Image Stabilization Patents (Class 359/554)
  • Patent number: 10495897
    Abstract: A lens driving mechanism is provided, including a bottom plate, a housing, a movable portion, and a biasing assembly. The housing is connected to and disposed on the bottom plate. The movable portion is disposed in the housing and movably connected to the bottom plate, wherein the biasing assembly is configured to force the movable portion to move relative to the bottom plate. The movable portion has a frame, a holder, and a first leaf spring. The holder is configured to hold an optical lens and is movably connected to the frame via the first leaf spring. The first leaf spring is disposed on a bottom surface of the frame, wherein the bottom surface of the frame faces the bottom plate.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: December 3, 2019
    Assignee: TDK TAIWAN CORP.
    Inventors: Chen-Chi Kuo, Chao-Chang Hu, Sin-Jhong Song
  • Patent number: 10444531
    Abstract: A lens drive device includes a movable portion, a fixed portion, and four suspension wires. The movable portion has a lens holder holding a lens and a magnet arranged at a position that does not overlap with the lens when viewed from a light axis direction. The fixed portion has a coil and a position sensor arranged to oppose against the magnet in the light axis direction and a circuit board having multiple wirings. The wires are arranged around the lens at approximately equal intervals in the light axis direction. The sensor and the coil are arranged to overlap with four sides of a four-sided polygon formed by connecting four wire connection positions where the wires are connected with the fixed portion. The sensor is arranged between the wire connection position closest to the sensor and the coil closest thereto.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: October 15, 2019
    Assignee: TDK CORPORATION
    Inventor: Shusuke Ichihashi
  • Patent number: 10389941
    Abstract: An optical unit with a shake correction function may include a swing body which holds an optical element; a swing support mechanism structured to swingably support the swing body between a reference posture, where an axial line previously set and an optical axis are coincided with each other, and a tilted posture, where the optical axis is tilted with respect to the axial line; and a support body which supports the swing body through the swing support mechanism; and a weight which is used so that a swing center of the swing body and a gravity center of the swing body are coincided with each other in a direction of the axial line. The swing body may include a fixed region to which the weight is fixed. A fixed position of the weight may be changeable in the fixed region in a direction of the optical axis.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: August 20, 2019
    Assignee: NIDEC SANKYO CORPORATION
    Inventors: Shinji Minamisawa, Takeshi Sue
  • Patent number: 10379422
    Abstract: A position detecting apparatus includes: a fixed member in which a magnet is disposed, a movable member including a movable barrel in which a coil and an optical element are disposed, the movable barrel being driven in a direction perpendicular to a direction along an optical axis of the optical element with respect to the fixed member by a VCM driving section, and a magnetism detecting member disposed in the movable member, the magnetism detecting member detecting a change in a magnetic flux density of the magnet at a time when the movable member is driven. The magnetism detecting member is disposed, in a plane perpendicular to a direction along the optical axis, in a position where a magnetic flux density of the coil does not affect the change in the magnetic flux density due to the magnet when an electric current is fed to the coil.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: August 13, 2019
    Assignee: OLYMPUS CORPORATION
    Inventor: Shuhei Endo
  • Patent number: 10365469
    Abstract: A telescope made up of mutually connectable modules, which telescope comprises at least a lens module and an eyepiece module, and the lens module and eyepiece module each have a connection interface for connecting the modules, wherein an eyepiece and a zoom unit for changing the image magnification and a unit for reversing the image are integrated in the eyepiece module.
    Type: Grant
    Filed: December 23, 2011
    Date of Patent: July 30, 2019
    Assignee: Swarovski-Optik KG.
    Inventors: Andreas Zimmermann, Franz Erler
  • Patent number: 10324307
    Abstract: According to an embodiment of the present disclosure, an image capturing optical system includes a first lens group having a positive refractive power and disposed along an optical axis and to face an object. A second lens group has a negative refractive power and disposed along the optical axis and adjacent to the first lens group, and second lens group includes a focus correction lens to correct a difference in a focused position according to a variation in a position of the object. A third lens group has a positive refractive power and disposed along the optical axis. A subsequent lens group adjacent the third lens group and disposed along the optical axis and to face an image of the object, and the lens group subsequent to the second lens group includes a camera shake correction lens to move in a direction perpendicular to the optical axis.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: June 18, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Dong-Woo Kim
  • Patent number: 10300600
    Abstract: A robot control system includes an operation control unit, a learning control processing unit and a storage unit. Whenever the operation control unit performs a single learning control, the learning control processing unit stores the number of learning controls, which indicates how many learning controls have been performed, and obtained time-series vibration data in correspondence with each other in the storage unit. The learning control processing unit calculates a convergence determination value to determine whether or not a vibration of a certain portion of a robot converges based on the time-series vibration data at each number of learning controls stored in the storage unit, and determines the number of learning controls having a minimum convergence determination value, out of the calculated convergence determination values, as the optimal number of learning controls.
