Patents by Inventor Chih-Hsiung Chang

Chih-Hsiung 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: 20240143264
    Abstract: Disclosed is a wireless transmission system, including a mobile electronic device with first screen information, a computer with second screen information, and a docking station coupled to the computer. When accommodating the mobile electronic device, the docking station transmits an electrical signal to the mobile electronic device, wherein the computer confirms that the mobile electronic device is located on the docking station according to a Bluetooth Low Energy signal sent by the mobile electronic device, the computer transmits Wi-Fi service set identification information to the mobile electronic device through a Bluetooth Low Energy protocol, the computer and the mobile electronic device are connected to the same Wi-Fi access point, and the mobile electronic device sends the first screen information back to the computer. Accordingly, the problem that the computer and the mobile electronic device cannot transmit data or screen information to each other through a transmission line is solved.
    Type: Application
    Filed: July 21, 2023
    Publication date: May 2, 2024
    Applicant: Lanto Electronic Limited
    Inventors: Chih-Hsiung CHANG, Chia-Ching LIN
  • Patent number: 11961892
    Abstract: A semiconductor device and methods of forming the same are disclosed. The semiconductor device includes a substrate, first and second source/drain (S/D) regions, a channel between the first and second S/D regions, a gate engaging the channel, and a contact feature connecting to the first S/D region. The contact feature includes first and second contact layers. The first contact layer has a conformal cross-sectional profile and is in contact with the first S/D region on at least two sides thereof. In embodiments, the first contact layer is in direct contact with three or four sides of the first S/D region so as to increase the contact area. The first contact layer includes one of a semiconductor-metal alloy, an III-V semiconductor, and germanium.
    Type: Grant
    Filed: June 10, 2022
    Date of Patent: April 16, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Carlos H. Diaz, Chung-Cheng Wu, Chia-Hao Chang, Chih-Hao Wang, Jean-Pierre Colinge, Chun-Hsiung Lin, Wai-Yi Lien, Ying-Keung Leung
  • Publication number: 20240086612
    Abstract: An IC device includes first through third rows of fin field-effect transistors (FinFETs), wherein the second row is between and adjacent to each of the first and third rows, the FinFETs of the first row are one of an n-type or p-type, the FinFETs of the second and third rows are the other of the n-type or p-type, the FinFETs of the first and third rows include a first total number of fins, and the FinFETs of the second row include a second total number of fins one greater or fewer than the first total number of fins.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 14, 2024
    Inventors: Po-Hsiang HUANG, Fong-Yuan CHANG, Clement Hsingjen WANN, Chih-Hsin KO, Sheng-Hsiung CHEN, Li-Chun TIEN, Chia-Ming HSU
  • Patent number: 11929417
    Abstract: A semiconductor device and methods of forming the same are disclosed. The semiconductor device includes a substrate, first and second source/drain (S/D) regions, a channel between the first and second S/D regions, a gate engaging the channel, and a contact feature connecting to the first S/D region. The contact feature includes first and second contact layers. The first contact layer has a conformal cross-sectional profile and is in contact with the first S/D region on at least two sides thereof. In embodiments, the first contact layer is in direct contact with three or four sides of the first S/D region so as to increase the contact area. The first contact layer includes one of a semiconductor-metal alloy, an III-V semiconductor, and germanium.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: March 12, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Carlos H. Diaz, Chung-Cheng Wu, Chia-Hao Chang, Chih-Hao Wang, Jean-Pierre Colinge, Chun-Hsiung Lin, Wai-Yi Lien, Ying-Keung Leung
  • Patent number: 11920244
    Abstract: The application discloses examples of a device housing of an electronic device including a magnesium-alloy substrate. The device housing further including a treatment layer applied over the magnesium-alloy substrate and a metallic coating layer applied over the treatment layer to provide a metallic luster. Further, a paint coating layer is disposed over a first portion of the metallic coating layer. Further, a top coating layer is applied over the paint coating layer and a visible second portion of the metallic coating layer.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: March 5, 2024
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Chi-Hao Chang, Ya-Ting Yeh, Kuan-Ting Wu, Chih-Hsiung Liao
  • Publication number: 20230104518
    Abstract: A method for pre-processing geometric model data of a 3D modeling software for deep learning includes steps of: determining a size of a virtual grid that is visualized as a cube based on a smallest value of dimension among values of dimension of objects; generating an empty tensor that is visualized as a cuboid consisting of the virtual grids; assigning an initial value to each of the virtual grids of the empty tensor; replacing the initial value of each of those of the virtual grids with a pre-determined identification attribute value that corresponds uniquely to the property of the corresponding one of the at least one geometric object, so as to generate a 3D geometric model tensor to be used as an input for deep learning; and saving the 3D geometric model tensor in a database in a predefined format.
