sheetmetal of frame be used for with the built-in circuit of base with the coil electricity is connected, encircles the frame the central opening forms and is used for installing the magnetite installation department of magnetite, partly of the embedded sheetmetal of frame expose in the surface of magnetite installation department and with the magnetite cooperation is in order to right the magnetite advances line location.
2. The frame according to claim 1, wherein four frame side portions are formed around the central opening, the magnet mounting portion is a magnet groove provided in the frame side portion, and a part of the metal sheet embedded in the frame is exposed to a side wall and/or a top wall of the magnet groove and cooperates with the magnet to position the magnet.
3. The frame according to claim 2, wherein two ends of the magnet groove are respectively provided with a placing groove, an elastic binding post is arranged in each placing groove, one end of each elastic binding post is electrically connected with the metal sheet embedded in the frame, and the other end of each elastic binding post is electrically connected with the coil.
4. The frame of claim 2, wherein the frame insert sheet metal exposes a first power point at least one of the corners of the top end of the frame, the first power point being electrically connected to the base built-in circuitry.
5. The frame of claim 1, wherein the frame insert metal sheet includes four integrally formed side portions which are formed in a sheet shape and extend in a direction parallel to the base, wherein the four side portions are protruded upward and provided at respective both ends with protrusion pieces which are extended downward, the top portions of the protrusion pieces are exposed to the top end face of the frame to be electrically connected to the base built-in circuit, and main portions of the protrusion pieces are exposed to the side portions of the frame and are electrically connected to the coil.
6. The frame of claim 1, wherein the frame insert metal sheet includes four integrally formed side portions, the four side portions are formed into a sheet shape and extend in a direction perpendicular to the base, adjacent two of the side portions are connected by a corner portion parallel to the base, the corner portion is provided with a first energizing point protruding outward to be electrically connected to the base built-in circuit, and at least a part of the four side portions is exposed to the frame side portions and electrically connected to the coil.
7. The frame of claim 1, wherein the frame insert metal sheet includes four integrally formed top portions which are formed in a sheet shape and extend in a direction parallel to the base, adjacent two of the top portions are connected by a corner portion parallel to the base, the corner portion is provided with a first energizing point protruding outward to be electrically connected to the base built-in circuit, and the four top portions are provided with four side portions extending vertically downward, at least a part of the four side portions being exposed to the frame side portions and electrically connected to the coil.
8. The frame according to claim 2, wherein guide slopes are provided at both ends of the magnet groove to guide the magnet when the magnet is mounted.
9. The frame according to claim 1, wherein the lens driving mechanism further comprises an upper spring plate and a lower spring plate, the upper end surface of the frame is provided with an upper spring plate connecting column to connect with the upper spring plate, the lower end surface of the frame end corner is provided with a lower spring plate connecting column to connect with the lower spring plate, the inner side of the frame corner is provided with a carrier limiting groove to limit the longitudinal movement of the carrier, and a carrier limiting protrusion is further provided below the carrier limiting groove to limit the movement range of the carrier; preferably, the lens driving mechanism further comprises a housing, a top end of the frame is provided with a top protrusion to contact with the housing, and a bottom end of the frame is provided with a bottom protrusion to contact with the base, thereby preventing the housing and the base from striking the upper spring and the lower spring.
10. A lens driving mechanism, characterized in that it comprises a frame according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111629832.6A CN114114601A (en) | 2021-12-28 | 2021-12-28 | Lens driving mechanism and frame thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111629832.6A CN114114601A (en) | 2021-12-28 | 2021-12-28 | Lens driving mechanism and frame thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114114601A true CN114114601A (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111629832.6A Pending CN114114601A (en) | 2021-12-28 | 2021-12-28 | Lens driving mechanism and frame thereof |
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| Country | Link |
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| CN (1) | CN114114601A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114643680A (en) * | 2022-03-22 | 2022-06-21 | 河南皓泽电子股份有限公司 | Lens driving device, frame thereof and manufacturing method of frame |
-
2021
- 2021-12-28 CN CN202111629832.6A patent/CN114114601A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114643680A (en) * | 2022-03-22 | 2022-06-21 | 河南皓泽电子股份有限公司 | Lens driving device, frame thereof and manufacturing method of frame |
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