    Type: Grant
    Filed: January 2, 2018
    Date of Patent: May 28, 2019
    Assignee: FANUC CORPORATION
    Inventors: Nobuaki Yamaoka, Hajime Suzuki, Kaimeng Wang
  • Patent number: 10268026
    Abstract: Provided is an optical system having, in order from an Object, a first lens group (G1) having negative refractive power and a second lens group (G2), wherein the first lens group (G1) includes, in order from the object, a first negative lens (L11) and a second negative lens (L12) having a concave surface facing the object, and the following conditional expression (1) is satisfied: 7.94?(?fn12)/f<48.00??(1) where fn12 denotes a focal length of the second negative lens (L12), and f denotes a focal length of the entire optical system.
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: April 23, 2019
    Assignee: Nikon Corporation
    Inventor: Atsushi Suzuki
  • Patent number: 10247954
    Abstract: A stage apparatus includes a movable member configured to move in a direction parallel to a predetermined plane, a base member configured to support the movable member to move relative to the base member, and a thrust generator including: a magnet provided on one of the movable member and the base member, and a coil provided on the other of the movable member and the base member. The magnet and the coil generating a thrust to move the movable member in a direction parallel to the predetermined plane. A magnetic flux density of the magnet toward the coil changes along the thrust direction.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: April 2, 2019
    Assignee: RICOH IMAGING COMPANY, LTD.
    Inventor: Eiichi Ito
  • Patent number: 10248027
    Abstract: A projection system (PS1) for a lithographic apparatus comprises: an optical path (100); a plurality of sensors (S1-S4); one or more actuators (A1-A4); and a controller (CN). The optical path is operable to receive an input radiation beam (Bin) and to project an output radiation beam (Bout) onto a substrate to form an image. The optical path comprises: a plurality of optical elements (M1-M4), the plurality of optical elements comprising: a first set of at least two optical elements (M1, M4) and a second set of at least one optical element (M2, M3). Each sensor is associated with one of the plurality of optical elements and is operable to determine a position of that optical element. Each actuator is associated with one of the second set of optical elements and is operable to adjust that optical element.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: April 2, 2019
    Assignee: ASML Netherlands B.V.
    Inventors: Hans Butler, Raoul Maarten Simon Knops, Bob Streefkerk, Christiaan Louis Valentin, Jan Bernard Plechelmus Van Schoot, Wilhelmus Franciscus Johannes Simons, Leon Leonardus Franciscus Merkx, Robertus Johannes Marinus De Jongh, Roel Johannes Elisabeth Merry, Michael Frederik Ypma
  • Patent number: 10241349
    Abstract: An image stabilization apparatus includes a first optical element configured to move in a direction different from an optical axis, a first driver including a first magnet magnetized in a first magnetized direction and a first coil and configured to drive the first optical element by an electromagnetic action, a second optical element configured to move in a direction different from the optical axis, and a second driver including a second magnet magnetized in a second magnetized direction and a second coil and configured to drive the second optical element by an electromagnetic action. The first magnet is disposed outside a second area onto which the second magnet is projected in the second magnetized direction and the second magnet is disposed outside a first area onto which the first magnet is projected in the first magnetized direction.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: March 26, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Mitsuhiro Izumi, Youji Ochi, Kohei Uemura, Kaori Miyoshi
  • Patent number: 10185156
    Abstract: An optical unit with a shake correction function may include a movable body which may include an optical module and a holder for holding the optical module, and a gimbal mechanism which swingably supports the movable body with respect to a fixed body. The gimbal mechanism may include a movable frame which is a gimbal spring. The movable frame may include a supporting point part and a connecting part including a meandering part. The meandering part has a cross-sectional shape in which on the assumption that a direction perpendicular to first and second axial lines is a first direction and a direction perpendicular to the first direction and a meandering path of the meandering part is a second direction, a thickness in the second direction is larger than a thickness in the first direction of each plate-shaped spring which structures the movable frame.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: January 22, 2019
    Assignee: NIDEC SANKYO CORPORATION
    Inventors: Shinji Minamisawa, Takeshi Sue
  • Patent number: 10151934
    Abstract: A technique enabling accurate positioning of a flexible printed circuit board and a magnetic sensor to an image blur correction device. A lens holding section holds a correction lens in a manner movable in a first direction and a second direction orthogonal to the first direction. A Hall element is mounted on the flexible printed circuit board to detect change in magnetic field of a magnet provided in the lens holding section. A Hall element-holding section holds the Hall element. An area of the flexible printed circuit board where the Hall element is mounted is locked to the Hall element-holding section in a manner movable in the first direction in a state restricted in movement in the second direction. The Hall element is movable relative to the Hall element-holding section in the second direction, in a state restricted in movement in the first direction.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: December 11, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventor: Junichiro Iwamatsu
