WO2015133731A1 - Actionneur d'appareil-photo ayant une fonction de mise au point automatique et fonction de correction de tremblement d'appareil-photo - Google Patents

Actionneur d'appareil-photo ayant une fonction de mise au point automatique et fonction de correction de tremblement d'appareil-photo Download PDF

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Publication number
WO2015133731A1
WO2015133731A1 PCT/KR2015/000948 KR2015000948W WO2015133731A1 WO 2015133731 A1 WO2015133731 A1 WO 2015133731A1 KR 2015000948 W KR2015000948 W KR 2015000948W WO 2015133731 A1 WO2015133731 A1 WO 2015133731A1
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WO
WIPO (PCT)
Prior art keywords
carrier
magnet
base
camera
disposed
Prior art date
Application number
PCT/KR2015/000948
Other languages
English (en)
Korean (ko)
Inventor
김민기
서종식
박창욱
정상원
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 KR1020140026357A external-priority patent/KR101653247B1/ko
Priority claimed from KR1020140091265A external-priority patent/KR101664886B1/ko
Application filed by (주)하이소닉 filed Critical (주)하이소닉
Publication of WO2015133731A1 publication Critical patent/WO2015133731A1/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
    • G02B7/09—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
    • 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
    • G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B5/02—Lateral adjustment of lens
    • 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
    • G03B2205/0015—Movement of one or more optical elements for control of motion blur by displacing one or more optical elements normal to the optical axis
    • 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
    • G03B2217/00—Details of cameras or camera bodies; Accessories therefor
    • G03B2217/005—Blur detection

Definitions

  • the present invention is a camera actuator having an auto focus and a camera shake correction function, the focus adjustment drive for generating a driving force to adjust the focus of the camera and the camera shake correction driving unit for generating a driving force to compensate for the camera shake to autofocus adjustment And an easy-to-control camera actuator for camera shake correction.
  • the mobile terminal whose main function is voice communication may use various functions in addition to voice communication.
  • the camera function has become an essential function for the portable terminal.
  • the internal space for mounting the camera module is limited, so that the overall size of the camera module must be kept small while implementing high pixel and high performance camera functions.
  • Korean Patent Laid-Open Publication No. 10-2010-0066678 discloses a camera module having a camera shake correction device installed in a portable terminal.
  • FIG. 1 is a cross-sectional view of a camera module having a conventional camera shake correction device.
  • a camera module having a conventional image stabilization device includes a lens unit 110, a housing 120, an autofocus driving unit 130, a suspension member 140, a case 150, a circuit board 160, and a compensation actuator 170.
  • the autofocus driver 130 drives the lens unit 110 in the optical axis direction and includes a first coil 131 and a first magnet 132.
  • the first coil 131 is wound around the outer circumferential surface of the lens unit 110, and the first magnet 132 is installed in the housing 120 to face the first coil 131.
  • the auto focus driver 130 moves the lens unit 110 vertically in the Z direction by an electromagnetic force generated between the electric field caused by the current flowing through the first coil 131 and the magnetic field caused by the first magnet 132. Linear movement in the direction of the optical axis.
  • the compensation actuator 170 is used to compensate for horizontal shaking in the X-Z direction of the housing 120 caused by hand shaking, and is composed of a second coil 171, a second magnet 172, and a metal yoke 173.
  • the second coil 171 is wound in a rectangular or square shape and is installed on four sidewalls of the housing 120 to flow current.
  • the second magnet 172 is installed on the side wall of the case 150 to face the four second coil 171, the magnetic force of the second magnet 172 by the metal yoke 173 is the second coil 171 To be concentrated.
  • the autofocus driver 130 and the compensation actuator 170 adjust the focus or compensate for the shaking by using an electromagnetic force generated according to the direction of the magnetic field when a current flows in the coil affected by the magnetic field.
  • the first coil 131, the first magnet 132, the second coil 171, and the second magnet 172 are arranged side by side adjacent to each other,
  • the first coil 131 is affected by the magnetic field generated by the second magnet 172 as well as the first magnet 132
  • the second coil 271 is also the first magnet as well as the second magnet 172.
  • the magnetic field generated by 132 is affected.
  • the autofocus driver 130 and the compensation actuator 170 are provided. It is disadvantageous to miniaturize the camera module due to the increase of the internal space occupied.
  • the present invention has been made in view of the above-described problems, and provides a camera actuator having an automatic focusing and image stabilization function capable of fast and precise control for focusing and image stabilization of a camera while maintaining a small overall size. There is this.
  • the camera actuator having the auto focus and the image stabilization function of the present invention, by adjusting the position of the lens with respect to the image sensor to adjust the focus of the camera or to compensate for the camera shake correction function
  • a camera actuator having: a base disposed above the image sensor; A first carrier mounted with a lens and moving in an optical axis direction of the lens from an upper portion of the base; A second carrier moving in the vertical direction in the optical axis direction from the top of the base; A first driver disposed on one side of the first carrier to generate a driving force for moving the first carrier; And a second driver disposed on the other side of the first carrier to be separated from the first driver and generating a driving force for moving the second carrier.
  • the camera actuator having an autofocus control and image stabilization function of the present invention
  • the first ball guide disposed between the first carrier and the second carrier to reduce the friction force generated between the first carrier and the second carrier ;
  • a second ball guide disposed between the base and the second carrier to reduce the frictional force generated between the base and the second carrier while supporting the second carrier.
  • Guide protrusions are formed on both sides of the outer circumferential surface of the first carrier, and a driving hole is formed in the second carrier to insert the first carrier, and the guide protrusion and the first protrusion are formed on the inner surface of the driving hole.
  • a guide groove into which a ball guide is inserted is formed, wherein the first driving part is positioned in a direction in which the first ball guide is disposed based on the guide protrusion, and the second driving part is based on the guide protrusion. Is located in the direction opposite to the direction in which is located.
  • the first driving unit may include a first magnet mounted on an outer circumferential surface of the first carrier, a first coil mounted on the second carrier so as to face the first magnet, and mounted on the second carrier and mounted on the first carrier. Comprising a first yoke is generated between the magnet and the attraction, the guide projection is pressed by the attraction to the first ball guide in one direction of the first carrier.
