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公开(公告)号:US11947180B2
公开(公告)日:2024-04-02
申请号:US17134024
申请日:2020-12-24
Applicant: TDK TAIWAN CORP.
Inventor: Chao-Chang Hu , Chen-Hsien Fan , Yueh-Lin Lee , Yu-Chiao Lo
Abstract: An optical system is provided. The optical system includes a first movable portion, a fixed portion, a first driving assembly, and a first sensing assembly. The first movable portion is used for connecting to an optical assembly having a main axis. The first movable portion is movable relative to the fixed portion. The first driving assembly is used for driving the first movable portion to move relative to the fixed portion. The first sensing assembly is used for sensing the movement of the first movable portion relative to the fixed portion.
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公开(公告)号:US11852886B2
公开(公告)日:2023-12-26
申请号:US17855174
申请日:2022-06-30
Applicant: TDK TAIWAN CORP.
Inventor: Chao-Chang Hu , Kuen-Wang Tsai , Liang-Ting Ho , Chao-Hsi Wang , Chih-Wei Weng , He-Ling Chang , Che-Wei Chang , Sheng-Zong Chen , Ko-Lun Chao , Min-Hsiu Tsai , Shu-Shan Chen , Jungsuck Ryoo , Mao-Kuo Hsu , Guan-Yu Su
CPC classification number: G02B7/003 , G02B7/023 , G02B7/1805
Abstract: An optical element driving mechanism includes a movable assembly, a fixed assembly, and a driving assembly. The movable assembly is configured to be connected to an optical element. The movable assembly is movable relative to the fixed assembly. The driving assembly is configured to drive the movable assembly to move relative to the fixed assembly in a range of motion. The optical element driving mechanism further includes a positioning assembly configured to position the movable assembly at a predetermined position relative to the fixed assembly when the driving assembly is not operating.
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公开(公告)号:US11796894B2
公开(公告)日:2023-10-24
申请号:US17714705
申请日:2022-04-06
Applicant: TDK TAIWAN CORP.
Inventor: Cheng-Kai Yu , Chen-Hsien Fan , Chao-Chang Hu , Shu-Shan Chen , Chih-Wei Weng
Abstract: An optical element driving mechanism includes a movable portion, a fixed portion and a driving assembly. The movable portion is configured to connect an optical element having an optical axis. The fixed portion includes a base with a plate structure, wherein the movable portion is movable relative to the fixed portion. The driving assembly is configured to drive the movable portion to move relative to the base. A thickness direction of the base is perpendicular to the optical axis, the base has a recessed structure, and when viewed from the thickness direction of the base, the recessed structure is overlapped with the optical axis.
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公开(公告)号:US11740538B2
公开(公告)日:2023-08-29
申请号:US17484572
申请日:2021-09-24
Applicant: TDK TAIWAN CORP.
Inventor: Cheng-Kai Yu , Chen-Hsien Fan , Chao-Chang Hu , Shu-Shan Chen , Chih-Wei Weng
Abstract: A lens driving module includes a base, a frame fixedly connected to the base, and a holder configured to connect an optical lens. The holder is movable relative to the base. The lens driving module also includes a reflecting element configured to reflect light from a light incident direction to a first direction. The first direction is perpendicular to the light incident direction, and the first direction is parallel to an optical axis of the optical lens. The lens driving module further includes a first electromagnetic driving assembly configured to force the holder to move along the first direction relative to the base. The lens driving module has multiple recesses formed on the base and arranged along the first direction. The lens driving module includes multiple the rolling elements disposed on the recesses, and the holder is moved relative to the base via the rolling elements.
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公开(公告)号:US11693296B2
公开(公告)日:2023-07-04
申请号:US16898786
申请日:2020-06-11
Applicant: TDK TAIWAN CORP.
Inventor: Chao-Hsi Wang , Chao-Chang Hu , Chih-Wei Weng , He-Ling Chang
IPC: G02B27/64 , G02B7/08 , G03B5/00 , H02K33/18 , G03B13/36 , G02B7/09 , G02B7/04 , H02K41/035 , G01P15/02 , G03B5/02 , H04N23/50 , H04N23/51 , H04N23/54 , H04N23/55 , H04N23/57
CPC classification number: G03B13/36 , G01P15/02 , G02B7/04 , G02B7/08 , G02B7/09 , G02B27/646 , G03B5/00 , G03B5/02 , H02K33/18 , H02K41/0354 , H02K41/0356 , H04N23/50 , H04N23/51 , H04N23/54 , H04N23/55 , H04N23/57 , G03B2205/0007 , G03B2205/0069 , G03B2205/0076
Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed part, a movable part, a driving assembly, and a positioning assembly. The movable part is movably disposed on the fixed part. The movable part is connected to an optical element. At least a portion of the driving assembly is disposed on the fixed part. The positioning assembly is disposed on the fixed part or the movable part to limit the movable part at an extreme position relative to the fixed part.