  • Patent number: 10133023
    Abstract: The lens driver having a lens frame; a movable member supports the lens frame so as to be able to move in the direction of the optical axis; a base member supporting the movable member through contact so as to enable movement in the directions perpendicular to the optical axis; elastic members with one end connected to the movable member and the other end connected to the base member, for pressing the movable member against the base member side elastically; a first driving portion for driving the lens frame in the direction of the optical axis; and second driving portions for driving the lens frame in directions that are perpendicular to the optical axis, wherein: power is supplied to the first driving portion, which is provided on the movable member side, through the elastic members from an interconnecting circuit that is provided on the base member.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: November 20, 2018
    Assignee: Nidec Copal Corporation
    Inventor: Longji Bai
  • Patent number: 10101594
    Abstract: Disclosed is an optical image stabilization (OIS) structure that prevents camera shake occurring in a smartphone camera, and a camera module having the same. The OIS structure includes: a base housing provided with an OIS coil; a lens housing disposed over the base housing to be apart therefrom; and an OIS leaf spring for allowing the base housing and the lens housing to be elastically coupled to each other.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: October 16, 2018
    Assignees: ACTRO CO., LTD., ENEBRAIN CO., LTD.
    Inventor: Jong-cheol Kim
  • Patent number: 10082676
    Abstract: A first correction signal creation unit splits an angular velocity signal of an ultra low-low frequency band from an angular velocity signal of an X-axis angular velocity sensor and outputs a first correction signal amplified based on signal output characteristics of the angular velocity sensor. A second correction signal creation unit splits an angular velocity signal of a low-high frequency band from the angular velocity signal and outputs a second correction signal amplified based on the signal output characteristics of the angular velocity sensor. An addition computation unit creates a composite correction signal in which the first correction signal and the second correction signal are composed, and a drive computation unit creates a drive signal based on the composite correction signal. A driver drives the X-axis actuator based on the drive signal, displaces the correction optical element, and corrects shake of an image.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: September 25, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Shigeyuki Takano, Masaki Arai, Naoki Yamaguchi, Hiromitsu Kaburagi
  • Patent number: 10067357
    Abstract: A camera lens suspension assembly includes a support member including a support metal base layer, a moving member including a moving metal base layer, bearings and smart memory alloy wires. The support member includes a bearing plate portion, static wire attach structures, and mount regions. A printed circuit on the support metal base layer includes traces extending to each static wire attach structure. The moving member includes a moving plate portion, elongated flexure arms extending from a periphery of the moving plate portion and including mount regions on ends opposite the moving plate portion, and moving wire attach structures. The bearings are between and engage the bearing plate portion of the support member and the moving plate portion of the moving member. Each of the smart memory alloy wires is attached to and extends one of the static wire attach structures and one of the moving wire attach structures.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: September 4, 2018
    Assignee: Hutchinson Technology Incorporated
    Inventors: Peter F. Ladwig, Mark A. Miller, Richard R. Jenneke
  • Patent number: 10048508
    Abstract: An optical unit may include a movable body holding an optical module by a holder, a fixed body having a body part surrounding the movable body, a support mechanism swingably supporting the movable body, and a shake correction drive mechanism that swings the movable body. The holder includes a plurality of wall parts on an outer periphery of the optical module, and the wall part holds a part of the shake correction drive mechanism, and the support mechanism includes a movable frame surrounding the optical module and a plurality of swing support parts supporting the movable frame. The movable frame includes supporting point parts contacting the swing support parts, and connecting parts connecting supporting point parts adjacent to each other. The supporting point parts are located on an outer periphery of wall parts, and the connecting parts are disposed so as to pass on inner sides of the wall parts.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: August 14, 2018
    Assignee: NIDEC SANKYO CORPORATION
    Inventors: Takeshi Sue, Shinji Minamisawa
  • Patent number: 10036870
    Abstract: A lens actuator includes a housing; a movable unit received in the housing and including: a carrier, a focusing coil disposed in the carrier, four magnets disposed to face the focusing coil in four directions perpendicular to the optical axis direction, a holder fixing the magnets; four shake correction coils each disposed opposite to one magnet and fixed on the housing; a first elastic element including a pair of spring plates arranged centrally symmetrical, each spring plate including a first spring part connecting the carrier to the holder, a second spring part connecting the holder to the housing and a third spring part connected between the first and second spring parts.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: July 31, 2018
    Assignee: AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD.
