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).

  • 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
  • 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
  • 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
  • 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
  • Patent number: 10887498
    Abstract: An optical member driving mechanism for driving an optical member is provided, including a fixed portion, a movable portion, and a driving module. The movable portion can support the aforementioned optical member, and the driving module can drive the movable portion to rotate relative to the fixed portion around a rotating axis, wherein the rotating axis is different from the optical axis of the optical member. The driving module includes a first electromagnetic driving assembly and a second electromagnetic driving assembly, and the optical axis is disposed therebetween. The first electromagnetic driving assembly and the second electromagnetic driving assembly are disposed on a side of the movable portion, and are electrically independent.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: January 5, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan
  • Publication number: 20200393641
    Abstract: 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: Application
    Filed: April 10, 2020
    Publication date: December 17, 2020
    Inventors: Chao-Chang HU, Shu-Shan CHEN, Chen-Hsien FAN, Yueh-Lin LEE, Yu-Chiao LO, Sung-Mao TSAI, Shang-Hung CHEN
  • Publication number: 20200393667
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed portion, a movable portion, and a driving assembly. The fixed portion includes a limiting portion. The movable portion is movably disposed on the fixed portion and includes an optical element and a connecting assembly. The optical element has a main axis. The connecting assembly is connected to the optical element. The driving assembly is at least partially disposed on the fixed portion, wherein the limiting portion is used for limiting the range of motion of the movable portion relative to the fixed portion.
    Type: Application
    Filed: April 9, 2020
    Publication date: December 17, 2020
    Inventors: Chao-Hsi WANG, Chao-Chang HU, Chih-Wei WENG, Kuen-Wang TSAI
  • Publication number: 20200393635
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed portion, a movable portion, and a driving assembly. The fixed portion includes a main axis. The movable portion is movably disposed on the fixed portion. The movable portion is connected to an optical element. The driving assembly is used for driving the movable portion to move relative to the fixed portion.
    Type: Application
    Filed: June 12, 2020
    Publication date: December 17, 2020
    Inventors: Chao-Chang HU, Shu-Shan CHEN, Chen-Hsien FAN
  • Publication number: 20200393642
    Abstract: An optical element driving mechanism is provided and includes a fixed assembly, a movable assembly, a driving assembly and a stopping assembly. The fixed assembly has a main axis. The movable assembly is configured to connect an optical element, and 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. The stopping assembly is configured to limit the movement of the movable assembly relative to the fixed assembly within a range of motion.
    Type: Application
    Filed: June 12, 2020
    Publication date: December 17, 2020
    Inventors: Chao-Chang HU, Liang-Ting HO, Chen-Er HSU, Yi-Liang CHAN, Fu-Lai TSENG, Fu-Yuan WU, Chen-Chi KUO, Ying-Jen WANG, Wei-Han HSIA, Yi-Hsin TSENG, Wen-Chang LIN, Chun-Chia LIAO, Shou-Jen LIU, Chao-Chun CHANG, Yi-Chieh LIN, Shang-Yu HSU, Yu-Huai LIAO, Shih-Wei HUNG, Sin-Hong LIN, Kun-Shih LIN, Yu-Cheng LIN, Wen-Yen HUANG, Wei-Jhe SHEN, Chih-Shiang WU, Sin-Jhong SONG, Che-Hsiang CHIU, Sheng-Chang LIN
  • Publication number: 20200393636
    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 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 disposed on the fixed portion or the movable portion. The driving assembly is used to drive the movable portion to move relative to the fixed portion. The movable portion is connected to the fixed portion through the support element.
    Type: Application
    Filed: April 9, 2020
    Publication date: December 17, 2020
    Inventors: Chao-Chang HU, Sung-Mao TSAI, Chia-Che WU
  • Publication number: 20200393640
    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.
    Type: Application
    Filed: April 10, 2020
    Publication date: December 17, 2020
    Inventors: Chao-Chang HU, Shu-Shan CHEN, Chen-Hsien FAN, Yueh-Lin LEE, Yu-Chiao LO, Sung-Mao TSAI, Shang-Hung CHEN
  • Publication number: 20200393637
    Abstract: An optical system is provided. The optical system includes a first optical module. The first optical module includes a fixed portion, a movable portion, a driving assembly, and a circuit assembly. The movable portion is movably connected to the fixed portion, and the movable portion is used to connect to an optical element. The driving assembly is used to drive the movable portion to move relative to the fixed portion. The circuit assembly is electrically connected to the driving assembly.
