WO2012115357A2 - Appareil d'autofocus et de stabilisation d'image pour caméra, et caméra miniature le comprenant - Google Patents

Appareil d'autofocus et de stabilisation d'image pour caméra, et caméra miniature le comprenant Download PDF

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Publication number
WO2012115357A2
WO2012115357A2 PCT/KR2012/000593 KR2012000593W WO2012115357A2 WO 2012115357 A2 WO2012115357 A2 WO 2012115357A2 KR 2012000593 W KR2012000593 W KR 2012000593W WO 2012115357 A2 WO2012115357 A2 WO 2012115357A2
Authority
WO
WIPO (PCT)
Prior art keywords
blade
coil member
magnet
camera
housing
Prior art date
Application number
PCT/KR2012/000593
Other languages
English (en)
Korean (ko)
Other versions
WO2012115357A3 (fr
Inventor
정회원
지혜경
박창욱
Original Assignee
(주)하이소닉
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 claimed from KR1020110016479A external-priority patent/KR101197077B1/ko
Priority claimed from KR1020110016488A external-priority patent/KR101200711B1/ko
Application filed by (주)하이소닉 filed Critical (주)하이소닉
Publication of WO2012115357A2 publication Critical patent/WO2012115357A2/fr
Publication of WO2012115357A3 publication Critical patent/WO2012115357A3/fr

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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
    • G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
    • 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
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/10—Power-operated focusing
    • 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
    • G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B2205/0007—Movement of one or more optical elements for control of motion blur
    • 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
    • G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B2205/0053—Driving means for the movement of one or more optical element
    • G03B2205/0069—Driving means for the movement of one or more optical element using electromagnetic actuators, e.g. voice coils

