WO2006035580A1 - レンズ鏡胴、および該レンズ鏡胴を備えた撮像装置、カメラ、携帯機器 - Google Patents
レンズ鏡胴、および該レンズ鏡胴を備えた撮像装置、カメラ、携帯機器 Download PDFInfo
- Publication number
- WO2006035580A1 WO2006035580A1 PCT/JP2005/016519 JP2005016519W WO2006035580A1 WO 2006035580 A1 WO2006035580 A1 WO 2006035580A1 JP 2005016519 W JP2005016519 W JP 2005016519W WO 2006035580 A1 WO2006035580 A1 WO 2006035580A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lens
- lens group
- lens barrel
- opening
- barrier
- Prior art date
Links
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
- G02B7/10—Mountings, 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
- G02B7/102—Mountings, 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
-
- 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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
-
- 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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/17—Bodies with reflectors arranged in beam forming the photographic image, e.g. for reducing dimensions of camera
Definitions
- the present invention relates to a lens barrier driving mechanism provided in an opening, which is a subject light incident portion, of a lens barrel of an imaging optical system configured to bend a subject light substantially at a right angle and guide the light to an imaging device. Is.
- an imaging optical system has been used in a so-called digital camera in which a signal obtained by photoelectrically converting a subject image by an imaging device is converted into a digital signal, subjected to predetermined processing, and electronically recorded on a recording medium.
- an imaging optical system in which a reflecting member is disposed and an optical axis is bent in a direction substantially parallel to the front surface of the camera.
- a lens barrier that is opened and closed by moving the opening on the front surface of the camera equipped with the bending optical system where the subject light is incident to a covering position and an exposing position is also known.
- a zooming cam cylinder arranged around the optical axis in the circumferential direction of the lens group is used.
- a device that uses a predetermined region for opening and closing the lens barrier is known.
- Patent Document 1 Japanese Patent Laid-Open No. 2001-111868 (FIGS. 6 to 10)
- the above-described camera using the bending optical system can form the front surface of the camera in a flat manner without the optical system protruding from the front of the force lens body even if the bending optical system is a variable power system.
- a predetermined region used for opening and closing the lens barrier is a power-on switch or the like.
- the lens barrier can be opened, i.e. ready for shooting, by simply operating the operating member.
- the operability must be good.
- a cam barrel for zooming must be placed around the optical axis outside the lens group that composes the optical system. This increases the lens barrel diameter of the optical system and makes the camera thinner. Is an obstacle.
- the lens barrier opening / closing drive mechanism described in Patent Document 1 described above manually and sequentially rotates an operation ring provided around the opening on the front surface of the camera, and is electrically operated to open and close. There is a problem that the operability is inferior to the lens barrier.
- the present invention makes it possible to reduce the thickness of a bending optical system using a reflecting member, and to provide a lens barrel having a lens barrier opening / closing mechanism with good operability, and the lens mirror.
- a lens barrel having a lens barrier opening / closing mechanism with good operability, and the lens mirror By providing the trunk, it is an object to obtain a thinner camera.
- the lens mirror configured to change the magnification by moving the group in the optical axis direction, at least one lens group among the predetermined lens groups moving in the optical axis direction is screwed into the lead screw.
- the screw member is configured to move according to the movement of the member, the screw member is configured to be movable to a position exceeding a moving range of the one lens group, and exceeds a moving range of the one lens group of the screw member.
- position Lens barrel characterized by being configured to open and close the lens barrier by movement.
- the lens group disposed between the reflecting member and the imaging element is positioned in a direction orthogonal to each optical axis by two guide shafts. 1) ⁇ 3)!
- An imaging apparatus comprising the lens barrel of any one of 1) to 4).
- a camera comprising the lens barrel of any one of 1) to 4).
- a portable device with a camera function comprising the lens barrel of any one of 1) to 4).
- the screw member that is screwed into the lead screw is moved, and the lens group is moved in accordance with this, so that the zooming is performed.
