CN108303778B - Lens driving device - Google Patents
Lens driving device Download PDFInfo
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- CN108303778B CN108303778B CN201810146138.0A CN201810146138A CN108303778B CN 108303778 B CN108303778 B CN 108303778B CN 201810146138 A CN201810146138 A CN 201810146138A CN 108303778 B CN108303778 B CN 108303778B
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- lens
- driving
- lens barrel
- degree
- driving device
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
Abstract
The present invention provides a lens driving device, including: the lens barrel comprises a shell with an accommodating space, a circuit board, a lens barrel, a driving coil, a driving magnetic steel, an anti-shake coil and a plurality of multi-degree-of-freedom elastic pieces for elastically supporting the lens barrel, wherein one end of each multi-degree-of-freedom elastic piece is fixed on the lens barrel, the other end of each multi-degree-of-freedom elastic piece is fixed on the base, and the multi-degree-of-freedom elastic pieces provide elastic force for the lens barrel along the optical axis direction and. Compared with the prior art, the lens driving device provided by the invention can move in multiple degrees of freedom, and an elastic system can be shared by automatic focusing and optical anti-shake.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of optical imaging, in particular to a lens driving device.
[ background of the invention ]
Recently, a high-performance camera lens module is mounted not only on a portable camera but also on a portable terminal such as a smartphone and a tablet computer. A high-performance camera lens module mounted on a portable terminal generally has an auto-focusing (auto focusing) function and an Optical Image Stabilization (OIS) function. The optical anti-shake function is a function of reducing image instability caused by external vibration or hand shake of a user.
In the related art, most lens driving apparatuses employ an anti-shake bracket and an elastic member to cooperate with each other to return the lens to an initial position, and the elastic systems are separately provided during auto-focusing and optical anti-shake operations, so that the lens is not sufficiently compensated for displacement compensation, and the anti-shake effect is not as expected.
Therefore, it is necessary to provide a new lens driving device to solve the above technical problems.
[ summary of the invention ]
The invention aims to provide a lens driving device which integrates an elastic system with automatic focusing and optical anti-shake functions and can move in multiple degrees of freedom.
In order to achieve the above object, the present invention provides a lens driving device including:
the shell is provided with an accommodating space and comprises a base in a rectangular frame structure and a cover body covering the base, wherein the base comprises a bottom wall with an opening in the middle and a side wall bent and extended from the bottom wall;
the circuit board is arranged on one side of the base, which is far away from the cover body;
a lens barrel accommodated in the housing and movable in an optical axis direction;
the driving coil is fixedly arranged on the side wall;
the driving magnetic steel is fixedly arranged on the lens cone, the driving magnetic steel is arranged opposite to the driving coil, and the driving magnetic steel is matched with the driving coil to be used for driving the lens cone to move along the direction of an optical axis;
the anti-shake coil is fixedly arranged on the bottom wall and is opposite to the lens cone, and the anti-shake coil is matched with the driving magnetic steel to be used for driving the lens cone to move along the direction of a horizontal plane vertical to the direction of the optical axis; and
the lens barrel comprises a plurality of multi-degree-of-freedom elastic pieces used for elastically supporting the lens barrel, one end of each multi-degree-of-freedom elastic piece is fixed on the lens barrel, the other end of each multi-degree-of-freedom elastic piece is fixed on the base, and the multi-degree-of-freedom elastic pieces provide elastic force for the lens barrel along the optical axis direction and along the horizontal plane direction perpendicular to the optical axis direction.
Preferably, the multi-degree-of-freedom elastic part comprises a first fixed block fixed on the lens barrel, a second fixed block fixed on the base and two elastic arms connected with the first fixed block and the second fixed block, and each elastic arm comprises a first bending part and a second bending part, wherein the first bending part is provided with an opening facing the cover body, and the second bending part is bent and extended from one end of the first bending part and provided with an opening facing the circuit board.
Preferably, the number of the driving magnetic steels and the number of the driving coils are four, the four driving magnetic steels are respectively arranged opposite to the four driving coils, and the four driving magnetic steels are distributed around the lens cone at intervals and are arranged in axial symmetry with respect to the central axis of the lens cone.
Preferably, the lens driving device further comprises four induction magnetic steels fixedly mounted on one side of the lens barrel, which faces the anti-shake coil, and the four induction magnetic steels are respectively arranged close to the multi-degree-of-freedom elastic piece.