  • the first driving unit may further include a first hall sensor configured to detect a change in the position of the first magnet.
  • the camera actuator having an autofocus control and image stabilization function of the present invention further comprises a cover mounted on the base to cover the second carrier, wherein the second driving unit is mounted on the second carrier And a second coil mounted on the cover to face the second magnet and the second magnet, wherein the base is equipped with a steel plate generating attraction between the second magnet and the second coil.
  • the carrier presses the second ball guide toward the base by the attraction force.
  • the second carrier is mounted with a contact plate in contact with an upper portion of the second ball guide, and the steel plate is in contact with a lower portion of the second ball guide.
  • the second driving unit may further include a second hall sensor for detecting a change in the position of the second magnet, and a second yoke disposed between the first carrier and the second magnet, and in the second yoke.
  • a avoiding part is formed to prevent deformation or distortion of the magnetic field formed around the second hall sensor.
  • the camera actuator having an automatic focusing and image stabilization function further comprises an elastic member having one end mounted on the base and the other end mounted on the second carrier to provide a restoring force to the second carrier.
  • the cross-sectional shape of the elastic member has a length in the longitudinal axis parallel to the optical axis direction is longer than or equal to the length in the horizontal axis direction.
  • another camera actuator having an automatic focusing and image stabilization function of the present invention is to adjust the position of the lens with respect to the image sensor to adjust the focus of the camera or to compensate for the camera shake.
  • a base disposed thereon;
  • a first carrier mounted with a lens and moving in an optical axis direction of the lens from an upper portion of the base;
  • a second carrier moving in the vertical direction in the optical axis direction from the top of the base;
  • a first driving part disposed on one side of the first carrier and including a first magnet and a first coil to generate a driving force for moving the first carrier;
  • a second driving part disposed on the other side of the first carrier and separated from the first driving part, the second driving part including a second magnet and a second coil to generate a driving force for moving the second carrier;
  • An elastic member disposed above the second carrier to return the second carrier to its original position;
  • a hall sensor disposed below the second magnet to detect a change in position of the second carrier.
  • the camera actuator having an autofocus control and image stabilization function of the present invention
  • the first ball guide disposed between the first carrier and the second carrier to reduce the friction force generated between the first carrier and the second carrier ;
  • a second ball guide disposed between the base and the second carrier to reduce the frictional force generated between the base and the second carrier while supporting the second carrier.
  • the base includes a steel plate so that the attraction force between the base and the second magnet, the second ball guide supports the second carrier in the opposite direction of the attraction force acting on the second magnet.
  • Guide protrusions are formed on both sides of the outer circumferential surface of the first carrier, and a driving hole is formed in the second carrier to insert the first carrier, and the guide protrusion and the first protrusion are formed on the inner surface of the driving hole.
  • a guide groove into which one ball guide is inserted is formed, and the first driving part is positioned in a direction in which the first ball guide is disposed based on the guide protrusion, and the second driving part is based on the guide protrusion. It is located in the direction opposite to the direction in which the drive unit is located.
  • a yoke is mounted to the second carrier such that an attractive force acts between the second carrier and the first magnet, and the first ball guide supports the guide protrusion in a direction opposite to the attractive force acting on the first carrier.
  • the second coil is wound around the insertion groove, the size of the insertion groove is larger than the size of the second magnet.
  • the camera actuator having an automatic focusing and image stabilization function of the present invention
  • the cover coupled to the base to cover the first carrier and the second carrier;
  • a spacer mounted to the cover and having a plurality of separation grooves formed therethrough;
  • a second circuit board mounted between the cover and the spacer, and a pressure pad is disposed between the cover and the second circuit board, and the second circuit board is spaced apart by the pressure pad.
  • a protruding protrusion is formed, and one end of the elastic member is mounted to the second carrier and connected to the first circuit board, and the other end is mounted to the protrusion through the separation groove and connected to the second circuit board.
  • the elastic member is composed of a plurality, one end of the elastic member is located in any one of the spaced apart lower groove, each of the first circuit board is connected by soldering.
  • the cross-sectional shape of the elastic member has a length in the longitudinal axis parallel to the optical axis direction is longer than or equal to a length in the horizontal axis direction.
  • the camera actuator having the auto focus and the image stabilization function of the present invention has the following effects.
  • the first driving unit and the second driving unit By separating and arranging the first driving unit and the second driving unit, it is advantageous for miniaturization and minimizes the loss of the driving force for adjusting the focus of the camera generated by the first driving unit and the driving force for image stabilization generated by the second driving unit. Accordingly, it is easy to control the operation of the first carrier and the second carrier and increase the reaction speed of the actuator for adjusting the focus of the camera or correcting the camera shake.
  • the steel plate is mounted on the base
  • the contact plate is mounted on the second carrier
  • the second carrier is moved between the steel plate and the contact plate, and the second carrier moves in contact with each other.
  • FIG. 1 is a cross-sectional view of a camera module having a conventional image stabilization device.
  • FIG. 2 is a perspective view of a camera actuator having auto focusing and image stabilization functions according to a first embodiment of the present invention
  • FIG 3 is an exploded perspective view of a one-way camera actuator having autofocus control and image stabilization according to a first embodiment of the present invention.
  • FIG. 4 is an exploded perspective view of another direction of a camera actuator having an autofocus control and a camera shake correction function according to the first embodiment of the present invention.
  • FIG. 5 is a perspective view of a base according to a first embodiment of the present invention.
  • FIG. 6 is a cross-sectional view taken along line A-A of FIG.
  • FIG. 7 is a view showing the first carrier and the second magnet separately mounted on the second carrier and the second carrier according to the first embodiment of the present invention.
  • FIG. 8 is a sectional view taken along line B-B in FIG. 2; FIG.
  • FIG. 9 is a view showing a cover and a second circuit board mounted on the cover according to the first embodiment of the present invention.
  • FIG. 10 is a view showing the second carrier and the second yoke separately according to the first embodiment of the present invention.
  • FIG. 11 is a sectional view taken along line C-C in FIG. 2; FIG.
  • FIG. 12 is a perspective view of an elastic member according to the first embodiment of the present invention.