- the screw member exceeds the moving range of the lens group.
- the lens barrel is configured such that the lens barrier is opened and closed by moving the screw member beyond the moving range of the lens group.
- the lens barrel can be made thin, and the lens barrel can be opened and closed and zoomed without adding a new actuator. Can be obtained.
- FIG. 1 is a diagram showing an example of an internal arrangement of main constituent units of a camera provided with a lens barrel according to the present invention.
- FIG. 2 is a perspective view of a lens barrel according to the present invention in a unit state.
- FIG. 3 is a cross-sectional view illustrating a foldable imaging optical system capable of zooming and encapsulated in a lens barrel according to the present invention.
- FIG. 4 is a schematic diagram showing a moving mechanism of a second lens group and a fourth lens group.
- FIG. 5 is a schematic diagram showing an example of a lens barrier opening / closing mechanism of the lens barrel according to the present invention.
- FIG. 6 is a schematic view showing another example of the lens barrier opening / closing mechanism according to the present invention.
- FIG. 1 is a diagram showing an example of an internal arrangement of main constituent units of a camera 100 including a lens barrel according to the present invention.
- the figure is a perspective view of the camera 100 as viewed from the subject side.
- a lens barrel 50 according to the present invention that includes a foldable imaging optical system capable of zooming is vertically arranged on the right side as shown in the figure to capture a subject light flux.
- the openings 51 are arranged as shown. Further, a lens barrier is provided that opens the lens opening 51 and closes the lens opening 51.
- [0023] 52 is a flash light emission window
- 53 is a flash unit composed of a reflector, a xenon tube, other main capacitors, a circuit board, etc. disposed behind the flash light emission window.
- the Reference numeral 54 denotes a card-type image recording memory.
- 55 is a battery that supplies power to each part of the camera. In the image recording memory 54 and the battery 55, a lid portion (not shown) can be removed.
- a release button 56 is disposed on the upper surface of the camera, and the camera is prepared for shooting, that is, the focusing operation and the photometric operation are performed by pushing the first step, and the exposure operation is performed by pushing the second step.
- 57 is a main switch which switches the camera between an operating state and a non-operating state. When switched to the operating state by the main switch 57, the lens barrier (not shown) is opened and the operation of each part is started. When the main switch 57 is switched to the non-operating state, the lens barrier is closed and the operation of each unit is terminated.
- an image display unit 58 which is composed of an LCD or an organic EL, and displays images and other character information, is disposed.
- a zoom button for zooming up and down a playback button for playing back a captured image, a menu button for displaying various menus on the image display unit 58, and selecting a desired function from the display
- An operation member such as a selection button is arranged.
- each part is connected between these main constituent units, and a circuit board on which various electronic components are mounted is arranged to drive and control each main constituent unit. It has become.
- an external input / output terminal a strap attaching portion, a tripod seat, and the like are provided.
- FIG. 2 is a perspective view of the lens barrel 50 according to the present invention in a unit state.
- the lens barrel 50 is arranged on the main barrel A10 in the vicinity of the lens opening 51, with the lens barrier 60 supported by the support shaft 61.
- the lens barrier 60 rotates in the direction of the arrow with the support shaft 61 as the center, and switches between a position where the lens opening 51 is exposed and a position where the lens opening 51 is covered to perform an opening / closing operation.
- 6 is an image sensor
- 20 is a first motor that moves one lens group
- 21 is a second motor that moves the other lens group.
- the first motor 20, the second motor 21, and the image sensor 6 are connected to a printed circuit board (not shown) and are individually controlled and driven! / Speak.
- FIG. 3 is a cross-sectional view showing a foldable imaging optical system capable of zooming and encapsulated in a lens barrel 50 according to the present invention. This figure shows a state in the wide state, and is cut along a plane including two optical axes before and after bending.
- OA is the optical axis before bending
- OB is the optical axis after bending.
