CN113126234A - Miniaturized lens driving motor device - Google Patents
Miniaturized lens driving motor device Download PDFInfo
- Publication number
- CN113126234A CN113126234A CN202110454411.8A CN202110454411A CN113126234A CN 113126234 A CN113126234 A CN 113126234A CN 202110454411 A CN202110454411 A CN 202110454411A CN 113126234 A CN113126234 A CN 113126234A
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- fixing
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- winding carrier
- fixed
- driving motor
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- 238000004804 winding Methods 0.000 claims abstract description 80
- 239000003990 capacitor Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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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
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/18—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
The invention discloses a miniaturized lens driving motor device, comprising: the winding device comprises a winding carrier, a driving magnet arranged on the side surface of the winding carrier, a base used for supporting the winding carrier and a circuit connecting piece embedded in the base; the driving magnet comprises a first driving magnetic strip arranged on one side surface of the winding carrier and a second driving magnetic strip arranged on the other side surface of the winding carrier opposite to the first driving magnetic strip, and one surface of the first driving magnetic strip and one surface of the second driving magnetic strip are tightly attached to the side surface of the winding carrier along the length direction; a Hall magnet is arranged on one end face of the winding carrier, which is close to the base; the circuit connecting piece comprises a circuit board, a driving chip and a capacitor which are arranged on the circuit board, and connecting pins integrally connected with the circuit board. According to the invention, the number of the integral parts of the motor is reduced, so that the assembly process is simple and quick, the motor is beneficial to miniaturization, and the motor with high thrust is provided.
Description
Technical Field
The present invention relates to the field of camera driving motors, and more particularly, to a miniaturized lens driving motor device.
Background
In the closed-loop lens driving motor, the Hall chip on the PCB is induced with a Hall magnet embedded on the lens supporting body, and the current position of the lens can be calculated and detected through the strength change of a magnetic field generated in the process of electrifying and actuating the motor. The motor is applied with a given current to achieve the purpose of rapid and accurate focusing. This is a position feedback system specific to closed loop motors, distinct from the function of conventional motors. In the closed-loop control motor in the prior art, a closed-loop control circuit structure, namely a PCB (printed Circuit Board), is arranged on the side surface of the lens support body, so that the number of the whole motor parts is increased, the assembly process is complicated, and the motor is not beneficial to miniaturization.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a miniaturized lens driving motor device, which reduces the number of the integral parts of the motor, ensures that the assembly process is simple and quick, is beneficial to the miniaturization of the motor and provides a motor with high thrust. To achieve the above objects and other advantages in accordance with the present invention, there is provided a miniaturized lens driving motor apparatus, comprising:
the winding device comprises a winding carrier, a driving magnet arranged on the side surface of the winding carrier, a base used for supporting the winding carrier and a circuit connecting piece embedded in the base;
the driving magnet comprises a first driving magnetic strip arranged on one side surface of the winding carrier and a second driving magnetic strip arranged on the other side surface of the winding carrier opposite to the first driving magnetic strip, and one surface of the first driving magnetic strip and one surface of the second driving magnetic strip are tightly attached to the side surface of the winding carrier along the length direction;
a Hall magnet is arranged on one end face of the winding carrier, which is close to the base;
the circuit connecting piece comprises a circuit board, a driving chip and a capacitor which are arranged on the circuit board, and connecting pins integrally connected with the circuit board; the drive chip and the Hall magnet are arranged oppositely.
Preferably, a first spring is fixedly connected to one end face of the winding carrier, and a second spring is fixedly connected to one end face of the winding carrier, which is opposite to the first spring.
Preferably, a housing is embedded on the base, the housing is used for covering the winding carrier, and the outer end face of the housing is flush with the outer end face of the base.
Preferably, the shell comprises a plane plate and surrounding baffle plates extending along the vertical direction of four sides of the plane plate, the plane plate is located at four corners and is provided with fixing planes respectively, and the plane plate is located at one edge and is fixed with a limiting strip.
Preferably, a mounting hole is formed in the center of the plane plate, the limiting strip is integrally connected to the edge of the mounting hole, and the limiting strip extends in the vertical direction.
Preferably, the first spring comprises a fixed strip frame, an inner circular ring fixed strip elastically connected with the fixed strip frame, and a first spring used for elastically connecting the fixed strip frame and the inner circular ring fixed strip.
