公开(公告)号：US11860443B2

公开(公告)日：2024-01-02

申请号：US17383955

申请日：2021-07-23

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang Hu ,  Chih-Wei Weng ,  Shu-Shan Chen ,  Chao-Hsi Wang

IPC: G02B7/09 ,  G02B13/00 ,  G02B27/64 ,  G02B7/08 ,  G03B5/02 ,  G02B7/02

CPC classification number: G02B7/09 ,  G02B7/023 ,  G02B7/025 ,  G02B7/026 ,  G02B7/08 ,  G02B13/0065 ,  G02B27/646 ,  G03B5/02 ,  G03B2205/0053

Abstract: An optical system is provided. The optical system includes a fixed portion and a movable portion. The movable portion is movable relative to the fixed portion and includes: a first movable portion and a second movable portion. The first movable portion is configured to connect a first optical element. The second movable portion is configured to connect a second optical element and is movable relative to the first movable portion. The movable portion also includes a third optical element disposed corresponding to the first optical element and the second optical element. Light passes through the first optical element, the second optical element and the third optical element.

公开(公告)号：US11835683B2

公开(公告)日：2023-12-05

申请号：US17552422

申请日：2021-12-16

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang Hu ,  Pai-Jui Cheng ,  Shu-Shan Chen

IPC: G02B13/00 ,  G02B26/08 ,  G02B7/09 ,  G02B27/64 ,  G02B26/00 ,  G02B7/04 ,  G06F3/01 ,  H10N30/80 ,  H10N30/00

CPC classification number: G02B13/0015 ,  G02B7/04 ,  G02B7/09 ,  G02B26/00 ,  G02B26/0875 ,  G02B27/64 ,  G02B27/646 ,  G06F3/016 ,  H10N30/1071 ,  H10N30/802

Abstract: A tactile feedback mechanism is provided, including a movable part, a fixed part, and a driving assembly. The movable part includes a first weight element. The movable part is movable relative to the fixed part. The driving assembly is used for driving the movable part to move relative to the fixed part. The first weight element is made of a metal material.

公开(公告)号：US11829001B2

公开(公告)日：2023-11-28

申请号：US17155964

申请日：2021-01-22

Applicant: TDK TAIWAN CORP.

Inventor： Chan-Jung Hsu ,  I-Mei Huang ,  Yi-Ho Chen ,  Shao-Chung Chang ,  Ichitai Moto ,  Chen-Chi Kuo ,  Ying-Jen Wang ,  Ya-Hsiu Wu ,  Wei-Jhe Shen ,  Chao-Chang Hu ,  Che-Wei Chang ,  Sin-Jhong Song ,  Shu-Shan Chen ,  Chih-Wei Weng ,  Chao-Hsi Wang

IPC: G02B7/09 ,  G02B27/64

CPC classification number: G02B7/09 ,  G02B27/646

Abstract: An optical system is provided. The optical system includes an immovable part, a second movable part, a second drive mechanism, and a second circuit mechanism. The second movable part is used for connecting to a second optical element. The second movable part is movable relative to the immovable part. The second drive mechanism is used for driving the second movable part to move relative to the immovable part. The second circuit mechanism is electrically connected to the second drive mechanism.

公开(公告)号：US11520160B2

公开(公告)日：2022-12-06

申请号：US16848004

申请日：2020-04-14

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang Hu ,  Shu-Shan Chen ,  Chen-Hsien Fan ,  Liang-Ting Ho

IPC: G02B26/08 ,  G02B27/64 ,  G02B7/09 ,  H02K41/035

Abstract: An optical module is provided. The optical module includes a first optical element driving mechanism. The first optical element driving mechanism includes a first movable portion, a first fixed portion, and a first driving assembly. The first movable portion connects an optical path adjustment element. The optical path adjustment element is configured to change a transmission direction of incident light to a first direction that is different from the transmission direction. The first fixed potion is polygonal when viewed in the transmission direction. The first movable portion is movable relative to the first fixed portion. The first driving assembly drives the first movable portion to move relative to the first fixed portion. The first driving assembly comprises a shape memory alloy. The first driving assembly is located on a first side of the first fixed portion when viewed in the transmission direction.

公开(公告)号：US11500065B2

公开(公告)日：2022-11-15

申请号：US17122785

申请日：2020-12-15

Applicant: TDK TAIWAN CORP.

Inventor： Shu-Shan Chen ,  Chao-Chang Hu ,  Chih-Wei Weng ,  Sin-Jhong Song

IPC: G01S7/481 ,  G01S17/48 ,  G01S17/89 ,  H04N13/15 ,  H04N9/04 ,  H04N13/156 ,  G01B11/25 ,  G01S17/86

Abstract: A distance measuring device for measuring the distance to an object is provided, including a light-emitting module, a driving assembly disposed in the light-emitting module, and a light-receiving module. The light-emitting module has a housing, a light source disposed in the housing, a light grating element, and an optical path adjuster. The light source emits a measuring light through the optical path adjuster and the light grating element. The driving assembly can drive the optical path adjuster or the light grating element to move relative to the housing. The light-receiving module receives the measuring light which is reflected by the object to obtain distance information of the object.