- the outside of the lens barrel 50 is composed of a main cylinder A10 and a main cylinder B11.
- Reference numeral 1 denotes a first lens group.
- the first lens group 1 includes a lens 11 that is disposed toward a subject with an optical axis OA, and a prism 12 that is a reflecting member that bends the optical axis OA in a substantially right angle direction.
- the lens 13 is arranged with the optical axis OB bent by the prism 12 as the optical axis.
- the first lens group 1 is a lens group fixed to the main barrel A10.
- a lens barrier 60 is disposed that opens to expose the opening and closes to cover the opening.
- the lens barrier 60 rotates while sliding on the rail 10r formed on the main trunk A10, and is in an open state and a closed state that covers the opening.
- Reference numeral 2 denotes a second lens group, which is incorporated in the second lens group frame 2k.
- the second lens group is a lens group that moves together with the second lens group frame 2k during zooming (hereinafter also referred to as zooming).
- Reference numeral 3 denotes a third lens group, which is incorporated in the third lens group frame 3k.
- the third lens group 3 is a lens group in which the third lens group frame 3k is fixed by the main barrel A10 and does not move during zooming.
- Reference numeral 4 denotes a fourth lens group, which is incorporated in the fourth lens group frame 4k.
- the fourth lens group is a lens group that moves together with the fourth lens group frame 4k at the time of zooming and focusing (hereinafter also referred to as focusing).
- Reference numeral 5 denotes an optical filter in which an infrared light cut filter and an optical one-pass filter are stacked, and is assembled to the main cylinder A10.
- Reference numeral 6 denotes an image sensor, and a CCD (Charge Coupled Device) type image sensor, a CMOS (Complementary Metal-Oxide Semiconductor) type image sensor, or the like is used.
- the image sensor 6 is assembled to the attachment member 8, and the attachment member 8 is assembled to the main body A 10 together with the image sensor 6.
- 7 is a flexible printed circuit board that is connected to the image sensor 6 and connected to other circuits in the camera.
- Continued. 9 is a shirt unit which is fixed to the main barrel A10 in the same manner as the third lens group frame 3k.
- the second lens group 2 and the fourth lens group 4 are moved by a set amount from the position in the illustrated wide state toward the third lens group 3 for zooming. Further, the fourth lens group 4 is focused by further moving the positional force moved by zooming.
- FIG. 4 is a schematic diagram showing a moving mechanism of the second lens group 2 and the fourth lens group 4. The figure shows a state in which the second lens group 2 and the fourth lens group 4 are in the wide position.
- the same functional members are given the same reference numerals in order to avoid duplication of explanation.
- the guide penetrates through the sleeve 2s formed integrally with the second lens group frame 2k and the sleeve 4s formed integrally with the fourth lens group frame 4k.
- Shaft 15 is fitted.
- the guide shaft 16 engages with a rotation locking portion 2m formed integrally with the second lens group frame 2k and a rotation locking portion 4m formed integrally with the fourth lens group frame 4k.
- the second lens group frame 2k and the fourth lens group frame 4k are slidable along the guide shafts 15 and 16 in the direction of the optical axis OB.
- the sleeve 2s is formed to extend to the side of the prism 12 as shown in FIG. By doing so, the sleeve 2 s can secure a sufficient amount of fitting while maintaining the entire length of the lens mirror, and the second lens group frame 2k, that is, the second lens group 2 can be secured. It becomes possible to move more smoothly.
- the guide shafts 15 and 16 also fit through the shirter unit 9 and the third lens group lens frame 3k. In this way, the second lens group 2, the third lens group 3, and the fourth lens group 4 can be positioned in the direction orthogonal to the optical axis by a pair of guide shafts. This prevents the second lens group 2 and the fourth lens group 4 from being localized in a shifted state.
- the second lens group frame 2k has a projection 2t formed on the sleeve 2s
- the fourth lens group frame 4k has a projection 4t formed on the sleeve 4s.
