Patents by Inventor Sung-Mao Tsai
Sung-Mao Tsai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11956541Abstract: A control method of a driving mechanism is provided, including: the driving mechanism provides a first electrical signal from a control assembly to the driving mechanism to move the movable portion into an initial position relative to the fixed portion, wherein the control assembly includes a control unit and a position sensing unit; the status signal of an inertia sensing unit is read; the control unit sends the status signal to the control unit to calculate a target position; the control unit provides a second electrical signal to the driving assembly according to the target position for driving the driving assembly; a position signal is sent from the position sensing unit to the control unit; the control unit provides a third electric signal to the driving assembly to drive the driving assembly according the position signal.Type: GrantFiled: January 26, 2023Date of Patent: April 9, 2024Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Chen-Hsien Fan, Sung-Mao Tsai, Yueh-Lin Lee, Yu-Chiao Lo, Mao-Kuo Hsu, Ching-Chieh Huan, Yi-Chun Cheng
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Patent number: 11934034Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, a driving assembly, and an assist 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 drives the movable portion to move relative to the fixed portion. The assist assembly limits the movement of the movable portion relative to the fixed portion.Type: GrantFiled: April 8, 2020Date of Patent: March 19, 2024Assignee: TDK TAIWAN CORP.Inventors: Chen-Hsien Fan, Yueh-Lin Lee, Yu-Chiao Lo, Sung-Mao Tsai, Shang-Hung Chen
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Patent number: 11914169Abstract: An optical member driving mechanism is provided. The optical member driving mechanism is configured to hold an optical member and drive the optical member to move. The optical member driving mechanism includes a first movable portion, a fixed portion, and a driving assembly. The first movable portion is movable relative to the fixed portion. The driving assembly is configured to drive the first movable portion to move relative to the fixed portion.Type: GrantFiled: January 24, 2020Date of Patent: February 27, 2024Assignee: TDK TAIWAN CORP.Inventors: Chen-Hsien Fan, Sung-Mao Tsai, Chia-Che Wu, Yueh-Lin Lee
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Patent number: 11880090Abstract: An optical element driving mechanism is provided, including a movable part for connecting an optical element; a fixed part, wherein the movable part can move relative to the fixed part; a driving assembly for driving the movable part to move relative to the fixed part; and a supporting assembly, wherein the movable part can move relative to the fixed part in multiple dimensions via the supporting assembly.Type: GrantFiled: April 18, 2022Date of Patent: January 23, 2024Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Chen-Hsien Fan, Che-Wei Chang, Chih-Wei Weng, Chia-Che Wu, Mao-Gen Jian, Chien-Yu Kao, Sung-Mao Tsai
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Publication number: 20230296878Abstract: An optical member driving mechanism is provided, including a first movable portion, a fixed portion, and a first driving assembly. The first movable portion is connected to an optical member. The first movable portion is movable relative to the fixed portion. The first driving assembly is configured to drive the first movable portion to move relative to the fixed portion.Type: ApplicationFiled: May 23, 2023Publication date: September 21, 2023Inventors: Sung-Mao TSAI, Shang-Hung CHEN, Chia-Che WU
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Patent number: 11747711Abstract: An optical system is provided and it includes a first optical module and a second optical module. The first optical module includes a first connecting member for connecting a first optical element. The second optical module includes a second connecting member for connecting a second optical element. The first optical module and the second optical module are arranged in a first direction.Type: GrantFiled: December 27, 2019Date of Patent: September 5, 2023Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Che-Wei Chang, Sung-Mao Tsai, Yi-Cheng Hsiao, Che-Hsiang Chiu, Sin-Jhong Song
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Patent number: 11698525Abstract: An optical member driving mechanism is provided, including a first movable portion, a fixed portion, and a first driving assembly. The first movable portion is connected to an optical member. The first movable portion is movable relative to the fixed portion. The first driving assembly is configured to drive the first movable portion to move relative to the fixed portion.Type: GrantFiled: February 19, 2020Date of Patent: July 11, 2023Assignee: TDK TAIWAN CORP.Inventors: Sung-Mao Tsai, Shang-Hung Chen, Chia-Che Wu