Definitions

  • the first blade moves horizontally with the second blade due to the interaction of the first electromagnetic field generated when the power is applied to the first coil member and the magnetic field generated by the magnet, and is generated when the power is applied to the second coil member.
  • the second blade is moved up and down inside the first blade by the interaction between the second electromagnetic field and the magnetic field generated by the magnet.
  • the first blade is formed in a quadrangular shape, the first coil member is made of four is mounted on each outer surface of the first blade, the second coil member is wound around the central axis of the second blade, The first coil member is wound around an axis perpendicular to the central axis around which the second coil member is wound, and the first coil members disposed in mutually opposite directions are electrically connected to each other and are identical by the magnet when power is applied. Receive magnetic force in the direction
  • the present invention further comprises a support spring having one end mounted to the first blade and the other end mounted to the second blade to support the second blade in an upward direction, wherein the support spring includes the second coil. Power is applied to the member to elastically deform when the second blade moves up and down.
  • the magnet may include: a first pole portion
  • the first blade moves horizontally with the second blade due to the interaction of the first electromagnetic field generated when the power is applied to the first coil member and the magnetic field generated by the magnet, and occurs when the power is applied to the second coil member.
  • the second blade is moved up and down inside the first blade by the interaction between the second electromagnetic field and the magnetic field generated by the magnet.
  • the housing is formed in a hexahedral shape
  • the wire spring is composed of eight arranged in a diagonal direction of each two inside the corner of the housing.
  • Still another aspect of the present invention provides an autofocus and image stabilization apparatus for a camera, comprising: a first blade mounted horizontally inside a camera and having a first coil member mounted on an outside thereof; A second blade mounted inside the lens, mounted up and down inside the first blade, and having a second coil member mounted outside; It is made of a magnet mounted inside the camera and disposed on the outside of the first blade, the side of the first blade is formed with a through hole for communicating the inside and the outside, the second coil member is inserted into the through hole
  • the first blade is horizontally moved together with the second blade by an interaction between a first electromagnetic field generated when power is applied to the first coil member and a magnetic field generated by the magnet,
  • the second blade moves up and down inside the first blade due to the interaction between the second electromagnetic field generated when the power is applied to the second coil member and the magnetic field generated by the magnet.
  • the first blade is formed in a quadrangular shape, the first coil member is formed of four mounted on each outer surface of the first blade, the first coil member disposed in a direction facing each other is electrically connected to the power source When applied, magnetic force is applied in the same direction by the magnet.
  • the vertical length of the magnet is longer than the vertical length of the first coil member, the vertical length of the first pole portion is longer than the vertical distance of the insertion hole, and the vertical length of the insertion portion is shorter than the vertical distance of the insertion hole.
  • the maximum vertical distance between the outer surfaces of the insertion portion is longer than the maximum vertical distance between the outer surfaces of the first blade.
  • the present invention further comprises a support spring having one end mounted to the first blade and the other end mounted to the second blade to support the second blade in an upward direction, wherein the support spring includes the second coil. Power is applied to the member to elastically deform when the second blade moves up and down.
  • the housing is formed in a hexahedral shape
  • the wire spring is composed of eight arranged in a diagonal direction of each two inside the corner of the housing.
  • the first blade is formed in a quadrangular shape, and a mounting groove into which the wire spring is inserted is formed, and a lower portion of the first blade protrudes outwardly, and an inner plate is formed inwardly.
  • a first mounting groove formed at each corner of the first blade and the mounting groove formed on the protrusion;
  • An outer wire spring formed of a second mounting groove formed in the inner plate, the wire spring having an upper end fixedly mounted to the housing and a lower end inserted into the first mounting groove; The upper end is fixedly mounted to the housing and the lower end is formed of an inner wire spring inserted into the second mounting groove.
  • the wire spring is connected to the first coil member and the second coil member, respectively, to supply power to the first coil member and the second coil member by the control unit, and the first coil member includes four first coil members.
  • the first coil members mounted on the outer surfaces of the blades and disposed in opposite directions are electrically connected to each other so that the first blades are elastically deformed while receiving the magnetic force in the same direction by the magnet when the power is applied. And horizontally move the second blade.
  • a lifting groove penetrating up and down is formed in the inner plate formed in the first blade, and a lifting protrusion inserted into the lifting groove is protruded from the lower portion of the second blade, and one end of the support spring is formed in the first blade.
  • the lower end is fixedly mounted, the other end is fixedly mounted to the lifting projection, when power is applied to the second coil member, the second blade is prevented from horizontal movement and moves up and down.
