Patents by Inventor Chang Hu

Chang Hu 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).

  • OPTICAL SYSTEM
    Publication number: 20220357548
    Abstract: An optical system includes a first movable portion, a fixed portion, a first driving assembly and a first guiding structure. The first movable portion is connected to a first optical element. The movable portion is movable relative to the fixed portion. The first driving assembly drives the first movable portion to move relative to the fixed portion. The first guiding structure guides the first movable portion to move relative to the fixed portion in a first dimension.
    Type: Application
    Filed: May 9, 2022
    Publication date: November 10, 2022
    Inventors: Yi-Cheng HSIAO, Chao-Chang HU, Che-Wei CHANG, Chen-Hsien FAN
  • OPTICAL SYSTEM
    Publication number: 20220357555
    Abstract: An optical system is provided in the present disclosure, including a fixed portion, a first movable portion, a first driving assembly, a second movable portion, and a second driving assembly. The first movable portion is connected to a first optical element. The first movable portion is movable relative to the fixed portion. The first driving assembly drives the first movable portion to move relative to the fixed portion. The second movable portion is connected to a second optical element. The second movable portion is movable relative to the fixed portion and the first movable portion. The second driving assembly drives the second movable portion to move relative to the fixed portion. The first driving assembly provides a first driving force via a first piezoelectric unit. The first movable portion is driven by the first driving force to move relative to the fixed portion.
    Type: Application
    Filed: May 9, 2022
    Publication date: November 10, 2022
    Inventors: Pai-Jui CHENG, Chao-Chang HU, Shu-Shan CHEN, Hsiao-Hsin HU, Chieh-An CHANG
  • OPTICAL SYSTEM
    Publication number: 20220357556
    Abstract: An optical system is provided in the present disclosure, including a first movable portion, a fixed portion, a first driving assembly, and a circuit assembly. The first movable portion is connected to a first optical element. The first movable portion is movable relative to the fixed portion. The first driving assembly drives the first movable portion to move relative to the fixed portion. The first movable portion is movably connected to the fixed portion via the circuit assembly.
    Type: Application
    Filed: May 9, 2022
    Publication date: November 10, 2022
    Inventors: Yi-Cheng HSIAO, Chao-Chang HU, Che-Wei CHANG, Chen-Hsien FAN
  • OPTICAL SYSTEM
    Publication number: 20220357543
    Abstract: An optical system is provided in the present disclosure, including a first movable portion, a fixed portion, a first driving assembly, and a circuit assembly. The first movable portion is connected to a first optical element. The first movable portion is movable relative to the fixed portion. The first driving assembly drives the first movable portion to move relative to the fixed portion. The circuit assembly is electrically connected to the first driving assembly.
    Type: Application
    Filed: May 9, 2022
    Publication date: November 10, 2022
    Inventors: Yi-Cheng HSIAO, Chao-Chang HU, Che-Wei CHANG, Chen-Hsien FAN
  • Lens driving system and circuit module thereof
    Patent number: 11493728
    Abstract: A circuit module is provided and includes a metal substrate, an insulating layer, and a circuit element. The metal substrate includes a main body, a bent portion, and an opening. The opening is formed between the main body and the bent portion, and the bent portion is bent relative to the main body. The insulating layer is disposed on the metal substrate. The circuit element is disposed on the insulating layer and is extended across the opening.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: November 8, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Yi-Liang Chan
  • Optical system
    Patent number: 11493727
    Abstract: An optical system is provided, including a fixed assembly, a plurality of movable members, and a plurality of driving assemblies respectively connected to the movable members. The movable members are connected to an optical element and movable relative to the fixed assembly. The driving assemblies respectively drive the movable members to move relative to the fixed assembly in different time intervals.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: November 8, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Yi-Chun Cheng, Chao-Chang Hu, Che-Wei Chang, Chih-Wen Chiang, Tsung-Tung Li, Sin-Jhong Song
  • OPTICAL COMPONENT DRIVING MECHANISM
    Publication number: 20220353390
    Abstract: An optical component driving mechanism is provided. The optical component driving mechanism includes a first movable portion, a fixed portion, and a first driving assembly. The fixed portion includes a first opening. 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: Application
    Filed: May 3, 2022
    Publication date: November 3, 2022
    Inventors: Chao-Hsi WANG, Yueh-Lin LEE, Ko-Lun CHAO, Chao-Chang HU
  • Optical element driving mechanism
    Patent number: 11487077
    Abstract: An optical element driving mechanism includes a fixed assembly, a movable assembly, a driving assembly and a circuit assembly. The driving assembly is configured to drive the movable assembly to move relative to the fixed assembly. The driving assembly includes a first coil group which has a plurality of first coils and a magnetic module which has a magnetic element and a first conductive element. The circuit assembly includes a first circuit member electrically connected to the first conductive element and a second circuit member electrically connected to the first coils. When the magnetic module is located in different positions relative to the first coil group, the first conductive element is electrically connected to different first coils in sequence, so that the first coil is electrically connected to the first circuit member and the second circuit member, and other first coils remain open.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: November 1, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chao-Hsi Wang, Chih-Wei Weng, Kuen-Wang Tsai, Sin-Jhong Song
  • OPTICAL ELEMENT DRIVING MECHANISM
    Publication number: 20220334338
    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.
