Patents by Inventor Chih-Yuan Hsu

Chih-Yuan Hsu 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: 12038682
    Abstract: An optical system is provided and includes a fixed assembly, a movable element and a driving module. The fixed assembly has a main axis. The movable element is movable relative to the fixed assembly and coupled to a first optical element. The driving module is configured to drive the movable element to move relative to the fixed assembly. The driving module includes a first driving assembly and a second driving assembly, and the first driving assembly and the second driving assembly are individually operable.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: July 16, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Che-Wei Chang, Chih-Wen Chiang, Chen-Er Hsu, Fu-Yuan Wu, Shou-Jen Liu, Chih-Wei Weng, Mao-Kuo Hsu, Hsueh-Ju Lu, Che-Hsiang Chiu
  • Patent number: 12040235
    Abstract: A dummy gate electrode and a dummy gate dielectric are removed to form a recess between adjacent gate spacers. A gate dielectric is deposited in the recess, and a barrier layer is deposited over the gate dielectric. A first work function layer is deposited over the barrier layer. A first anti-reaction layer is formed over the first work function layer, the first anti-reaction layer reducing oxidation of the first work function layer. A fill material is deposited over the first anti-reaction layer.
    Type: Grant
    Filed: July 21, 2022
    Date of Patent: July 16, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chia-Ching Lee, Hsin-Han Tsai, Shih-Hang Chiu, Tsung-Ta Tang, Chung-Chiang Wu, Hung-Chin Chung, Hsien-Ming Lee, Da-Yuan Lee, Jian-Hao Chen, Chien-Hao Chen, Kuo-Feng Yu, Chia-Wei Chen, Chih-Yu Hsu
  • Publication number: 20240203109
    Abstract: A computer vision vehicle locating fusion method includes: receiving an instant driving image from a camera, extracting multiple image features from the instant driving image and the multiple image features being extracted with the pre-stored feature sets in the storage device to fuse an inertial measurement parameter and the pre-stored satellite locating coordinate corresponding to one of the pre-stored feature sets that best matches the instant driving image to generate a first candidate coordinate; using the one satellite measurement coordinate received from a satellite locating device as a second candidate coordinate; calculating a first difference between the first candidate coordinate and an estimated reference coordinate, and calculating a second difference between the second candidate coordinate and the estimated reference coordinate; and determining and outputting the first candidate coordinate or the second candidate coordinate that has the smaller difference with the estimated reference coordinate.
    Type: Application
    Filed: December 20, 2022
    Publication date: June 20, 2024
    Applicant: AUTOMOTIVE RESEARCH & TESTING CENTER
    Inventors: Chih-Yuan HSU, Te-Hsiang WANG, You-Sian LIN
  • Patent number: 11991840
    Abstract: This disclosure is directed to an electronic device having a casing, a circular frame, and a display. A panel is arranged on one side of the casing, a circular opening is defined on the panel, and a first fixing structure is arranged on an inner edge of the circular opening. The circular frame is rotatably arranged in the circular opening to close the circular opening, a second fixing structure is arranged on an outer edge of the circular frame, and the second fixing structure is limited by the first fixing structure. The display is embedded in the circular frame and exposed on the panel, so that the display is rotatable according to various placing positions of the casing.
