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).

  • OPTICAL SYSTEM
    Publication number: 20210109307
    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: October 9, 2020
    Publication date: April 15, 2021
    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: 20210109305
    Abstract: An optical element driving mechanism has an optical axis, and includes a fixed portion, a movable element, a plurality of blades, and a driving assembly. The fixed portion has an opening. The movable element is movable relative to the fixed portion. The blades are connected to the movable element. The driving assembly drives the movable element to move relative to the fixed portion. The driving assembly drives the movable element to change an overlap area of the blade and the opening.
    Type: Application
    Filed: October 9, 2020
    Publication date: April 15, 2021
    Inventors: Chao-Chang HU, Chih-Wei WENG, Chao-Hsi WANG, Kuen-Wang TSAI
  • OPTICAL ELEMENT DRIVING MECHANISM
    Publication number: 20210109368
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed portion, a first blade, a transmission assembly, and a driving assembly. The first blade is movable relative to the fixed portion. The transmission assembly is movable relative to the fixed portion. The driving assembly is used for driving the transmission element to move relative to the fixed portion. The transmission element brings the first blade to move relative to the fixed portion when the transmission element is driven by the driving assembly.
    Type: Application
    Filed: October 9, 2020
    Publication date: April 15, 2021
    Inventors: Hsiao-Hsin HU, He-Ling CHANG, Chao-Hsi WANG, Chao-Chang HU
  • OPTICAL ELEMENT DRIVING MECHANISM
    Publication number: 20210109314
    Abstract: An optical element driving mechanism is provided and includes a fixed assembly, a movable assembly, a driving assembly and a circuit assembly. The movable assembly is configured to connect an optical element, the movable assembly is movable relative to the fixed assembly, and the optical element has an optical axis. The driving assembly is configured to drive the movable assembly to move relative to the fixed assembly. The circuit assembly includes a plurality of circuits and is affixed to the fixed assembly.
    Type: Application
    Filed: October 9, 2020
    Publication date: April 15, 2021
    Inventors: Sin-Hong LIN, Yung-Ping YANG, Wen-Yen HUANG, Yu-Cheng LIN, Kun-Shih LIN, Chao-Chang HU, Yung-Hsien YEH, Mao-Kuo HSU, Chih-Wei WENG, Ching-Chieh HUANG, Chih-Shiang WU, Chun-Chia LIAO, Chia-Yu CHANG, Hung-Ping CHEN, Wei-Zhong LUO, Wen-Chang LIN, Shou-Jen LIU, Shao-Chung CHANG, Chen-Hsin HUANG, Meng-Ting LIN, Yen-Cheng CHEN, I-Mei HUANG, Yun-Fei WANG, Wei-Jhe SHEN
  • Optical member driving mechanism
    Patent number: 10976476
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed portion, a movable portion, a plurality of first elastic elements, and a first driving assembly. The movable portion is movably connected to the fixed portion, and includes a holder to hold an optical element, wherein the optical element has an optical axis. The first elastic elements are elastically connected to the fixed portion and the movable portion. The first elastic elements extend in a first direction, and the first direction is perpendicular to the optical axis. The first driving assembly drives the movable portion to move relative to the fixed portion in a direction that is perpendicular to the first direction. The first driving assembly is electrically connected to the first elastic elements.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: April 13, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chen-Hsien Fan, Chao-Chang Hu
  • Driving mechanism
    Patent number: 10969561
    Abstract: A driving mechanism for moving an optical element is provided, including a housing, a frame, a holder, and a driving assembly. The frame is fixed to the housing and forms a depressed surface adjacent to the housing. Specifically, the depressed surface faces the housing and is not in contact with the housing. The holder is movably disposed in the housing for holding the optical element. The drive assembly is disposed in the housing to drive the holder and the optical element to move relative to the frame.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: April 6, 2021
    Assignee: TDK Taiwan Corp.
    Inventors: Chao-Chang Hu, Bing-Ru Song, Yi-Ho Chen, Chia-Pin Hsu, Chih-Wei Weng, Shin-Hua Chen, Chien-Lun Huang, Chao-Chun Chang, Shou-Jen Liu, Kun-Shih Lin, Nai-Wen Hsu, Yu-Cheng Lin, Shang-Yu Hsu, Yu-Huai Liao, Yi-Hsin Nieh, Shih-Ting Huang, Kuo-Chun Kao, Fu-Yuan Wu
  • DISTANCE MEASURING DEVICE AND LIGHT-EMITTING MODULE THEREOF
    Publication number: 20210096223
    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.