    Type: Application
    Filed: September 27, 2022
    Publication date: April 6, 2023
    Inventors: I-Chen WU, Chi-Chang LIU, Chih-Hsiung CHANG
  • Patent number: 11526203
    Abstract: A method for switching a power mode of a computer device is adapted to a computer accessory. The method comprises setting a power management mode of the computer device to be awakened when connected to the external power; connecting the computer accessory to a host connector of the computer device to establish a power connection and a communication connection through a host signal pin set of the host connector; through the power connection and the communication connection, detecting and determining the power mode of the computer device; and executing one of following steps upon receiving the switch signal: when the power mode is the normal operation state, transmitting a communication signal; when the power mode is the Suspend-To-RAM state, transmitting a wake up signal; and when the power mode is the Suspend-To-Disk state or the shutdown state, temporarily cutting off the external power and then restoring the external power.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: December 13, 2022
    Assignee: LUXSHARE-ICT CO., LTD.
    Inventors: Sean P. O'Neal, Erh-Tai Tsai, Quan-Fei Ning, Chih-Hsiung Chang, Ya-Ling Huang
  • Publication number: 20220364862
    Abstract: The present disclosure provides a geomagnetic positioning device, comprising a base assembly and a connecting assembly. The base assembly comprises a control component, a driving component, and a first geomagnetic component. The control component is electrically connected with the driving component and the first geomagnetic component. The connecting assembly is disposed at the driving component and comprises a second geomagnetic component. Wherein the control component obtains the deviation angle of the second geomagnetic component relative to the first geomagnetic component. The control component controls the driving component according to the deviation angle to adjust the relative angle of the connecting assembly relative to the base assembly.
    Type: Application
    Filed: October 8, 2021
    Publication date: November 17, 2022
    Applicant: LUXSHARE-ICT CO., LTD.
    Inventors: Chih-Hsiung CHANG, Sheng-Wen WU
  • Patent number: 11455012
    Abstract: A power-governing method is for a USB docking station. The USB docking station includes a connector, ports, output-monitoring circuits, and a control circuit. The connector connects to a master device and has a power supply channel. The ports connect to power-receiving devices. The output-monitoring circuits correspond to the ports. The output-monitoring circuits selectively connect the power supply channel to the corresponding ports. Each the output-monitoring circuit has an upper limit power value. Each the output-monitoring circuit obtains a current output power of the corresponding port. The output-monitoring circuit disconnects the connection between the corresponding port and the power supply channel when the current output power is greater than its upper limit power value. The control circuit has rated power values corresponding to the ports. The control circuit sets upper limit power values according to the rated power values, current output powers, and a power supply option of the master device.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: September 27, 2022
    Assignee: LUXSHARE-ICT CO., LTD.
    Inventors: Chih-Hsiung Chang, Chan-Yao Yeh, Wu-Chiang Yen, Ya-Ling Huang
  • Publication number: 20220236784
    Abstract: A method for switching a power mode of a computer device is adapted to a computer accessory. The method comprises setting a power management mode of the computer device to be awakened when connected to the external power; connecting the computer accessory to a host connector of the computer device to establish a power connection and a communication connection through a host signal pin set of the host connector; through the power connection and the communication connection, detecting and determining the power mode of the computer device; and executing one of following steps upon receiving the switch signal: when the power mode is the normal operation state, transmitting a communication signal; when the power mode is the Suspend-To-RAM state, transmitting a wake up signal; and when the power mode is the Suspend-To-Disk state or the shutdown state, temporarily cutting off the external power and then restoring the external power.
    Type: Application
    Filed: May 27, 2021
    Publication date: July 28, 2022
    Applicant: LUXSHARE-ICT CO., LTD.