    Type: Grant
    Filed: January 3, 2022
    Date of Patent: May 21, 2024
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Chia-Yuan Lin, Chih-Yuan Hsu, Chung-Chieh Cheng
  • Patent number: 11792358
    Abstract: A video transmitting circuit and a signal delay compensation method thereof are provided. The video transmitting circuit transmits a specific signal through a first transmission path and a second transmission path to a video receiver during a calibration mode. In the calibration mode, a return detection circuit of the video transmitting circuit detects whether or not a first return signal transmitted through the first transmission path and a second return signal transmitted through the second transmission path have been received by the video transmitting circuit. The video transmitting circuit sets delay circuits serially connected in the first or second transmission path according to a detection result of the return detection circuit, such that the first return signal transmitted through the first transmission path and the second return signal transmitted through the second transmission path can synchronously arrive at the video receiver.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: October 17, 2023
    Assignee: ALI CORPORATION
    Inventors: Fong-Shen Wong, Jian-Shiang Fang, Chih-Yuan Hsu
  • Patent number: 11762409
    Abstract: The disclosure provides a voltage regulator with a soft-start effect. The voltage regulator includes an amplifier, a first voltage setting circuit, a voltage selector and a power transistor. The amplifier has two input terminals to receive respectively a reference voltage and a feedback voltage. The amplifier has a current source to provide a current to an output terminal. In a voltage bypass mode, the first voltage setting circuit increases a driving voltage on the output terminal according to the current based on a selection voltage. In the voltage bypass mode, the voltage selector sequentially reduces the selection voltage respectively in multiple time intervals in a startup time interval. The power transistor receives the driving voltage, and generates an output voltage according to the driving voltage based on an operating power supply.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: September 19, 2023
    Assignee: ALi Corporation
    Inventors: Chih-Yuan Hsu, Andrew Yang Lee
  • Patent number: 11747844
    Abstract: A voltage regulator including an amplifier, a start signal generator and a power transistor is provided. The amplifier has a first positive input terminal, a second positive input terminal, and a negative input terminal to receive a start signal, a reference voltage and a feedback voltage respectively. An output terminal of the amplifier generates a driving voltage. The start signal generator is coupled to the first positive input terminal of the amplifier and generates the start signal, which is incremental, during a startup time interval in a voltage bypass mode. The power transistor generates an output voltage according to the driving voltage based on an operating power. In the voltage bypass mode, the reference voltage is equal to the operating power. A soft-start effect can be effectively achieved by the voltage regulator in the voltage bypass mode.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: September 5, 2023
    Assignee: ALi Corporation
    Inventors: Chih-Yuan Hsu, Chien-Yuan Lu
  • Publication number: 20230268186
    Abstract: A method of producing an epitaxial semiconductor wafer includes measuring one or more epitaxial semiconductor wafers to determine an epitaxial deposition layer profile produced by an epitaxy apparatus. The method also includes polishing a semiconductor wafer using a polishing assembly and measuring the polished semiconductor wafer to determine a surface profile of the polished wafer. The method further includes generating a predicted post-epitaxy surface profile of the polished wafer by comparing the surface profile of the polished wafer and the determined epitaxial deposition layer profile produced by the epitaxy apparatus. The method also includes determining a predicted post-epitaxy parameter based on the predicted post-epitaxy surface profile and adjusting, based on the predicted post-epitaxy parameter, a process condition of the polishing assembly.
    Type: Application
    Filed: February 13, 2023
    Publication date: August 24, 2023
    Inventors: Chih-Yuan Hsu, Chun-Chin TU, Yau-Ching Yang, Shih-Chiang Chen
  • Patent number: 11703899
    Abstract: A voltage regulator, including an amplifier, a voltage setting circuit and a power transistor, is provided. The amplifier includes a first current source and a second current source. The amplifier has two input terminals to respectively receive a reference voltage and a feedback voltage. The first current source is coupled between the operating power source and an output terminal of the amplifier, and provides a first current to the output terminal. The second current source is coupled between the output terminal and a reference ground terminal, and draws a second current from the output terminal. The voltage setting circuit is coupled to the output terminal, and increases a driving voltage on the output terminal according to the first current in a voltage bypass mode. The power transistor receives the driving voltage and generates an output voltage according to the driving voltage based on the operating power source.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: July 18, 2023
    Assignee: ALi Corporation
    Inventors: Chih-Yuan Hsu, Andrew Yang Lee
  • Publication number: 20230201994
    Abstract: A polishing head assembly for polishing of semiconductor wafers includes a polishing head and a cap. The polishing head has a recess along a bottom portion. The recess has a recessed surface. The cap is positioned within the recess. The cap includes an annular wall secured to the polishing head and a floor joined to the annular wall at a joint. The floor extends across the annular wall, and the floor has an upper surface and a lower surface. The upper surface is spaced from the recessed surface to form a chamber therebetween. A deformation resistance of a portion of the floor proximate the joint is weakened to allow the portion of the floor proximate the joint to deflect relative to the polishing head by a change of pressure in the chamber.