    Type: Application
    Filed: December 15, 2020
    Publication date: April 1, 2021
    Inventors: Shu-Shan CHEN, Chao-Chang HU, Chih-Wei WENG, Sin-Jhong SONG
  • Thin-Plate-Typed Rotating Module
    Publication number: 20210096390
    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: Application
    Filed: December 12, 2020
    Publication date: April 1, 2021
    Applicant: TDK Taiwan Corp.
    Inventors: Cheng Kai Yu, Chao Chang Hu, Chih Wei Weng
  • Lens module
    Patent number: 10962737
    Abstract: A lens module comprises a frame, a lens unit, and a driving module for driving the lens unit to move relative to the frame. The lens unit comprises a body made of plastic, at least one lens located in a center of the body, and an embedded member made of metal. The metal embedded member is embedded within a thinner rim portion of the lens unit by means of a plastic insert-molding process in such a manner that, at least one protrusion of the metal embedded member is exposed outside of the rim portion. When the lens unit moves relative to the frame, a location where the lens unit might touch the frame is one of the at least one protrusion, and therefore the structural strength, endure ability of impact and endure ability of friction at the rim portion of the lens unit are increased. In addition, the protrusion can also act as a positioning post or winding post for a coil of the driving module.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: March 30, 2021
    Inventors: Chao-Chang Hu, Shao-Kuang Huang, Chih-Wei Weng
  • OPTICAL MECHANISM
    Publication number: 20210092267
    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.
    Type: Application
    Filed: December 7, 2020
    Publication date: March 25, 2021
    Inventors: Chao-Chang HU, Chen-Hsien FAN
  • OPTICAL MECHANISM
    Publication number: 20210092266
    Abstract: An optical mechanism is provided, including an optical member, a reflecting element, a holder, and a housing. The optical member includes a first optical lens and a second optical lens. Light propagates into the optical mechanism in a first direction and is reflected by the reflecting element to propagate through the first and second optical lenses in a second direction. The holder supports the first and the second optical lenses, wherein the first and second optical lenses define an optical axis parallel to the second direction. The housing has a lower cover and a top cover, wherein the holder is accommodated in the housing. The first optical lens is closer to a light-entering end of the optical member than the second optical lens, and the first optical lens is larger than the second optical lens.
    Type: Application
    Filed: December 7, 2020
    Publication date: March 25, 2021
    Inventors: Chao-Chang HU, Chen-Hsien FAN
  • Driving mechanism
    Patent number: 10955641
    Abstract: A driving mechanism is provided, including a case, a holder and a driving module. The holder is disposed in the case for holding an optical member. The driving module is disposed in the case for driving the holder. The case is substantially quadrilateral and includes a first side and a second side. The driving module includes a first magnetic driving component winding on a periphery of the holder. The first magnetic driving component includes a first segment and a second segment that are respectively substantially parallel to the first side and the second side. The distance between the first segment and the first side is different from the distance between the second segment and the second side.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: March 23, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Bing-Ru Song, Yi-Ho Chen, Chia-Pin Hsu, Chih-Wei Weng, Shin-Hua Chen, Chien-Lun Huang, Chao-Chun Chang, Shou-Jen Liu, Kun-Shih Lin, Nai-Wen Hsu, Yu-Cheng Lin, Shang-Yu Hsu, Yu-Huai Liao, Yi-Hsin Nieh, Shih-Ting Huang, Kuo-Chun Kao, Fu-Yuan Wu
  • OPTICAL ELEMENT DRIVING MECHANISM
    Publication number: 20210080674
    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: Application
    Filed: June 11, 2020
    Publication date: March 18, 2021
    Inventors: Chao-Hsi WANG, Chao-Chang HU, Chih-Wei WENG, He-Ling CHANG
  • ANTI-SHAKE COMPENSATION STRUCTURE FOR AUTO-FOCUS
    Publication number: 20210080808
    Abstract: An anti-shake compensation structure is provided. The anti-shake compensation structure includes an auto-focus module driving a lens to move along a light entering path of the lens. The auto-focus module includes a lens holder holding the lens, a coil adjacent to the lens holder, and a magnet corresponding to the coil. The anti-shake compensation structure further includes an outer frame supporting the lens holder, and a compensation driving unit driving the lens to sway relative to the outer frame along a direction not parallel to the light entering path. The compensation driving unit includes a compensation coil corresponding to the magnet.
