CN103376529A - Lens displacement device - Google Patents

Lens displacement device Download PDF

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Publication number
CN103376529A
CN103376529A CN2012101520305A CN201210152030A CN103376529A CN 103376529 A CN103376529 A CN 103376529A CN 2012101520305 A CN2012101520305 A CN 2012101520305A CN 201210152030 A CN201210152030 A CN 201210152030A CN 103376529 A CN103376529 A CN 103376529A
Authority
CN
China
Prior art keywords
moving member
sensing element
actuating device
arranged
characterized
Prior art date
Application number
CN2012101520305A
Other languages
Chinese (zh)
Other versions
CN103376529B (en
Inventor
郭利德
卓英吉
胥伟文
连志如
Original Assignee
华宏新技股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to TW101115361 priority Critical
Priority to TW101115361A priority patent/TWI447467B/en
Application filed by 华宏新技股份有限公司 filed Critical 华宏新技股份有限公司
Publication of CN103376529A publication Critical patent/CN103376529A/en
Application granted granted Critical
Publication of CN103376529B publication Critical patent/CN103376529B/en

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Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B17/00Details of cameras or camera bodies; Accessories therefor
    • G03B17/02Bodies
    • G03B17/12Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G02B7/102Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B13/00Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32Means for focusing
    • G03B13/34Power focusing
    • G03B13/36Autofocus systems
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B3/00Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/10Power-operated focusing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/225Television cameras ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, camcorders, webcams, camera modules specially adapted for being embedded in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/2251Constructional details
    • H04N5/2253Mounting of pick-up device, electronic image sensor, deviation or focusing coils
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/225Television cameras ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, camcorders, webcams, camera modules specially adapted for being embedded in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/2251Constructional details
    • H04N5/2254Mounting of optical parts, e.g. lenses, shutters, filters or optical parts peculiar to the presence or use of an electronic image sensor

Abstract

The invention provides a lens displacement device, comprising a fixed member, a movable member, a driving unit for providing a driving force for the movable member and at least one rolling shaft which roll along an optical axis. The fixed member is provided with a leading portion, the movable member is arranged on the fixed member, the driving unit is arranged between the fixed member and the movable member, the axis line direction of the rolling shaft is vertical to the moving direction of the movable member, and the at least one rolling shaft is arranged between the movable member and the leading portion in a rolling manner. Thereby, the problem that the lens displacement device is not easy to assemble is solved.

Description

Lens actuating device

Technical field

The present invention is relevant for a kind of actuating device, espespecially a kind of lens actuating device that is applied to drive the optical frames group.

Background technology

Existing camera lens actuating module, utilize a magnetic and conductive coil to be arranged at respectively on lens module and the pedestal more, behind the magnetic field and electric field reciprocation that this magnetic and this coil produce, and come bright left-hand rule to produce driving force at optical axis direction according to Buddhist to drive the lens module movement of focusing.Such as I343165 number disclosed " optical devices " of TaiWan, China patent, it has coil, a magnetic that a camera lens, is positioned at above-mentioned camera lens one side, have a guide rod between camera lens and the coil, above-mentioned camera lens is subject to driving force that the guiding of above-mentioned guide rod and coil and magnetic provide in the motion of optical axis direction advance and retreat.Yet this kind mode coil and magnetic are done the radial array meeting and are occupied than large space.

Therefore developed afterwards the lens actuating device that coil and magnetic is placed a side, this kind mode can produce one with the power of camera lens toward the absorption of driver element direction, therefore it is too tight to prevent the applying of camera lens and driver element to need to increase a mechanism, causes the excessive so that lens module of friction force to move.Such as No. 100849580 disclosed camera arrangement of Korean Patent, it has driver element and several balls of the driving force that a lens module, provides this lens module.This lens module has two guidance parts, and relative this two guidance parts place has several receiving spaces on this driver element, and the size of those balls exceeds those receiving spaces makes those balls can touch this two guidance part.Thus, it is too tight to avoid this lens module and this driver element to fit, and this lens module can be moved along this guidance part direction.Yet this kind mode will be inserted several balls between guidance part and the receiving space, and is very difficult in assembling.

So the improving of the above-mentioned disappearance of inventor's thoughts is that the spy concentrates on studies and cooperates the utilization of scientific principle, finally propose a kind of reasonable in design and effectively improve the present invention of above-mentioned disappearance.

Summary of the invention

Fundamental purpose of the present invention is to provide a kind of lens actuating device, and it can improve the existing not easy-to-assemble problem of lens actuating device.