    Inventors: Sean P. O'Neal, Erh-Tai Tsai, Quan-Fei Ning, Chih-Hsiung Chang, Ya-Ling Huang
  • Publication number: 20220157998
    Abstract: A display device is provided. The display device includes a substrate, a channel layer, a first metal layer, and a second metal layer. The channel layer is disposed on the substrate and includes a first channel layer and a second channel layer. The first metal layer is disposed on the channel layer and includes a first gate and a second gate. The second metal layer is disposed over the first metal layer and includes a first source, a first drain, and a second source. The first gate, the first source, the first drain, and the first channel layer form a first transistor. The second gate, the second source, the first drain, and the second channel layer form a second transistor. The first transistor and the second transistor are connected in parallel.
    Type: Application
    Filed: October 19, 2021
    Publication date: May 19, 2022
    Inventors: Chin-Lung TING, Cheng-Hsu CHOU, Ming-Chun TSENG, Yun-Sheng CHEN, Chih-Hsiung CHANG, Liang-Lu CHEN
  • Publication number: 20210165451
    Abstract: A power-governing method is for a USB docking station. The USB docking station includes a connector, ports, output-monitoring circuits, and a control circuit. The connector connects to a master device and has a power supply channel. The ports connect to power-receiving devices. The output-monitoring circuits correspond to the ports. The output-monitoring circuits selectively connect the power supply channel to the corresponding ports. Each the output-monitoring circuit has an upper limit power value. Each the output-monitoring circuit obtains a current output power of the corresponding port. The output-monitoring circuit disconnects the connection between the corresponding port and the power supply channel when the current output power is greater than its upper limit power value. The control circuit has rated power values corresponding to the ports. The control circuit sets upper limit power values according to the rated power values, current output powers, and a power supply option of the master device.
    Type: Application
    Filed: February 18, 2020
    Publication date: June 3, 2021
    Applicant: LUXSHARE-ICT CO., LTD.
    Inventors: Chih-Hsiung Chang, Chan-Yao Yeh, Wu-Chiang Yen, Ya-Ling Huang
  • Publication number: 20210149471
    Abstract: A method for waking up a notebook computer is adapted to a computer accessory. The notebook computer includes a host connector including a power receiving. The method includes setting a power management mode of the notebook computer to be awakened when connected to the external power, to switch a power state of the notebook computer from a waiting to be awakened state to a normal operation state; connecting the computer accessory to the host connector to establish a power connection through the power receiving pin and deliver an external power to the notebook computer; temporarily cutting off the external power by the computer accessory and then restoring the external power; when the power state of the notebook computer is the waiting to be awakened state, performing a wake-up operation with the notebook computer to switch to the power state to be the normal operation.
    Type: Application
    Filed: January 27, 2021
    Publication date: May 20, 2021
    Applicant: LUXSHARE-ICT CO., LTD.
    Inventors: Sean P. O'Neal, Erh-Tai Tsai, Quan-Fei Ning, Chih-Hsiung Chang, Ya-Ling Huang
  • Publication number: 20200086268
    Abstract: A gas purifying apparatus is used to receive chemical liquid mixing with a gas, and used to clean the gas. The gas purifying apparatus includes a plurality of liquid status detection sensors, a plurality of gas status detection sensors, a plurality of pumping motors, a gas driving motor and a controller. The liquid status detection sensors are disposed in a chemical liquid transmission path, and detect a plurality of liquid status information of the chemical liquid. The gas status detection sensors are disposed in a gas transmission path, and detect a plurality of gas status information of the gas. The controller performs an operation on the liquid status information and the gas status information to adjust a first setting value and a second setting value. The first setting value and the second setting value are respectively used to drive the pumping motors and the gas driving motor.
    Type: Application
    Filed: April 12, 2019
    Publication date: March 19, 2020
    Inventors: Chih-Hui Su, Tien-Hua Li, Chih-Hsiung Chang, Sheng-Wen Wang, Ming-Chin Tsai
  • Patent number: 10467169
    Abstract: Present disclosure relates to a HID switch with security function that permits sharing of peripherals between multiple computers in a multi-network computer system. The HID switch is configured to connect at least one user input peripheral device and at least two host computers. The HID switch incudes a first directing module and a second directing module, wherein the two directing modules are physically isolated. The passages directed to the two directing modules are controlled by a physical peripheral selector. The physical peripheral selector is configured to selectively enable the first passage and the second passage, wherein only one of the first and second passages is enabled at a time. When one of the first or the second passages is enabled, there is only one host computer is electrically connected to the user input peripheral device via one of the directing modules.