    Type: Application
    Filed: December 14, 2022
    Publication date: June 29, 2023
    Inventors: Chih Yuan Hsu, Jen Chieh Lin, Chieh Hu, Wei Chang Huang, Yau-Ching Yang
  • Publication number: 20230058284
    Abstract: This disclosure is directed to an electronic device having a casing, a circular frame, and a display. A panel is arranged on one side of the casing, a circular opening is defined on the panel, and a first fixing structure is arranged on an inner edge of the circular opening. The circular frame is rotatably arranged in the circular opening to close the circular opening, a second fixing structure is arranged on an outer edge of the circular frame, and the second fixing structure is limited by the first fixing structure. The display is embedded in the circular frame and exposed on the panel, so that the display is rotatable according to various placing positions of the casing.
    Type: Application
    Filed: January 3, 2022
    Publication date: February 23, 2023
    Inventors: Chia-Yuan LIN, Chih-Yuan HSU, Chung-Chieh CHENG
  • Publication number: 20230050743
    Abstract: A method for manufacturing an electronic device is provided, the method includes: providing an inspection module to inspect a first area of the electronic device to obtain a first information and inspect a second area of the electronic device to obtain a second information; transmitting the first information and the second information to a processing system; comparing the first information and the second information to obtain a difference; and transmitting a correction information to a first process machine via a first interface system. When the difference is greater than or equal to -2 and less than or equal to 2, the first process machine is started to produce. An electronic device is also provided.
    Type: Application
    Filed: October 26, 2021
    Publication date: February 16, 2023
    Applicant: Innolux Corporation
    Inventors: Chih-Yuan Hsu, Kuang-Ming Fan, Wen-Hsiang Liao
  • Publication number: 20220410340
    Abstract: A polishing head assembly for polishing of semiconductor wafers includes a polishing head and a cap. The polishing head has a top portion and a recess along a bottom portion. The recess has a recessed surface. Holes extend from the top portion through the recessed surface. The cap is positioned within the recess and the cap has an annular wall and a floor extending across the annular wall. The annular wall has apertures corresponding to the holes. The floor is spaced from the recessed surface to form a chamber therebetween. The polishing head assembly also includes a band that circumscribes a portion of the annular wall. The holes and the corresponding apertures receive fasteners to removably secure the annular wall to the recessed surface.
    Type: Application
    Filed: June 10, 2022
    Publication date: December 29, 2022
    Inventors: Peter Daniel Albrecht, Chih Yuan Hsu, Jen Chieh Lin, Wei Chang Huang, Yau-Ching Yang
  • Patent number: 11517276
    Abstract: A carrier positioning device includes a carrying base (100) and a carrier (200). A clamp (110) is arranged on the carrying base (100) and a protruding hook (113) protrudes from one side of a distal end (111) of the clamp (110). The carrier (200) has a pipe (210), and a joint (220) is disposed at one end of the pipe (210). The protruding hook (113) hooks one side of the joint (220) so that at least another portion of the carrier (200) is in contact with the carrying base (100). Accordingly, the carrier (200) can be quickly installed or be removed along a lateral direction.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: December 6, 2022
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Chih-Yuan Hsu, Yi-Da Tsai
  • Patent number: 11511380
    Abstract: A method for capturing a tool path, applicable to a machine tool having a controller and furnished with a tooling, includes the steps of: obtaining a data update frequency of the controller; calculating a feed rate of the controller, determining whether or not the feed rate is obtained, going to next step if positive, and going to the previous step if negative; reading G-codes of the controller to confirm the feed rate; and, based on the confirmed feed rate, recording machine coordinates transmitted from the controller for synthesizing a tool path file. The tool path file is used for simulation and analysis of machining of the machine tool. In addition, a device for capturing the tool path is also provided.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: November 29, 2022
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yu-Ling Chang, Chih-Yuan Hsu, Guo-Wei Wang, Yu-An Tseng, Yung-Sheng Chang, Bei-Hua Yang, Chia-Chun Li, Shuo-Peng Liang
  • Publication number: 20220147085
    Abstract: The disclosure provides a voltage regulator with a soft-start effect. The voltage regulator includes an amplifier, a first voltage setting circuit, a voltage selector and a power transistor. The amplifier has two input terminals to receive respectively a reference voltage and a feedback voltage. The amplifier has a current source to provide a current to an output terminal. In a voltage bypass mode, the first voltage setting circuit increases a driving voltage on the output terminal according to the current based on a selection voltage. In the voltage bypass mode, the voltage selector sequentially reduces the selection voltage respectively in multiple time intervals in a startup time interval. The power transistor receives the driving voltage, and generates an output voltage according to the driving voltage based on an operating power supply.
