公开(公告)号：US11914170B2

公开(公告)日：2024-02-27

申请号：US17022519

申请日：2020-09-16

Applicant: Samsung Electro-Mechanics Co., Ltd.

Inventor： Yo Sub Moon

IPC: G01B7/14 ,  G01B7/30 ,  G01R33/06 ,  H01L43/06 ,  G02B27/64 ,  G01D5/14 ,  G01R33/00 ,  G01D11/24 ,  G01R33/07

CPC classification number: G02B27/646 ,  G01D5/142 ,  G01D5/145 ,  G01D5/147 ,  G01D11/245 ,  G01R33/0041 ,  G01R33/0082 ,  G01R33/07 ,  G01R33/072 ,  G01R33/077 ,  G03B2205/0007 ,  G03B2217/005

Abstract: An apparatus for providing a bias current to a hall sensor includes: a bias provider configured to provide the bias current to the hall sensor; and a processor configured to produce a bias current control value based on a node voltage between the hall sensor and the bias provider, wherein the bias provider is configured to vary the bias current based on the bias current control value.

公开(公告)号：US11892657B2

公开(公告)日：2024-02-06

申请号：US17224840

申请日：2021-04-07

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang Hu ,  Cheng-Kai Yu

IPC: G02B7/09 ,  G02B27/64 ,  G03B13/36 ,  G03B3/10 ,  G02B7/08 ,  G02B7/10 ,  G03B5/00

CPC classification number: G02B27/646 ,  G02B7/08 ,  G02B7/09 ,  G02B7/10 ,  G03B3/10 ,  G03B5/00 ,  G03B13/36 ,  G03B2205/0007 ,  G03B2205/0069 ,  G03B2217/005

Abstract: An optical system is provided and includes a fixed module, a movable module, a driving coil, a sensing unit and a driving assembly. The fixed module includes an outer frame, and the movable module includes an optical member holder, configured to hold an optical member. The sensing unit is configured to obtain information related to a first rotation angle of the holder when rotating around a first axis relative to the outer frame and a second rotation angle of the optical member holder when rotating around a second axis relative to the outer frame. The driving assembly is for driving the optical member holder to rotate around the first axis or the second axis according to the information related to the first rotation angle and the second rotation angle. The first axis or the second axis is perpendicular to an optical axis of the optical member.

公开(公告)号：US11650392B2

公开(公告)日：2023-05-16

申请号：US16931331

申请日：2020-07-16

Applicant: LARGAN DIGITAL CO., LTD.

Inventor： Heng Yi Su ,  Ming-Ta Chou ,  Te-Sheng Tseng

IPC: G02B7/08 ,  G02B27/64 ,  G03B5/00 ,  H04N5/232

CPC classification number: G02B7/08 ,  G02B27/646 ,  G03B5/00 ,  H04N5/23258 ,  G03B2205/0015 ,  G03B2205/0069 ,  G03B2217/005

Abstract: An imaging camera driving module includes a lens unit, a driving mechanism, a sensing mechanism and an image surface. At least a part of the driving mechanism is coupled to the lens unit to drive the lens unit to move in a direction parallel to the optical axis. The sensing mechanism includes sensing magnets fixed to the lens unit and sensing elements not facing the driving mechanism. The sensing elements are disposed on an image side of the imaging lens assembly of the lens unit and corresponding to the sensing magnets. The sensing elements are configured to detect a relative position of the sensing magnets. The image surface is disposed on the image side of the imaging lens assembly, and the optical axis passes through the image surface. The sensing mechanism is configured to detect a tilt of the optical axis with respect to the central axis.

公开(公告)号：US20180343393A1

公开(公告)日：2018-11-29

申请号：US15989821

申请日：2018-05-25

Applicant: ROHM CO., LTD.