Preferably, the camera lens drive arrangement still including set up in on the circuit board with response magnet steel and drive magnet steel just right sensor, the sensor is six, four the sensor respectively with correspond four the setting of response magnet steel, four the sensor is used for responding to the lens cone is along the position change of optical axis direction, remaining two the sensor respectively with two the drive magnet steel corresponds, two one of them of sensor is used for responding to the position change of lens cone in the X axle direction of horizontal plane direction, and another is used for responding to the position change of lens cone in the Y axle direction of horizontal plane direction.
Preferably, the sensor is a hall element.
Preferably, the base further comprises a conductive terminal arranged on the base and connected with the circuit board.
Compared with the prior art, the lens driving device provided by the invention integrates the automatic focusing function of the lens driving device and the elastic system of the optical anti-shake function by adopting the multi-degree-of-freedom elastic piece, not only can drive the lens barrel to move in the X-axis direction, the Y-axis direction and the Z-axis direction, but also can rotate the lens barrel on the X-axis and the Y-axis by a certain angle, realizes the tilt compensation of the optical anti-shake, saves the cost, and has a compact structure and stable performance.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 is an exploded perspective view of a lens driving apparatus according to the present invention;
FIG. 2 is a view of the lens driving device with the cover hidden;
FIG. 3 is an assembly diagram of the driving magnetic steel, the elastic member and the lens barrel of the lens driving device according to the present invention;
FIG. 4 is a diagram of the assembly of the induction magnet steel and the lens barrel of the lens driving device according to the present invention;
FIG. 5 is a diagram of the assembly of the driving magnetic steel, the elastic member, the induction magnetic steel and the anti-shake coil of the lens driving device according to the present invention;
FIG. 6 is a perspective view of an elastic member of the lens driving apparatus according to the present invention;
3 FIG. 3 7 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 31 3; 3
Fig. 8 is a cross-sectional view taken along line B-B of fig. 1.
[ detailed description ] embodiments
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 and 2, the present invention provides a lens driving device 100, where the lens driving device 100 includes a housing 1, a circuit board 2, a lens barrel 3, a driving coil 4, a driving magnetic steel 5, an anti-shake coil 6, an elastic component 7, an induction magnetic steel 8, and a sensor 9.
The housing 1 includes a base 11 and a cover 12 cooperating with the base 11 to form an accommodating space, the base 11 includes a bottom wall 111 having an opening and a side wall 112 extending from the bottom wall 111, and the base 11 is a rectangular frame structure. The base 11 is further provided with a conductive terminal 113 for connecting with the circuit board.
The circuit board 2 is fixedly mounted on the housing 1, the circuit board 2 is used for mounting the sensor 9, and the circuit board 2 is provided with a control circuit of the lens driving device 100.
The lens barrel 3 is a cylindrical structural member having a through hole penetrating in the optical axis direction at the center, and the lens barrel 3 is accommodated in the housing 1 and movable in the optical axis direction. The lens cone 3 is used for installing the driving magnetic steel 5, the elastic part 7 and the induction magnetic steel 8.
Referring to fig. 2, the driving coils 4 are fixedly mounted on the side wall 112, the driving coils 4 are used for matching with the driving magnetic steels 5, and the number of the driving coils 4 is four. The four driving coils 4 are respectively connected to the conductive terminals 113 on the base 11. The four driving coils 4 can be respectively and independently electrified to control the current magnitude.
Referring to fig. 3, the driving magnetic steels 5 are annularly disposed on the lens barrel 3 at intervals and are axially symmetric about a central axis of the lens barrel 3, the number of the driving magnetic steels 5 is four, and the four driving magnetic steels 5 respectively correspond to the four driving coils 4. The driving coil 4 and the driving magnetic steel 5 are matched to drive the lens barrel 3 to move along the optical axis direction, and also drive the lens barrel 3 to tilt. When currents with different magnitudes are introduced into the two oppositely arranged driving coils 4, the corresponding driving magnetic steel 5 can be driven to drive the lens cone 3 to incline, and therefore compensation of a rotation angle can be achieved. The driving magnetic steel 5 and the driving coil 4 are matched to drive the lens barrel 3 to rotate and incline along an X axis and also rotate and incline along a Y axis, so that five-axis motion is realized. The driving coil 4 and the driving magnetic steel 5 are used for automatic focusing and optical anti-shake.