In order to reach above-mentioned purpose, the invention provides a kind of lens actuating device, comprising: a fixture has a guidance part on this fixture; One moving member that can move along optical axis direction, this moving member is arranged on this fixture; One provides the driver element of this moving member driving force, and this driver element is arranged between this fixture and this moving member; At least one axis of rolling that can roll along optical axis direction, vertical this moving member moving direction of the axis direction of this at least one axis of rolling, this at least one axis of rolling is rotatable to be arranged between this moving member and this guidance part.

Further, this driver element includes at least one magnetite and at least one coil, and this at least one magnetite is arranged at this moving member, and this at least one coil is arranged at this fixture.

Further, other comprises a location sensing element in order to sensing movement spare position, and this location sensing element is arranged at this fixture.

Further, other comprises a side direction traction element, and this side direction traction element is arranged at this fixture.

Further, this location sensing element is changes of magnetic field sensing element, intensity variation sensing element, electric field change sensing element or STRESS VARIATION sensing element.

Further, this guidance part is the outstanding bar of at least one plane or at least one parallel this moving member moving direction, and this at least one axis of rolling is supported this guidance part.

Further, this moving member includes a base portion, from this base portion side to extended extension and is positioned at a bearing and leaning portion on this extension, this bearing and leaning portion is at least one plane or at least one outstanding bar that is parallel to the moving member moving direction, and this at least one axis of rolling wears this extension and is resisted against this bearing and leaning portion.

Further, this side direction traction element is at least one magnetic conduction heel piece.

Further, wherein this at least one magnetic conduction heel piece is arranged at this at least one coil away from one of them of the bottom of the top of a side of this at least one magnetite, this at least one coil or this at least one coil.

Further, other comprises a location sensing element in order to sensing movement spare position, this location sensing element is the changes of magnetic field sensing element that is arranged at this fixture, and this changes of magnetic field sensing element is relative with magnetite on being arranged at this moving member, and is disposed at the opposite side of coil.

Further, this at least one axis of rolling is positioned at this moving member away from this driver element one side.

Further, other comprises one in order to sensing movement spare position and adjusts location sensing and the control module of drive unit drives power that this location sensing and control module are arranged at this fixture.

Further, this location sensing and control module comprise a location sensing element and a control module.

Further, wherein this location sensing element is changes of magnetic field sensing element, intensity variation sensing element, electric field change sensing element or STRESS VARIATION sensing element.

The present invention provides a kind of lens actuating device in addition, comprising: a fixture has the outstanding bar of at least one parallel this moving member moving direction on this fixture; One moving member that can move along optical axis direction, this moving member is arranged on this fixture; One provides the driver element of this moving member driving force, and this driver element is arranged between this fixture and this moving member; At least one axis of rolling that can roll along optical axis direction, vertical this moving member moving direction of the axis direction of this at least one axis of rolling, this at least one axis of rolling is rotatable to be arranged between this moving member and this guidance part.

The present invention has following useful effect:

The present invention comes moving-limiting spare to the movement of driver element with the axis of rolling, and the axis of rolling is comparatively easy when assembling.

Description of drawings

Fig. 1 is lens actuating device the first embodiment three-dimensional exploded view of the present invention.

Fig. 2 is lens actuating device the first embodiment stereographic map of the present invention.

Fig. 3 is lens actuating device the first embodiment sectional view of the present invention.

Fig. 4 is lens actuating device the second embodiment three-dimensional exploded view of the present invention.

Fig. 5 is lens actuating device the second embodiment stereographic map of the present invention.

Fig. 6 is lens actuating device the second embodiment sectional view of the present invention.

Wherein, description of reference numerals is as follows:

1 fixture

11 guidance parts

12 stopper slots

13 gear points

2 moving members

21 base portions

211 baffle plates

22 extensions

221 panels

222 side plates

223 perforatings

224 web joints

225 wing plates

226 wear plate

227 wear groove

23 bearing and leaning portion

3 driver elements

31 magnetites

32 coils

4 axis of rolling

5 location sensing elements

6 side direction traction elements

7 location sensings and control module

Embodiment

[the first embodiment]

See also Fig. 1 to shown in Figure 3, the invention provides a kind of lens actuating device, comprise a fixture 1, a moving member 2, a driver element 3, at least one axis of rolling 4, a location sensing element 5 and side direction traction element 6 that can roll along optical axis direction.