    Inventors: Sul Hyun Hee, Yang Dea Yue, Kim Young Jin
  • Patent number: 10036896
    Abstract: A lens driving device is disclosed. The lens driving device includes a housing including a base, and a cover body forming a receiving space together with the base; a lens barrel assembled inside the housing and moveable along an optical axis of the lens barrel; an anti-shake carrier assembled inside the housing for suspending the lens barrel along the optical axis; an anti-shake spring having one end thereof fixed to the housing, and another end fixed on the anti-shake carrier; a plurality of bearing steel balls provided between the base and the anti-shake carrier for reducing friction force when the anti-shake carrier moves perpendicular to the optical axis; wherein the anti-shake carrier depends on elastic force of the anti-shake spring when it moves perpendicular to the optical axis, and the anti-shake carrier will return to an initial position.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: July 31, 2018
    Assignee: AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD.
    Inventors: Sul Hyun Hee, Yang Dea Yue, Kim Young Jin
  • Patent number: 10025075
    Abstract: A zoom lens includes positive first, negative second, positive third units, and rear group. An interval between first and second units is larger and that between second and third units is smaller at telephoto end (TE) than at wide angle end. Second unit or a negative sub-unit corresponding to a part of second unit serves as first image stabilizing (IS) unit moving during image blur correction in a direction having a component in a direction perpendicular to optical axis. A negative sub-unit corresponding to a part of third unit or a negative unit included in rear group serves as second IS unit. A distance from a surface closest to object side of first IS unit to image plane at TE, a distance from a surface closest to object side of second IS unit to image plane at TE, and focal length of the zoom lens at TE are appropriately set.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: July 17, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventor: Yuichi Gyoda
  • Patent number: 9952450
    Abstract: A chromatic-difference-free wide-angle camera for a head-mounted device, comprising a casing, a biconvex plus lens (1), and a biconcave minus lens (2). The biconvex plus lens (1) and the biconcave minus lens (2) are arranged in parallel in the casing and the biconcave minus lens (2) is closer to an object space. The biconvex plus lens (1) comprises a first surface (3) that is convex toward the object space, and a second surface (4) that has a flat edge and a center position that is convex toward an image space. The biconcave minus lens (2) comprises a third surface (5) that is concave toward the object space, and a fourth surface (6) that has a flat edge and a center position that is concave toward the image space. The biconcave minus lens (2) can move along an axis of the casing to adjust a distance to the biconvex plus lens (1), and compensate for a defocus in a zooming manner.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: April 24, 2018
    Assignee: Qingdao GoerTek Technology Co., Ltd.
    Inventors: Yuanpeng Wang, Chun Yang
  • Patent number: 9936134
    Abstract: The purpose of the present invention is to provide an actuator which can realize a further reduction in height. Provided is an actuator which performs shake correction by tilting a driven member using the drive force of a voice coil motor, wherein a support part tiltably supports a movable body with respect to a fixed body in which one from between a magnet part and a coil part is disposed on a base member, the movable body being configured so that the other from between the magnet part and the coil part is disposed on a frame-shaped retaining member on which the driven member is mounted. The retaining member has steps, and these steps enable a mounting site of the driven member to be closer to the base member than the disposition site of the one from between the coil part and the magnet part.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: April 3, 2018
    Assignee: MITSUMI ELECTRIC CO., LTD.
