Patents by Inventor Liang-Ting HO

Liang-Ting HO 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).

  • Publication number: 20210143720
    Abstract: A vibration module is provided, having a main axis passing through the center of the vibration module, including a fixed part and a first vibration part. The first vibration part is disposed within the fixed part. The first vibration part includes a first moving member and a first driving assembly. The first driving assembly drives the first moving member to move relative to the fixed part.
    Type: Application
    Filed: August 28, 2020
    Publication date: May 13, 2021
    Inventors: Chao-Chang HU, Liang-Ting HO, Che-Wei CHANG
  • Publication number: 20210143718
    Abstract: A vibration module is provided, having a main axis passing through the center of the vibration module. The vibration module includes a fixed part and a first vibration part. The first vibration part is disposed within the fixed part. The first vibration part includes a first moving member and a first driving assembly. The first driving assembly drives the first moving member to move along the main axis relative to the fixed part.
    Type: Application
    Filed: August 28, 2020
    Publication date: May 13, 2021
    Inventors: Chao-Chang HU, Liang-Ting HO, Che-Wei CHANG
  • Publication number: 20210132328
    Abstract: A driving mechanism is provided, including a polygonal base unit, a holder, a first driving assembly, a sensing magnet, and a magnetic field sensor. The polygonal base unit includes a substrate and a circuit board disposed on the substrate. The holder is movably connected to the base unit, wherein the holder is configured to hold an optical element that defines an optical axis. The first driving assembly is configured to drive the holder to move relative to the base unit. The sensing magnet is disposed on the holder. The magnetic field sensor is configured to detect the sensing magnet, wherein the magnetic field sensor is accommodated in a recess of the substrate.
    Type: Application
    Filed: January 13, 2021
    Publication date: May 6, 2021
    Inventors: Chao-Chang HU, Liang-Ting HO, Sin-Jhong SONG
  • Publication number: 20210135706
    Abstract: A transceiver circuit includes an ADC and an echo-cancellation circuit, wherein the echo-cancellation circuit includes a steady circuit, a transient circuit and an output circuit. In the operations of the transceiver circuit, the ADC is configured to perform an analog-to-digital conversion operation on an analog input signal to generate a digital input signal. The steady circuit is configured to generate a steady echo response according to a transmitting signal. The transient circuit is configured to generate an echo response adjustment signal according to a phase change of a clock signal used by the transmitting signal. The output circuit is configured to generate an output signal according to the digital input signal, the steady echo response, and the echo response adjustment signal.
    Type: Application
    Filed: October 23, 2020
    Publication date: May 6, 2021
    Inventors: Hsuan-Ting Ho, Liang-Wei Huang
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • Patent number: 10866394
    Abstract: An optical system is provided, including a first optical module, a second optical module, and an optical path adjusting mechanism. The first and second optical modules are respectively configured to sustain a first optical element and a second optical element which respectively have a first optical axis and a second optical axis perpendicular to each other. The first optical module has a first electromagnetic driving assembly. The optical path adjusting mechanism, disposed between the first and second optical modules, allows light to enter the second optical module which includes an optical path adjusting unit and a second electromagnetic driving assembly which are arranged in the incident direction of light.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: December 15, 2020
    Assignee: TDK Taiwan Corp.
    Inventors: Cheng-Kai Yu, Liang-Ting Ho, Shu-Shan Chen
  • 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
  • Publication number: 20200336639
    Abstract: A photosensitive element driving mechanism includes a fixed assembly, a first movable assembly and a first driving assembly. The first movable assembly is movable relative to the fixed assembly, and the first movable assembly is configured to be connected to a photosensitive element. The photosensitive element corresponds to an optical element. The first driving assembly is configured to drive the first movable assembly to move relative to the fixed assembly. The first movable assembly includes a heat dissipation structure corresponding to the first driving assembly, the optical element or the photosensitive element.
    Type: Application
    Filed: April 17, 2020
    Publication date: October 22, 2020
    Inventors: Chao-Chang HU, Liang-Ting HO
  • Publication number: 20200333554
    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 circuit unit. The movable portion is movably connected to the fixed portion, and holds an optical element. The driving assembly drives the movable portion to move relative to the fixed portion. The circuit unit includes a base, a plate-connecting portion, and a layer-connecting portion. The plate-connecting portion is partially embedded in the base. The layer-connecting portion is disposed on the base. The driving assembly is electrically connected to the layer-connecting portion. The thickness of the plate-connecting portion is different from the thickness of the layer-connecting portion.
    Type: Application
    Filed: February 24, 2020
    Publication date: October 22, 2020
    Inventors: Chao-Chang HU, Liang-Ting HO, You-Zhen LIN, Sin-Jhong SONG
  • Publication number: 20200271947
    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: Application
    Filed: February 25, 2020
    Publication date: August 27, 2020
    Inventors: Chao-Chang HU, Liang-Ting HO, Sin-Jhong SONG
  • Patent number: 10754124
    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: Grant
    Filed: November 17, 2017
    Date of Patent: August 25, 2020
    Assignee: TDK TAIWAN CORP.
    Inventors: Liang-Ting Ho, Cheng-Kai Yu, Chao-Chang Hu, Chih-Wei Weng, Che-Wei Chang
  • Publication number: 20200249424
    Abstract: A driving mechanism for moving an optical element is provided, including a fixed part, a movable part, a driving assembly, and a flexible element. The movable part is connected to the optical element. The driving assembly drives the movable part to move relative to the fixed part. The flexible element is connected to the fixed part and the movable part. When the movable part moves relative to the fixed part, the flexible element deforms so that the position of the movable part relative to the fixed part can be detected.
    Type: Application
    Filed: January 31, 2020
    Publication date: August 6, 2020
    Inventors: Liang-Ting HO, Chao-Chang HU, Yung-Hsien YEH, Sin-Jhong SONG
  • Publication number: 20200241315
    Abstract: An optical module is provided. The optical module includes a first optical element driving mechanism. The first optical element driving mechanism includes a first movable portion, a first fixed portion, and a first driving assembly. The first movable portion connects an optical path adjustment element. The optical path adjustment element is configured to change a transmission direction of incident light to a first direction that is different from the transmission direction. The first fixed potion is polygonal when viewed in the transmission direction. The first movable portion is movable relative to the first fixed portion. The first driving assembly drives the first movable portion to move relative to the first fixed portion. The first driving assembly comprises a shape memory alloy.
    Type: Application
    Filed: April 14, 2020
    Publication date: July 30, 2020
    Inventors: Chao-Chang HU, Shu-Shan CHEN, Chen-Hsien FAN, Liang-Ting HO