    Type: Application
    Filed: November 25, 2020
    Publication date: March 18, 2021
    Inventors: Fu-Yuan WU, Chao-Chang HU, Yi-Liang CHAN
  • OPTICAL SYSTEM
    Publication number: 20210080681
    Abstract: An optical system is provided. The optical system includes a first optical module. The first optical module includes a first fixed portion, a first movable portion, a first driving assembly, and a circuit assembly. The first movable portion is used for connecting to a first optical element, and the first movable portion is movably connected to the fixed portion. The first driving assembly is used for driving the first movable portion to move relative to the first fixed portion. The circuit assembly is electrically connected to the first driving assembly.
    Type: Application
    Filed: June 12, 2020
    Publication date: March 18, 2021
    Inventors: Jungsuck RYOO, Pai-Jui CHENG, Chao-Chang HU, Min-Hsiu TSAI, Shu-Shan CHEN, Chieh-An CHANG
  • Tactile feedback mechanism
    Patent number: 10951089
    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 acurrent 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: Grant
    Filed: September 29, 2020
    Date of Patent: March 16, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Che-Wei Chang
  • OPTICAL SYSTEM
    Publication number: 20210072623
    Abstract: An optical system is provided, including a fixed part, a movable part, a first optical element, a driving assembly, and a circuit assembly. The movable part is movable relative to the fixed part. The first optical element is connected to the movable part. The driving assembly is configured for driving the movable part to move relative to the fixed part. The circuit assembly is electrically connected to the driving assembly.
    Type: Application
    Filed: February 20, 2020
    Publication date: March 11, 2021
    Inventors: Chao-Chang HU, Sung-Mao TSAI, Liang-Ting HO, Chih-Wei WENG, Chia-Che WU, Sin-Jhong SONG
  • Reflecting unit
    Patent number: 10942298
    Abstract: A reflecting unit is provided, including an optical member holder, an optical member, a frame, a first bearing member, a first hinge, and a first driving module. The optical member is disposed on the optical member holder. The first bearing member is disposed on the frame or the optical member holder. The first hinge is pivotally connected to the optical member holder and the frame. The first driving module can drive the optical member holder to rotate relative to the frame. When the optical member holder rotates relative to the frame, the first hinge rotates relative to the optical member holder or the frame via the first bearing member.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: March 9, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Kai-Jing Fu, Liang-Ting Ho, Chao-Chang Hu, Sin-Jhong Song
  • FEEDBACK SYSTEM
    Publication number: 20210064138
    Abstract: A feedback system is provided. The feedback system includes a main body, a vibration module, a sensing module, and a control module. The vibration module includes a first vibration mechanism. The first vibration mechanism is used for providing a first vibration force to the main body at a first vibration position. The sensing module is used for detecting the status of the main body and providing a sensing signal. The control module is used for receiving the sensing signal and providing a driving signal to the first vibration mechanism to generate the first vibration force.
    Type: Application
    Filed: August 28, 2020
    Publication date: March 4, 2021
    Inventors: Chao-Chang HU, Mao-Kuo HSU, Ching-Chieh HUANG, Guan-Yu SU, Liang-Ting HO, Che-Wei CHANG
  • Lens driving mechanism and method for controlling the same
    Patent number: 10935809
    Abstract: A lens driving mechanism is provided. The lens driving mechanism is configured to drive an optical lens, including a holder, a base, a first elastic element, and a first biasing element. The optical lens is disposed in a receiving space of the holder. The base has a central axis, and the holder is movable relative to the base. The first elastic element is connected to the holder and the base. The first biasing element exerts a force on the holder so that an optical axis of the optical lens has an angular displacement relative to the central axis.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: March 2, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Yi-Liang Chan