Patents by Inventor Chao-Chang Hu

Chao-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).

  • Electromagnetic driving mechanism
    Patent number: 10938291
    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.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: March 2, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Cheng-Kai Yu, Liang-Ting Ho, Shu-Shan Chen, Chao-Chang Hu
  • OPTICAL SYSTEM
    Publication number: 20210055539
    Abstract: An optical system is provided and includes a fixed assembly, a movable element and a driving module. The fixed assembly has a main axis. The movable element is movable relative to the fixed assembly, and the movable element is connected to a first optical element. The driving module is configured to drive the movable element to move relative to the fixed assembly.
    Type: Application
    Filed: January 23, 2020
    Publication date: February 25, 2021
    Inventors: Chao-Chang HU, Che-Wei CHANG, Chih-Wen CHIANG, Chen-Er HSU, Fu-Yuan WU, Shou-Jen LIU, Chih-Wei WENG, Mao-Kuo HSU, Hsueh-Ju LU, Che-Hsiang CHIU
  • Aperture unit
    Patent number: 10928559
    Abstract: The present invention relates to an aperture unit having an optical axis. The aperture unit includes a fixed portion, a guiding element, a first blade and a driving assembly. The guiding element is movably connected to the fixed portion, and the first blade is movably connected to the guiding element and the fixed portion. The driving assembly is disposed on the guiding element for driving the guiding element to move relative to the fixed portion in a first moving dimension. When the guiding element moves relative to the fixed portion in the first moving dimension, the first blade is driven by the guiding element to move relative to the fixed portion in a second moving dimension, and the first moving dimension and the second moving dimension are different.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: February 23, 2021
    Assignee: TDK Taiwan Corp.
    Inventors: Chao-Hsi Wang, Chao-Chang Hu, Chih-Wei Weng, Kuen-Wang Tsai
  • OPTICAL SYSTEM
    Publication number: 20210048609
    Abstract: An optical system is provided. The optical system includes a first optical module and a second optical module. The first optical module includes a movable portion, a fixed portion and a driving assembly. The movable portion is connected to a first optical member, and 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 second optical module is connected to a second optical member, wherein an optical axis passes through the first optical member and the second optical member.
    Type: Application
    Filed: January 27, 2020
    Publication date: February 18, 2021
    Inventors: Chih-Wei WENG, Chao-Chang HU, Sin-Jhong SONG
  • OPTICAL SYSTEM
    Publication number: 20210048604
    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: Application
    Filed: January 17, 2020
    Publication date: February 18, 2021
    Inventors: Chih-Wei WENG, Liang-Ting HO, Chao-Chang HU, Chien-Yu KAO, Sin-Jhong SONG
  • Driving module and driving mechanism thereof
    Patent number: 10921546
    Abstract: A driving mechanism is provided, including a base unit, a frame, a holder, a first driving assembly, a sensing magnet, and a magnetic field sensor. The base unit has a polygonal structure. The frame is connected to the base unit. The holder is connected to the frame for holding an optical element, wherein the optical element defines an optical axis. The first driving assembly is disposed on the base unit and the frame, close to a first side of the base unit for driving the holder and the frame to move relative to the base unit along a horizontal direction perpendicular to the optical axis. The sensing magnet is disposed on the holder and close to a second side of the base unit, opposite to the first side. The magnetic field sensor is disposed on the base unit for sensing the sensing magnet.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: February 16, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Liang-Ting Ho, Sin-Jhong Song
  • Optical element driving mechanism
    Patent number: 10914870
    Abstract: The present invention relates to an optical element driving mechanism, including a base, a holder, a frame and a light intensity adjusting assembly. The holder is movably connected to the base and carries the optical element, wherein the optical element has an opening and an optical axis so that light passes through the opening to the optical element. The frame is connected to the holder and the base. The light intensity adjusting assembly is disposed on the frame. The light intensity adjusting assembly includes a first shutter, a second shutter and a shutter driving member. The second shutter is disposed between the first shutter and the frame. The shutter driving member is disposed between the second shutter and the frame to drive the first shutter and the second shutter.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: February 9, 2021
    Assignee: TDK Taiwan Corp.