  • the housing may include: a spacer disposed on the first blade and the second blade, wherein the wire spring is fixedly mounted; A hub disposed below the first blade and the second blade; Comprising a case for covering the spacer and the first blade and the second blade, the upper fixing protrusions are formed spaced apart from each other in the lower portion of the spacer protruding, the upper portion of the magnet is inserted between the upper fixing projections, the hub The lower fixing protrusions which are spaced apart from each other are formed to protrude from the upper portion of the lower portion of the magnet is inserted between the lower fixing protrusions.
  • the first blade is formed with a mounting protruding upward from each corner formed with the protrusion, the through hole is formed between the mounting, the first coil member is mounted, the through hole is opened upward do.
  • the number of parts is reduced, the structure is simple, the size is reduced, and the shake correction and the focus adjustment are performed. It is easy.
  • the vertical length of the insertion portion is shorter than the vertical distance of the insertion hole so that the insertion portion can be moved in and out of the insertion hole, thereby affecting the interaction between the magnetic field of the magnet and the second electromagnetic field generated when power is applied to the second coil member.
  • the focus of the subject can be easily adjusted by moving the second blade up and down.
  • the vertical length of the magnet is longer than the vertical length of the first coil member, thereby forming a sufficient magnetic field around the first coil member and the second coil member to move the first blade and the second blade horizontally and vertically.
  • the vertical length of the first pole portion is longer than the vertical distance of the insertion hole, so that the direction of the magnetic field interacting with the first electromagnetic field formed by applying power to the first coil member is uniformly formed, thereby horizontally moving the first blade. Easy to move to
  • the through-hole is formed to be open in the upward direction, it is possible to easily mount the second blade equipped with the second coil member inside the first blade.
  • the plurality of wire springs are arranged diagonally on the inside and the outside of the mount while supporting the first blade and the second blade horizontally inside the housing to simplify and downsize the structure of the camera.
  • FIG. 1 is a perspective view of a conventional image recording apparatus equipped with a camera shake correction function
  • FIG. 2 is an exploded perspective view of an image photographing apparatus equipped with a conventional image stabilization function
  • FIG. 3 is an exploded perspective view showing an enlarged view of A of FIG. 2;
  • FIG. 4 is a perspective view of a compact camera equipped with an auto focus and image stabilization device according to an embodiment of the present invention
  • FIG. 5 is an exploded perspective view of a small camera equipped with an auto focus and image stabilization device according to an embodiment of the present invention
  • FIG. 6 is an exploded perspective view of a small camera equipped with an autofocus and image stabilization device according to an embodiment of the present invention
  • FIG. 7 is a perspective view illustrating a state in which a magnet is separated from an autofocus and image stabilization device according to an embodiment of the present invention
  • FIG. 8 is an exploded perspective view of an auto focus and image stabilization device according to an embodiment of the present invention.
  • FIG. 10 is a cross-sectional view taken along line C-C of FIG.
  • FIG. 11 is a cross-sectional view taken along line D-D of FIG. 4;
  • FIG. 12 is a view schematically showing a magnetic field formed around a magnet according to an embodiment of the present invention.
  • FIG. 13 is a cross-sectional view illustrating a state in which the first blade is horizontally moved in FIG. 11;
  • Figure 4 is a perspective view of a small camera equipped with an auto focus and image stabilization apparatus according to an embodiment of the present invention
  • Figure 5 is a one-way exploded perspective view of a small camera equipped with an auto focus and image stabilization device according to an embodiment of the present invention
  • 6 is an exploded perspective view of a small camera equipped with an autofocus and image stabilization apparatus according to an embodiment of the present invention
  • FIG. 7 is a magnet separated from the autofocus and image stabilization apparatus according to an embodiment of the present invention.
  • 8 is an exploded perspective view of an autofocus and image stabilization device according to an embodiment of the present invention
  • FIG. 9 is a cross-sectional view taken along line BB of FIG. 4
  • FIG. 10 is a line CC of FIG. 4.
  • 11 is a cross-sectional view taken along line DD of FIG. 4
  • FIG. 12 is a diagram schematically showing a magnetic field formed around a magnet according to an embodiment of the present invention. to be.
  • the mounting blade 210 protrudes upward from the first blade 200.
  • the through hole 211 is formed in a rectangular shape and penetrates the inside and the outside of the first blade 200.
  • the protrusions 220 are formed at edges of the first blade 200 in which the mounting table 210 is formed.
  • the protrusions 220 are inserted into the seating recesses 133, respectively.
  • the protrusion 220 moves horizontally in the seating groove 133 when the first blade 200 moves horizontally.
  • a second mounting groove 232 is formed in the inner plate 230.
  • the second mounting grooves 232 are formed inside the corners of the first blade 200 in which the mounting table 210 is formed, and are disposed in a diagonal direction with the first mounting grooves 221.
  • the support protrusion 234 protrudes from the lower surface of the first blade 200, that is, the lower surface of the inner plate 230.
  • the first coil member 300 is wound around the through hole 211.
  • the first coil member 300 is wound in a hollow shape to form an insertion hole 310.
  • the insertion hole 310 is in communication with the through hole 211.
