Patents by Inventor Chao-Wei Chang

Chao-Wei 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).

  • Publication number: 20240176093
    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: Application
    Filed: February 5, 2024
    Publication date: May 30, 2024
    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: 11978664
    Abstract: A method includes forming a first conductive feature over a semiconductor substrate, forming an ILD layer over the first conductive feature, patterning the ILD layer to form a trench, and forming a conductive layer over the patterned ILD layer to fill the trench. The method further includes polishing the conductive layer to form a via contact configured to interconnect the first conductive feature with a second conductive feature, where polishing the conductive layer exposes a top surface of the ILD layer, polishing the exposed top surface of the ILD layer, such that a top portion of the via contact protrudes from the exposed top surface of the ILD layer, and forming the second conductive feature over the via contact, such that the top portion of the via contact extends into the second conductive feature.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: May 7, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Pang-Sheng Chang, Chao-Hsun Wang, Kuo-Yi Chao, Fu-Kai Yang, Mei-Yun Wang, Li-Chieh Wu, Chun-Wei Hsu
  • Patent number: 11968817
    Abstract: A semiconductor device includes a fin structure. A source/drain region is formed on the fin structure. A first gate structure is disposed over the fin structure. A source/drain contact is disposed over the source/drain region. The source/drain contact has a protruding segment that protrudes at least partially over the first gate structure. The source/drain contact electrically couples together the source/drain region and the first gate structure.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: April 23, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Jui-Lin Chen, Chao-Yuan Chang, Ping-Wei Wang, Fu-Kai Yang, Ting Fang, I-Wen Wu, Shih-Hao Lin
  • Publication number: 20240126327
    Abstract: The present disclosure provides an electronic wearable device. The electronic wearable device includes a first module having a first contact and a second module having a second contact. The first contact is configured to keep electrical connection with the second contact in moving with respect to each other during a wearing period.
    Type: Application
    Filed: October 14, 2022
    Publication date: April 18, 2024
    Applicant: Advanced Semiconductor Engineering, Inc.
    Inventors: Chao Wei LIU, Wei-Hao CHANG, Yung-I YEH, Jen-Chieh KAO, Tun-Ching PI, Ming-Hung CHEN, Hui-Ping JIAN, Shang-Lin WU
  • 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
  • Publication number: 20240069299
    Abstract: An optical element driving mechanism includes a movable assembly, a fixed assembly, and a driving assembly. The movable assembly is configured to be connected to an optical element. 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 in a range of motion. The optical element driving mechanism further includes a positioning assembly configured to position the movable assembly at a predetermined position relative to the fixed assembly when the driving assembly is not operating.
    Type: Application
    Filed: November 9, 2023
    Publication date: February 29, 2024
    Inventors: Chao-Chang HU, Kuen-Wang TSAI, Liang-Ting HO, Chao-Hsi WANG, Chih-Wei WENG, He-Ling CHANG, Che-Wei CHANG, Sheng-Zong CHEN, Ko-Lun CHAO, Min-Hsiu TSAI, Shu-Shan CHEN, Jungsuck RYOO, Mao-Kuo HSU, Guan-Yu SU
  • Patent number: 11764451
    Abstract: A waveguide structure includes a dielectric layer, a plurality of circuit layers, a plurality of insulation layers, and a conductor connection layer. The dielectric layer has an opening. The circuit layers are disposed on the dielectric layer. The insulation layers and the circuit layers are alternately stacked. The conductor connection layer covers an outer wall of the opening in a direction perpendicular to the circuit layers and connects at least two circuit layers on two opposite sides of the opening. At least the conductor connection layer and a part of the circuit layers define an air cavity for transmitting signals at a position corresponding to the opening.
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: September 19, 2023
    Assignee: Subtron Technology Co., Ltd.
    Inventors: Jenn-Hwan Tarng, Nai-Chen Liu, Yin-Kai Lin, Tsung-Han Lee, Chao-Wei Chang
  • Publication number: 20210384618
    Abstract: A waveguide structure includes a dielectric layer, a plurality of circuit layers, a plurality of insulation layers, and a conductor connection layer. The dielectric layer has an opening. The circuit layers are disposed on the dielectric layer. The insulation layers and the circuit layers are alternately stacked. The conductor connection layer covers an outer wall of the opening in a direction perpendicular to the circuit layers and connects at least two circuit layers on two opposite sides of the opening. At least the conductor connection layer and a part of the circuit layers define an air cavity for transmitting signals at a position corresponding to the opening.
    Type: Application
    Filed: January 20, 2021
    Publication date: December 9, 2021
    Applicant: Subtron Technology Co., Ltd.
