Patents by Inventor An-Chao Chang

An-Chao Chang 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: 11938376
    Abstract: The present disclosure generally relates to sharing workout content on electronic devices.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: March 26, 2024
    Assignee: Apple Inc.
    Inventors: Anthony D'Auria, Julie A. Arney, Jae Woo Chang, Edward Chao, Nathan De Vries, Michael D. Ford, Colin G. McKinstry, Rex C. Ross
  • Patent number: 11942652
    Abstract: The disclosure provides a limit device and a robot using the same. The limit device comprises a first connecting member, a transmission rod and a second connecting member. The first connecting member comprising a first main body portion and two first connecting elements. The two first connecting elements are arranged at intervals. The two first connecting elements are respectively connected to the first main body. The transmission rod comprising a first end and a second end. The first end and the second end are arranged at intervals. The first end penetrates through one of the two first connecting elements. The second end penetrates through the other one of the two first connecting element. The second connecting member provided with two indexing buckles. The two indexing buckles are arranged at intervals, each of the indexing buckles comprises a first limiting groove and a second limiting groove.
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: March 26, 2024
    Assignees: Futaijing Precision Electronics (Yantai) Co., Ltd., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Chen-Ting Kao, Chi-Cheng Wen, Yu-Sheng Chang, Chih-Cheng Lee, Chiung-Hsiang Wu, Sheng-Li Yen, Yu-Cheng Zhang, Chang-Ju Hsieh, Chen Chao
  • Publication number: 20240094600
    Abstract: An optical element driving mechanism is provided and includes a fixed assembly, a movable assembly and a first driving assembly. The movable assembly is movable relative to the fixed assembly. The first driving assembly is configured to drive the movable assembly to move relative to the fixed assembly. The optical element driving mechanism further includes a first opening, and an external light beam travels along a first axis to pass through the first opening.
    Type: Application
    Filed: September 15, 2023
    Publication date: March 21, 2024
    Inventors: Tso-Hsiang WU, Chao-Chang HU, Yung-Yun CHEN, Ya-Hsiu WU
  • Publication number: 20240094813
    Abstract: An optical system used for displaying a target image is provided. The optical system includes a light source assembly used for generating an initial image, an optical path adjustment assembly used for transferring the initial image to the target image, a control element used for providing a first control signal to the light source assembly, and a sensing assembly used for providing a sensing signal to the control element. The control element provides the first control signal based on the sensing signal.
    Type: Application
    Filed: September 14, 2023
    Publication date: March 21, 2024
    Inventors: Chih-Wei WENG, Chao-Chang HU
  • Publication number: 20240094551
    Abstract: An optical system is provided. The optical system includes a light source used for generating light, a fixed portion, an optical assembly having an equivalent focal length to the light and including a first optical element and a second optical element, and a driving assembly used for driving the second optical element to move relative to the first optical element. The driving assembly includes a first driving element used for driving the second optical element to move relative to the first optical element in a first axis, and a second driving element used for driving the second optical element to move relative to the first optical element in a second axis. The first axis and the second axis are different.
    Type: Application
    Filed: September 14, 2023
    Publication date: March 21, 2024
    Inventors: Chih-Wei WENG, Chao-Chang HU
  • Publication number: 20240094542
    Abstract: An optical system is provided. The optical system includes a light source assembly, a light guiding element, and a first optical assembly. The light source assembly is used for generating first light and second light. The light guiding element is used for transporting the first light and the second light. The first optical assembly is disposed between the light guiding element and the light source assembly and used for transporting the first light and the second light. Wavelengths of the first light and the second light are different.
    Type: Application
    Filed: September 14, 2023
    Publication date: March 21, 2024
    Inventors: Chih-Wei WENG, Chao-Chang HU, Cheng-Jui CHANG, Sin-Jhong SONG
  • Patent number: 11934027
    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: Grant
    Filed: June 21, 2022
    Date of Patent: March 19, 2024
    Assignee: TDK TAIWAN CORP.
    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
  • Patent number: 11931625
    Abstract: The present disclosure generally relates to sharing workout content on electronic devices.
    Type: Grant
    Filed: September 23, 2022
    Date of Patent: March 19, 2024
    Assignee: Apple Inc.