  • Fig. 13 is a perspective view of a camera actuator having an auto focus adjustment and a camera shake correction function according to the second embodiment of the present invention.
  • FIG. 14 is an exploded perspective view of a camera actuator having an autofocus control and a camera shake correction function according to a second embodiment of the present invention.
  • 15 is a cross-sectional view taken along line A-A of FIG.
  • FIG. 16 is an exploded perspective view showing part D of FIG. 14 separately;
  • FIG. 17 is a sectional view taken along line B-B in FIG. 13; FIG.
  • FIG. 18 is a sectional view taken along line C-C in FIG. 13; FIG.
  • FIG. 19 is a perspective view of a camera actuator having an autofocus control and image stabilization function except a cover and a second circuit board according to a second embodiment of the present invention.
  • the present invention relates to a camera actuator mounted on a portable terminal and the like, and more particularly, to a camera actuator having an autofocus control and a camera shake correction function for adjusting a camera focus or correcting a camera shake by adjusting a position of a lens with respect to an image sensor.
  • the up and down directions are designated based on the accompanying drawings for the convenience of description, and may vary according to the use of the camera or the viewing angle of the actuator.
  • the camera actuator having the auto focus and the image stabilization function includes a base 10, a first carrier 20, and a second carrier 30.
  • the first ball guide 40, the second ball guide 50, the cover 60, the first driving part 70, the second driving part 80, and the elastic member 90 are formed.
  • the base 10 is formed in a rectangular plate shape and disposed on an upper portion of an image sensor (not shown).
  • the through hole 11 is formed in the center of the base 10 so that light is incident on the image sensor through a lens (not shown).
  • the steel plate 12 is mounted inside the base 10.
  • the steel plate 12 is formed in a 'b' shape, as shown in Figure 5, made of a metal material to generate a attraction force between the magnet.
  • the steel plate 12 When the steel plate 12 is manufactured, the steel plate 12 may be integrally formed with the base 10 by being mounted inside the base 10 by an insert injection method.
  • the base 10 has a first exposure hole 13 formed to expose a portion of the steel plate 12 to the upper portion of the base 10.
  • the first exposure hole 13 is formed in each corner portion of the base 10.
  • the first exposure holes 13 are formed at three of four corners of the base 10, respectively.
  • the steel plate 12 exposed to the upper portion of the base 10 through the first exposure hole 13 contacts the second ball guide 50.
  • the second ball guide 50 is disposed above the steel plate 12 exposed through the first exposure hole 13.
  • the steel plate 12 may be mounted on the base 10 without forming the first exposure hole 13 in the base 10.
  • the first carrier 20 is formed in a cylindrical shape, and a lens (not shown) is mounted at the center of the first carrier 20.
  • the first carrier 20 is coupled to the second carrier 30 and moves in the optical axis direction of the lens from the upper portion of the base 10.
  • the first carrier 20 moves in the vertical direction from the top of the image sensor.
  • the guide protrusion 21 protrudes from the outer circumferential surface of the first carrier 20.
  • the guide protrusions 21 are elongated in the vertical direction, two are formed on both sides of the first carrier 20, and protrude in opposite directions.
  • the mounting portion 22 is formed on the outer circumferential surface of the first carrier 20.
  • the mounting portion 22 is formed in one direction based on the guide protrusion 21 and is a portion on which the first magnet 71 is mounted.
  • the mounting part 22 is configured based on the first carrier ( 20) is formed on one side (right side).
  • the mounting portion 22 is formed such that two surfaces are perpendicular to each other, and the first two magnets 71 are mounted.
  • the straight line L is an arbitrary line for dividing the space around the first carrier 20 into two parts based on the first carrier 20, and the space divided by the straight line is necessarily divided into equal parts. It does not have to be.
  • the second carrier 30 moves in the vertical direction of the optical axis direction from the upper portion of the base 10.
  • the second carrier 30 may move in the front and rear and left and right directions.
  • the second carrier 30 is formed with a driving hole 31 into which the first carrier 20 is inserted, and of the second carrier 30 having the driving hole 31 formed therein.
  • a guide groove 32 into which the guide protrusion 21 and the first ball guide 40 are inserted is formed.
  • the guide groove 32 is formed long in the vertical direction so that the first carrier 20 can move up and down.
  • a first insertion hole 33 into which the first coil 74 is inserted is formed in the second carrier 30.
  • the first insertion hole 33 is formed in the second carrier 30 so as to correspond to the mounting portion 22, and is inserted into the first magnet 71 and the first insertion hole 33 mounted on the mounting portion 22.
  • One coil 74 faces.
  • the first insertion hole 33 is formed in one direction of the first carrier 20 with respect to the straight line (L).
  • the second carrier 30 is provided with a mounting groove 34 to which the second magnet 81 and the second yoke 87 are mounted.
  • the mounting groove 34 is formed in the other direction of the first carrier 20 based on the straight line L.
  • the first insertion hole 33 and the mounting groove 34 is formed in the opposite direction with respect to the straight line (L).
  • a second exposure hole 35 corresponding to each of the first exposure holes 13 is formed in the lower portion of the second carrier 30 and through the second exposure hole 35.
  • the contact plate 36 mounted on the second carrier 30 is exposed.
  • the contact plate 36 is made of metal and is in contact with the upper portion of the second ball guide 50.
  • the second carrier 30 is supported by the second ball guide 50 to be spaced apart from the base 10 in the upward direction and may move in the front and rear and left and right directions.
  • the first ball guide 40 is disposed between the first carrier 20 and the second carrier 30 to facilitate the vertical movement of the first carrier 20 in the vertical direction.
  • the frictional force generated between the 20 and the second carrier 30 is reduced.
  • the first ball guide 40 is inserted into the guide groove 32 together with the guide protrusion 21.
  • one first ball guide 40 is composed of three ball members (40a, 40b, 40c) arranged in the vertical direction, the diameter of the ball member located in the middle of the three ball members of the other two ball members Smaller than diameter
  • the second ball guide 50 is disposed between the base 10 and the second carrier 30 to support the second carrier 30, and to move the second carrier 30 forward, backward, and leftward and rightward. The frictional force generated between the 10 and the second carrier 30 is reduced.