  • the first coil member 300 is wound along the shape of the through hole 211, and the insertion hole 310 is formed in a quadrangular shape.
  • the shape of the insertion hole 310 is not specified as a single shape as in the present embodiment, and the second coil member 500 to be described later is inserted into the communication through the through-hole 211.
  • the first coil members 300, 300a, 300b, 300c, and 300d are formed of four as shown in FIGS. 7 and 8, that is, the outer surface of the first blade 200, that is, the mounting table 210. Are mounted on each).
  • the first coil members 300a and 300b mounted as described above and disposed to face each other are electrically connected to each other.
  • the remaining two first coil members 300c and 300d arranged in mutually opposite directions are also electrically connected as described above.
  • the first coil member 300 electrically connected to each other receives a magnetic force in the same direction by the magnet 700 when power is applied.
  • the first blade 200 and the second blade 400 move horizontally, thereby compensating for hand shake, thereby minimizing shaking of the image captured by the image sensor, thereby capturing high quality images.
  • the second blade 400 is mounted to be moved up and down inside the first blade 200.
  • the second blade 400 is formed in an octagonal pillar shape as shown in FIG. 8, and a lens hole 401 is formed therein to mount the lens (not shown).
  • the lens hole 401 communicates with the first opening 111, the second opening 121, the opening hole 231, and the third opening 131, and is disposed below the housing 100.
  • An image sensor (not shown) captures an image of a subject passing through the lens.
  • a lifting protrusion 410 inserted into the lifting groove 233 is protruded from a lower portion of the second blade 400.
  • the lifting protrusion 410 is formed in a rectangular shape and moves vertically without moving horizontally inside the lifting groove 233.
  • the second blade 400 moves horizontally together with the first blade 200 and moves only up and down inside the first blade 200.
  • the support springs 610 and 620 are mounted to the lower portion of the lifting protrusion 410.
  • a coil groove 420 into which the second coil member 500 is inserted is formed on an outer surface of the second blade 400.
  • the second coil member 500 is wound around a central axis of the second blade 400 and mounted on the outside of the second blade 400.
  • the second blade 400 on which the second coil member 500 is mounted is formed so that the through hole 211 is opened upward as described above, so that the second blade 400 is easily mounted in the first blade 200. do.
  • the second coil member 500 includes an insertion part 510 and a connection part 520 as shown in FIG. 8.
  • the insertion part 510 penetrates the through hole 211 and is inserted into the insertion hole 310.
  • the insertion part 510 inserted into the insertion hole 310 is disposed adjacent to the magnet 700.
  • the maximum vertical distance D1 between the outer surfaces of the insertion portion 510 is between the outer surfaces of the first blade 200. It is formed longer than the maximum vertical distance (D2) is inserted into the insertion portion 510 is inserted into the insertion hole (310).
  • the insertion part 510 is inserted into the insertion hole 310 so that both the first coil member 300 and the second coil member 500 are disposed adjacent to the same magnet 700, so that the number of parts
  • the camera can be miniaturized by reducing the size and simplifying the structure.
  • the maximum vertical distance (D1) between the outer surface of the insertion portion 510 is formed longer than the maximum vertical distance between the outer surface of the first coil member 300 disposed in the direction facing each other to the first 1 may be protruded to the outside of the coil member 300, the maximum vertical distance (D1) between the outer surface of the insertion portion 510 and the maximum vertical distance between the outer surface of the first coil member 300 It is preferable to form the same or short to secure the distance that the first blade 200 and the second blade 400 can move horizontally.
  • the vertical length (L1) of the insertion portion 510 is formed shorter than the vertical distance (D3) of the insertion hole (310).
  • the vertical length L1 of the insertion portion 510 is shorter than the vertical distance D3 of the insertion hole 310, so that the insertion portion 510 is moved when the second blade 400 moves up and down. It can be moved up and down inside the insertion hole (310).
  • connection part 520 is inserted into the coil groove 420 and connects the insertion part 510 and the insertion part 510.
  • the wire spring 800 is disposed between the mounting table 210 and the connecting portion 520 as described below, the wire spring 800 is inserted into and disposed in the coil groove 420.
  • the arrangement space of 800) can be secured.
  • the structure may be simplified while miniaturizing the structure.
  • the second coil member 500 forms a second electric field around when the power is applied, and the second electric field is formed by the interaction with the magnetic field generated by the magnet 700. 400 to raise and lower the inside of the first blade (200).
  • the insertion part 510 is inserted into the insertion hole 310 so that the insertion part 510 is disposed adjacent to the magnet 700.
  • the second coil member 500, The second blade 400 may be elevated without the insertion unit 510 being inserted into the insertion hole 310.
  • the second blade 400 mounted with the lens moves up and down, thereby automatically adjusting the focus of a subject, thereby making it easy to capture an image.
  • One end of the support springs 610 and 620 is mounted to the first blade 200 and the other end is mounted to the second blade 400 to support the second blade 400 upward.
  • the support springs 610 and 620 may be divided into two branches from one end, and may include two first support springs 610 and two second support springs 620.
  • the support springs 610 and 620 are made of a metallic material having elastic force to support the second blade 400 upward with respect to the first blade 200.