Preferably, the four corners of the fixed strip frame are all fixed with a triangular fixed plate, the inner circular fixed strip is uniformly distributed with strip-shaped fixed plates corresponding to the triangular fixed plates one by one, one end of the first spring is fixed on the triangular fixed plate, the other end of the first spring is fixed on the strip-shaped fixed plate, and the triangular fixed plate is fixed on a fixed planeInner side surfaceAnd the strip-shaped fixing plate is fixed on the upper end surface of the winding carrier.
Preferably, the second spring includes that a pair of relative setting just constitutes circular shape arc pole, be fixed with second bar fixed plate on the both ends of arc pole respectively, the rigid coupling has the second spring on the second bar fixed plate, the rigid coupling has the polygon fixed plate on the second spring, the polygon fixed plate is fixed in on the lower terminal surface of wire winding carrier, second bar fixed plate is fixed in on the base.
Preferably, the winding carrier comprises an annular fixing seat, a spring fixing seat is arranged on the upper end face of the annular fixing seat, and an inner circular ring fixing strip is fixed on the spring fixing seat.
Preferably, be provided with annular spring fixing base on the lower terminal surface of winding carrier, be fixed with second bar fixed plate on the annular spring fixing base, and seted up a fixed slot on the lower terminal surface of winding carrier, it has the hall magnetite to inlay in the fixed slot.
Preferably, the circuit board is a polygonal annular board, one side of the circuit board is provided with a first pin end and a second pin end, and the first pin end and the second pin end are respectively the starting end and the tail end of the circuit board.
Preferably, a first winding post and a second winding post are respectively and fixedly connected to two opposite side surfaces of the winding carrier.
Preferably, a circuit connecting end is respectively arranged on the polygonal fixing plate opposite to the second spring, and the circuit connecting end is adjacent to the first pin end.
Preferably, the circuit board is at least provided with four pin ends, each pin end is located on the same side and arranged on the same plane, and the end face of the circuit board and the base are located on the same horizontal plane.
Compared with the prior art, the invention has the beneficial effects that: the Hall chip on the circuit board is used for inducing with the Hall magnet embedded on the lens supporting body, and the strength of the magnetic field generated in the process of the power-on actuation of the motor is changed, the current position of the lens can be calculated and detected, a given current is applied to the motor, the purpose of rapid and accurate focusing can be achieved, and the opposite side surfaces below the winding carrier are respectively provided with a driving magnet and a winding post, the extended winding post is positioned in the avoiding groove of the base, so that the structure of the inner space of the motor is more compact, therefore, the internal space can be saved to a great extent, the light, thin and miniaturized design of the motor is realized, and the circuit connecting piece is embedded in the base, the circuit connecting piece and the base are located on the same plane and have the same layer structure, so that the installation efficiency of the base between the embedded circuit connecting piece and the base is improved, and the production difficulty can be reduced.
Drawings
Fig. 1 is a schematic three-dimensional structure of a miniaturized lens driving motor device according to the present invention;
fig. 2 is a schematic diagram of a three-dimensional explosion structure of a miniaturized lens driving motor apparatus according to the present invention;
fig. 3 is a three-dimensional structure diagram of a circuit connection member of the miniaturized lens driving motor apparatus according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, a miniaturized lens driving motor apparatus includes: a winding carrier 40, a driving magnet 30 arranged on the side surface of the winding carrier 40, a base 80 for supporting the winding carrier 40, and a circuit connecting piece 70 embedded in the base 80; the driving magnet 30 comprises a first driving magnetic strip arranged on one side surface of the winding carrier 40 and a second driving magnetic strip arranged on the other side surface of the winding carrier 40 opposite to the first driving magnetic strip, and one surface of each of the first driving magnetic strip and the second driving magnetic strip is tightly attached to one side surface of the winding carrier 40 along the length direction; a Hall magnet 60 is arranged on one end face of the winding carrier 40 close to the base 80; the circuit connecting piece 70 comprises a circuit board 71, a driving chip 72 and a capacitor 73 which are arranged on the circuit board 71, and a connecting pin 74 which is integrally connected with the circuit board 71, wherein the driving chip and a driving magnet 30 arranged at the lower end of the winding carrier are in opposite position relation in the vertical direction axial optical axis direction; the driving chip 72 is disposed opposite to the hall magnet 60. The driving chip 72 senses the change of the intensity of the magnetic field generated by the driving magnet 30 which moves along with the winding carrier 40 in the vertical direction, so as to detect the vertical displacement of the lens, thereby forming feedback control (namely closed-loop control) on the vertical displacement of the lens in the actual shooting process, and applying driving force to enable the lens to reach the preset displacement according to the feedback control signal, namely, enabling the lens to reach the preset position. The driving magnets 30 are arranged on the two opposite sides of the winding carrier 40 to ensure necessary driving force, and the winding carrier 40 is provided with a pair of winding posts, but the required space of the extending winding posts in the process of moving along with the winding carrier in the Z-axis axial direction is provided by the avoiding grooves on the side surface of the base, so that the structure of the internal space of the motor is more compact, the internal space can be saved to a great extent, and the design of lightness, thinness and miniaturization of the motor is realized.