  • the second ball guide 50 is disposed between the first exposure hole 13 and the second exposure hole 35, and the lower part contacts the steel plate 12 and the upper part contacts
  • the second carrier 30 is supported in contact with the plate 36 so as to be movable in the front, rear, left and right directions.
  • the second ball guide 50 may be caused by continuous friction.
  • Contact with the steel plate 12 is made of metal material in the upper and lower portions of the second ball guide 50 is not able to precisely control the second carrier (30) or to make a natural movement.
  • the plate 36 is disposed to precisely control the second carrier 30 and to allow natural movement.
  • the second ball guide 50 is preferably composed of three or more so as to stably support the second carrier 30.
  • the cover 60 is mounted on the base 10 to cover the first carrier 20 and the second carrier 30.
  • the cover 60 is bent from the upper side of the side cover 61 and the side cover 61 surrounding the side of the second carrier 30 to form the second carrier 30. It consists of an upper cover 62 covering the top.
  • a second insertion hole 63 corresponding to the mounting groove 34 is formed in the side cover 61.
  • the second coil 85 is inserted into and disposed in the second insertion hole 63, and the second coil 81 mounted in the mounting groove 34 and the second coil inserted into the second insertion hole 63 ( 85 are arranged to face each other.
  • a seating groove 64 is formed on an outer surface of the side cover 61 on which the second insertion hole 63 is formed.
  • the mounting groove 64 is mounted with a circuit board (second circuit board 82) for supplying current to the second coil 85.
  • the circuit board (the second circuit board 82) is mounted on the outer surface of the side cover 61, thereby increasing the internal space of the cover 60 without increasing the overall size of the cover 60.
  • the first driving unit 70 is disposed at one side of the first carrier 20 to generate a driving force for moving the first carrier 20.
  • the first driving unit 70 is located in one direction in which the first ball guide 40 is disposed based on the guide protrusion 21, and as shown in FIG. 6, the first driving unit 70 is the straight line L.
  • FIG. It is located on the right side with reference to).
  • the first driving unit 70 includes a first magnet 71, a first circuit board 73, a first coil 74, a first yoke 75, and a first hall sensor 76.
  • the first magnet 71 is mounted on the outer circumferential surface of the first carrier 20 to form a magnetic field around the first coil 74.
  • the pass plate 72 is mounted on the mounting portion 22 formed in the first carrier 20, and the first magnet 71 is mounted on the pass plate 72. It is arranged inside the two carriers 30.
  • the pass plate 72 induces the flow of the magnetic field formed by the first magnet 71 to minimize the formation of the magnetic field in the direction in which the second driving unit 80 is located, while the magnetic field is formed around the first coil 74. To form.
  • the first circuit board 73 is mounted on the outer surface of the second carrier 30 in which the first insertion hole 33 is formed, and the first coil 74, the first yoke 75, and the first hall sensor are provided. 76 is mounted.
  • the first coil 74 is mounted to the second carrier 30 so as to face the first magnet 71.
  • the first coil 74 is mounted on the first circuit board 73 mounted on the second carrier 30 and inserted into the first insertion hole 33.
  • the first coil 74 is disposed to face the first magnet 71 so that a magnetic field is formed around the current, and when a current is supplied through the first circuit board 73, the current is along the lead of the first coil 74. As it flows, an electromagnetic force that is a driving force for moving the first carrier 20 up and down is generated.
  • the first yoke 75 is mounted on the second carrier 30, and attraction force is generated between the first yoke 75 and the first magnet 71.
  • the first yoke 75 is mounted on the outer surface of the first circuit board 73 mounted on the second carrier 30, that is, on the opposite side to the surface on which the first coil 74 is mounted.
  • the first carrier 20 is pulled in the direction of the first yoke 75 by the attraction force generated between the first yoke 75 and the first magnet 71, and the guide protrusion 21 is connected to the first ball guide ( 40 is pressurized to one side direction which is the direction in which the 1st drive part 70 is arrange
  • the first carrier 20 may move up and down while the guide protrusion 21 and the first ball guide 40 are in close contact with each other.
  • the first hall sensor 76 is mounted on the first circuit board 73, is inserted into the first insertion hole 33, and is positioned at the winding center of the first coil 74.
  • the first hall sensor 76 detects a change in the magnetic field of the first magnet 71 and provides feedback information on the position of the first carrier 20 moving up and down for focus adjustment.
  • the second driving unit 80 is disposed on the other side with respect to the first carrier 20 to be separated from the first driving unit 70 and generates a driving force for moving the second carrier 30.
  • the second driving unit 80 is located in an opposite direction to the direction in which the first driving unit 70 is located with respect to the guide protrusion 21 (or the straight line L).
  • the second driving unit 80 includes a second magnet 81, a second circuit board 82, a second coil 85, a second hall sensor 86, and a second yoke 87.
  • the second magnet 81 is mounted to the second carrier 30.
  • the second magnet 81 is mounted in the mounting groove 34 to form a magnetic field around the second coil 85.
  • the second circuit board 82 is bent from the side board portion 83 and the side board portion 83 mounted on the seating groove 64 formed in the side cover 61.
  • the upper substrate portion 84 is disposed on the upper portion of the two magnets 81.
  • the side substrate portion 83 is disposed outside the side cover 61, the upper substrate portion 84 is disposed below the upper cover 62.
  • the second coil 85 is mounted to the cover 60 to face the second magnet 81.
  • the second coil 85 is mounted to the side board portion 83 mounted on the side cover 61 and inserted into the second insertion hole 63.
  • the second hall sensor 86 is disposed above the second magnet 81 to detect a change in position of the second magnet 81.
  • the second hall sensor 86 is mounted on the lower surface of the upper substrate 84 and disposed above the second magnet 81.
  • the second hall sensor 86 detects a change in the magnetic field of the second magnet 81 and provides feedback information on the position of the second carrier 30 moving back, front, left, and right for the camera shake correction.
  • the second yoke 87 is inserted into the mounting groove 34 and disposed between the first carrier 20 and the second magnet 81.
  • the second yoke 87 is provided with a avoiding part 88 for preventing deformation or distortion of the magnetic field detected by the second hall sensor 86.