Fixture 1 has a guidance part 11, is arranged at fixture 1 one sides, in order to guide the rotating direction of this at least one axis of rolling 4.Guidance part 11 can be the outstanding bar of at least one plane or at least one parallel these moving member 2 moving directions, and in the present embodiment, guidance part 11 is the outstanding bar of two parallel these moving member 2 moving directions.This at least one axis of rolling 4 is resisted against guidance part 11.Four stopper slots 12 facing each other of guidance part 11 outside tools are in order to limit the moving range of the axis of rolling 4.In the present embodiment, stopper slot 12 is positioned at a limiting plate one side, and these limiting plate tool stopper slot 12 1 sides are near guidance part 11.Fixture 1 below has the gear point 13 of a hollow, and therefore these gear point 13 apertures can be stopped by this gear point 13 and stop when moving member 2 drops to the end less than the diameter of this moving member 2.The position of gear point 13 contact moving members 2 is not limited in the present embodiment, can contact optional position on the moving member 2, as long as reach the function that stops moving member 2.

Moving member 2 is arranged in the fixture 1, can install lens module (figure slightly) in the moving member 2, and can move along optical axis direction, and the focusing of carrying out lens module is moved.Moving member 2 includes the extension 22 that a base portion 21, extends laterally out from base portion 21 and is positioned at a bearing and leaning portion 23 on this extension 22.Bearing and leaning portion 23 is at least one plane or at least one outstanding bar that is parallel to the moving member moving direction.This at least one axis of rolling 4 wears extension 22 and is resisted against bearing and leaning portion 23.

In the present embodiment, extension 22 is a U character form structure, includes a panel 221 and biside plate 222, and biside plate 222 1 ends connect base portion 21 other ends and connect panel 221.Biside plate 222 respectively has two perforatings 223, and the perforating on the biside plate 222 223 is relative in twos.The width of those perforatings 223 is greater than the diameter of this at least one axis of rolling 4, when therefore this at least one axis of rolling 4 is arranged in those perforatings 223, and can be in those perforating 223 interior rollings.Bearing and leaning portion 23 is positioned at panel 221 inboards.In the present embodiment, bearing and leaning portion 23 is four outstanding bars that are parallel to moving member 2 moving directions, and per two relative perforating 223 amongs have two outstanding bars.

Driver element 3 is arranged between fixture 1 and the moving member 2 and the driving force of moving member 2 is provided.Driver element 3 includes at least one magnetite 31 and at least one coil 32, and this at least one magnetite 31 is arranged at moving member 2, and this at least one coil 32 is arranged at fixture 1.

In the present embodiment, coil 32 is chosen to be one, and is fixedly arranged on fixture 1 one sides.This at least one magnetite 31 is chosen to be two, is fixedly arranged on respectively on the moving member 2 two ends, the left and right sides towards coil 32 directions.After coil 32 energising, behind the magnetic field and electric field reciprocation that coil 32 and the magnetite 31 of conduction produces, and come bright left-hand rule to drive the lens module movement of focusing in optical axis direction generation driving force according to Buddhist.

This at least one axis of rolling 4 can roll along optical axis direction, axis direction vertical sliding moving part 2 moving directions of this at least one axis of rolling 4, this at least one axis of rolling 4 wears moving member 2 and the rotatable guidance part 11 that is arranged at, and this at least one axis of rolling 4 is positioned at moving member 2 away from driver element 3 one sides.In the present embodiment, this at least one axis of rolling 4 is chosen to be two, and each axis of rolling 4 is arranged in two relative perforatings 223 of moving member 2 and is resisted against simultaneously bearing and leaning portion 23 and guidance part 11.

Location sensing element 5 is arranged at a side of fixture 1, in order to the position of sensing movement spare 2.Location sensing element 5 can be changes of magnetic field sensing element, intensity variation sensing element, electric field change sensing element or STRESS VARIATION sensing element etc., is not limited.

Again, above-mentioned location sensing element 5 can further change a location sensing and control module 7 into, and this location sensing and control module 7 are arranged at this fixture 1 equally, but this location sensing and control module 7 sensing movement spares, 2 positions and adjust driver element 3 driving forces.

Further explanation, this location sensing and control module 7 comprise a location sensing element (figure slightly) and a control module (figure slightly).These location sensing element sensing moving member 2 positions, this control module is adjusted driver element 3 driving forces, and this location sensing element is changes of magnetic field sensing element, intensity variation sensing element, electric field change sensing element or STRESS VARIATION sensing element.