Further, a first spring 20 is fixedly connected to an end surface of the winding carrier 40, and a second spring 50 is fixedly connected to an end surface of the winding carrier 40 opposite to the first spring 20.
Further, a housing 10 is embedded on the base 80, the housing 10 is used for covering the winding carrier 40, the outer end face of the housing 10 is flush with the outer end face of the base 80, the housing 10 includes a flat plate 11 and a surrounding baffle 12 extending along the vertical direction of four sides of the flat plate 11, the flat plate 11 is located at four corners and is provided with fixing planes 13 respectively, the flat plate 11 is located at one edge and is fixed with a limiting strip 14, a mounting hole 15 is formed in the center of the flat plate 11, the limiting strip 14 is integrally connected to the edge of the mounting hole 15, and the limiting strip 14 extends along the vertical direction.
Further, the first spring 20 includes a fixed strip frame 21, and an inner ring fixing strip 22 elastically connected to the fixed strip frame 21 and a first spring 23 used for elastically connecting the fixed strip frame 21 and the inner ring fixing strip 22, the four corners of the fixed strip frame 21 are fixed with a triangular fixing plate 24, the inner ring fixing strip 22 is uniformly distributed with bar-shaped fixing plates 25 corresponding to the triangular fixing plates 24 one by one, one end of the first spring 23 is fixed on the triangular fixing plate 24, the other end of the first spring is fixed on the bar-shaped fixing plate 25, and the triangular fixing plate 24 is fixed on the fixing plane 13Inner side surfaceOn, bar fixed plate 25 is fixed in on the up end of winding carrier 40, second spring 50 includes a pair of relative setting and constitutes circular shape arc pole 51, be fixed with second bar fixed plate 52 on arc pole 51's the both ends respectively, the rigid coupling has second spring 53 on the second bar fixed plate 52, the rigid coupling has polygon fixed plate 54 on the second spring 53, polygon fixed plate 54 is fixed in on the lower terminal surface of winding carrier 40, second bar fixed plate 52 is fixed in on base 80, winding carrier 40 includes cyclic annular fixing base 41, the up end of cyclic annular fixing base 41 is provided with spring fixing base 42, be fixed with spring fixing base 42 on the upper end of spring fixing base 42The inner ring fixing strip 22 generates electromagnetic force between the ring coil and the driving magnet 30 after current is applied to the ring coil on the winding carrier 40, and the winding carrier is driven to move linearly along the optical axis direction (i.e. vertical direction) of the lens by the action of the electromagnetic force according to fleming's left-hand rule, and finally stays at a position point when the resultant force of the electromagnetic force generated between the ring coil and the driving magnet and the elastic force of the first spring 20 and the second spring 50 reaches a balanced state. The winding carrier 40 can be controlled to move to the target position by applying a predetermined current to the annular coil, thereby achieving the purpose of automatic focusing.
Further, be provided with annular spring fixing base on the lower terminal surface of winding carrier 40, be fixed with second bar fixed plate 52 on the annular spring fixing base, and seted up a fixed slot on the lower terminal surface of winding carrier 40, it has hall magnetite 60 to inlay in the fixed slot.