    Inventor: Yohei Enta
  • Patent number: 9900514
    Abstract: A lens apparatus (101) includes an image capturing optical system including a correction unit (103) configured to move in image stabilization, and a driver (113) configured to rotationally drive the correction unit based on a rotational center position that varies depending on an object distance, and a predetermined conditional expression is satisfied.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: February 20, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Shuichi Mogi
  • Patent number: 9897802
    Abstract: An image pickup unit integrally includes an optical lowpass filter, a piezoelectric element, and an image pickup element. The optical lowpass filter is separated into a plurality of grouped optical members in an imaging light axis direction. The optical lowpass filter includes first to third grouped optical members. To remove a foreign substance, such as dust or dirt, deposited on the surface of the first grouped optical member, the piezoelectric element vibrates the first grouped optical member. The first grouped optical member has a monocrystalline structure having a Q value indicating the sharpness of resonance higher than that of glass, which is an amorphous material, and a low attenuation characteristic so as to efficiently vibrate the first grouped optical member.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: February 20, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hiroaki Inukai
  • Patent number: 9891444
    Abstract: An optical unit may include an optical module; a fixed body including a body part surrounding the optical module; a gimbal mechanism swingably supporting the optical module around a first axial line and a second axial line intersecting the optical axis direction and the first axial line; a shake correction drive mechanism including a coil and a magnet between a side face of the optical module and a side face of the body part; and a plate-shaped spring which is connected with the optical module and the fixed body to determine posture of the optical module when the shake correction drive mechanism is set in a stopped state. When viewed in a direction perpendicular to the optical axis direction, the gimbal mechanism and the plate-shaped spring may be provided at positions overlapping with the shake correction drive mechanism.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: February 13, 2018
    Assignee: NIDEC SANKYO CORPORATION
    Inventor: Shinji Minamisawa
  • Patent number: 9874764
    Abstract: A zoom lens, in sequence from an object side to an image side along an optical axis, comprises a first lens group; a second lens group; a stop; and a rear lens group and comprising a third lens group, a fourth lens group, and a fifth lens group; the fourth lens group further comprises an image correction lens which is able to shifted in a direction transverse to the optical axis of the zoom lens to stabilize the picked-up image when the zoom lens vibrates; furthermore, the zoom lens satisfies the following condition: (1??p)×?r>2, where ?p is a lateral magnification of the image correction lens when the zoom lens is at the telephoto end, and where ?r is a lateral magnification of the lenses in the rear lens group except for the lenses in front of the image correction lens when the zoom lens is at the telephoto end.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: January 23, 2018
    Assignees: SINTAI OPTICAL (SHENZHEN) CO., LTD., ASIA OPTICAL INTERNATIONAL LTD.
    Inventor: Ming-Chung Chen
  • Patent number: 9848108
    Abstract: An image shake correction device, comprising: an image correction unit configured to correct image shake by moving with respect to an optical axis; and a locking ring provided rotatably about the optical axis. In this configuration, the image correction unit comprises at least one locked projection formed to protrude in an optical axis direction, the locking ring comprises at least one locking projection formed to protrude in the optical axis direction, and at a predetermined rotational position of the locking ring, the at least one locking projection contacts the at least one locked projection and thereby locks the image correction unit.
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: December 19, 2017
    Assignee: RICOH IMAGING COMPANY, LTD.
    Inventor: Shoji Nakamura
  • Patent number: 9841608
    Abstract: An inner focus lens includes sequentially from an object side, a first lens group having a positive refractive power; a second lens group having a negative refractive power; and a third lens group having a negative refractive power. The second lens group is moved along an optical axis, whereby focusing from a focus state for an object at infinity to a focus state for a minimum object distance is performed. A lens group configured by a lens other than a lens that is disposed farthest on the object side is moved in a direction orthogonal to the optical axis to shift an image. The inner focus lens satisfies a conditional expression (1) 0.15?(1??p)×?r?4.50, where ?p is transverse magnification of the orthogonally moved lens group and ?r is composite transverse magnification of a lens group disposed farther on an image side than the orthogonally moved lens group.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: December 12, 2017
    Assignee: TAMRON CO., LTD.
    Inventor: Takahiko Sakai
  • Patent number: 9823488
    Abstract: A four-group or five-group zoom lens consists of, in order from the object side, a positive first group being fixed during magnification change, a negative second group being moved during magnification change, one or two middle groups including a positive mp lens group being moved during magnification change, and a positive rearmost group being fixed during magnification change. Zooming is effected by changing all distances between the adjacent groups. The rearmost group consists of, in order from the object side, a positive front group, a negative middle group, and a positive rear group. Air spaces between the front and middle groups, and between the middle and rear groups are constant during zooming and focusing. The front group includes at least two positive lenses and at least one negative lens. Image stabilization is effected by shifting the middle group perpendicularly to the optical axis. The zoom lens satisfies given condition expressions.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: November 21, 2017
    Assignee: FUJIFILM Corporation
    Inventor: Daiki Kawamura
  • Patent number: 9798158