公开(公告)号：US11424374B2

公开(公告)日：2022-08-23

申请号：US16742401

申请日：2020-01-14

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang Hu ,  Chih-Wei Weng ,  Shu-Shan Chen ,  Yung-Hsien Yeh ,  Sin-Jhong Song

IPC: H04N5/225 ,  H01L31/0232 ,  H01L31/113 ,  H01L31/0236 ,  H01L31/02 ,  H01L27/146 ,  H01L31/0224 ,  H01L31/024 ,  G03B5/00 ,  G03B5/02 ,  G03B5/04 ,  G02B7/182 ,  H02K11/21 ,  G02B7/09 ,  G02B27/64 ,  G03B13/36 ,  H02K41/035 ,  G02B7/00 ,  H01L23/00 ,  G02B13/00

Abstract: A camera module optical system is provided, having a main axis, including an optical module and an adjustment assembly. The optical module is configured to hold an optical element having an optical axis. The adjustment assembly is configured to adjust the optical axis of the optical module parallel to the main axis. The optical module and the adjustment assembly are arranged along the main axis, wherein the adjustment assembly does not overlap the optical module when viewed in a first direction that is perpendicular to the main axis.

公开(公告)号：US11294172B2

公开(公告)日：2022-04-05

申请号：US15841550

申请日：2017-12-14

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang Hu ,  Shu-Shan Chen ,  Cheng-Kai Yu

IPC: G02B27/00 ,  G02B27/64 ,  G01D5/12 ,  G01B7/30 ,  G02B7/08 ,  G01B7/00 ,  G01D5/14

Abstract: An optical element driving mechanism includes a fixed module, a movable module, an optical element, a first sensing magnet, and a first sensing element. The movable module is movably connected to the fixed module. The optical element is disposed on the movable module. The first sensing magnet is disposed corresponding to the optical element, and has a polar direction. The first sensing element is disposed corresponding to the first sensing magnet for sensing displacement of the first sensing magnet relative to the fixed module in a first direction, wherein the first direction is perpendicular to the polar direction.

公开(公告)号：US11159080B2

公开(公告)日：2021-10-26

申请号：US16049277

申请日：2018-07-30

Applicant: TDK TAIWAN CORP.

Inventor： Cheng-Kai Yu ,  Liang-Ting Ho ,  Shu-Shan Chen ,  Chao-Chang Hu

IPC: H02K41/035 ,  H02K11/22 ,  H02K11/215 ,  G03B5/04 ,  G03B13/36 ,  H02K11/01

Abstract: An electromagnetic driving module is provided, including a first member, a second member movably connected to the first member, an electromagnetic driving assembly, and a film. The electromagnetic driving assembly includes a magnet and a coil respectively disposed on the first and second members, so as to move the second member relative to the first member. The film is disposed on a side of the magnet to reduce magnetic interference between the magnet and a magnetic element, wherein the magnetic permeability of the film is higher than the magnetic permeability of the first member.

公开(公告)号：US10938291B2

公开(公告)日：2021-03-02

申请号：US16049382

申请日：2018-07-30

Applicant: TDK TAIWAN CORP.

Inventor： Cheng-Kai Yu ,  Liang-Ting Ho ,  Shu-Shan Chen ,  Chao-Chang Hu

IPC: H02K41/035 ,  H02K11/215 ,  G02B13/00 ,  G03B13/34 ,  G02B7/04

Abstract: An electromagnetic driving mechanism is provided, including a first member, a second member movably connected to the first member, an electromagnetic driving assembly, and a film. The electromagnetic driving assembly includes a magnet and a coil respectively disposed on the first and second members, so as to move the second member relative to the first member. The film is formed on the second member and has positive magnetic susceptibility.

公开(公告)号：US10686993B2

公开(公告)日：2020-06-16

申请号：US16158763

申请日：2018-10-12

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang Hu ,  Shun-Chieh Tang ,  Shu-Shan Chen ,  Chih-Wei Weng ,  Shao-Kuang Huang

IPC: H04N5/232 ,  G03B5/00 ,  G02B7/02 ,  G02B7/08

Abstract: A correction method for an optical mechanism having an optical member and a fixed portion is provided, including: an external apparatus measures the angle between the optical axis of the optical member and a reference surface of the fixed portion; the result of measuring the angle between the optical axis and the reference surface is compiled into data; the data is input into a control module; the control module transmits a signal to a driving module according to the data; and the driving module drives the optical member to rotate or move relative to the fixed portion upon receiving the signal. The optical mechanism does not include a sensor to detect the angle between the optical axis and the reference surface.