    Inventors: Anthony D'Auria, Jae Woo Chang, Edward Chao, Nathan De Vries, Michael D. Ford, Colin G. McKinstry
  • Patent number: 11935969
    Abstract: A photodetector includes a first semiconductor layer, an absorption structure, a second semiconductor layer, and a barrier structure. The absorption structure is located on the first semiconductor layer, and having a first conduction band, a first valence band, and a first band gap. The second semiconductor layer is located on the absorption structure, and having a second conduction band, a second valence band, and a second band gap. The barrier structure is located between the absorption structure and the second semiconductor layer, and having a third conduction band, a third valence band, and a third band gap. The third conduction band is greater than the second conduction band or the third valence band is less than the second valence band.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: March 19, 2024
    Assignee: EPISTAR CORPORATION
    Inventors: Shih-Chang Lee, Shiuan-Leh Lin, I-Hung Chen, Chu-Jih Su, Chao-Shun Huang
  • Patent number: 11935981
    Abstract: A photo-detecting device includes a first semiconductor layer with a first dopant, a light-absorbing layer, a second semiconductor layer, and a semiconductor contact layer. The second semiconductor layer is located on the first semiconductor layer and has a first region and a second region, the light absorbing layer is located between the first semiconductor layer and the second semiconductor layer and has a third region and a fourth region, the semiconductor contact layer contacts the first region. The first region includes a second dopant and a third dopant, the second region includes second dopant, and the third region includes third dopant. The semiconductor contact layer has a first thickness greater than 50 ? and smaller than 1000 ?.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: March 19, 2024
    Assignee: EPISTAR CORPORATION
    Inventors: Chu-Jih Su, Chia-Hsiang Chou, Wei-Chih Peng, Wen-Luh Liao, Chao-Shun Huang, Hsuan-Le Lin, Shih-Chang Lee, Mei Chun Liu, Chen Ou
  • Publication number: 20240084148
    Abstract: The present application provides a method of preparing lithium-friendly colloid paint. The method comprises functionalizing a carbon nanotube material to obtain a plurality of carbon nanotubes with functional groups; dispersing the of carbon nanotube material with functional groups in a solution containing nitrogen molecules to from the dispersion liquid to obtain a carbon nanotube precursor; heat-treating the carbon nanotube precursors to obtain a plurality of nitrogen-doped carbon nanotubes; dispersing the plurality of nitrogen-doped carbon nanotubes in an organic solvent, and adding a dispersant obtain a nitrogen-doped carbon nanotube solution precursor; and providing a polymer material colloid and a lithium salt, and uniformly mixing the nitrogen-doped carbon nanotube solution precursor, the lithium salt and the polymer material colloid.
    Type: Application
    Filed: September 8, 2023
    Publication date: March 14, 2024
    Inventors: WEI-CHAO CHEN, PIN-HAN WANG, HONG-ZHENG LAI, TSENG-LUNG CHANG
  • Publication number: 20240088149
    Abstract: A semiconductor structure includes: a substrate; a first fin and a second fin disposed on the substrate and spaced apart from each other; a dielectric wall disposed on the substrate and having first and second wall surfaces; a third fin disposed on the substrate to be in direct contact with at least one of the first and second fins; a first device disposed on the first fin and including first channel features extending away from the first wall surface; a second device disposed on the second fin and including second channel features extending away from the second wall surface; at least one third device disposed on the third fin and including third channel features; and an isolation feature disposed on the substrate to permit the third device to be electrically isolated from the first and second devices. A method for manufacturing the semiconductor structure is also disclosed.
    Type: Application
    Filed: February 15, 2023
    Publication date: March 14, 2024
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Ta-Chun LIN, Ming-Heng TSAI, Huang-Chao CHANG, Chun-Sheng LIANG, Chih-Hao CHANG, Jhon Jhy LIAW
  • Publication number: 20240087057
    Abstract: A power consumption monitoring device includes a sensor, a storage, and a processor. The sensor is configured to detect a power-consuming device quantity and a power consumption amount. The storage is configured to store the power-consuming device quantity and the power consumption amount. The processor is communicatively connected to the sensor and the storage. The processor is configured to calculate a power-consuming device idling indicator based on the power-consuming device quantity and the power consumption amount in a monitoring time interval, wherein the power-consuming device idling indicator is used for indicating a deviation status of the power-consuming device quantity and the power consumption amount. The processor is further configured to determine whether the power-consuming device idling indicator exceeds a warning threshold. In response to the power-consuming device idling indicator exceeding the warning threshold, the processor is further configured to generate a warning message.