    Abstract: An optical apparatus that is capable of improving impact resistance thereof. A holding member holding the optical element is movably attached to a first member so that the optical element is movable between an entering position where the optical element enters into an optical path and a retracted position where the optical element is retracted from the optical path. The first member is movably attached to a second member. A driving member engages with the holding member and drives the holding member. A regulation member regulates a moving amount of the first member with respect to the second member. The regulation member is arranged so that a distance from an engagement position of the holding member and the driving member at the entering position to the regulation member is longer than a distance from the engagement position at the retracted position to the regulation member.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: October 24, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Shuichi Terada
  • Patent number: 9785038
    Abstract: A tilt-type anti-shake compensation structure for auto-focus module includes an auto-focus module having a lens assembly held thereto and driving the latter to move forward and rearward in a light entering path, i.e. in z-axis direction, so as to focus a captured image; an outer frame enclosing the auto-focus module therein, and having an elastic supporting member provided therein to connect to and between upper ends of the outer frame and the auto-focus module; and a compensation driving unit arranged behind the auto-focus module for driving the auto-focus module to tilt leftward and rightward on x-axis, or forward and rearward on y-axis, within the outer frame, so as to compensate any image deviation due to shake caused by hands. The anti-shake structure is simple and can quickly compensate shake caused by hands.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: October 10, 2017
    Assignee: TDK Taiwan Corporation
    Inventors: Fu-Yuan Wu, Chao-Chang Hu, Yi-Liang Chan
  • Patent number: 9753300
    Abstract: An SMA actuation apparatus (1) comprises a support structure (4) on which a movable element (2) is supported. Four SMA actuator wires (11-14) are connected at their ends to one of the support structure (4) and the movable element (2) and being hooked over a respective connector (7) connected to the other. Pairs of the SMA actuator wires (11-14), on contraction, to drive movement of the movable element (2) relative to the support structure (4), through the respective connectors (7), in opposite directions in said plane (XY), that are orthogonal as between the pairs. Each connector (7) is compliant laterally to the direction in which the respective SMA actuator wire (11-14) drives movement of the movable element (2) relative to support structure (4).
    Type: Grant
    Filed: February 18, 2013
    Date of Patent: September 5, 2017
    Assignee: CAMBRIDGE MECHATRONICS LIMITED
    Inventor: James Howarth
  • Patent number: 9739988
    Abstract: A zoom lens including, in order from an object side: a positive first lens unit that does not move for zooming; a negative second lens unit that moves during the zooming; a negative third lens unit that moves along a locus convex to the object side during the zooming; an aperture stop; and a positive fourth lens unit that does not move for the zooming. The third lens unit includes a cemented lens formed by cementing a single negative lens and a single positive lens and a single negative lens. A focal length (fn1) of the single negative lens included in the cemented lens, a focal length (fp) of the single positive lens included in the cemented lens, and a lateral magnification (?3w) of the third lens unit at a wide angle end are each appropriately set.
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: August 22, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Masaru Sakamoto
  • Patent number: 9726869
    Abstract: Comprising, in order from an object side: a first lens group G1 having positive refractive power; a second lens group G2 having negative refractive power; a third lens group G3 having positive refractive power; and a fourth lens group G4 having positive refractive power; upon zooming from a wide-angle end state to a telephoto end state, the first lens group G1 being fixed in the position in the direction of the optical axis, at least the second lens group G2 and the third lens group G3 being moved in the direction of the optical axis such that a distance between the first lens group G1 and the second lens group G2 is increased and a distance between the second lens group G2 and the third lens group G3 is decreased; and a predetermined conditional expression being satisfied, thereby providing a variable magnification optical system which can suppress variations in aberrations upon zooming and having excellent optical performance from a wide angle end state to a telephoto end state, an optical apparatus, and a
    Type: Grant
    Filed: February 8, 2015
    Date of Patent: August 8, 2017
    Assignee: Nikon Corporation
    Inventors: Satoshi Yamaguchi, Issei Tanaka
  • Patent number: 9715126
    Abstract: An image blur correction device includes: a lens unit that has at least one lens and is rotatable at least in a first direction, which is an axial rotation direction of a first fulcrum axis orthogonal to an optical axis of the lens, and a second direction which is an axial rotation direction of a second fulcrum axis orthogonal to the first fulcrum axis; a fixing member that rotatably supports the lens unit in the first and second directions; a first actuator that has a first driving portion movable in a predetermined direction so as to rotate the lens unit in the first direction; and a second actuator that has a second driving portion movable in a predetermined direction so as to rotate the lens unit in the second direction.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: July 25, 2017
    Assignee: SONY CORPORATION
    Inventor: Tatsuyuki Nakayama
  • Patent number: 9706124
    Abstract: There is provided a stabilizer for an optical device that forms part of an electronic device and an electronic device including the stabilizer. The stabilizer includes two first actuators, each of which includes a first coil assembly and a first block of ferromagnetic material, each of the two first coil assemblies being configured to generate, in response to a first electrical signal applied thereto, a first attraction force toward a respective first block of ferromagnetic material, the first blocks of ferromagnetic material being attached to a socket for the optical device; and a rotating device configured to rotate the socket around an optical axis of the optical device in response to the first attraction force. The image stabilization solution according to the present invention is both applicable to AF camera modules and to fix focus camera modules.