    Inventors: Shiang-Ming Yu, Kuen-Wang Tsai, Chao-Chang Hu, Chih-Wei Weng, Sin-Jhong Song
  • OPTICAL ELEMENT DRIVING MECHANISM
    Publication number: 20210033880
    Abstract: An optical element driving mechanism is provided, including a movable portion, a fixed portion, a driving assembly, and an assisting 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 movable portion or the fixed portion for driving the movable portion to move relative to the fixed portion. The movable portion is movably connected to the fixed portion through the assisting assembly.
    Type: Application
    Filed: June 4, 2020
    Publication date: February 4, 2021
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Shang-Hung Chen, He-Ling Chang, Chih-Wei Weng
  • DRIVING MECHANISM
    Publication number: 20210036593
    Abstract: A driving mechanism is provided, including a fixed portion, a movable portion, a driving assembly and a connecting element. The movable portion may move relative to the fixed portion and is used for holding an optical module. The driving assembly moves the movable portion relative to the fixed portion. The connecting element is movably connected to the fixed portion and the movable portion.
    Type: Application
    Filed: June 4, 2020
    Publication date: February 4, 2021
    Inventors: Chao-Chang HU, Chen-Hsien FAN, Yueh-Lin LEE, Yu-Chiao LO, Chih-Wei WENG
  • DRIVING ASSEMBLY AND DRIVING SYSTEM
    Publication number: 20210033816
    Abstract: A driving assembly is provided, including a transmission element and a first driving source. The transmission element has a first connecting point. The first driving source outputs a first driving force to the transmission element. The first driving source is at least partially fixedly connected to the transmission element at the first connecting point.
    Type: Application
    Filed: June 12, 2020
    Publication date: February 4, 2021
    Inventors: Jungsuck RYOO, Chao-Chang HU, Shu-Shan CHEN
  • OPTICAL SYSTEM
    Publication number: 20210029274
    Abstract: An optical system is provided. The optical system includes an optical member driving mechanism and an image sensor. The optical member driving mechanism includes a movable portion, a fixed portion and a first driving assembly. The movable portion is configured to connect an optical member, and the optical member has an optical axis. The movable portion is movable relative to the fixed portion. The first driving assembly drives the movable portion to move relative to the fixed portion. The image sensor is disposed to correspond to the optical member, and the optical axis passes through the image sensor.
    Type: Application
    Filed: April 28, 2020
    Publication date: January 28, 2021
    Inventors: Chih-Wei WENG, Chao-Chang HU, Che-Wei CHANG
  • OPTICAL ELEMENT DRIVING MECHANISM
    Publication number: 20210026096
    Abstract: An optical element driving mechanism has an optical axis and includes a fixed portion, a movable portion, a driving portion, and an elastic element. The movable portion is movable relative to the fixed portion. The driving portion drives the movable portion to move relative to the fixed portion. The elastic element connects the fixed portion and the movable portion.
    Type: Application
    Filed: June 11, 2020
    Publication date: January 28, 2021
    Inventors: Chao-Chang HU, Liang-Ting HO
  • OPTICAL ELEMENT DRIVING MECHANISM AND OPTICAL SYSTEM
    Publication number: 20210026097
    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.
    Type: Application
    Filed: June 11, 2020
    Publication date: January 28, 2021
    Inventors: Chao-Hsi WANG, Chao-Chang HU, Chih-Wei WENG, He-Ling CHANG
  • OPTICAL ELEMENT DRIVING MECHANISM AND OPTICAL DEVICE
    Publication number: 20210026224
    Abstract: An optical element driving mechanism is provided, including a fixed part, a movable part, a driving assembly, and a stopping assembly. The movable part is movably disposed on the fixed part, and the movable part is connected to a first optical element. The driving assembly is at least partially disposed on the fixed part. The stopping assembly is disposed between the movable part and the fixed part. The stopping assembly limits the range of motion of the movable part relative to the fixed part.