  • the avoidance part 88 is a space formed recessed downward from the upper end of the 2nd yoke 87.
  • the second yoke 87 induces the flow of the magnetic field formed by the second magnet 81, thereby minimizing the formation of the magnetic field in the direction of the first carrier 20 and providing a magnetic field around the second coil 85. To form.
  • an evacuation part 88 is formed at the upper end of the second yoke 87.
  • the second yoke 87 is integrally formed with the contact plate 36, and may be mounted inside the second carrier 30 made of synthetic resin in an insert injection method.
  • the second carrier 30, the contact plate 36 and the second yoke 87 are integrally formed.
  • the contact plate 36 and the second yoke 87 may be formed in separate configurations that are separated from each other.
  • One end of the elastic member 90 is mounted on the base 10 and the other end is mounted on the second carrier 30 to provide a restoring force to the second carrier 30.
  • the elastic member 90 has one end mounted on the upper portion of the base 10 and the other end mounted on the lower portion of the second carrier 30 to move in a direction parallel to the base 10 to prevent camera shake. Provides restoring force to the two carriers 30.
  • the center axis of the lens and the center of the image sensor coincide with each other by the elastic force of the elastic member 90.
  • the cross-sectional shape of the elastic member 90 is formed such that the length y in the longitudinal axis parallel to the optical axis direction of the lens is longer than the length x in the horizontal axis.
  • the elastic member 90 may be formed such that the length (x) in the horizontal axis direction and the length (y) in the longitudinal axis direction are the same.
  • the portion (T) formed in a curved shape on the inside is connected to the first circuit board 73 to supply current to the first coil 74 and the first hall sensor 76. It is a terminal part.
  • the first carrier 20 and the second carrier 30 are connected to the first magnet 71 and the first yoke 75.
  • the first ball guide 40 is pressurized by the attraction force generated therebetween to be kept at a predetermined distance from the side.
  • the guide protrusion 21 inserted into the guide groove 32 presses the first ball guide 40 in one direction in which the first driving part 70 is located.
  • the base 10 and the second carrier 30 are pressurized by the second ball guide 50 by a force generated between the steel plate 12 and the second magnet 81 to be spaced apart a predetermined distance in the vertical direction. Is maintained.
  • the second ball guide 50 is disposed in the first exposure hole 13, the lower part is in contact with the steel plate 12, the contact plate 36 is in contact with the upper, the second carrier 30 is raised Support in the direction.
  • the second carrier 30 is fixed by the elastic member 90 without flowing laterally, and is maintained in a state where the center axis of the lens coincides with the center of the image sensor.
  • the focus of the camera may be adjusted by adjusting the distance between the lens mounted on the first carrier 20 and the image sensor.
  • the second carrier 30 coupled with 20 may move in the vertical direction of the lens optical axis to compensate for hand shake.
  • the actuator of the present invention uses electromagnetic force generated by a coil through which a current flows and a magnet forming a magnetic field around the coil, and compensates for the first driver 70 and the camera shake for adjusting the focus of the camera.
  • the second driving unit 80 is separated from the inner space of the actuator.
  • the driving force for adjusting the focus of the camera is reduced by the influence of the magnetic field generated by the first coil 74 in the second magnet 81, or the second coil 85 is generated in the first magnet 71. Since the driving force for image stabilization can be prevented from being reduced by the influence of the magnetic field, it is easy to control the operation of the first carrier 20 and the second carrier 30 by increasing the respective driving force and focusing the camera. Can increase the response speed of the actuator to adjust the vibration or to compensate for camera shake.
  • the camera actuator having the auto focus and the image stabilization function includes a base 200, a hall sensor 210, a cover 300, and a spacer ( 310, the first carrier 400, the second carrier 500, the first ball guide 610, the second ball guide 620, the first driving part 700, the second driving part 800, and the elastic member ( 900).
  • the base 200 is disposed above the image sensor (not shown).
  • the base 200 includes a steel plate 201 such that an attractive force acts between the base 200 and the second magnet 810.
  • the base 200 is formed in a rectangular flat plate shape as shown in FIG. 14, and a steel plate 201 is mounted inside the base 200 as shown in FIG. 4.
  • three exposed holes 202 are formed in the base 200 to expose the steel plate 201 to the upper portion of the base 200.
  • the second ball guide 620 is disposed in the exposed hole 202. A more detailed description will be described later together with the second ball guide 620.
  • the hall sensor 210 is disposed under the second magnet 810 in order to detect a change in position of the second carrier 500.
  • a lower circuit board 211 is mounted on an upper portion of the base 200, and a hall sensor 210 is mounted on the lower circuit board 211.
  • Two Hall sensors 210 are formed below each of the second magnets 810 and sense the change in the magnetic field of the second magnets 810 to detect the change of position of the second carrier 500. That is, the hall sensor 210 detects a change in the magnetic field of the second magnet 810 and provides feedback information on the position of the second carrier 500 that moves for camera shake correction.
  • the hall sensor 210 may be positioned close to the lower portion of the second magnet 810 to improve linearity of output information according to a change in position of the second magnet 810.
  • the cover 300 is coupled to the base 200 to cover the first carrier 400 and the second carrier 500.
  • the spacer 310 is mounted on the inner side of the cover 300 and spaced apart from the second carrier 500.
  • the spacer 310 is formed in a rectangular flat plate shape and has a plurality of spaced apart grooves 311 penetrating up and down.
  • the first carrier 400 is mounted with a lens (not shown) and moves in the optical axis direction of the lens from the upper portion of the base 200.
  • the guide protrusions 410 protrude from both sides of the outer circumferential surface of the first carrier 400.
  • the guide protrusions 410 are elongated in the vertical direction, two are formed on both sides of the first carrier 400, and the two guide protrusions 410 protrude in opposite directions. have.
  • the mounting portion 420 is formed on the outer circumferential surface of the first carrier 400.
  • the mounting part 420 is formed in any one direction with respect to the guide protrusion 410, and the first magnet 710 is mounted. As illustrated in FIG.
  • the mounting part 420 is formed based on the straight line L. It is formed on one side (right side) of 400.