    Type: Grant
    Filed: June 10, 2014
    Date of Patent: July 11, 2017
    Assignee: Nokia Technologies Oy
    Inventors: Yiping You, Rongli Fan, Depeng Shan, Lei Yang
  • Patent number: 9690113
    Abstract: An optical apparatus includes an image pickup optical system, a base member, a holder holding an optical element, and a moving member including a magnetic member and configured to move in a plane perpendicular to an optical axis. The moving member moves in a predetermined straight line between the optical axis and a center of the magnetic member in a surface perpendicular to a center of the optical element. The base member includes a first restricting portion restricting moving amounts of the moving member in one direction of the predetermined straight line, and a second restricting portion restricting moving amounts of the moving member in other direction of the predetermined straight line. The first restricting portion and the second restricting portion are arranged so that the magnetic member is sandwiched between the first restricting portion and the second restricting portion.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: June 27, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventor: Takashi Miyazaki
  • Patent number: 9678305
    Abstract: An inner focus lens includes sequentially from an object side, a first lens group having a positive refractive power; a second lens group having a negative refractive power; and a third lens group having a negative refractive power. The second lens group is moved along the optical axis, whereby focusing from a focus state for an object at infinity to a focus state for a minimum object distance is performed. The inner focus lens satisfies a conditional expression (1) ?29.0?f3/f??5.4, where f3 is a focal length of the third lens group at the focus state for an object at infinity and f is a focal length of the optical system overall at the focus state for an object at infinity.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: June 13, 2017
    Assignee: TAMRON CO., LTD.
    Inventor: Takahiko Sakai
  • Patent number: 9658429
    Abstract: A focus adjustment device comprises an image sensor having imaging pixels and focus detection pixels, which subjects light flux that is passed through a photographing lens to photoelectric conversion and outputs an image signal, a first memory which stores information relating to incident angle range of light flux that is incident towards the image sensor, a second memory which stores information relating to characteristics of the image sensor, and a calculation section which calculates information for focus adjustment based on output of the first memory and output of the second memory.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: May 23, 2017
    Assignee: Olympus Corporation
    Inventors: Kazumi Ito, Keigo Matsuo, Satoru Ito
  • Patent number: 9656439
    Abstract: A component assembly includes a first component, such as an optical component, and a second component, such as a support component, having different coefficients of thermal expansion (CTEs). The component assembly also includes a spacer having a CTE matched to that of the first component, disposed between the first component and the second component. When the CTE of the first component is greater than that of the second component, the second component includes a protrusion, and the spacer includes a complementary opening for receiving the protrusion, such that a joint between the protrusion and the complementary opening is under compressive stress. The spacer also includes a mounting area for receiving the first component, and an air gap disposed between the first component and the protrusion.
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: May 23, 2017
    Assignee: Lumentum Operations LLC
    Inventor: Abdul Jaleel K. Moidu
  • Patent number: 9625697
    Abstract: An optical system for imaging an object includes a objective, an image stabilizing unit, an image plane and a drive unit, which is arranged at the image stabilizing unit and provided for moving the image stabilizing unit. The optical system includes a control unit. A signal from the control unit is forwarded to a first high-pass filter. The control unit has an output line and the high-pass filter has a filter output line. Both the output line and the filter output line are arranged at an addition unit such that an actuation signal from the control unit and an output signal from the high-pass filter are added to produce an addition signal. The addition unit is arranged at the drive unit in such a way that the addition signal is used for actuating the drive unit and for moving the image stabilizing unit.
    Type: Grant
    Filed: January 8, 2014
    Date of Patent: April 18, 2017
    Assignee: Carl Zeiss Sports Optics GmbH
    Inventor: Christian Bach
  • Patent number: 9599836
    Abstract: A compact electromagnetic actuator for driving a lens includes a lens holder used to hold a lens or a lens assembly which defines an optical axis, an image stabilization (IS) actuator provided at one end of the lens holder for producing a linear motion in a plane perpendicular to the optical axis, and an autofocus (AF) actuator provided at an opposite end of the lens holder for producing a linear motion along the optical axis. An AF connection mechanism can be used to connect the autofocus actuator to the lens holder. An IS connection mechanism can be used to connect the image stabilization actuator to the lens holder.
