Patents by Inventor Chang-Yu Wu

Chang-Yu Wu 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: 12234440
    Abstract: An apparatus and method for the delivery and deposition of particles air-liquid-interface (ALI) cell cultures includes a sample inlet coupled to a growth tube having interior walls that are wet. The growth tube is configured to operate at a first temperature along a first length of the tube and a second temperature along a second length positioned between the first length and a growth tube outlet. The apparatus also includes a nozzle plate having a plurality of nozzles. The exposure chamber adapted to hold cell cultures at an air-liquid interface positioned underneath the plurality of nozzles and a temperature regulator adapted to control a temperature of the exposure chamber. The apparatus also includes a controller including instructions operable to cause the controller to maintain a relative humidity within the exposure chamber by controlling at least the second temperature of the growth tube and the temperature of the exposure chamber.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: February 25, 2025
    Assignees: Aerosol Dynamics Inc., University of Florida Research Foundation, Incorporated
    Inventors: Arantzazu Eiguren Fernandez, Gregory Stephen Lewis, Steven Russel Spielman, Chang-Yu Wu, Trevor Benson Tilly
  • Publication number: 20250043231
    Abstract: An apparatus and method are provided for performing detection of microorganisms (e.g., viruses) with high sensitivity. The apparatus and method are well suited for point-of-care (POC) testing in resource-limited regions and are capable of being operated with very little manual intervention and without the need for lab equipment. A variety of viruses can be detected with high sensitivity, including, for example, coronaviruses, Zika virus and flu viruses.
    Type: Application
    Filed: July 16, 2024
    Publication date: February 6, 2025
    Inventors: Zhonghui Hugh Fan, Xiao Jiang, Trevor B. Tilly, John Lednicky, Chang-Yu Wu
  • Patent number: 12071610
    Abstract: An apparatus and method are provided for performing detection of microorganisms (e.g., viruses) with high sensitivity. The apparatus and method are well suited for point-of-care (POC) testing in resource-limited regions and are capable of being operated with very little manual intervention and without the need for lab equipment. A variety of viruses can be detected with high sensitivity, including, for example, coronaviruses, Zika virus and flu viruses.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: August 27, 2024
    Assignee: UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INCORPORATED
    Inventors: Zhonghui Hugh Fan, Xiao Jiang, Trevor B. Tilly, John Lednicky, Chang-Yu Wu
  • Publication number: 20240181444
    Abstract: Provided are multiplex devices for nucleic acid detection and methods for nucleic acid detection. The device includes at least two parallel buffer units comprised of buffer wells arranged in a row. The buffer units are connected to form a multiplex device. A mixing unit is slides along a bottom of each buffer unit to align with each buffer well in turn. When the mixing unit is aligned with a buffer well, a ball valve releases buffer from the buffer well into the mixing well. The device includes a detection unit removably coupled to the bottom of each mixing unit to receive fluids from the mixing well.
    Type: Application
    Filed: September 15, 2022
    Publication date: June 6, 2024
    Inventors: Zhonghui Hugh Fan, Carlos Manzanas, Morteza Alipanahrostami, John A. Lednicky, Chang-Yu Wu
  • Patent number: 11845997
    Abstract: Described herein are bioaerosol detection systems and methods of use. In embodiments of bioaerosol detection systems and methods of use as described herein, systems and methods detect one or more coronaviruses and/or one or more influenza strains. In embodiments, coronaviruses according to systems and methods as described herein are SARS-CoV-2 coronavirus. In embodiments, influenza strains and/or particles according to the present disclosure are H1N1 influenza.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: December 19, 2023
    Assignee: University of Florida Research Foundation, Inc.
    Inventors: Chang-Yu Wu, Xiao Jiang, Maohua Pan, John Lednicky, Alexandros Demetrios Theodore, Zhonghui Hugh Fan, Nima Afshar Mohajer
  • Publication number: 20230072698
    Abstract: A device includes a single standard cell. The single standard cell includes a first transistor region including a first extended active region extending between a first side cell boundary and a second side cell boundary opposite the first side cell boundary, and includes a plurality of source regions and one drain region. The single standard cell further includes a second transistor region including a second extended active region extending between the first side cell boundary and the second side cell boundary, and includes a source region and a single drain region.