- the projections 2t and 4t The urging member is urged in a direction away from each other by a compression coil panel 18. 17 is a shaft for preventing the buckling of the compression coil spring 18, and is disposed through the protrusions 2t and 4t. Yes.
- Reference numeral 20 denotes a first motor
- 21 denotes a second motor, both of which are stepping motors.
- the first motor 20 has a lead screw 20r
- the second motor 21 has a lead screw 21r.
- a screw member (also referred to as a nut) 22 that is screwed to the lead screw 20r in the entire rotation direction is screwed.
- a threaded member (also referred to as a nut) 24 is threadedly engaged with the lead screw 21r.
- the nuts 22 and 24 are engaged with a rotation stopper (not shown) and are configured to be movable in the direction of the optical axis OB by the rotation of the lead screw.
- the nut 22 is in contact with a protrusion 2t formed integrally with the second lens group lens frame 2k as shown in the figure, and the second lens group lens frame 2k is resisted against the urging force of the compression coil panel 18.
- the position of the second lens group frame 2k in the optical axis OB direction is determined.
- the nut 24 abuts against a protrusion 4t formed integrally with the fourth lens group lens frame 4k as shown in the figure, and resists the urging force of the compression coil panel 18 so that the fourth lens group lens frame 18 Decide the position of the 4th lens group frame 4k in the optical axis OB direction by stopping 4k!
- the nut 22 is moved in the direction of the optical axis OB by the rotation of the lead screw 20r of the first motor 20, and the second lens group frame 2k is stopped at a desired position in the direction of the optical axis OB. be able to.
- the rotation of the lead screw 21r of the second motor 21 moves the nut 24 in the direction of the optical axis OB, so that the fourth lens group frame 4k can be stopped at a desired position in the direction of the optical axis OB. . That is, by controlling the direction and amount of rotation of the first motor 20 and the second motor 21, the second lens group 2 and the fourth lens group 4 are moved independently to perform zooming, and further, the second motor 21 is used to move the fourth lens group 4 for focusing.
- the nut 24 of the second motor 21 moves between a wide position indicated by a solid line and a tele position indicated by a broken line to perform zooming, and moves slightly before and after that position to perform focusing. Do.
- the figure shows that the positions of the first motor 20 and the second motor 21 are moved to the outside of the mirror and the force is shown and fixed to the main moon A10.
- a position sensor for detecting the presence of the second lens group 2 and a position sensor for detecting the presence of the fourth lens group 4 are arranged.
- a photo sensor An interrupter is used.
- the shielding parts formed on the second lens group lens frame 2k and the fourth lens group lens frame 4k respectively shield between the light projecting and receiving systems of the respective position sensors. It is used to determine whether or not the light emitting / receiving system is not shielded. Shielding force
- the rotation direction and amount of rotation of the two stepping motors are controlled based on the switching position to the non-shielding state. Position control is started! /
- the nut 22 of the first motor 20 is configured so as to perform lens barrier opening / closing control, which will be described later. Hereinafter, the movement of the nut 22 will be described.
- the nut 22 of the first motor 20 is set so as to be movable to a position exceeding the moving range of the second lens group 2.
- zooming it moves between the wide position indicated by the solid line and the tele position indicated by the broken line (range Y to Z in the figure), and can move to the position indicated by the alternate long and short dash line (range ⁇ to ⁇ ⁇ in the figure) that exceeds this range. It has become.
- the second lens group frame 2k comes into contact with the stopper 10s and stops.
- the movement of the nut 22 in the range of X to Y shown in the figure allows the lens barrier opening / closing operation described later to be performed.
- FIG. 5 is a schematic diagram showing an example of a lens barrier opening / closing mechanism of the lens barrel according to the present invention.
- FIG. 4A shows the opened state of the lens barrier 60
- FIG. 4B shows the closed state of the lens barrier 60.
- the lens barrier 60 is urged in the opening direction by the lens A62, and rotates about the support shaft 61 to form the main cylinder A10.