Referring to fig. 2 and 3, the anti-shake coil 6 is fixedly mounted on the bottom wall 111, and the anti-shake coil 6 is used for cooperating with the driving magnetic steel 5 to drive the lens barrel 3 to move along a horizontal plane direction perpendicular to the optical axis direction, that is, the lens barrel 3 moves along the X-axis direction and the Y-axis direction. The anti-shake coils 6 are four, and the cooperation of the anti-shake coils 6 and the four driving magnetic steels 5 reduces the offset of the lens barrel 3 in the non-optical axis direction, so that the lens driving device 100 has an optical anti-shake function.
Referring to fig. 2, 3 and 6, the multiple-degree-of-freedom elastic element 7 is installed between the lens barrel 3 and the base 11, the multiple-degree-of-freedom elastic element 7 is sandwiched between the driving magnetic steels 5 and distributed at intervals around the lens barrel 3, one end of the multiple-degree-of-freedom elastic element 7 is fixed to the lens barrel 3, the other end of the multiple-degree-of-freedom elastic element is fixed to the base 11, and the multiple-degree-of-freedom elastic element 7 is used for providing elastic support for the lens barrel 3. The multi-degree-of-freedom elastic element 7 may be a silicone rubber or a metal spiral element, but is not limited thereto, and other known materials capable of achieving multi-degree of freedom may be used for the multi-degree-of-freedom elastic element 7, which is supposed to fall within the protection scope of the present invention.
The multi-degree-of-freedom elastic part 7 comprises a first fixing block 71 fixed on the lens barrel 3, a second fixing block 72 fixed on the side wall 112 and two elastic arms 73 connecting the first fixing block 72 and the second fixing block 72, wherein the two elastic arms 73 are parallel and arranged at intervals.
The elastic arm 73 includes a first bending part 731 opening towards the cover 12 and a second bending part 732 bending and extending from one end of the first bending part 731 and opening towards the circuit board 2, so that the elastic member has more freedom and better elastic effect.
The multiple degrees of freedom elastic members 7 are matched with the driving coil 4 and the driving magnetic steel 5 to provide supporting force along the optical axis direction and elastic restoring force returning to an initial position for the lens barrel 3, and the multiple degrees of freedom elastic members 7 are matched with the anti-shake coil 6 and the driving magnetic steel 5 to provide supporting force and elastic restoring force for the lens barrel 3 when moving in a horizontal plane direction perpendicular to the optical axis direction.
Referring to fig. 4 and 5, the four induction magnetic steels 8 are installed at one side of the lens barrel 3, which faces the anti-shake coil 6, and the four induction magnetic steels 8 are respectively arranged near the multi-degree-of-freedom elastic element 7. The induction magnetic steel 8 is used for being matched with the sensor 9 to induce the position change of the lens cone 3 in the optical axis direction.
Referring to fig. 2 and 7, the sensor 9 is mounted on the circuit board 2, the sensor 9 is disposed opposite to the driving magnetic steel 5 and the sensing magnetic steel 8, and the sensor 9 is a hall element or a higher-precision magnetic sensor GMR or TMR. The number of the sensors 9 is six, wherein four of the sensors 9 are respectively arranged corresponding to four of the induction magnetic steels 8, and the sensors 9 and the induction magnetic steels 8 are used for forming a feedback system for inducing the position change of the lens barrel 3 in the direction along the optical axis.
Referring to fig. 2 and 8, the remaining two sensors 9 correspond to the two driving magnetic steels 5, one of the two driving magnetic steels 5 is located in the X-axis direction in the horizontal plane direction, and the other one of the two driving magnetic steels 5 is located in the Y-axis direction in the horizontal plane direction, and the driving magnetic steels 5 and the sensors 9 are used for sensing the position change of the lens barrel 3 along the horizontal plane perpendicular to the optical axis direction. One of the two sensors 9 is used for sensing the position change of the lens barrel 3 in the X-axis direction of the horizontal plane direction, and the other is used for sensing the position change of the lens barrel 3 in the Y-axis direction of the horizontal plane direction.
The automatic focusing working principle of the lens driving device 100 of the present invention is as follows: when the four driving coils 4 are simultaneously electrified, or two driving coils 4 arranged along the X-axis direction are simultaneously electrified, or two driving coils 4 arranged along the Y-axis direction are simultaneously electrified, the lens barrel 3 can be rapidly moved along the optical axis direction under the electromagnetic action of the driving magnetic steel 5 and the driving coils 4.