    Type: Application
    Filed: June 30, 2022
    Publication date: October 20, 2022
    Inventors: 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, Jung-suck RYOO, Mao-Kuo HSU, Guan-Yu SU
  • Optical member driving mechanism
    Patent number: 11474321
    Abstract: A camera device is provided, including a first lens unit, a second lens unit, a frame, a base, a plurality of suspension wires, and an electromagnetic driving mechanism. The frame surrounds the first lens unit and the second lens unit. The suspension wires are connected to the base and the frame. The electromagnetic driving mechanism can drive the frame to move along a first direction relative to the base.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: October 18, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan
  • Optical element driving mechanism
    Patent number: 11467364
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed portion, a movable portion, a first driving assembly, and a positioning element. The movable portion is movably disposed on the fixed portion and comprises an optical element, wherein the optical element moves in the first direction. The first driving assembly is at least partially disposed on the fixed portion. The positioning element is rotatably disposed on the fixed portion or the movable portion, wherein when the first driving assembly is not activated, the positioning element is used to limit the position of the movable portion relative to the fixed portion to a limit position.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: October 11, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Hsi Wang, Chao-Chang Hu, Chih-Wei Weng, He-Ling Chang
  • Systems and methods for detecting battery system swelling in information handling systems
    Patent number: 11466972
    Abstract: Systems and methods may be implemented separately from (and external to) a battery system to detect swollen battery system components within a chassis enclosure of the information handling system, without any physical contact with the battery cells or battery system, and without requiring premature opening of the information handling system chassis enclosure to inspect for battery system swelling. A system user may be automatically warned of detected battery system swelling and/or battery system charging may be automatically terminated upon detected battery system swelling so that information handling system failure and/or system service costs that would otherwise be expended to repair damage caused by swollen battery system components may be prevented.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: October 11, 2022
    Assignee: Dell Products L.P.
    Inventors: Shao-Szu Ho, Shih-Chang Hu, Wen-Yung Chang, Chin-Yuan Chiang
  • OPTICAL SYSTEM
    Publication number: 20220317408
    Abstract: 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: Application
    Filed: June 21, 2022
    Publication date: October 6, 2022
    Inventors: 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
  • OPTICAL ELEMENT DRIVING MECHANISM
    Publication number: 20220308357
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed portion, a movable portion, a driving assembly, and a first weighting element. The movable portion is arranged with the fixed portion in a main axis, and 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 first weighting element is disposed on the driving assembly for stabilizing the driving assembly.
    Type: Application
    Filed: March 28, 2022
    Publication date: September 29, 2022
    Inventors: Shu-Shan CHEN, Pai-Jui CHENG, Chieh-An CHANG, Hsiao-Hsin HU, Chao-Chang HU
  • OPTICAL COMPONENT DRIVING MECHANISM
    Publication number: 20220308307
    Abstract: An optical component driving mechanism is provided. The optical component driving mechanism includes a fixed portion, a movable portion, a driving assembly, and a first weighting component. The movable portion and the fixed portion are arranged along an optical axis. 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. The first weighting component is fixedly connected to the fixed portion. The driving assembly is disposed on the first weighting component.
    Type: Application
    Filed: March 28, 2022
    Publication date: September 29, 2022
    Inventors: Shu-Shan CHEN, Pai-Jui CHENG, Chieh-An CHANG, Hsiao-Hsin HU, Chao-Chang HU
  • OPTICAL SYSTEM
    Publication number: 20220308358
    Abstract: An optical system is provided. The optical system includes a fixed unit, an actuating unit, a lens unit and a metalens. The actuating unit is connected to the fixed unit. The lens unit is adapted to be moved by the actuating unit relative to the fixed unit. The metalens is adapted to be moved between a first position and a second position relative to the lens unit. When the metalens is in the first position, the metalens is not on a light path of the lens unit. When the metalens is in the second position, the metalens is on the light path of the lens unit.
    Type: Application
    Filed: March 29, 2022
    Publication date: September 29, 2022
    Inventors: Chih-Wei WENG, Chao-Chang HU, Yung-Hsien YEH, Mao-Kuo HSU
  • Optical element driving mechanism
    Patent number: 11448852
    Abstract: An optical element driving mechanism includes a fixed portion, a movable portion, a moving portion, a first driving assembly and a second driving assembly. The movable portion is movable relative to the fixed portion. The moving portion is connected to an optical element having an optical axis, and is movable relative to the movable portion. The first driving assembly drives the movable portion to move relative to the fixed portion; and the second driving assembly drives the moving portion to move relative to the movable portion.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: September 20, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Liang-Ting Ho, Sin-Jhong Song
  • Optical member driving mechanism
    Patent number: 11448850
    Abstract: 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: Grant
    Filed: January 25, 2019
    Date of Patent: September 20, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Sung-Mao Tsai, Liang-Ting Ho, Chao-Chang Hu, Sin-Jhong Song
  • Optical system
    Patent number: 11429011
    Abstract: An optical system is provided. The optical system includes a first optical module, a second optical module and a third optical module. The first optical module is configured to connect at least one first optical member. The second optical module is configured to connect at least one second optical member. The third optical module is configured to connect a third optical member, wherein the third optical module is located between the first optical module and the second optical module.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: August 30, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Chih-Wei Weng, Liang-Ting Ho, Chao-Chang Hu, Chien-Yu Kao, Sin-Jhong Song
  • Camera system
    Patent number: 11428909
    Abstract: A camera system including a telephoto lens module is provided. The telephoto lens module includes a first image sensor, a first assembly, and a second assembly. The first assembly includes a first driving mechanism and a reflecting member connected to the first driving mechanism. The first driving mechanism is configured to drive the reflecting member to rotate around a first axis and a second axis. The second assembly is disposed between the first assembly and the first image sensor, including a second driving mechanism and a first lens. The second driving mechanism is configured to drive the first lens to move along a third axis. The first, second, and third axes are not parallel to each other. When light enters the telephoto lens along the first axis, light is reflected by the reflecting member and through the first lens along the third axis to the first image sensor.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: August 30, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Cheng-Kai Yu, Chih-Wei Weng, Shu-Shan Chen