Further, the circuit board 71 is a polygonal ring-shaped board, a first lead end 711 and a second lead end 7116 are disposed on one side of the circuit board 71, the first lead end 711 and the second lead end 7116 are respectively an initial end and a terminal end of the circuit board 71, a first winding post 7113 and a second winding post are respectively fixedly connected to two opposite side surfaces of the winding carrier 40, the first winding post 7113 and the second winding post 7114 correspond to solder holes of the second spring 50, the coil is electrically connected with the lower spring by soldering paste at a midpoint of the solder holes, the electrical connection is firmer, the connection stability of the winding carrier during the movement process is better, a circuit connection end is disposed on each of the polygonal fixing plates 54 of the second spring 50, the circuit connection end is disposed adjacent to the first lead end 711, and when the coil on the winding carrier 40 is energized, the driving circuit connection points of the driving motor in the vertical direction are a first pin end 711, a circuit connection end of the second spring 50, the first winding post 7113, the second winding post, another circuit connection end of the second spring 50 and a second pin end 7116 at a time; the circuit board 71 is at least provided with four pin ends, each pin end is arranged on the same plane at the same side, the assembly is convenient, the end face of the circuit board 71 and the base 80 are arranged on the same horizontal plane and are of the same layer structure, the installation efficiency between the embedded circuit connecting piece of the base 80 and the base 80 is improved, the production difficulty can be reduced, and the industrialization of products is facilitated due to the structure.
The number of devices and the scale of the processes described herein are intended to simplify the description of the invention, and applications, modifications and variations of the invention will be apparent to those skilled in the art.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (14)
1. A miniaturized lens driving motor device, comprising:
the winding device comprises a winding carrier (40), a driving magnet (30) arranged on the side surface of the winding carrier (40), a base (80) used for supporting the winding carrier (40) and a circuit connecting piece (70) embedded in the base (80);
the driving magnet (30) comprises a first driving magnetic strip arranged on one side surface of the winding carrier (40) and a second driving magnetic strip arranged on the other side surface of the winding carrier (40) opposite to the first driving magnetic strip, and the first driving magnetic strip and the second driving magnetic strip are tightly attached to the side surface of the winding carrier (40) along one side surface of the length direction;
a Hall magnet (60) is arranged on one end face of the winding carrier (40) close to the base (80);
the circuit connecting piece (70) comprises a circuit board (71), a driving chip (72) and a capacitor (73) which are arranged on the circuit board (71), and connecting pins (74) which are integrally connected with the circuit board (71); the drive chip (72) is arranged opposite to the Hall magnet (60).
2. A miniaturized lens driving motor device according to claim 1, wherein a first spring (20) is fixed to an end surface of said bobbin (40), and a second spring (50) is fixed to an end surface of said bobbin (40) opposite to said first spring (20).
3. A miniaturized lens driving motor device according to claim 1, wherein a housing (10) is fitted on said base (80), said housing (10) is used for covering said bobbin carrier (40), and an outer end face of said housing (10) is flush with an outer end face of said base (80).
4. A miniaturized lens driving motor device as claimed in claim 3, wherein said housing (10) comprises a plane plate (11) and a surrounding baffle plate (12) extending along the vertical direction of four sides of said plane plate (11), said plane plate (11) is provided with fixing planes (13) at four corners, respectively, and a position limiting strip (14) is fixed at one edge of said plane plate (11).
5. A miniaturized lens driving motor device according to claim 4, wherein a mounting hole (15) is opened at the center of said plane plate (11), said stopper bar (14) is integrally connected to the edge of said mounting hole (15), and said stopper bar (14) extends in the vertical direction.
6. A miniaturized lens driving motor device according to claim 2, wherein said first spring (20) comprises a fixing bar frame (21), an inner circular ring fixing bar (22) elastically connected to said fixing bar frame (21), and a first spring (23) for elastic connection between the fixing bar frame (21) and the inner circular ring fixing bar (22).
7. The lens driving motor apparatus as claimed in claim 6, wherein the fixing frame (21) has triangular fixing plates (24) fixed at four corners thereof, the inner annular fixing strip (22) has bar-shaped fixing plates (25) uniformly distributed thereon corresponding to the triangular fixing plates (24), one end of the first spring (23) is fixed to the triangular fixing plate (24), the other end thereof is fixed to the bar-shaped fixing plate (25), the triangular fixing plate (24) is fixed to the inner side of the fixing plane (13), and the bar-shaped fixing plate (25) is fixed to the upper end surface of the winding carrier (40).
8. The lens driving motor apparatus as claimed in claim 4, wherein the second spring (50) comprises a pair of arc rods (51) which are oppositely disposed and form a circular shape, the two ends of the arc rods (51) are respectively fixed with a second bar-shaped fixing plate (52), the second bar-shaped fixing plate (52) is fixedly connected with a second spring (53), the second spring (53) is fixedly connected with a polygonal fixing plate (54), the polygonal fixing plate (54) is fixed on the lower end surface of the winding carrier (40), and the second bar-shaped fixing plate (52) is fixed on the base (80).