Inventor： Jun MAEDE ,  Akihito SAITO ,  Hiromichi TANIMUKAI ,  Yoshihiro SEKIMOTO

IPC: H04N5/232 ,  G03B5/04

CPC classification number: H04N5/23287 ,  G03B5/02 ,  G03B5/04 ,  G03B2205/0015 ,  G03B2205/0053 ,  G03B2217/005 ,  H04N5/23254 ,  H04N5/23258

Abstract: An imaging device includes: imaging lens displaceable in first and second directions in plane perpendicular to optical axis; actuator positioning the imaging lens in the first and second directions; position detector generating first and second position detection signals Hx and Hy, Hx including crosstalk component caused by displacing the imaging lens in the second direction, and Hy including crosstalk component caused by displacing the imaging lens in the first direction; crosstalk compensator correcting Hx and Hy to reduce crosstalk components included in Hx and Hy; and driver controlling the actuator based on corrected first and second position detection signals Hx′ and Hy′, wherein when ratio of Hy to Hx while driving the imaging lens in the first direction is α and ratio of Hx to Hy while driving the imaging lens in the second direction is β, the crosstalk compensator reduces crosstalk components included in Hx and Hy.

公开(公告)号：US20170309002A1

公开(公告)日：2017-10-26

申请号：US15491668

申请日：2017-04-19

Applicant: OLYMPUS CORPORATION

Inventor： Kento KOYANO

IPC: G06T5/00 ,  H04N5/232 ,  H04N5/225 ,  G03B17/14 ,  G02B27/64 ,  G02B7/14 ,  G02B7/09

CPC classification number: G06T5/006 ,  G02B7/09 ,  G02B7/14 ,  G02B27/646 ,  G03B17/14 ,  G03B2205/0015 ,  G03B2217/005 ,  H04N5/217 ,  H04N5/2252 ,  H04N5/2254 ,  H04N5/23254 ,  H04N5/23287

Abstract: According to one embodiment, camera system includes interchangeable lens and camera body. Camera body includes image sensor; reception circuit configured to acquire, first lens information including distortion correction information for correcting distortion of image pickup optical system, and function indicating correlation between shape of distortion on image plane, which corresponds to driving amount of vibration reduction optical system, and shape of distortion on image plane, which corresponds to displacement amount between optical axis and image center of photographed image; and processer configured to calculate converted displacement amount by using function, and to execute distortion correction, based on distortion correction information and converted displacement amount.

公开(公告)号：US20170285365A1

公开(公告)日：2017-10-05

申请号：US15629158

申请日：2017-06-21

Applicant: FUJIFILM Corporation

Inventor： Tetsu WADA

IPC: G02B27/64 ,  H04N5/232 ,  G06T5/00

CPC classification number: G02B27/646 ,  G03B5/00 ,  G03B2205/0007 ,  G03B2205/0015 ,  G03B2217/005 ,  G06T5/002 ,  G06T5/003 ,  H04N5/23248 ,  H04N5/23258 ,  H04N5/23287

Abstract: An imaging apparatus includes: a detection unit that detects accelerations in directions of three orthogonal axes; a generation unit that, in a case in which a difference between the magnitude of a resultant vector of the accelerations in the directions of the three orthogonal axes and the magnitude of the acceleration of gravity is equal to or less than a predetermined threshold value, generates a reference vector using the resultant vector; and a correction unit that corrects an image blur caused by translational shakes in directions of two orthogonal axes perpendicular to at least an optical axis of an imaging optical system, using the reference vector, on the basis of the accelerations in the directions of the three orthogonal axes.

公开(公告)号：US09742955B2

公开(公告)日：2017-08-22

申请号：US13551488

申请日：2012-07-17

Applicant: Manabu Yamazoe

Inventor： Manabu Yamazoe

IPC: H04N1/21 ,  H04N5/14

CPC classification number: H04N1/212 ,  G03B2217/005 ,  G06T2207/30168 ,  H04N5/145

Abstract: An image processing apparatus is capable of appropriately extracting a frame of an output target from a moving image. The image processing apparatus includes an analysis unit configured to analyze a plurality of analysis regions in each of a plurality of frames included in the moving image, an extraction unit configured to extract the frame of the output target from among the plurality of frames by comparing analysis results of the plurality of analysis regions in each of the plurality of frames analyzed by the analysis unit for each analysis regions corresponding to each other between the plurality of frames, and an output unit configured to output the frame of the output target extracted by the extraction unit.