  • four magnets 700 are disposed adjacent to the first coil member 300 and the second coil member 500, respectively.
  • the vertical length L4 of the first pole portion 710 is shorter than the vertical distance D3 of the insertion hole 310, that is, inward direction of the first coil member 300, that is, Since the magnetic fields in different directions act from the first pole portion 710 and the second pole portion 720 toward the insertion hole 310, it may be difficult to horizontally move the first blade 200 in a specific direction. have.
  • the case 110 has a first penetrating hole 111 through which the incident light projected by the lens mounted on the second blade 400 passes through the upper and lower portions.
  • the lower end is fixedly mounted to the hub 130 by covering the spacer 120, the first blade 200, and the second blade 400.
  • the spacer 120 is formed in a rectangular plate shape, is mounted on an inner upper surface of the case 110, and the first blade 200 and the second blade 400 are disposed below.
  • the spacer 120 is formed with a circular second through hole 121 communicating with the first through hole 111.
  • the upper fixing protrusion 122 protrudes from the lower portion of the spacer 120.
  • the upper fixing protrusions 122 are spaced apart from each other so that the upper portion of the magnet 700 is inserted therebetween.
  • the wire spring 800 is fixedly mounted to the spacer 120.
  • the hub 130 is formed with a third through hole 131 through which the incident light passing through the lens penetrates.
  • first blade 200 and the second blade 400 are disposed on the hub 130.
  • the lower fixing protrusion 132 is formed on the upper portion of the hub 130.
  • the lower fixing protrusions 132 are spaced apart from each other to correspond to the lower portions of the upper fixing protrusions 122, respectively, and the lower portion of the magnet 700 is inserted between the lower fixing protrusions 132.
  • seating grooves 133 are formed at upper corners of the hub 130.
  • the mounting groove 133 is inserted into the protrusion 220 formed in the first blade 200 to be described later.
  • An image sensor (not shown) is disposed below the hub 130.
  • a sensor (not shown) is installed inside the housing 100 to detect positions of the first coil member 300 and the second coil member 500.
  • the wire spring 800 has an upper end mounted on the housing 100 and a lower end mounted on the first blade 200.
  • the outer wire spring 801 has an upper end fixedly mounted to the spacer 120 and a lower end inserted into the first mounting groove 221.
  • the inner wire spring 802 has an upper end fixedly mounted to the spacer 120 and a lower end inserted into the second mounting groove 232.
  • the inner wire spring 802 is disposed between the mounting table 210 and the connecting portion 520.
  • the wire spring 800 is formed of a conductor through which current flows, and is connected to the first coil member 300 and the second coil member 500 to supply power applied from the controller to the first coil member 300. And transfer to the second coil member (500).
  • the other end of the first coil member 300a is electrically connected to one end of another first coil member 300b disposed in a direction facing each other as described above, and the other end of the first coil member 300b is One of the other wire springs 800 is connected to a lower end of the wire springs 800, and an upper end of the wire springs 800 connected to the first coil member 300b is connected to the control unit to form a circuit. Will be configured.
  • first coil members 300c and 300d disposed to face each other also form a separate circuit as described above to receive power from the controller.
  • the four wire springs 800 are connected to the first coil member 300.
  • the wire spring 800 of any one of the other four wire springs 800 has an upper end connected to the control unit, and a lower end thereof with one end of the first support spring 610 mounted to the support protrusion 234a. Connected.
  • the other end of the second coil member 500 is connected to the other end of the second support spring 620 mounted on the lifting protrusion 410b, and one end of the second support spring 620 is the other wire spring.
  • One of the 800 is connected to the lower end of the wire spring 800, the upper end is connected to the control unit to form a circuit connected to the second coil member 500.
  • wire springs 800 As described above, six wire springs 800 are used, and the other two wire springs 800 support the first blade 200 and the second blade 400 horizontally inside the housing 100. It is used auxiliary to make.
  • FIG. 13 is a cross-sectional view illustrating the horizontal movement of the first blade in FIG. 11, and FIG. 14 is a cross-sectional view illustrating the vertical movement of the second blade in FIG. 10.
  • the second blade 400 is disposed to be supported upward in the interior of the first blade 200 by the support springs 610 and 620.
  • the wire spring 800 is elastically deformed to the right.
  • the outer wire spring 801 is also elastically deformed.
  • the first blade 200 and the second blade 400 move to the left direction.
  • first blade 200 and the second blade 400 are horizontally moved in the front, rear, left, and right directions by the controller, such that the lenses mounted on the second blade 400 move together to correct camera shake. do.
  • the support spring is elastically deformed in the upward direction.
  • the lenses mounted inside the second blade 400 are raised together to adjust the focus of the subject.
  • the second blade 400 When the power is cut off to the second coil member 500, the second blade 400 returns to its original position by the elastic restoring force of the support spring.
  • the auto-focus and image stabilization apparatus for the camera of the present invention and the small camera equipped with the device are not limited to the above-described embodiments, and may be variously modified and implemented within the range to which the technical idea of the present invention is permitted.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Adjustment Of Camera Lenses (AREA)
  • Lens Barrels (AREA)
  • Studio Devices (AREA)