9. A miniaturized lens driving motor device as claimed in claim 1, wherein said winding carrier (40) comprises a ring-shaped fixing base (41), a spring fixing base (42) is provided on the upper end surface of said ring-shaped fixing base (41), and an inner ring fixing strip (22) is fixed on said spring fixing base (42).
10. The lens driving motor apparatus as claimed in claim 1, wherein a ring-shaped spring fixing seat is provided on a lower end surface of the winding carrier (40), a second bar-shaped fixing plate (52) is fixed on the ring-shaped spring fixing seat, and a fixing groove is formed on the lower end surface of the winding carrier (40), and a hall magnet (60) is embedded in the fixing groove.
11. A miniaturized lens driving motor device according to claim 1, wherein said circuit board (71) is a polygonal ring-shaped board, a first lead terminal (711) and a second lead terminal (7116) are provided on one side of said circuit board (71), said first lead terminal (711) and said second lead terminal (7116) are respectively a start end and a tail end of said circuit board (71).
12. The lens driving motor apparatus as claimed in claim 1, wherein a first winding post (7113) and a second winding post are respectively fixed to opposite sides of the winding carrier (40).
13. A miniaturized lens driving motor device of claim 8, wherein said second spring (50) has a circuit connection terminal provided on an opposite polygonal fixing plate (54), respectively, said circuit connection terminal being disposed adjacent to the first pin terminal (711).
14. A miniaturized lens driving motor device as claimed in claim 11, wherein said circuit board (71) is provided with at least four lead ends, and each of said lead ends is located on the same side and located on the same plane, and the end surface of said circuit board (71) and said base (80) are located on the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110454411.8A CN113126234A (en) | 2021-04-26 | 2021-04-26 | Miniaturized lens driving motor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110454411.8A CN113126234A (en) | 2021-04-26 | 2021-04-26 | Miniaturized lens driving motor device |
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| Publication Number | Publication Date |
|---|---|
| CN113126234A true CN113126234A (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110454411.8A Pending CN113126234A (en) | 2021-04-26 | 2021-04-26 | Miniaturized lens driving motor device |
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| CN (1) | CN113126234A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI832457B (en) * | 2022-09-23 | 2024-02-11 | 新煒科技有限公司 | Periscope camera module and electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080231974A1 (en) * | 2005-12-02 | 2008-09-25 | Soo Jin Jung | Lens Driving Motor and Elastic Member of the Same |
| CN105676403A (en) * | 2016-04-18 | 2016-06-15 | 苏州久易光电科技有限公司 | Ultrathin voice coil motor for lens driving device |
| CN108181698A (en) * | 2018-01-10 | 2018-06-19 | 上海比路电子股份有限公司 | A kind of lens drive motor |
| CN108681029A (en) * | 2018-08-03 | 2018-10-19 | 上海比路电子股份有限公司 | Lens drive motor, camera and mobile terminal apparatus |
| CN109143524A (en) * | 2018-10-30 | 2019-01-04 | 宁波创为机电科技有限公司 | A kind of moving-magnetic type device for driving optical lens |
| CN112666672A (en) * | 2020-12-31 | 2021-04-16 | 上海比路电子股份有限公司 | Lens driving motor, camera device comprising same and mobile terminal |
-
2021
- 2021-04-26 CN CN202110454411.8A patent/CN113126234A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080231974A1 (en) * | 2005-12-02 | 2008-09-25 | Soo Jin Jung | Lens Driving Motor and Elastic Member of the Same |
| CN105676403A (en) * | 2016-04-18 | 2016-06-15 | 苏州久易光电科技有限公司 | Ultrathin voice coil motor for lens driving device |
| CN108181698A (en) * | 2018-01-10 | 2018-06-19 | 上海比路电子股份有限公司 | A kind of lens drive motor |
| CN108681029A (en) * | 2018-08-03 | 2018-10-19 | 上海比路电子股份有限公司 | Lens drive motor, camera and mobile terminal apparatus |
| CN109143524A (en) * | 2018-10-30 | 2019-01-04 | 宁波创为机电科技有限公司 | A kind of moving-magnetic type device for driving optical lens |
| CN112666672A (en) * | 2020-12-31 | 2021-04-16 | 上海比路电子股份有限公司 | Lens driving motor, camera device comprising same and mobile terminal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI832457B (en) * | 2022-09-23 | 2024-02-11 | 新煒科技有限公司 | Periscope camera module and electronic device |
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Application publication date: 20210716 |