- the pin A63 is in contact with the pin A63, and is stopped with the opening 51 exposed.
- Reference numeral 64 denotes a lens barrier driving member.
- the contact portion 64t formed on the lens barrier driving member 64 is engaged with the pin B65 formed on the lens noria 60. Yes.
- the pin C66 formed on the lens barrier driving member 64 is engaged with the nut 22 that is screwed to the lead screw 20r of the first motor 20 at the positions of Y to X in the drawing, and the nut 22 has a heel position force of X. By moving to the position, the lens barrier driving member 64 can be moved to the right in the figure from the state shown in the figure.
- the lens barrier 60 is rotated against the urging force of the panel A62.
- the lens barrier 60 is in a closed state covering the opening.
- the lens barrier 60 is closed. The closed state is maintained.
- the lens motor 60 is rotated by the urging force of the panel A62 by driving the first motor 20 and moving the nut 22 from the X position to the Y position.
- the first motor 20 is driven from the state shown in FIG.
- the lens barrier 60 is moved from the position to the Y position to bring the lens barrier 60 into the open state shown in FIG. ) To zoom from the wide state (see Fig. 4).
- the main switch is turned OFF so as to be in the non-operating state
- the nut 22 is moved to the Y position to return to the idling state, and further the nut 22 is moved from the Y position to the X position.
- the lens barrier 60 is rotated in the closing direction against the urging force of the panel A62, and the nut 22 is stopped at the X position.
- the nut screwed to the lead screw is moved, and the lens group is moved according to this to perform zooming.
- the nut is moved to a position beyond the moving range of the lens group.
- the drive direction of each part can be made parallel to the optical axis after bending.
- the lens barrel can be configured to be thin, and the lens barrier can be opened and closed and zoomed without the addition of a new actuator, resulting in a low-cost and easy-to-operate camera with a lens barrel. It becomes possible.
- the lens group frame and the nut are disengaged, so that even when subjected to an impact such as a drop, the impact is not transmitted to the nut, the lead screw and the motor. It is possible to obtain a camera that can prevent damage to the camera.
- the nut 24 is moved to a position beyond the moving range of the fourth lens group 4 when the camera is not operating. It is desirable to make it move. In this way, similarly, when an impact such as a drop is received, the impact is not transmitted to the nut 24, the lead screw 21r, and the motor 21, and the damage can be prevented.
- FIG. 6 is a schematic diagram showing another example of the lens barrier opening / closing mechanism according to the present invention.
- FIG. 4A shows the lens barrier 60 in the open state
- FIG. 4B shows the lens barrier 60 in the closed state.
- the difference between the lens barrier opening / closing mechanism shown in FIG. 5 and the lens barrier opening / closing mechanism shown in FIG. 5 is that the lens barrier driving member 64 and the lens barrier 60 are not directly engaged, but via the panel B67. Only the parts different from FIG. 5 will be described.
- the panel B67 shown in the figure is a tension coil panel, which is so formed that the so-called panel constant is high and has a small amount of elongation, and has a larger urging force than the panel A62.
- the lens barrier 60 and the lens barrier driving member 64 are set to have a free length and no urging force is applied. Therefore, the lens barrier 60 is opened by the urging force of the panel A 62.
- the nut 22 is moved to the position X in the figure and the lens barrier driving member 64 is in the state shown in FIG.
- the panel B67 is extended, and the urging force of the panel B67 is larger than the urging force of the panel A62.
- the lens barrier 60 is closed.
- the lens barrier 60 is stopped in a closed state by a pin D68 formed on the main cylinder A.
- the lens barrel of the present invention can be applied not only to a normal digital camera but also to a camera unit built in a mobile phone or the like, and the camera referred to in the present invention is built into a mobile terminal or the like.
