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
    Patent number: 11550112
    Abstract: An optical system is provided. The optical system includes a first optical module and a second optical module. The first optical module is used for connected to a first optical element. The second optical module is used for connected to a second optical element. A light enters the first optical module along an incident direction, and the light is adjusted by the first optical module to enter the second optical module along a first direction. The incident direction is not parallel with the first direction.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: January 10, 2023
    Assignee: TDK TAIWAN CORP.
    Inventors: Jungsuck Ryoo, Chao-Chang Hu, Shu-Shan Chen, Min-Hsiu Tsai, Chieh-An Chang
  • OPTICAL ELEMENT DRIVING MECHANISM
    Publication number: 20220413248
    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 comprising an optical element. The optical element moves in a 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. 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, and the positioning element comprises a main body and a limiting portion extending from the main body in a second direction that is perpendicular to the first direction. The limiting portion passes through the optical element.
    Type: Application
    Filed: September 7, 2022
    Publication date: December 29, 2022
    Inventors: Chao-Hsi WANG, Chao-Chang HU, Chih-Wei WENG, He-Ling CHANG
  • Optical element driving mechanism
    Patent number: 11536923
    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: Grant
    Filed: April 9, 2020
    Date of Patent: December 27, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Hsi Wang, Chao-Chang Hu, Chih-Wei Weng, Kuen-Wang Tsai
  • Thin-plate-typed rotating module
    Patent number: 11536983
    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: December 12, 2020
    Date of Patent: December 27, 2022
    Inventors: Cheng Kai Yu, Chao Chang Hu, Chih Wei Weng
  • DRIVING MECHANISM
    Publication number: 20220397804
    Abstract: A driving mechanism is provided, including a fixed part, a movable part connected to the fixed part, a first connecting member, and a first wire. The first connecting member is hinged to the fixed part and connected to the movable part. The first wire has SMA material and is connected between the fixed part and the first connecting member. When the first wire contracts in length, the first connecting member rotates relative to the fixed part, and the movable part is driven to move relative to the fixed part.
    Type: Application
    Filed: June 9, 2022
    Publication date: December 15, 2022
    Inventors: Ying-Jen WANG, Ya-Hsiu WU, Yi-Ho CHEN, Chao-Chang HU
  • DRIVING MECHANISM
    Publication number: 20220399486
    Abstract: A driving mechanism is provided, including a base, a movable module, and a driving assembly. The movable module has a movable member and a connecting member connected to the movable member. The driving assembly is connected to the base and the connecting member. The driving assembly has a driving element that generates a driving force to the connecting member and the movable member, so that the movable module moves relative to the base.
    Type: Application
    Filed: October 29, 2021
    Publication date: December 15, 2022
    Inventors: Hsiao-Hsin HU, Shu-Shan CHEN, Chao-Chang HU, Pai-Jui CHENG, Chieh-An CHANG
  • OPTICAL ELEMENT DRIVING MECHANISM
    Publication number: 20220397737
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a first holder, a fixed portion, a first driving assembly, and a first stopping assembly. The first holder is used for connecting to an optical element. The first holder is movable relative to the fixed portion. The first driving assembly is used for driving the first holder to move relative to the fixed portion. The first stopping assembly is used for restricting the movable range of the first holder relative to the fixed portion.
    Type: Application
    Filed: January 25, 2022
    Publication date: December 15, 2022
    Inventors: Hsiao-Hsin HU, Shu-Shan CHEN, Chao-Chang HU, Pai-Jui CHENG, Chieh-An CHANG
  • OPTICAL ELEMENT DRIVING MECHANISM
    Publication number: 20220390706
    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: August 16, 2022
    Publication date: December 8, 2022
    Inventors: Chao-Chang HU, Liang-Ting HO, Sin-Jhong SONG
  • Optical device
    Patent number: 11520160
    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. The first driving assembly is located on a first side of the first fixed portion when viewed in the transmission direction.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: December 6, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Shu-Shan Chen, Chen-Hsien Fan, Liang-Ting Ho
  • Camera module and method for controlling the same
    Patent number: 11516397
    Abstract: A camera module is provided, disposed in an electronic device, including a base, a holder, an image sensor, a bottom, and a first biasing element. The base is fixed to a casing of the electronic device. The holder is configured to hold an optical lens and connects to the base. The image sensor is supported by the bottom. The base is situated between the holder and the bottom. The first biasing element connects to the bottom and the base, and forces the bottom and the image sensor to move relative to the base.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: November 29, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Yi-Liang Chan
  • Optical mechanism
    Patent number: 11509801
    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: Grant
    Filed: December 7, 2020
    Date of Patent: November 22, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan
  • Feedback system
    Patent number: 11507187
    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: Grant
    Filed: August 28, 2020
    Date of Patent: November 22, 2022
    Assignee: TDK Taiwan Corp.
    Inventors: Chao-Chang Hu, Mao-Kuo Hsu, Ching-Chieh Huang, Guan-Yu Su, Liang-Ting Ho, Che-Wei Chang
  • Distance measuring device and optical mechanism thereof
    Patent number: 11500065
    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: Grant
    Filed: December 15, 2020
    Date of Patent: November 15, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Shu-Shan Chen, Chao-Chang Hu, Chih-Wei Weng, Sin-Jhong Song
  • 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: 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: 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