  • the straight line L is an arbitrary line for dividing the space around the first carrier 400 and the first carrier 400 into two parts.
  • the mounting part 420 serves as a yoke for inducing the flow of the magnetic field formed by the first magnet 710 and concentrating the magnetic field around the first coil 720.
  • the second carrier 500 moves in the vertical direction of the optical axis direction from the upper portion of the base 200.
  • a driving hole 501 into which the first carrier 400 is inserted is formed in the second carrier 500, and a guide protrusion 410 is formed on an inner surface of the driving hole 501.
  • a guide groove 510 into which the first ball guide 610 is inserted is formed.
  • the guide groove 510 is formed long in the vertical direction so that the first carrier 400 can move up and down.
  • an insertion hole 520 into which the first coil 720 is inserted is formed in the second carrier 500.
  • the insertion hole 520 faces the mounting part 420.
  • the yoke 530 is mounted on the second carrier 500 such that an attractive force acts between the second carrier 500 and the first magnet 710.
  • the first circuit board 540 is mounted on the outer circumferential surface of the second carrier 500 in which the insertion hole 520 is formed, and the yoke 530 is mounted on the outer surface of the first circuit board 540.
  • the yoke 530 may be directly mounted to the second carrier 500.
  • a mounting groove 550 in which the second magnet 810 is mounted is formed in the second carrier 500.
  • the mounting groove 550 is formed in the other side (left side) direction of the first carrier 400 based on the straight line L as shown in FIG. 6. That is, the insertion hole 520 and the mounting groove 550 are formed in opposite directions with respect to the straight line L.
  • a contact plate 560 in contact with the second ball guide 620 is mounted below the second carrier 500.
  • the first ball guide 610 is disposed between the first carrier 400 and the second carrier 500 to facilitate the vertical movement of the first carrier 400 in the first carrier 400 and the second carrier 500.
  • the first ball guide 610 is inserted into the guide groove 510 together with the guide protrusion 410, and as shown in FIG. 17, in the opposite direction of the attraction force F acting on the first carrier 400. Support the guide protrusion 410.
  • the first ball guides 610 are inserted into the guide protrusions 410 formed on both sides of the second carrier 500, respectively, and one first ball guide 610 is vertically positioned. It consists of three ball members arranged in the direction, the diameter of the ball member located in the middle of the three ball members is smaller than the diameter of the other two ball members.
  • the second ball guide 620 is disposed between the base 200 and the second carrier 500 to support the second carrier 500 while allowing the second carrier 500 to move forward and backward and to the left and right in the left and right directions. ) And the frictional force generated between the second carrier 500.
  • the second ball guide 620 is inserted into the exposure hole 202 so that the lower part contacts the steel plate 201 and the upper part contacts the contact plate 560, and the second magnet Support the second carrier 500 in the opposite direction of the attractive force acted by 810.
  • the second ball guide 620 is not in contact with the steel plate 201 and the contact plate 560 of the metal material, but directly in contact with the base 200 and the second carrier 500 made of a synthetic resin material, etc.
  • the steel plate 201 and the contact plate 560 may be disposed at the portion where the second ball guide 620 contacts to prevent wear of the base 200 and the second carrier 500 and to prevent the wear of the second carrier 500.
  • the position can be precisely controlled.
  • the second ball guide 620 is preferably composed of three or more in order to support the second carrier 500 stably.
  • the first driving part 700 includes a first magnet 710 and a first coil 720 which are disposed on any one side of the first carrier 400 to generate a driving force for moving the first carrier 400. It is done by, the first driving part 700 may include a driver 730 in which a hall sensor is embedded. The first driving part 700 is positioned in the direction in which the first ball guide 610 is disposed based on the guide protrusion 410 as shown in FIG. 17. In detail, as illustrated in FIG. 7, the first magnet 710 is mounted on the mounting part 420 formed on the first carrier 400, and the first coil 720 is mounted on the first circuit board 540. And the insertion hole 520 is inserted into the insertion hole 520 formed in the second carrier 500.
  • the first magnet 710 and the first coil 720 are disposed to face each other.
  • the first magnet 710 attracts the first carrier 400 in the direction of the yoke 530 by the attraction force between the yoke 530 mounted on the second carrier 500.
  • the first ball guide 610 inserted into the guide groove 510 together with the guide protrusion 410 supports the guide protrusion 410 in the opposite direction of the attraction force. Accordingly, the guide protrusion 410 is maintained in close contact with the first ball guide 610.
  • the first driver 700 when the current flows in the first coil 720 located in the magnetic field formed by the first magnet 710, the first driver 700 generates an electromagnetic force to move the first carrier 400 in the optical axis direction. To adjust the focus.
  • the second driving unit 800 is disposed on the other side with respect to the first carrier 400 to be separated from the first driving unit 700 and generates a driving force for moving the second carrier 500.
  • a second coil 820 and are positioned in an opposite direction to the direction in which the first driving part 700 is positioned based on the guide protrusion 410 as shown in FIG. 17.
  • the second magnet 810 is a single pole magnet and is inserted into the mounting groove 550 formed in the second carrier 500 and positioned above the hall sensor 210.
  • the second coil 820 is mounted on the inner surface of the second circuit board 830 and disposed to face the second magnet 810.
  • the second circuit board 830 is mounted between the cover 300 and the spacer 310, and as the cover 300 covers the first carrier 400 and the second carrier 500 and is coupled to the base 200. It is bent to surround the outside of the second carrier 500.
  • the second coil 820 is wound around the insertion groove 821, and the size of the insertion groove 821 is larger than that of the second magnet 810. Accordingly, current flows in one direction in the second coil 820 located in the magnetic field formed by the second magnet 810 and the second magnet 810 and the second coil 820 facing the second coil 820.
  • the attraction force acts therebetween, as shown in FIG. 18B, the second magnet 810 moves and is inserted into the insertion groove 821, and the second carrier 500 is vertical in the optical axis direction, that is, horizontally. Will be moved in the direction.