    Type: Application
    Filed: October 5, 2021
    Publication date: May 12, 2022
    Applicant: ALi Corporation
    Inventors: Chih-Yuan Hsu, Andrew Yang Lee
  • Publication number: 20220147084
    Abstract: A voltage regulator, including an amplifier, a voltage setting circuit and a power transistor, is provided. The amplifier includes a first current source and a second current source. The amplifier has two input terminals to respectively receive a reference voltage and a feedback voltage. The first current source is coupled between the operating power source and an output terminal of the amplifier, and provides a first current to the output terminal. The second current source is coupled between the output terminal and a reference ground terminal, and draws a second current from the output terminal. The voltage setting circuit is coupled to the output terminal, and increases a driving voltage on the output terminal according to the first current in a voltage bypass mode. The power transistor receives the driving voltage and generates an output voltage according to the driving voltage based on the operating power source.
    Type: Application
    Filed: October 5, 2021
    Publication date: May 12, 2022
    Applicant: ALi Corporation
    Inventors: Chih-Yuan Hsu, Andrew Yang Lee
  • Publication number: 20220147080
    Abstract: A voltage regulator including an amplifier, a start signal generator and a power transistor is provided. The amplifier has a first positive input terminal, a second positive input terminal, and a negative input terminal to receive a start signal, a reference voltage and a feedback voltage respectively. An output terminal of the amplifier generates a driving voltage. The start signal generator is coupled to the first positive input terminal of the amplifier and generates the start signal, which is incremental, during a startup time interval in a voltage bypass mode. The power transistor generates an output voltage according to the driving voltage based on an operating power. In the voltage bypass mode, the reference voltage is equal to the operating power. A soft-start effect can be effectively achieved by the voltage regulator in the voltage bypass mode.
    Type: Application
    Filed: November 4, 2021
    Publication date: May 12, 2022
    Applicant: ALi Corporation
    Inventors: Chih-Yuan Hsu, Chien-Yuan Lu
  • Publication number: 20220046204
    Abstract: A video transmitting circuit and a signal delay compensation method thereof are provided. The video transmitting circuit transmits a specific signal through a first transmission path and a second transmission path to a video receiver during a calibration mode. In the calibration mode, a return detection circuit of the video transmitting circuit detects whether or not a first return signal transmitted through the first transmission path and a second return signal transmitted through the second transmission path have been received by the video transmitting circuit. The video transmitting circuit sets delay circuits serially connected in the first or second transmission path according to a detection result of the return detection circuit, such that the first return signal transmitted through the first transmission path and the second return signal transmitted through the second transmission path can synchronously arrive at the video receiver.
    Type: Application
    Filed: July 30, 2021
    Publication date: February 10, 2022
    Inventors: FONG-SHEN WONG, JIAN-SHIANG FANG, CHIH-YUAN HSU
  • Patent number: 11128284
    Abstract: A control circuit for controlling signal rising time and falling time is provided. The circuit includes multiple data flip-flops, multiple controllable delay circuits, and multiple current source circuits. The data flip-flops are triggered by clock signals to output a plurality of data signals. The controllable delay circuits delay the data signals, based on corresponding delay amounts, to generate a plurality of activation signals. Each of the current source circuits determines whether to output a unit current to a signal output terminal according to a level of one of the activation signals. Rising or falling time for an output signal of the signal output terminal to rise or fall to a predetermined level is determined according to a cycle time length of the clock signal and the delay amount of each of the controllable delay circuits.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: September 21, 2021
    Assignee: ALi Corporation
    Inventor: Chih-Yuan Hsu