- the camera module is also included. It is also applicable to a camera with a lens barrel arranged in the horizontal direction. Needless to say, it is possible.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Studio Devices (AREA)
- Blocking Light For Cameras (AREA)
- Lens Barrels (AREA)
- Camera Bodies And Camera Details Or Accessories (AREA)
- Structure And Mechanism Of Cameras (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2006537663A JPWO2006035580A1 (ja) | 2004-09-27 | 2005-09-08 | レンズ鏡胴、および該レンズ鏡胴を備えた撮像装置、カメラ、携帯機器 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004-279045 | 2004-09-27 | ||
JP2004279045 | 2004-09-27 |
Publications (1)
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WO2006035580A1 true WO2006035580A1 (ja) | 2006-04-06 |
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PCT/JP2005/016519 WO2006035580A1 (ja) | 2004-09-27 | 2005-09-08 | レンズ鏡胴、および該レンズ鏡胴を備えた撮像装置、カメラ、携帯機器 |
Country Status (3)
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JP (1) | JPWO2006035580A1 (ja) |
CN (1) | CN101027603A (ja) |
WO (1) | WO2006035580A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009229953A (ja) * | 2008-03-25 | 2009-10-08 | Nidec Copal Corp | レンズバリヤ装置 |
US7710668B2 (en) | 2007-10-31 | 2010-05-04 | Sony Corporation | Lens barrel and imaging apparatus |
JP2011033697A (ja) * | 2009-07-30 | 2011-02-17 | Victor Co Of Japan Ltd | 直動装置及びレンズ駆動装置 |
CN112600360A (zh) * | 2020-12-14 | 2021-04-02 | 基合半导体(宁波)有限公司 | 对焦马达、对焦马达的闭环控制方法及摄像设备 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102493579B1 (ko) | 2018-01-08 | 2023-01-31 | 삼성전자주식회사 | 카메라를 포함하는 전자 장치 및 전자 장치의 제어 방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6326832U (ja) * | 1986-08-04 | 1988-02-22 | ||
US5489958A (en) * | 1992-02-25 | 1996-02-06 | Olympus Optical Co., Ltd. | Lens barrel |
US5978602A (en) * | 1996-08-12 | 1999-11-02 | Olympus Optical Co., Inc. | Photographic lens unit and photographing method |
JP2004246116A (ja) * | 2003-02-14 | 2004-09-02 | Matsushita Electric Ind Co Ltd | 撮影装置 |
-
2005
- 2005-09-08 WO PCT/JP2005/016519 patent/WO2006035580A1/ja active Application Filing
- 2005-09-08 JP JP2006537663A patent/JPWO2006035580A1/ja active Pending
- 2005-09-08 CN CNA200580032087XA patent/CN101027603A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6326832U (ja) * | 1986-08-04 | 1988-02-22 | ||
US5489958A (en) * | 1992-02-25 | 1996-02-06 | Olympus Optical Co., Ltd. | Lens barrel |
US5978602A (en) * | 1996-08-12 | 1999-11-02 | Olympus Optical Co., Inc. | Photographic lens unit and photographing method |
JP2004246116A (ja) * | 2003-02-14 | 2004-09-02 | Matsushita Electric Ind Co Ltd | 撮影装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7710668B2 (en) | 2007-10-31 | 2010-05-04 | Sony Corporation | Lens barrel and imaging apparatus |
JP2009229953A (ja) * | 2008-03-25 | 2009-10-08 | Nidec Copal Corp | レンズバリヤ装置 |
JP2011033697A (ja) * | 2009-07-30 | 2011-02-17 | Victor Co Of Japan Ltd | 直動装置及びレンズ駆動装置 |
CN112600360A (zh) * | 2020-12-14 | 2021-04-02 | 基合半导体(宁波)有限公司 | 对焦马达、对焦马达的闭环控制方法及摄像设备 |
Also Published As
Publication number | Publication date |
---|---|
CN101027603A (zh) | 2007-08-29 |
JPWO2006035580A1 (ja) | 2008-05-15 |
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