When currents with different magnitudes are applied to the two driving coils 4 arranged in the X-axis direction, the lens barrel 3 can tilt around the Y-axis direction, and similarly, when currents with different magnitudes are applied to the two driving coils 4 in the Y-axis direction, the lens barrel 3 can tilt around the X-axis direction. The tilting compensation of the optical anti-shake can be realized by controlling the current. The magnitude of the control current is controlled by a feedback system formed by the induction magnetic steel 8 and the sensors 9, the four sensors 9 induce the magnitude change of the magnetic fields of the four induction magnetic steels 8 and then feed back the magnetic fields to the control system through the circuit board 2, and the control system performs real-time current compensation on the driving coil 4 according to feedback information, so that the automatic focusing function and the tilting compensation are realized.
The optical anti-shake operation principle of the lens driving apparatus 100 according to the present invention is as follows: the anti-shake coil 6 is fixedly installed on the base 11, the driving magnetic steel 5 is installed on the lens cone 3, when the anti-shake coil 6 is powered on, electromagnetic induction is generated between the driving magnetic steel 5 and the anti-shake coil 6, and the lens cone 3 can move in the horizontal plane direction perpendicular to the optical axis direction under the action of the electromagnetic induction.
When setting up two in the X axle direction anti-shake coil 6 provides the electromagnetic force along the X axle direction, then sets up two in the Y axle direction in addition anti-shake coil 6 provides the electromagnetic force along the Y axle direction, on the circuit board 2 sensor 9 is with two drive magnet steel 5 is corresponding, sensor 9 is used for the response drive magnet steel 5 carries out the feedback in the positional information of X axle direction and Y axle direction. Position information is calculated through an external chip, and then a current signal is output to the anti-shake coil 6 to drive the lens barrel 3 to a specified position.
Compared with the prior art, the lens driving device provided by the invention integrates the automatic focusing function of the lens driving device and the elastic system of the optical anti-shake function by adopting the multi-degree-of-freedom elastic piece, not only can drive the lens barrel to move in the X-axis direction, the Y-axis direction and the Z-axis direction, but also can rotate the lens barrel for a certain angle on the X-axis direction and the Y-axis direction, realizes the tilt compensation of the optical anti-shake, saves the cost, and has compact structure and stable performance.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.
Claims (7)
1. A lens driving device, characterized by comprising:
the shell is provided with an accommodating space and comprises a base in a rectangular frame structure and a cover body covering the base, wherein the base comprises a bottom wall with an opening in the middle and a side wall bent and extended from the bottom wall;
the circuit board is arranged on one side of the base, which is far away from the cover body;
a lens barrel accommodated in the housing and movable in an optical axis direction;
the driving coil is fixedly arranged on the side wall;
the driving magnetic steel is fixedly arranged on the lens cone, the driving magnetic steel is arranged opposite to the driving coil, and the driving magnetic steel is matched with the driving coil to be used for driving the lens cone to move along the direction of an optical axis;
the anti-shake coil is fixedly arranged on the bottom wall and is opposite to the lens cone, and the anti-shake coil is matched with the driving magnetic steel to be used for driving the lens cone to move along the direction of a horizontal plane vertical to the direction of the optical axis; and
the lens barrel comprises a plurality of multi-degree-of-freedom elastic pieces used for elastically supporting the lens barrel, one end of each multi-degree-of-freedom elastic piece is fixed on the lens barrel, the other end of each multi-degree-of-freedom elastic piece is fixed on the base, and the multi-degree-of-freedom elastic pieces provide elastic force for the lens barrel along the optical axis direction and along the horizontal plane direction perpendicular to the optical axis direction.
2. The lens driving device according to claim 1, wherein: the multi-degree-of-freedom elastic part comprises a first fixing block fixed on the lens barrel, a second fixing block fixed on the base and two elastic arms connected with the first fixing block and the second fixing block, wherein the elastic arms comprise a first bending part and a second bending part, the first bending part is provided with an opening facing the cover body, and the second bending part is bent and extended from one end of the first bending part and provided with an opening facing the circuit board.
3. The lens driving device according to claim 1, wherein: the driving magnetic steels and the driving coils are four, the four driving magnetic steels are respectively arranged opposite to the four driving coils, and the four driving magnetic steels are distributed around the lens cone at intervals and are arranged in axial symmetry relative to the central shaft of the lens cone.
4. The lens driving device according to claim 1, wherein: the lens driving device further comprises four induction magnetic steels fixedly mounted on one side, opposite to the anti-shake coil, of the lens barrel, and the four induction magnetic steels are respectively close to the position of the multi-freedom-degree elastic piece.