    Type: Application
    Filed: December 20, 2022
    Publication date: March 14, 2024
    Inventors: Wei-Chao CHEN, Ming-Chi CHANG, Chih-Pin WEI, Ke-Li WU, Hua-Hsiu CHIANG, Yu-Lun CHANG
  • Publication number: 20240087964
    Abstract: An apparatus for detecting an endpoint of a grinding process includes a connecting device, a timer and a controller. The connecting device is connected to a sensor that periodically senses an interface of a reconstructed wafer comprising a plurality of dies of at least two types to generate a thickness signal comprising thicknesses from a surface of an insulating layer of the reconstructed wafer to the interface of the reconstructed wafer. The timer is configured to generate a clock signal having a plurality of pulses with a time interval. The controller is coupled to the sensor and the timer, and configured to filter the thickness signal according to the clock signal to output a thickness extremum among the thicknesses in the thickness signal within each time interval, wherein the thickness signal after the filtering is used to determine the endpoint of the grinding process being performed on the reconstructed wafer.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 14, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yi-Chao Mao, Chin-Chuan Chang, Szu-Wei Lu
  • Patent number: 11926901
    Abstract: A method for fabricating nonenzymatic glucose sensor, which comprises steps of: (a) providing a bottom substrate; (b) preparing a graphene layer on the bottom substrate; (c) depositing plural amount of zinc oxide (ZnO) seed crystals on the graphene layer; (d) growing the ZnO seed crystals into columnar nanorods with hydrothermal method; (e) coating a thin film of cuprous oxide (Cu2O) on the surface of the ZnO nanorods by electrochemistry-based electrodeposition; and (f) grafting single-walled carbon nanotubes (SWCNTs) on surface of the Cu2O thin film, by using Nafion fixative composited with SWCNTs. The structure of the above sensor, therefore, comprises a bottom substrate and other components orderly assembled on it, including, from inside to outside, a graphene layer, plural amount of ZnO nanorods, a Cu2O thin film, plural amount of SWCNTs, and the Nafion fixative. Accordingly, the sensor has advantages of low cost, rapid response, and easy for preservation.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: March 12, 2024
    Assignee: NATIONAL YUNLIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Hsi-Chao Chen, Wei-Rong Su, Yun-Cheng Yeh, Chun-Hao Chang
  • Publication number: 20240080180
    Abstract: The federated learning system includes a moderator and client devices. Each client device performs a method for verifying model update as follows: receiving a hash function and a general model; training a client model according to the general model and raw data; calculating a difference as an update parameter between the general model and the client model, sending the update parameter to the moderator; inputting the update parameter to the hash function to generate a hash value; sending the hash value to other client devices, and receiving other hash values; summing all the hash values to generate a trust value; receiving an aggregation parameter calculated according to the update parameters; inputting the aggregation parameter to the hash function to generate a to-be-verified value; and updating the client model according to the aggregation parameter when the to-be-verified value equals the trust value.
    Type: Application
    Filed: December 20, 2022
    Publication date: March 7, 2024
    Inventors: Chih-Fan HSU, Wei-Chao CHEN, Jing-Lun Huang, Ming-Ching Chang, Feng-Hao Liu
  • Patent number: 11921307
    Abstract: The present disclosure provides an optical element driving mechanism, which includes a movable part, a fixed assembly, and a driving assembly. The movable part is configured to be connected to an optical element. The movable part is movable relative to the fixed assembly. The driving assembly is configured to drive the movable part to move relative to the fixed assembly. The movable part includes a connecting assembly configured to position the optical element.
    Type: Grant
    Filed: January 7, 2022
    Date of Patent: March 5, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Hsi Wang, Chao-Chang Hu, Chih-Wei Weng, Kuen-Wang Tsai, Tzu-Ying Chen
  • Patent number: 11920036
    Abstract: A rubber resin material with high dielectric constant and a metal substrate with high dielectric constant are provided. The rubber resin material with high dielectric constant includes a rubber resin composition with high dielectric constant and inorganic fillers. The rubber resin composition with high dielectric constant includes: 40 wt % to 70 wt % of a liquid rubber, 10 wt % to 30 wt % of a polyphenylene ether resin, and 20 wt % to 40 wt % of a crosslinker. A molecular weight of the liquid rubber ranges from 800 g/mol to 6000 g/mol. A dielectric constant of the rubber resin material with high dielectric constant is higher than or equal to 2.0.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: March 5, 2024
    Assignee: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Hung-Yi Chang, Chien-Kai Wei, Chia-Lin Liu
  • Patent number: 11921345
    Abstract: An optical element driving mechanism is provided in the present disclosure. The optical element driving mechanism includes a fixed portion and a movable portion. The movable portion moves relative to the fixed portion. The movable portion includes a first movable assembly and a second movable assembly. The first movable assembly is connected to a first optical element. The second movable assembly is connected to a second optical element. The first movable assembly and the second movable assembly are movable relative to each other.
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: March 5, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Hsi Wang, Chao-Chang Hu, Chih-Wei Weng
  • Publication number: 20240071362
    Abstract: In example implementations, a computing device is provided. The computing device includes a system management bus, a controller communicatively coupled to the system management bus, a noise generating component communicatively coupled to the controller, a noise cancellation codec communicatively coupled to the system management bus, and a speaker communicatively coupled to the noise cancellation codec. The operating parameters of the noise generating component are provided to the controller. The noise cancellation codec is to receive the operating parameters of the noise generating component from the controller via the system management bus and to generate a noise cancellation signal based on the operating parameters. The speaker outputs the noise cancellation signal to cancel noise generated by the noise generating component.
    Type: Application
    Filed: August 24, 2022
    Publication date: February 29, 2024
    Inventors: Chao-Wen Cheng, Tsung Yen Chen, Wen Shih Chen, Mo-Hsuan Lin, Juiching Chang