  • the second magnet 810 is positioned above the steel plate 201 so that the second carrier 500 may move the second ball guide 620 by the attraction force acting between the steel plate 201. Close to
  • the elastic member 900 is disposed above the second carrier 500 to return the horizontally moving second carrier 500 to its original position. Specifically, in order to easily deform the elastic member 900 in the horizontal direction, the cross-sectional shape of the elastic member 900 is formed such that the length in the longitudinal axis parallel to the optical axis direction is longer than or equal to the length in the horizontal axis direction.
  • One end of the elastic member 900 is mounted to the second carrier 500 to be connected to the first circuit board 540, and the other end of the elastic member 900 is mounted to the protrusion 831 through the spaced groove 311. 830.
  • the elastic member 900 is composed of a plurality of, as shown in Figure 19, one end of the elastic member 900 is all located below any one of the separation grooves 311, respectively on the first circuit board 540 It is connected by soldering.
  • the elastic member 900 is a connection path for connecting power to the first driving part 700, and one end of the elastic member 900 is located in the same direction so that the elastic member 900 and the first circuit board 540.
  • the connection work is easy.
  • the other end of the elastic member 900 is located in the separation groove 311 other than the separation groove 311 in which one end of the elastic member 900 is located and is connected to the second circuit board 830. In detail, as illustrated in FIG.
  • a pressure pad 910 is disposed between the cover 300 and the second circuit board 830, and the pressure pad 910 is positioned below the second circuit board 830 by the pressure pad 910.
  • a protrusion 831 protruding into the spaced groove 311 is formed, and the other end of the elastic member 900 is connected to the bottom surface of the protrusion 831. Since the other end of the elastic member 900 and the second circuit board 830 are spaced up and down by the spacer 310, to connect the other end of the elastic member 900 to the second circuit board 830 as it is, an elastic member ( 900 may be excessively deformed and broken.
  • the pressing pad 910 is disposed between the cover 300 and the second circuit board 830, and the second circuit board 830 is moved by the pressing pad 910.
  • the gap between the protrusion 831 and the other end of the elastic member 900 is reduced so that the elastic portion is connected to the second circuit board 830 without being excessively deformed.
  • the pressure pad 910 and the protrusion 831 are also shown in FIG. 14.
  • the elastic member 900 is positioned above the second carrier 500, so that it is easy to design a lower structure of the second carrier 500.
  • the guide protrusion 410 and the first ball guide are driven by an attractive force acting between the first magnet 710 and the yoke 530. 610 is maintained in close contact, and the contact plate 560 and the second ball guide 620 are held in close contact by the attraction force acting between the second magnet 810 and the steel plate 201. .
  • the focus of the camera may be adjusted by adjusting the distance between the lens mounted on the first carrier 400 and the image sensor.
  • the second carrier 500 to which the first carrier 400 is coupled may move in the vertical direction of the lens optical axis to compensate for camera shake.
  • the actuator of the present invention utilizes electromagnetic force generated by a coil through which a current flows and a magnet forming a magnetic field around the coil, and compensates for the first driver 700 and the camera shake for adjusting the focus of the camera.
  • the second driving unit 800 is separated from the inner space of the actuator. Accordingly, the driving force for adjusting the focus of the camera is reduced due to the magnetic field generated by the first coil 720 in the second magnet 810, or the second coil 820 is generated in the first magnet 710. Since the driving force for image stabilization can be prevented from being reduced by the influence of the magnetic field, it is easy to control the operation of the first carrier 400 and the second carrier 500 by increasing the respective driving force, and focusing the camera. This can speed up the response of the actuator to adjust or compensate for camera shake.
  • the camera actuator having the present inventors auto focusing and image stabilization function is not limited to the above-described embodiments, and may be modified in various ways within the scope of the technical idea of the present invention.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Adjustment Of Camera Lenses (AREA)

Abstract

La présente invention porte sur un actionneur d'appareil-photo ayant une fonction de mise au point automatique et une fonction de correction de tremblement d'appareil-photo qui commande la mise au point optique d'un appareil-photo et corrige un tremblement d'appareil-photo par réglage de l'emplacement d'une lentille par rapport à un capteur d'image. L'actionneur d'appareil-photo comprend : une base disposée sur le côté supérieur d'un capteur d'image ; un premier support ayant une lentille montée sur ce dernier et se déplaçant sur la base dans la direction d'axe optique de la lentille ; un second support se déplaçant sur la base dans une direction perpendiculaire à la direction d'axe optique ; une première partie de pilotage disposée sur un côté du premier support afin de générer une force de pilotage pour déplacer le premier support ; et une seconde partie de pilotage qui est disposée sur le côté opposé du premier support et séparée de la première partie de pilotage et génère une force de pilotage pour déplacer le second support. En conséquence, il est facile de réaliser une commande pour une mise au point automatique et de correction de tremblement d'appareil-photo.