    Inventors: Jenn-Hwan Tarng, Nai-Chen Liu, Yin-Kai Lin, Tsung-Han Lee, Chao-Wei Chang
  • Publication number: 20200167253
    Abstract: A method for remote diagnosis for hardware, generating a trigger command by a remote management device comprising a plurality of candidate commands for triggering a baseboard management controller when the remote management device receives a user command, and sending a executing command to a BIOS by the triggered baseboard management controller; performing a diagnosis process and generating a diagnosis message according to the diagnosis process based on a boot code of the BIOS by the server, and then sending the diagnosis message to the baseboard management controller by the BIOS. Storing the diagnosis message by the baseboard management controller, and sending a feedback command to the remote management device after the baseboard management controller stores the diagnosis message, and then generating a feedback message by the remote management device.
    Type: Application
    Filed: December 13, 2018
    Publication date: May 28, 2020
    Applicants: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATION
    Inventors: Chao-Wei CHANG, Wen-Chiang FAN, Shan-Heng WU
  • Patent number: 9826305
    Abstract: An audio device includes a digital-to-analog converter, an amplifier, a speaker, a power management unit and a temperature sensor. The digital-to-analog converter is configured to convert a digital audio signal into an analog audio signal. The amplifier is coupled to the digital-to-analog converter and configured to amplify the analog audio signal and generate an amplified analog audio signal. The speaker is coupled to the amplifier and configured to broadcast the amplified analog audio signal. The power management unit is configured to provide the amplifier with a first working voltage and provide the digital-to-analog converter with a second working voltage. The temperature sensor is coupled to the speaker and configured to generate a temperature detection signal according to a temperature of the speaker. Wherein, the power management unit adjusts at least one of the first working voltage and the second working voltage according to the temperature detection signal.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: November 21, 2017
    Assignee: Realtek Semiconductor Corp.
    Inventors: Yi-Chang Tu, Chao-Wei Chang, Ming-Cheng Chiang
  • Publication number: 20150263684
    Abstract: An audio device includes a digital-to-analog converter, an amplifier, a speaker, a power management unit and a temperature sensor. The digital-to-analog converter is configured to convert a digital audio signal into an analog audio signal. The amplifier is coupled to the digital-to-analog converter and configured to amplify the analog audio signal and generate an amplified analog audio signal. The speaker is coupled to the amplifier and configured to broadcast the amplified analog audio signal. The power management unit is configured to provide the amplifier with a first working voltage and provide the digital-to-analog converter with a second working voltage. The temperature sensor is coupled to the speaker and configured to generate a temperature detection signal according to a temperature of the speaker. Wherein, the power management unit adjusts at least one of the first working voltage and the second working voltage according to the temperature detection signal.
    Type: Application
    Filed: March 11, 2015
    Publication date: September 17, 2015
    Inventors: Yi-Chang TU, Chao-Wei CHANG, Ming-Cheng CHIANG
  • Patent number: 9110843
    Abstract: A rack including a rack management controller and a plurality of server nodes, is disclosed. The rack management controller receives a firmware updating file, and generates an updating message according to the firmware updating file. Each of the plurality of server nodes includes a memory and a baseboard management controller. The memory stores firmware of a basic input output system. The baseboard management controller is coupled to the rack management controller and the memory. The baseboard management controller receives the updating message to download the firmware updating file from the rack management controller and to stores it to a storage space. The baseboard management controller controls the memory to enter a recovery mode after downloading the firmware updating file, and writes the firmware updating file into the memory to update the firmware of the basic input output system.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: August 18, 2015
    Assignees: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATION
    Inventors: Kuo-Shu Chiu, Chao-Wei Chang, Jo-Yu Chang
  • Publication number: 20140123121
    Abstract: A rack including a rack management controller and a plurality of server nodes, is disclosed. The rack management controller receives a firmware updating file, and generates an updating message according to the firmware updating file. Each of the plurality of server nodes includes a memory and a baseboard management controller. The memory stores firmware of a basic input output system. The baseboard management controller is coupled to the rack management controller and the memory. The baseboard management controller receives the updating message to download the firmware updating file from the rack management controller and to stores it to a storage space. The baseboard management controller controls the memory to enter a recovery mode after downloading the firmware updating file, and writes the firmware updating file into the memory to update the firmware of the basic input output system.
    Type: Application
    Filed: March 14, 2013
    Publication date: May 1, 2014
    Applicants: INVENTEC CORPORATION, Inventec (Pudong) Technology Corporation
    Inventors: Kuo-Shu Chiu, Chao-Wei Chang, Jo-Yu Chang