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: November 5, 2019
    Assignee: I/O INTERCONNECT, LTD.
    Inventors: Chih-Hsiung Chang, Kun-Yuan Lin
  • Patent number: 10386930
    Abstract: A depth determining method and a depth determining device of an operating body are provided. The depth determining method includes following steps: deriving a first image and a second image that include the operating body from the at least two image capturing units respectively to calculate a first width of the operating body and a first displacement distance of the operating body between the first image and the second image in a first time point; deriving the first image and the second image that include the operating body from the at least two image capturing units respectively to calculate a second width of the operation body in a second time point; and calculating displacement depth of operating body between the first time point and the second time point by a transform function according to the first displacement distance and a different between the first width and the second width.
    Type: Grant
    Filed: January 8, 2016
    Date of Patent: August 20, 2019
    Assignee: Wistron Corporation
    Inventors: Sheng-Hsien Hsieh, Chih-Hsiung Chang, Shou-Te Wei
  • Patent number: 10366037
    Abstract: Present disclosure relates to a method for managing a docking device and the docking device thereof. The docking device is configured with a processor and at least two coupling ports. The method comprises following steps: electrically coupling a computer and/or at least one peripheral device to the at least two coupling ports respectively; retrieving a plurality of characteristic profiles by the processor, wherein each of the characteristic profiles is retrieved from each of the at least two coupling ports; receiving, by the processor, an input signal from the computer or the at least one peripheral device; and changing the characteristic profiles based on the input signal by the processor.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: July 30, 2019
    Assignee: I/O INTERCONNECT, LTD.
    Inventors: Johnny Hsiang-Yu Chen, Chih-Hsiung Chang, Tsung-Min Chen, Hsiang-Ling Wang
  • Publication number: 20180198296
    Abstract: A hand-held electronic apparatus, a charging system, a connector and a charging management method thereof are provided. The charging management method includes: detecting a detection temperature on a charging port of the hand-held electronic apparatus, wherein the charging port is coupled to a power adapter; starting an alert mode when the detection temperature exceeds a threshold; measuring variation of the detection temperature according to a preset cycle in the alert mode; setting an over-temperature flag according to the variation of the detection temperature in the alert mode; and making the power adapter stop providing a charging voltage according to the over-temperature flag.
    Type: Application
    Filed: January 10, 2017
    Publication date: July 12, 2018
    Applicant: HTC Corporation
    Inventors: Kun-Da He, Chih-Hsiung Chang, Shih-Ping Lin, Chuan-Li Wu, Chia-Ming Chang, Ming-Tse Yen, Pin-Hsuan Chang, Chun-Wei Lin
  • Publication number: 20180101496
    Abstract: Present disclosure relates to a HID switch with security function that permits sharing of peripherals between multiple computers in a multi-network computer system. The HID switch is configured to connect at least one user input peripheral device and at least two host computers. The HID switch incudes a first directing module and a second directing module, wherein the two directing modules are physically isolated. The passages directed to the two directing modules are controlled by a physical peripheral selector. The physical peripheral selector is configured to selectively enable the first passage and the second passage, wherein only one of the first and second passages is to enabled at a time. When one of the first or the second passages is enabled, there is only one host computer is electrically connected to the user input peripheral device via one of the directing modules.
    Type: Application
    Filed: October 6, 2017
    Publication date: April 12, 2018
    Inventors: Chih-Hsiung CHANG, Kun-Yuan LIN
  • Publication number: 20180032465
    Abstract: Present disclosure relates to a method for providing graphical panel of a docking device and the docking device thereof. The method includes following steps: electrically coupling the docking device having ports to a first device having a display, wherein some indicators corresponding to the ports are provided on the docking device; and providing a graphical panel having a first contour corresponding to a second contour of the docking device, wherein some virtual indicators are positioned on the graphical panel corresponding to the visual indicators.
    Type: Application
    Filed: October 11, 2017
    Publication date: February 1, 2018
    Inventors: Chih-Hsiung CHANG, Hsiang-Ling WANG