5. The lens driving device according to claim 4, wherein: the lens driving device further comprises a sensor, the sensor is six or four, the sensor corresponds to four induction magnetic steel, the sensor is used for sensing the position change of the lens cone along the optical axis direction, the rest two sensors correspond to two drive magnetic steel, and one of the sensors is used for sensing the position change of the lens cone in the X-axis direction of the horizontal plane direction, and the other sensor is used for sensing the position change of the lens cone in the Y-axis direction of the horizontal plane direction.
6. The lens driving apparatus according to claim 5, wherein: the sensor is a Hall element.
7. The lens driving device according to claim 1, wherein: the base further comprises a conductive terminal which is arranged on the base and connected with the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146138.0A CN108303778B (en) | 2018-02-12 | 2018-02-12 | Lens driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146138.0A CN108303778B (en) | 2018-02-12 | 2018-02-12 | Lens driving device |
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| Publication Number | Publication Date |
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| CN108303778A CN108303778A (en) | 2018-07-20 |
| CN108303778B true CN108303778B (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810146138.0A Active CN108303778B (en) | 2018-02-12 | 2018-02-12 | Lens driving device |
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| CN (1) | CN108303778B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108965668A (en) * | 2018-07-26 | 2018-12-07 | 维沃移动通信有限公司 | A kind of camera module of mobile terminal and mobile terminal |
| CN108965669A (en) * | 2018-07-26 | 2018-12-07 | 维沃移动通信有限公司 | A kind of camera module of mobile terminal and mobile terminal |
| CN108600602A (en) * | 2018-07-26 | 2018-09-28 | 维沃移动通信有限公司 | A kind of camera module of mobile terminal and mobile terminal |
| JP6951828B2 (en) * | 2019-06-01 | 2021-10-20 | エーエーシー オプティックス ソリューションズ ピーティーイー リミテッド | Periscope lens module and prism device applied to periscope lens module |
| WO2020243854A1 (en) * | 2019-06-01 | 2020-12-10 | 瑞声光学解决方案私人有限公司 | Lens module |
| WO2021152930A1 (en) * | 2020-01-30 | 2021-08-05 | 日本電産株式会社 | Optical unit with shake compensation function |
| CN111399311B (en) * | 2020-03-26 | 2021-08-17 | 睿恩光电有限责任公司 | Piezoelectric sheet type optical anti-shake mechanism, camera device, and electronic apparatus |
| KR102494325B1 (en) * | 2020-09-16 | 2023-02-01 | 삼성전기주식회사 | Camera module |
| CN111929797B (en) * | 2020-09-25 | 2020-12-15 | 常州市瑞泰光电有限公司 | Lens driving device |
| CN213279877U (en) * | 2020-10-22 | 2021-05-25 | 重庆传音通讯技术有限公司 | Camera module and mobile terminal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120105986A1 (en) * | 2010-11-01 | 2012-05-03 | Fu-Yuan Wu | Housing structure for miniature lens focus module |
| CN204129404U (en) * | 2014-09-30 | 2015-01-28 | 佛山华永科技有限公司 | Camera shake correction device |
| CN105204268A (en) * | 2015-10-20 | 2015-12-30 | 南昌欧菲光电技术有限公司 | Camera module |
| CN105739050A (en) * | 2016-05-09 | 2016-07-06 | 河南省皓泽电子有限公司 | Closed-loop jitter-resistant automatic focusing driving device |
-
2018
- 2018-02-12 CN CN201810146138.0A patent/CN108303778B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120105986A1 (en) * | 2010-11-01 | 2012-05-03 | Fu-Yuan Wu | Housing structure for miniature lens focus module |
| CN204129404U (en) * | 2014-09-30 | 2015-01-28 | 佛山华永科技有限公司 | Camera shake correction device |
| CN105204268A (en) * | 2015-10-20 | 2015-12-30 | 南昌欧菲光电技术有限公司 | Camera module |
| CN105739050A (en) * | 2016-05-09 | 2016-07-06 | 河南省皓泽电子有限公司 | Closed-loop jitter-resistant automatic focusing driving device |
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Effective date of registration: 20200423 Address after: No. 8, 2 floor, 85 Cavendish Science Park Avenue, Singapore Applicant after: Raytheon solutions Pte Ltd Address before: No. 8, 1st floor, Tongju Science and Technology Building, 10 65th Street, Hongmao Bridge, Singapore Applicant before: Raytheon Technology (Singapore) Co., Ltd |
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