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Patent number: 11689788Abstract: An optical element driving mechanism is provided, including a movable portion, a fixed portion, a driving assembly, and a support element. 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 used for driving the movable portion to move relative to the fixed portion. The movable portion moves relative to the fixed portion through the support element.Type: GrantFiled: April 9, 2020Date of Patent: June 27, 2023Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Shu-Shan Chen, Chen-Hsien Fan, Yueh-Lin Lee, Yu-Chiao Lo, Sung-Mao Tsai, Shang-Hung Chen
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Patent number: 11681156Abstract: 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.Type: GrantFiled: November 3, 2020Date of Patent: June 20, 2023Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Sung-Mao Tsai
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Patent number: 11678036Abstract: An optical element driving mechanism is provided, including a fixed portion, a movable portion, a driving assembly, and a stopping assembly. The movable portion is movably connected to the fixed portion, wherein the movable portion is used for connecting to an optical element having a main axis. The driving assembly is disposed on the fixed portion or the movable portion, and the driving assembly is used for driving the movable portion to move relative to the fixed portion. The stopping assembly is connected to the movable portion and the fixed portion.Type: GrantFiled: April 10, 2020Date of Patent: June 13, 2023Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Shu-Shan Chen, Chen-Hsien Fan, Yueh-Lin Lee, Yu-Chiao Lo, Sung-Mao Tsai, Shang-Hung Chen
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Patent number: 11677304Abstract: An optical member driving mechanism is provided, including a movable portion, a fixed portion, and a driving assembly. The movable portion is connected to an optical member. The fixed portion has an accommodating space, and the optical member is received in the accommodating space. 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 fixed portion.Type: GrantFiled: March 4, 2020Date of Patent: June 13, 2023Assignee: TDK TAIWAN CORP.Inventors: Sheng-Zong Chen, Sung-Mao Tsai, Chen-Chi Kuo
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Publication number: 20230171495Abstract: A control method of a driving mechanism is provided, including: the driving mechanism provides a first electrical signal from a control assembly to the driving mechanism to move the movable portion into an initial position relative to the fixed portion, wherein the control assembly includes a control unit and a position sensing unit; the status signal of an inertia sensing unit is read; the control unit sends the status signal to the control unit to calculate a target position; the control unit provides a second electrical signal to the driving assembly according to the target position for driving the driving assembly; a position signal is sent from the position sensing unit to the control unit; the control unit provides a third electric signal to the driving assembly to drive the driving assembly according the position signal.Type: ApplicationFiled: January 26, 2023Publication date: June 1, 2023Inventors: Chao-Chang HU, Chen-Hsien FAN, Sung-Mao TSAI, Yueh-Lin LEE, Yu-Chiao LO, Mao-Kuo HSU, Ching-Chieh HUAN, Yi-Chun CHENG
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Patent number: 11665411Abstract: 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.Type: GrantFiled: April 10, 2020Date of Patent: May 30, 2023Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Shu-Shan Chen, Chen-Hsien Fan, Yueh-Lin Lee, Yu-Chiao Lo, Sung-Mao Tsai, Shang-Hung Chen
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Publication number: 20230161131Abstract: An optical member driving mechanism is provided. The optical member driving mechanism includes a first movable portion, a fixed portion, a first driving assembly, and a plurality of second guiding members. The first movable portion is configured to connect an optical member. The optical member is used for adjusting a direction of a light from an incident direction to an outgoing direction. The first movable portion can move relative to the fixed portion. The first driving assembly is configured to drive the first movable portion to move relative to the fixed portion. The second guiding members include a first ball, a second ball, and a third ball. The first ball, the second ball, and the third ball are disposed in a plane that is perpendicular to the incident direction.Type: ApplicationFiled: January 20, 2023Publication date: May 25, 2023Inventors: Chih-Wei WENG, Chao-Chang HU, Yueh-Lin LEE, Chen-Hsien FAN, Chien-Yu KAO, Chia-Ching HSU, Sung-Mao TSAI, Sin-Jhong SONG