    Type: Grant
    Filed: January 18, 2014
    Date of Patent: March 21, 2017
    Assignee: SUNMING TECHNOLOGIES (HK) LIMITED
    Inventor: Sio Kuan Lam
  • Patent number: 9599837
    Abstract: An image blur correction device includes: a lens unit that has at least one lens and is rotatable at least in a first direction, which is an axial rotation direction of a first fulcrum axis orthogonal to an optical axis of the lens, and a second direction which is an axial rotation direction of a second fulcrum axis orthogonal to the first fulcrum axis; a fixing member that rotatably supports the lens unit in the first and second directions; a first actuator that has a first driving portion so as to rotate the lens unit in the first direction; and a second actuator that has a second driving portion so as to rotate the lens unit in the second direction.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: March 21, 2017
    Assignee: SONY CORPORATION
    Inventor: Tatsuyuki Nakayama
  • Patent number: 9596409
    Abstract: An imaging module (100) includes a lens unit (11) that includes a lens group, and an imaging element unit (13) that is fixed to the lens unit and includes an imaging element. The lens unit (11) includes: a focus drive unit; first and second image blur-correction drive units; a first connecting portion (37A) that is electrically connected to the imaging element unit; a first wiring portion that electrically connects the focus drive unit, the first image blur-correction drive unit, and the second image blur-correction drive unit to the first connecting portion; a second wiring portion that is electrically connected to only a part of a plurality of wires of the first wiring portion; and a plurality of second connecting portions (59) that are electrically connected to the second wiring portion.
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: March 14, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Motokazu Shimizu, Yukihiro Kaneko, Yoshiyuki Takase, Tatsuya Fujinami, Manabu Tobise
  • Patent number: 9575331
    Abstract: A lens driving device is based on a Voice Coil Actuator (VCA) structure and provides the auto-focusing and optical image stabilization (OIS) functions. These two functions can be realized by a common magnet scheme, or a separate magnet scheme. Also, the present invention provides an improved structure for the lens driving device to enhance the function of OIS thereof. By arranging a magnetic enhancement device below the OIS coils in the lens driving device, the magnetic driving force of the OIS coils and magnetic induction of the Hall sensors, if present, can be enhanced, and the magnetic sensitivity thereof may be also improved.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: February 21, 2017
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Fu-Yuan Wu, Shih-Ting Huang, Jyun-Jie Lin, Yi-Ho Chen
  • Patent number: 9575293
    Abstract: A photographic lens and a photographic apparatus including the same are provided. The photographic lens includes a first lens including a convex surface toward an object side and having a positive refractive power, a second lens including a concave surface toward an image side and having a negative refractive power, a third lens having a positive refractive power or a negative refractive power, a fourth lens having a positive refractive power or a negative refractive power, a fifth lens including a convex surface toward the image side and having a positive refractive power, and a sixth lens including a concave aspherical shape with respect to an optical axis toward the image side and having a negative refractive power. The first to sixth lenses may be sequentially arranged from the object side to the image side.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: February 21, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae-youn Lee, Yong-wook Kim
  • Patent number: 9547161
    Abstract: A single focal length lens system includes a front lens unit and a rear lens unit, and does not include any other lens unit. The front lens unit includes a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, and a third lens unit having a negative refractive power. Each of the first lens unit and the second lens unit includes a positive lens and a negative lens, and the first lens unit and the second lens unit do not move all the time. An aperture stop is disposed on the image side of the second lens unit. Any one of the lens units positioned on the image side of the second lens unit is a focusing lens unit, and the following conditional expression (1) is satisfied: 0.06<|fG3/f|<0.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: January 17, 2017
    Assignee: Olympus Corporation
    Inventors: Takashi Fujikura, Kazuteru Kawamura
  • Patent number: 9549474
    Abstract: A method and apparatus for disassembling a set top box is disclosed. The method includes providing the set top box including: a top cover, a base, and cover retention clips, wherein the cover retention clips are V or U shaped for securing the top cover to the base, providing a release fixture including a retention clip release finger, inserting the release fixture into the set top box, disengaging the cover retention clips using the retention clip release finger, and removing the top cover from the base.
    Type: Grant
    Filed: May 21, 2013
    Date of Patent: January 17, 2017
    Assignee: THOMSON LICENSING
    Inventors: Ying Jie Hu, Kian Choy Kiew, Wen Xin Huang
  • Patent number: RE47204
    Abstract: A zoom lens includes, in order from the object side, a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, and a third lens unit having a positive refractive power. The first lens unit includes a negative lens and a positive lens. The zoom lens satisfies the following conditional expression (1): ?d13/ft<0.4??(1) where ?d13 is the total sum of the thickness of the lenses included in the first to third lens units of the zoom lens on the optical axis, and ft is the focal length of the entire zoom lens system at the telephoto end.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: January 15, 2019
    Assignee: OLYMPUS CORPORATION
    Inventors: Minoru Ueda, Masahito Watanabe, Masahiro Imamura, Mayu Miki