Side direction traction element 6 is arranged at fixture 1 and is positioned at coil 32 outsides, has the effect in intensifier coil 32 magnetic fields.In addition, side direction traction element 6 can attract mutually with magnetite 31, causes moving member 2 to produce an absorption affinity toward side direction traction element 6 directions.In addition, when moving member 2 deflection side direction traction elements 6 right side, will make the absorption affinity of moving member 2 suffered left and right directions uneven, and produce left a power, help moving member 2 to get back to middle position, anti-is as the same, so side direction traction element 6 has the function of proofreading and correct moving member 2.In the present embodiment, side direction traction element 6 is at least one magnetic conduction heel piece, but is not limited.Wherein this at least one magnetic conduction heel piece can be arranged at this at least one coil 32 away from one of them of the bottom of the top of a side of this at least one magnetite 31, this at least one coil 32 or this at least one coil 32.

During assembling, two axis of rolling 4 are arranged in respectively two relative perforatings 223 of moving member 2, and two axis of rolling, 4 two ends are placed in the stopper slot 12, the guidance part 11 of fixture 1 and the bearing and leaning portion 23 of moving member 2 are resisted against the axis of rolling 4 simultaneously at this moment, therefore can utilize this axis of rolling 4 that the absorption affinity of opposing moving member 2 toward coil 32 directions is provided.

[the second embodiment]

See also Fig. 4 to shown in Figure 6, present embodiment and the first embodiment difference part are that fixture 1 does not have stopper slot 12, and the guidance part 11 of fixture 1 is the plane of two parallel these moving member 2 moving directions, and this at least one axis of rolling 4 is resisted against guidance part 11.

At least one magnetite 31 of this of driver element 3 is chosen to be one, and is fixedly arranged on the moving member 2 direction towards coil 32.

Extension 22 comprises a plate 224 and two wing plates 225, and web joint 224 1 ends connect base portion 21, and the other end extends this two wing plate 225 to both sides.Two wing plates, 225 ends extend separately one to base portion 21 perpendicular direction ground and wear plate 226.Two wear and respectively have two perforatings 223 on the plate 226, on the web joint 224 relatively each perforating 223 place respectively have one and wear groove 227.Bearing and leaning portion 23 is positioned at two wing plates, 225 inboards.In the present embodiment, bearing and leaning portion 23 is eight outstanding bars that are parallel to moving member 2 moving directions, and each perforating 223 and relative groove 227 amongs that wear thereof have two outstanding bars.

A baffle plate 211 is outwards respectively extended in both sides, base portion 21 top, and each becomes a gear point 13 with respect to baffle plate 211 position each time concave reliefs on the fixture 1, so that moving member 2 is when dropping to the end, baffle plate 211 can make moving member 2 stop to descend against gear point 13.

During assembling, four axis of rolling 4 one ends are placed in wear the groove 227 interior other ends and be placed in perforating 223, the guidance part 11 of fixture 1 and the bearing and leaning portion 23 of moving member 2 are resisted against the axis of rolling 4 simultaneously at this moment, therefore can utilize the axis of rolling 4 that the absorption affinity of opposing moving member 2 toward coil 32 directions is provided.

The present invention comes moving-limiting spare 2 to the movement of driver element 3 with the axis of rolling 4, and the axis of rolling 4 is comparatively easy when assembling.

The above only is the present invention's preferred embodiment wherein, is not to limit practical range of the present invention, and namely all equalizations of doing according to the present patent application claim change and modify, and are all claim of the present invention and contain.

Claims (14)