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Patent number: 11601595Abstract: A control method of a driving mechanism is provided, including: the driving mechanism provides a first electrical signal from a control assembly to the driving mechanism to move the movable portion into an initial position relative to the fixed portion, wherein the control assembly includes a control unit and a position sensing unit; the status signal of an inertia sensing unit is read; the control unit sends the status signal to the control unit to calculate a target position; the control unit provides a second electrical signal to the driving assembly according to the target position for driving the driving assembly; a position signal is sent from the position sensing unit to the control unit; the control unit provides a third electric signal to the driving assembly to drive the driving assembly according the position signal.Type: GrantFiled: January 31, 2020Date of Patent: March 7, 2023Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Chen-Hsien Fan, Sung-Mao Tsai, Yueh-Lin Lee, Yu-Chiao Lo, Mao-Kuo Hsu, Ching-Chieh Huang, Yi-Chun Cheng
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Patent number: 11586002Abstract: An optical member driving mechanism is provided. The optical member driving mechanism includes a movable portion and a fixed portion. The movable portion includes a holder for holding an optical member with an optical axis. The movable portion is movable relative to the fixed portion. The fixed portion has a housing and a base. The housing is disposed on the base, and includes a top surface and a side surface. The top surface extends in a direction that is parallel to the optical axis. The side surface extends from an edge of the top surface in a direction that is not parallel to the optical axis. The side surface has a rectangular opening.Type: GrantFiled: December 27, 2019Date of Patent: February 21, 2023Assignee: TDK TAIWAN CORP.Inventors: Chih-Wei Weng, Chao-Chang Hu, Yueh-Lin Lee, Chen-Hsien Fan, Chien-Yu Kao, Chia-Ching Hsu, Sung-Mao Tsai, Sin-Jhong Song
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Publication number: 20220317408Abstract: An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.Type: ApplicationFiled: June 21, 2022Publication date: October 6, 2022Inventors: Chao-Chang HU, Chih-Wei WENG, Chia-Che WU, Chien-Yu KAO, Hsiao-Hsin HU, He-Ling CHANG, Chao-Hsi WANG, Chen-Hsien FAN, Che-Wei CHANG, Mao-Gen JIAN, Sung-Mao TSAI, Wei-Jhe SHEN, Yung-Ping YANG, Sin-Hong LIN, Tzu-Yu CHANG, Sin-Jhong SONG, Shang-Yu HSU, Meng-Ting LIN, Shih-Wei HUNG, Yu-Huai LIAO, Mao-Kuo HSU, Hsueh-Ju LU, Ching-Chieh HUANG, Chih-Wen CHIANG, Yu-Chiao LO, Ying-Jen WANG, Shu-Shan CHEN, Che-Hsiang CHIU
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Patent number: 11448850Abstract: An optical member driving mechanism is provided, including a fixed portion, a movable portion, and a driving module, wherein the movable portion is movably connected to the fixed portion and includes an optical member holder and a spacing member. The optical member holder can support an optical member and has a surface facing the optical member. The optical member can change the moving direction of an external light. The spacing member is disposed between the surface and the optical member, and a gap is formed between the surface and the optical member. The driving module can drive the movable portion to move relative to the fixed portion.Type: GrantFiled: January 25, 2019Date of Patent: September 20, 2022Assignee: TDK TAIWAN CORP.Inventors: Sung-Mao Tsai, Liang-Ting Ho, Chao-Chang Hu, Sin-Jhong Song
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Patent number: 11422333Abstract: An optical member driving mechanism is provided, including a movable portion, a fixed portion, and a driving assembly. The movable portion is connected to an optical member. The fixed portion has an accommodating space, and the optical member is received in the accommodating space. 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 fixed portion.Type: GrantFiled: February 28, 2020Date of Patent: August 23, 2022Assignee: TDK TAIWAN CORP.Inventors: Sheng-Zong Chen, Sung-Mao Tsai, Chen-Chi Kuo
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Publication number: 20220236519Abstract: An optical element driving mechanism is provided, including a movable part for connecting an optical element; a fixed part, wherein the movable part can move relative to the fixed part; a driving assembly for driving the movable part to move relative to the fixed part; and a supporting assembly, wherein the movable part can move relative to the fixed part in multiple dimensions via the supporting assembly.Type: ApplicationFiled: April 18, 2022Publication date: July 28, 2022Inventors: Chao-Chang HU, Chen-Hsien FAN, Che-Wei CHANG, Chih-Wei WENG, Chia-Che WU, Mao-Gen JIAN, Chien-Yu KAO, Sung-Mao TSAI