PCT/KR2015/000948 2014-03-06 2015-01-29 Actionneur d'appareil-photo ayant une fonction de mise au point automatique et fonction de correction de tremblement d'appareil-photo WO2015133731A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2014-0026357 2014-03-06
KR1020140026357A KR101653247B1 (ko) 2014-03-06 2014-03-06 자동 초점 조절 및 손떨림 보정 기능을 갖는 카메라 액추에이터
KR10-2014-0091265 2014-07-18
KR1020140091265A KR101664886B1 (ko) 2014-07-18 2014-07-18 자동 초점 조절 및 손떨림 보정 기능을 갖는 카메라 액추에이터

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WO2015133731A1 true WO2015133731A1 (fr) 2015-09-11

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CN105743318A (zh) * 2016-01-29 2016-07-06 瑞声光电科技(常州)有限公司 振动电机
CN107015419A (zh) * 2016-01-27 2017-08-04 三星电机株式会社 相机模块
CN107490920A (zh) * 2016-06-09 2017-12-19 磁化电子株式会社 用于自动聚焦的设备
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CN108681027A (zh) * 2018-07-04 2018-10-19 上海比路电子股份有限公司 透镜驱动马达、相机及移动终端装置
CN109254472A (zh) * 2017-07-12 2019-01-22 日本电产三协株式会社 带抖动修正功能的光学单元
KR20190024443A (ko) * 2017-08-31 2019-03-08 자화전자(주) 광학용 액추에이터
CN110830685A (zh) * 2018-08-09 2020-02-21 三星电机株式会社 相机模块
KR20200068636A (ko) * 2017-08-31 2020-06-15 자화전자(주) 광학용 액추에이터
CN112764297A (zh) * 2020-12-30 2021-05-07 深圳市火乐科技发展有限公司 动态扩散片组件及控制方法、激光消散斑装置、投影仪
CN112986238A (zh) * 2021-01-31 2021-06-18 荣旗工业科技(苏州)股份有限公司 带有相机核心防抖补偿结构的视觉检测系统及方法
WO2021159275A1 (fr) * 2020-02-11 2021-08-19 Huawei Technologies Co., Ltd. Appareil pour déplacer une unité de lentille
CN115348384A (zh) * 2022-02-28 2022-11-15 新思考电机有限公司 照相机装置及电子设备
WO2023274421A1 (fr) * 2021-07-02 2023-01-05 宁波舜宇光电信息有限公司 Ensemble d'entraînement de lentille, ensemble d'entraînement de puce, module de caméra et module d'actionnement optique à deux axes à base de bille
WO2023284277A1 (fr) * 2021-07-14 2023-01-19 高瞻创新科技有限公司 Module de caméra anti-tremblement et dispositif de photographie
WO2023040904A1 (fr) * 2021-09-15 2023-03-23 宁波舜宇光电信息有限公司 Composant d'entraînement anti-tremblement, module de caméra et procédé anti-tremblement, et composant d'entraînement utilisé pour entraîner une lentille, son procédé d'assemblage et module de caméra
WO2023219250A1 (fr) * 2022-05-09 2023-11-16 자화전자 주식회사 Actionneur pour appareil de prise de vues

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CN107015419B (zh) * 2016-01-27 2019-10-18 三星电机株式会社 相机模块
CN107015419A (zh) * 2016-01-27 2017-08-04 三星电机株式会社 相机模块
CN105743318A (zh) * 2016-01-29 2016-07-06 瑞声光电科技(常州)有限公司 振动电机
CN108603993B (zh) * 2016-02-10 2021-07-09 三美电机株式会社 透镜驱动装置、摄像机模块及摄像机搭载装置
CN108603993A (zh) * 2016-02-10 2018-09-28 三美电机株式会社 透镜驱动装置、摄像机模块及摄像机搭载装置
CN107490920A (zh) * 2016-06-09 2017-12-19 磁化电子株式会社 用于自动聚焦的设备
US11513312B2 (en) 2016-09-12 2022-11-29 Shanghai Billu Electronics Co., Ltd. Lens drive device
WO2018046010A1 (fr) * 2016-09-12 2018-03-15 上海比路电子股份有限公司 Dispositif de commande de lentille
US10948737B2 (en) 2017-07-12 2021-03-16 Nidec Sankyo Corporation Optical unit with shake correction function having swing supporting mechanism permitting a tilting posture
CN109254472A (zh) * 2017-07-12 2019-01-22 日本电产三协株式会社 带抖动修正功能的光学单元
CN109254472B (zh) * 2017-07-12 2021-06-25 日本电产三协株式会社 带抖动修正功能的光学单元
KR20190024443A (ko) * 2017-08-31 2019-03-08 자화전자(주) 광학용 액추에이터
KR102133280B1 (ko) 2017-08-31 2020-07-13 자화전자(주) 광학용 액추에이터
KR20200068636A (ko) * 2017-08-31 2020-06-15 자화전자(주) 광학용 액추에이터
KR102316053B1 (ko) 2017-08-31 2021-10-22 자화전자(주) 광학용 액추에이터
CN108681027A (zh) * 2018-07-04 2018-10-19 上海比路电子股份有限公司 透镜驱动马达、相机及移动终端装置
US11347134B2 (en) 2018-08-09 2022-05-31 Samsung Electro-Mechanics Co., Ltd. Camera module
CN110830685B (zh) * 2018-08-09 2021-11-23 三星电机株式会社 相机模块
CN110830685A (zh) * 2018-08-09 2020-02-21 三星电机株式会社 相机模块
CN115087900A (zh) * 2020-02-11 2022-09-20 华为技术有限公司 一种用于移动透镜单元的装置
WO2021159275A1 (fr) * 2020-02-11 2021-08-19 Huawei Technologies Co., Ltd. Appareil pour déplacer une unité de lentille
CN115087900B (zh) * 2020-02-11 2023-10-20 华为技术有限公司 一种用于移动透镜单元的装置
CN112764297B (zh) * 2020-12-30 2022-04-22 深圳市火乐科技发展有限公司 动态扩散片组件及控制方法、激光消散斑装置、投影仪
CN112764297A (zh) * 2020-12-30 2021-05-07 深圳市火乐科技发展有限公司 动态扩散片组件及控制方法、激光消散斑装置、投影仪
CN112986238A (zh) * 2021-01-31 2021-06-18 荣旗工业科技(苏州)股份有限公司 带有相机核心防抖补偿结构的视觉检测系统及方法
CN112986238B (zh) * 2021-01-31 2022-12-02 荣旗工业科技(苏州)股份有限公司 带有相机核心防抖补偿结构的视觉检测系统及方法
WO2023274421A1 (fr) * 2021-07-02 2023-01-05 宁波舜宇光电信息有限公司 Ensemble d'entraînement de lentille, ensemble d'entraînement de puce, module de caméra et module d'actionnement optique à deux axes à base de bille
WO2023284277A1 (fr) * 2021-07-14 2023-01-19 高瞻创新科技有限公司 Module de caméra anti-tremblement et dispositif de photographie
WO2023040904A1 (fr) * 2021-09-15 2023-03-23 宁波舜宇光电信息有限公司 Composant d'entraînement anti-tremblement, module de caméra et procédé anti-tremblement, et composant d'entraînement utilisé pour entraîner une lentille, son procédé d'assemblage et module de caméra
CN115348384A (zh) * 2022-02-28 2022-11-15 新思考电机有限公司 照相机装置及电子设备
CN115348384B (zh) * 2022-02-28 2023-12-26 新思考电机有限公司 照相机装置及电子设备
WO2023219250A1 (fr) * 2022-05-09 2023-11-16 자화전자 주식회사 Actionneur pour appareil de prise de vues

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