1. a lens actuating device is characterized in that, comprising:
One fixture has a guidance part on this fixture;
One moving member that can move along optical axis direction, this moving member is arranged on this fixture;
One provides the driver element of this moving member driving force, and this driver element is arranged between this fixture and this moving member; And
At least one axis of rolling that can roll along optical axis direction, vertical this moving member moving direction of the axis direction of this at least one axis of rolling, this at least one axis of rolling is rotatable to be arranged between this moving member and this guidance part.
2. lens actuating device as claimed in claim 1 is characterized in that, this driver element includes at least one magnetite and at least one coil, and this at least one magnetite is arranged at this moving member, and this at least one coil is arranged at this fixture.
3. lens actuating device as claimed in claim 1 is characterized in that, other comprises a location sensing element in order to sensing movement spare position, and this location sensing element is arranged at this fixture.
4. lens actuating device as claimed in claim 2 is characterized in that, other comprises a side direction traction element, and this side direction traction element is arranged at this fixture.
5. lens actuating device as claimed in claim 3 is characterized in that, this location sensing element is changes of magnetic field sensing element, intensity variation sensing element, electric field change sensing element or STRESS VARIATION sensing element.
6. lens actuating device as claimed in claim 1 is characterized in that, this guidance part is the outstanding bar of at least one plane or at least one parallel this moving member moving direction, and this at least one axis of rolling is supported this guidance part.
7. lens actuating device as claimed in claim 1, it is characterized in that, this moving member includes a base portion, from this base portion side to extended extension and is positioned at a bearing and leaning portion on this extension, this bearing and leaning portion is at least one plane or at least one outstanding bar that is parallel to the moving member moving direction, and this at least one axis of rolling wears this extension and is resisted against this bearing and leaning portion.
8. lens actuating device as claimed in claim 4 is characterized in that, this side direction traction element is at least one magnetic conduction heel piece.
9. lens actuating device as claimed in claim 8 is characterized in that, wherein this at least one magnetic conduction heel piece is arranged at this at least one coil away from one of them of the bottom of the top of a side of this at least one magnetite, this at least one coil or this at least one coil.
10. lens actuating device as claimed in claim 2, it is characterized in that, other comprises a location sensing element in order to sensing movement spare position, this location sensing element is the changes of magnetic field sensing element that is arranged at this fixture, this changes of magnetic field sensing element is relative with magnetite on being arranged at this moving member, and is disposed at the opposite side of coil.
11. lens actuating device as claimed in claim 1 is characterized in that, this at least one axis of rolling is positioned at this moving member away from this driver element one side.
12. lens actuating device as claimed in claim 1 is characterized in that, other comprises one in order to sensing movement spare position and adjusts location sensing and the control module of drive unit drives power that this location sensing and control module are arranged at this fixture.
13. lens actuating device as claimed in claim 12 is characterized in that, this location sensing and control module comprise a location sensing element and a control module.
14. lens actuating device as claimed in claim 13 is characterized in that, this location sensing element is changes of magnetic field sensing element, intensity variation sensing element, electric field change sensing element or STRESS VARIATION sensing element.
CN201210152030.5A 2012-04-30 2012-05-16 Lens actuating device CN103376529B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW101115361 2012-04-30
TW101115361A TWI447467B (en) 2012-04-30 2012-04-30 Lens displacement device

Publications (2)

Publication Number Publication Date
CN103376529A true CN103376529A (en) 2013-10-30
CN103376529B CN103376529B (en) 2015-08-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210152030.5A CN103376529B (en) 2012-04-30 2012-05-16 Lens actuating device

Country Status (3)

Country Link
KR (1) KR101319178B1 (en)
CN (1) CN103376529B (en)
TW (1) TWI447467B (en)

Citations (3)

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JP2010032806A (en) * 2008-07-29 2010-02-12 Nidec Copal Corp Lens drive unit and electro-optical device
US20100123788A1 (en) * 2008-11-19 2010-05-20 Samsung Electronics., Ltd. Optical image stabilizer for camera module
US20110122517A1 (en) * 2009-11-20 2011-05-26 Samsung Electro-Mechanics Co., Ltd. Camera module and lens driving device

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JP2002365513A (en) * 2001-06-07 2002-12-18 Mamiya Op Co Ltd Manual focusing device for camera lens
TWI303009B (en) * 2006-01-24 2008-11-11 New Ken Technologies Co Ltd
TWM320096U (en) * 2007-04-09 2007-10-01 Wah Hong Ind Corp Lens actuation device
JP4488043B2 (en) * 2007-08-28 2010-06-23 ソニー株式会社 Image blur correction device, lens barrel, and imaging device
KR100982266B1 (en) * 2008-04-24 2010-09-14 삼성전기주식회사 Lens actuating module
KR20110008714U (en) * 2010-03-05 2011-09-15 자화전자(주) Lens focus adjuster
KR101182775B1 (en) * 2010-05-27 2012-09-14 삼성전기주식회사 Camera module

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Publication number Priority date Publication date Assignee Title
JP2010032806A (en) * 2008-07-29 2010-02-12 Nidec Copal Corp Lens drive unit and electro-optical device
US20100123788A1 (en) * 2008-11-19 2010-05-20 Samsung Electronics., Ltd. Optical image stabilizer for camera module
US20110122517A1 (en) * 2009-11-20 2011-05-26 Samsung Electro-Mechanics Co., Ltd. Camera module and lens driving device

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Publication number Publication date
TWI447467B (en) 2014-08-01
CN103376529B (en) 2015-08-05
KR101319178B1 (en) 2013-10-16
TW201344277A (en) 2013-11-01

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