Abstract

L'invention concerne un appareil d'autofocus et de stabilisation d'image pour une caméra, ainsi qu'une caméra miniature le comprenant. Dans cet appareil d'autofocus et de stabilisation d'image, une lentille peut être déplacée verticalement en utilisant une bobine et un aimant afin d'ajuster le foyer d'un sujet et de stabiliser une image. Cet appareil d'autofocus et de stabilisation d'image comprend : une première lame sur l'extérieur de laquelle est monté un premier élément bobine, la première lame étant disposée de manière à pouvoir se déplacer horizontalement dans la caméra ; une seconde lame dans laquelle est montée une lentille et sur l'extérieur de laquelle est monté un second élément bobine, la seconde lame étant disposée de manière à pouvoir se déplacer verticalement dans la première lame ; et un aimant monté dans la caméra et disposé à l'extérieur de la première lame. L'aimant comprend : une première partie pôle polarisée dans la direction du second élément bobine ; et des secondes parties pôles disposées au-dessus et en dessous de la première partie pôle, respectivement, lesquelles secondes parties pôles étant polarisées dans une direction opposée à celle de la première partie pôle.
PCT/KR2012/000593 2011-02-24 2012-01-25 Appareil d'autofocus et de stabilisation d'image pour caméra, et caméra miniature le comprenant WO2012115357A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2011-0016488 2011-02-24
KR1020110016479A KR101197077B1 (ko) 2011-02-24 2011-02-24 카메라용 자동 초점 및 손떨림 보정 장치 그리고 이러한 장치가 장착된 소형 카메라
KR10-2011-0016479 2011-02-24
KR1020110016488A KR101200711B1 (ko) 2011-02-24 2011-02-24 카메라용 자동 초점 및 손떨림 보정 장치 그리고 이러한 장치가 장착된 소형 카메라

Publications (2)

Publication Number Publication Date
WO2012115357A2 true WO2012115357A2 (fr) 2012-08-30
WO2012115357A3 WO2012115357A3 (fr) 2012-12-06

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Cited By (5)

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JP2014052620A (ja) * 2012-09-07 2014-03-20 Samsung Electro-Mechanics Co Ltd カメラモジュール
CN105824167A (zh) * 2015-01-22 2016-08-03 Lg伊诺特有限公司 镜头驱动装置、相机模块和光学设备
WO2020211046A1 (fr) * 2019-04-17 2020-10-22 瑞声科技（南京）有限公司 Structure vibrante et moteur linéaire utilisant une structure vibrante
CN114967028A (zh) * 2013-05-29 2022-08-30 Lg伊诺特有限公司 镜头驱动装置、照相机模块和移动电话
JP7510072B2 (ja) 2022-08-05 2024-07-03 ミツミ電機株式会社 光学素子駆動装置、カメラモジュール及びカメラ搭載装置

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