    Type: Application
    Filed: June 12, 2020
    Publication date: December 17, 2020
    Inventors: Jungsuck RYOO, Pai-Jui CHENG, Chao-Chang HU, Min-Hsiu TSAI, Shu-Shan CHEN, Chieh-An CHANG
  • Publication number: 20200393639
    Abstract: 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: Application
    Filed: April 9, 2020
    Publication date: December 17, 2020
    Inventors: Chao-Chang HU, Shu-Shan CHEN, Chen-Hsien FAN, Yueh-Lin LEE, Yu-Chiao LO, Sung-Mao TSAI, Shang-Hung CHEN
  • Patent number: 10866385
    Abstract: An optical system is provided and includes a fixed part, a first optical member holder, a second optical member holder and a first driving assembly. The first optical member holder is configured to hold a first optical member and is disposed over the fixed part. The second optical member holder is configured to hold a second optical member and is movably connected to the first optical member holder. The first driving assembly is configured to drive the first optical member holder to move relative to the fixed part.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: December 15, 2020
    Assignee: TDK Taiwan Corp.
    Inventors: Chao-Chang Hu, Chih-Wei Weng, Shao-Kuang Huang, Sin-Jhong Song
  • Publication number: 20200379271
    Abstract: A lens driving device is provided, including a base, a holder, a first driving mechanism disposed on the first side of the base, a second driving mechanism disposed on the second side of the base opposite the first side, and a conductive member disposed on the base. The holder is configured to sustain a lens. The first driving mechanism is configured to force the holder to move along the optical axis of the lens. The second driving mechanism includes a circuit board assembly and a shape memory alloy (SMA) wire assembly configured to force the base to move in the plane perpendicular to the optical axis. The conductive member and the circuit board assembly are connected at an electrical connection point, and the SMA wire assembly is closer to the light-incident end of the lens with respect to the electrical connection point.
    Type: Application
    Filed: August 14, 2020
    Publication date: December 3, 2020
    Inventors: Chao-Chang HU, Chen-Chi KUO
  • Patent number: 10852458
    Abstract: A camera device is provided, including a liquid lens, a deforming member, and a first driving module. The deforming member is disposed adjacent to the liquid lens, and the first driving module can generate relative motion between the liquid lens and the deforming member. In response to the adjustment of the distance between the liquid lens and the deforming member, the deforming member deforms the liquid lens.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: December 1, 2020
    Assignee: TDK Taiwan Corp.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Chih-Wei Weng
  • Publication number: 20200371319
    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: Application
    Filed: August 14, 2020
    Publication date: November 26, 2020
    Inventors: Chao-Chang HU, Chen-Hsien FAN, Cheng-Kai YU, Chih-Wei WENG, Shu-Shan CHEN
  • Publication number: 20200363699
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed portion, a movable portion, and a driving assembly. The movable portion is movably disposed on the fixed portion. The driving assembly is disposed on the fixed portion and drives the movable portion to move relative to the fixed portion.
    Type: Application
    Filed: April 8, 2020
    Publication date: November 19, 2020
    Inventors: Chao-Hsi WANG, Chao-Chang HU, Kuen-Wang TSAI, Chih-Wei WENG, Sin-Jhong SONG
  • Patent number: 10833558
    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: Grant
    Filed: December 4, 2017
    Date of Patent: November 10, 2020
    Assignee: TDK Taiwan Corp.
    Inventors: Chao-Chang Hu, Che-Wei Chang
  • Publication number: 20200348488
    Abstract: A driving mechanism for supporting an optical member is provided, including a fixed module, a movable module, a driving module disposed therebetween, and an elastic member. The driving module can drive the movable module to rotate around a first rotation axis relative to the fixed module. The elastic member includes a first connecting portion connected to the movable module, a second connecting portion connected to the fixed module, a first string portion connected to the first connecting portion, and a first buffer portion connected to the first string portion. The first string portion is disposed on the first rotation axis. The longitudinal axis of the first string portion is parallel to the first rotation axis. The first buffer portion has wave-shaped structure.
    Type: Application
    Filed: July 20, 2020
    Publication date: November 5, 2020
    Inventors: Liang-Ting HO, Cheng-Kai YU, Chao-Chang HU, Chih-Wei WENG, Che-Wei CHANG