公开(公告)号：US20170234972A1

公开(公告)日：2017-08-17

申请号：US15443323

申请日：2017-02-27

Applicant: NIKON VISION CO., LTD.

Inventor： Takao TAKIZAWA

IPC: G01S7/481 ,  G02B27/64 ,  G01S17/10

CPC classification number: G01S7/4816 ,  G01C3/06 ,  G01S7/497 ,  G01S17/10 ,  G02B7/32 ,  G02B17/045 ,  G02B27/30 ,  G02B27/646 ,  G03B13/20 ,  G03B2205/0007 ,  G03B2217/005 ,  H04N5/23258 ,  H04N5/23287

Abstract: A distance detection device is provided, including a calculating unit that calculates a distance to a detection target using a length of time until floodlighted light is received by a light-receiving unit; a first detecting unit that detects whether detection target changing operation is being performed; a second detecting unit that detects variation in the distance calculated by the calculating unit; a shake correcting optical system that is driven based on a shake detection result and through which the floodlighted light passes; and a control unit that controls driving of the shake correcting optical system using an output from the first detecting unit and an output from the second detecting unit.

公开(公告)号：US09715124B2

公开(公告)日：2017-07-25

申请号：US14017262

申请日：2013-09-03

Applicant: CANON KABUSHIKI KAISHA

Inventor： Jun Sumioka

IPC: G02B27/64 ,  H04N5/232 ,  H02N2/00 ,  G03B5/00 ,  H02P25/032

CPC classification number: G02B27/646 ,  G03B5/00 ,  G03B2205/0015 ,  G03B2205/0061 ,  G03B2205/0069 ,  G03B2217/005 ,  H02N2/0015 ,  H02N2/0075 ,  H02N2/0095 ,  H02P25/032 ,  H04N5/23258 ,  H04N5/23287

Abstract: A control device includes: a controller that outputs control, signals pertaining to at least two directions, respectively, based on predetermined gains in a normal operation mode, and outputs control signals based on gains set with respect to the two directions, respectively, in a learning operation mode; a controlled amount calculating unit that receives the control signals and outputs signals pertaining to drive parameters with respect to at least two motors, respectively, wherein the controlled amount calculating unit includes: a characteristic difference calculating unit that calculates characteristic differences between at least the two motors based on the control signals; and a gain compensator that corrects controlled amount pertaining to drive parameters of at least the two motors according to the calculated characteristic differences of at least the two motors, and outputs the signals.

公开(公告)号：US20170078577A1

公开(公告)日：2017-03-16

申请号：US15264072

申请日：2016-09-13

Applicant: CANON KABUSHIKI KAISHA

Inventor： Nobushige Wakamatsu

IPC: H04N5/232

CPC classification number: H04N5/23287 ,  G03B2217/005 ,  H04N5/23216 ,  H04N5/23258 ,  H04N5/23267 ,  H04N5/23274

Abstract: A tilt correction apparatus includes a manipulation unit configured to designate a level of an effect of first tilt correction of an imaging apparatus having an optical axis as a rotary axis and a level of an effect of second tilt correction of the imaging apparatus having an axis orthogonal to the optical axis as a rotary axis, an electronic correction unit configured to execute at least one of the first tilt correction and the second tilt correction by moving an image clipping range set within an imaging screen, and a calculation unit configured to vary a ratio of a first tilt-correctable range and a ratio of a second tilt-correctable range from the electronic correction unit according to the level of the effect of the first tilt correction and the level of the effect of the second tilt correction.

Abstract translation: 倾斜校正装置包括：操作单元，被配置为指定具有光轴的成像装置的第一倾斜校正的影响水平作为旋转轴，以及具有轴正交的成像装置的第二倾斜校正的效果水平 作为旋转轴的光轴，电子校正单元，被配置为通过移动在成像屏幕内设置的图像限幅范围来执行第一倾斜校正和第二倾斜校正中的至少一个，以及计算单元，被配置为改变比率 根据第一倾斜校正的效果的水平和第二倾斜校正的影响的水平，第一可倾斜校正范围和来自电子校正单元的第二可倾斜校正范围的比率。