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公开(公告)号:US11693293B2
公开(公告)日:2023-07-04
申请号:US17501245
申请日:2021-10-14
Applicant: TDK TAIWAN CORP.
Inventor: Chao-Hsi Wang , Chao-Chang Hu , Che-Wei Chang , Chih-Wei Weng
Abstract: The present disclosure provides an optical system, including a first optical mechanism. The first optical mechanism includes a first movable part, a fixed assembly, a first driving assembly and a guiding assembly. The first movable part includes an optical element. The first movable part is movable relative to the fixed assembly. The first driving assembly is configured to drive the first movable part to move relative to the fixed assembly. The guiding assembly is configured to guide the first movable part to move relative to the fixed assembly. A friction force is generated between the first movable part and the guiding assembly, and the first movable part is temporarily positioned on the fixed assembly through the friction force.
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公开(公告)号:US11681156B2
公开(公告)日:2023-06-20
申请号:US17088101
申请日:2020-11-03
Applicant: TDK TAIWAN CORP.
Inventor: Chao-Chang Hu , Sung-Mao Tsai
CPC classification number: G02B27/646 , G02B7/18 , G02B13/0065
Abstract: An optical element driving mechanism is provided, including a fixed part, a movable part, a first driving assembly and a first supporting assembly. The movable part is connected to an optical element, and is movable relative to the fixed part. The first driving assembly drives the movable part to move relative to the fixed part. The movable part is movable relative to the fixed part within a first limit range in a first dimension via the first supporting assembly.
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公开(公告)号:US11665411B2
公开(公告)日:2023-05-30
申请号:US16845432
申请日:2020-04-10
Applicant: TDK TAIWAN CORP.
Inventor: Chao-Chang Hu , Shu-Shan Chen , Chen-Hsien Fan , Yueh-Lin Lee , Yu-Chiao Lo , Sung-Mao Tsai , Shang-Hung Chen
IPC: H04N23/51 , G02B7/00 , G03B5/04 , G02B7/04 , G02B27/64 , H02K11/21 , G02B7/09 , G02B7/02 , G03B3/10 , G03B13/36 , H04N23/55 , H04N23/57 , H04N23/60 , G02B26/02 , G02B7/08 , G03B5/02 , H02N2/04
CPC classification number: H04N23/51 , G02B7/005 , G02B7/026 , G02B7/04 , G02B7/08 , G02B7/09 , G02B26/02 , G02B27/646 , G03B3/10 , G03B5/02 , G03B5/04 , G03B13/36 , H02K11/21 , H02N2/043 , H04N23/55 , H04N23/57 , H04N23/60 , G03B2205/0015 , G03B2205/0053 , G03B2205/0061 , G03B2205/0069
Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, a driving assembly, and a stopping assembly. The movable portion is used for connecting to an optical element having a main axis. The movable portion is movable relative to the fixed portion. The driving assembly is disposed on the fixed portion or the movable portion to move the movable portion relative to the fixed portion. The stopping assembly connects to the movable portion and the fixed portion to limit the range of motion of the movable portion relative to the fixed portion.
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公开(公告)号:US11650482B2
公开(公告)日:2023-05-16
申请号:US17400809
申请日:2021-08-12
Applicant: TDK TAIWAN CORP.
Inventor: Chao-Hsi Wang , Shu-Shan Chen , Chao-Chang Hu , Chih-Wei Weng
IPC: G02B27/64 , G03B3/10 , G03B5/02 , H04N5/232 , G02B7/04 , G02B27/00 , G02B27/01 , G02C7/08 , G02C7/10
CPC classification number: G03B5/02 , G02B7/04 , G02B27/0093 , G02B27/0172 , G02B27/646 , G02C7/088 , G02C7/10 , G03B3/10 , H04N5/23248 , G02B2027/014 , G02B2027/0178 , G03B2205/0046 , G03B2205/0061
Abstract: An optical system is provided, including a first optical module, a second optical module, and a light-quantity adjustment module. The first optical module, the second optical module, and the light-quantity adjustment module are arranged in a direction of an optical axis. The first optical module and the second optical module are movable in the direction of the optical axis.
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公开(公告)号:US11627241B2
公开(公告)日:2023-04-11
申请号:US17114025
申请日:2020-12-07
Applicant: TDK TAIWAN CORP.
Inventor: Chao-Chang Hu , Chen-Hsien Fan
Abstract: An optical mechanism is provided for receiving a light that is reflected by a reflecting element. The optical mechanism includes a movable portion, a fixed portion, and a driving module. The movable portion is movable relative to the fixed portion for receiving an optical member that defines an optical axis. The driving module includes a first electromagnetic driving assembly and a second electromagnetic driving assembly for driving the movable portion to move relative to the fixed portion. The optical axis is located between the first electromagnetic driving assembly and second electromagnetic driving assembly when viewed from the optical axis, and the first electromagnetic driving assembly and the second electromagnetic driving assembly are electrically independent from each other.
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