    Type: Application
    Filed: June 11, 2020
    Publication date: January 28, 2021
    Inventors: Chao-Chang HU, Chao-Hsi WANG, Chih-Wei WENG, He-Ling CHANG
  • Lens driving mechanism
    Patent number: 10901171
    Abstract: A lens driving mechanism is provided, including a bottom plate, a housing, a movable portion, and a biasing assembly. The housing is disposed on and connected to the bottom plate. The movable portion and the biasing assembly are disposed in the housing. The movable portion has a base and a holder, wherein the holder is configured to hold an optical lens and connects to the base. The biasing assembly connects the bottom plate and the movable portion, and is configured to force the movable portion to move relative to the bottom plate. When the holder moves to a limit position relative to the base, the holder contacts the housing.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: January 26, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chen-Chi Kuo, Chao-Chang Hu, Sin-Jhong Song
  • Modeling system
    Patent number: 10900775
    Abstract: A modeling system is provided, including a light-emitting source, a chromatic aberration member, and a receiving module. The light-emitting source can emit a mixed light, including a main light having a first wavelength and a sub-light having a second wavelength. The main light and the sub-light are emitted along an emission path and toward an object, and they are reflected by the object after reaching it. The chromatic aberration member is disposed on the emission path. The receiving module includes a main body, a receiving member, a space filtering member, and a first driving assembly. The receiving member is disposed on the main body. After being reflected, the main light and the sub-light move along a reflecting path and reach the receiving member. The space filtering member is disposed on the reflecting path. The first driving assembly can drive the space filtering member to move.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: January 26, 2021
    Assignee: TDK Taiwan Corp.
    Inventors: Chih-Wei Weng, Chao-Chang Hu, Mao-Kuo Hsu, Sin-Jhong Song
  • Thin-plate-typed rotating module
    Patent number: 10895755
    Abstract: A thin-plate-typed rotating module includes a rotating element, a driving unit and a base board. The rotating element is rotatable about a first axial direction and a second axial direction in a limited degree. The driving unit connects the rotating element for driving the rotating element to rotate about the first and second axial directions. The base board is furnished with a control module which is connected with the driving unit for controlling the driving unit to operate.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: January 19, 2021
    Inventors: Cheng Kai Yu, Chao Chang Hu, Chih Wei Weng
  • Distance measuring device
    Patent number: 10895642
    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 sequentially through the optical path adjuster and the light grating element along a first axis. 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.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: January 19, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Shu-Shan Chen, Chao-Chang Hu, Chih-Wei Weng, Sin-Jhong Song
  • TACTILE FEEDBACK MECHANISM
    Publication number: 20210013774
    Abstract: The present disclosure provides a vibration device, including a stator, an eccentric wheel and an electromagnetic driving assembly. The eccentric wheel rotates around a rotating shaft relative to the stator. The electromagnetic driving assembly includes at least one magnetic element and an induction coil. The at least one magnetic element is disposed on the eccentric wheel. The induction coil corresponds to the magnetic element, and the induction coil is disposed on the stator. When a current is applied to the induction coil, the induction coil acts with the magnetic element to generate an electromagnetic force to drive the eccentric wheel to rotate around the rotating shaft, so that the vibration device generates a vibration. The rotating shaft is disposed on the stator.
    Type: Application
    Filed: September 29, 2020
    Publication date: January 14, 2021
    Inventors: Chao-Chang HU, Che-Wei CHANG
  • Camera system
    Patent number: 10890825
    Abstract: A camera system is provided and includes a lens module, a photosensitive module and a fixed frame. The lens module includes a first lens and a lens barrel. The lens barrel is for accommodating the first lens. The photosensitive module includes a photosensitive element and a base. The photosensitive element corresponds to the lens module, and the photosensitive element is disposed on the base. The lens module and the photosensitive module are disposed on the fixed frame, and the lens barrel is made of a material with a thermal expansion coefficient less than 50 (10?6/K @ 20° C.).
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: January 12, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chih-Wei Weng, Mao-Kuo Hsu