    Type: Application
    Filed: November 14, 2022
    Publication date: March 9, 2023
    Inventors: Lee-Chung LU, Li-Chun TIEN, Hui-Zhong ZHUANG, Chang-Yu WU
  • Patent number: 11304272
    Abstract: A lighting system includes: a power supply circuit, an AC-DC converter circuit and a wireless communication module. The wireless communication module receives an external command from a wireless communication device and generates an adjustment command according to the received external command. The adjustment command includes a luminance adjustment command and a driving power control command. The power supply circuit includes a power stage and a conversion controller circuit. The conversion controller circuit supplies a adjustable output voltage to the wireless communication module, to power the wireless communication module. The conversion controller circuit controls the power stage according to the luminance adjustment command, to adjust an output current of an output power, thereby adjusting the luminance of a light emission device.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: April 12, 2022
    Assignee: RICHTEK TECHNOLOGY CORPORATION
    Inventors: Wei-Hsu Chang, Chang-Yu Wu
  • Patent number: 11152923
    Abstract: A flip-flop circuit includes a first latch, a second latch and a trigger circuit. The first latch is configured to set a first output signal based on at least a first input signal and a clock signal. The second latch is configured to set a second output signal based on a second input signal and the clock signal. The trigger circuit is coupled with the first latch and the second latch. The trigger circuit is configured to generate the second input signal based on at least the second output signal. The trigger circuit is configured to cause the second input signal to have a first voltage swing or a second voltage swing based on the first output signal and the second output signal. The first voltage swing is different from the second voltage swing.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: October 19, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chi-Lin Liu, Shang-Chih Hsieh, Lee-Chung Lu, Chang-Yu Wu
  • Publication number: 20210230533
    Abstract: An apparatus and method are provided for performing detection of microorganisms (e.g., viruses) with high sensitivity. The apparatus and method are well suited for point-of-care (POC) testing in resource-limited regions and are capable of being operated with very little manual intervention and without the need for lab equipment. A variety of viruses can be detected with high sensitivity, including, for example, coronaviruses, Zika virus and flu viruses.
    Type: Application
    Filed: January 4, 2021
    Publication date: July 29, 2021
    Inventors: Zhonghui Hugh Fan, Xiao Jiang, Trevor B. Tilly, John Lednicky, Chang-Yu Wu
  • Publication number: 20210102265
    Abstract: Described herein are bioaerosol detection systems and methods of use. In embodiments of bioaerosol detection systems and methods of use as described herein, systems and methods detect one or more coronaviruses and/or one or more influenza strains. In embodiments, coronaviruses according to systems and methods as described herein are SARS-CoV-2 coronavirus. In embodiments, influenza strains and/or particles according to the present disclosure are H1N1 influenza.
    Type: Application
    Filed: November 25, 2020
    Publication date: April 8, 2021
    Inventors: Chang-Yu WU, Xiao JIANG, Maohua PAN, John LEDNICKY, Alexandros Demetrios THEODORE, Zhonghui Hugh FAN, Nima AFSHAR MOHAJER
  • Publication number: 20210029791
    Abstract: A lighting system includes: a power supply circuit, an AC-DC converter circuit and a wireless communication module. The wireless communication module receives an external command from a wireless communication device and generates an adjustment command according to the received external command. The adjustment command includes a luminance adjustment command and a driving power control command. The power supply circuit includes a power stage and a conversion controller circuit. The conversion controller circuit supplies a adjustable output voltage to the wireless communication module, to power the wireless communication module. The conversion controller circuit controls the power stage according to the luminance adjustment command, to adjust an output current of an output power, thereby adjusting the luminance of a light emission device.
    Type: Application
    Filed: April 9, 2020
    Publication date: January 28, 2021
    Inventors: Wei-Hsu Chang, Chang-Yu Wu
  • Publication number: 20200407675
    Abstract: An apparatus and method for the delivery and deposition of particles air-liquid-interface (ALI) cell cultures includes a sample inlet coupled to a growth tube having interior walls that are wet. The growth tube is configured to operate at a first temperature along a first length of the tube and a second temperature along a second length positioned between the first length and a growth tube outlet. The apparatus also includes a nozzle plate having a plurality of nozzles. The exposure chamber adapted to hold cell cultures at an air-liquid interface positioned underneath the plurality of nozzles and a temperature regulator adapted to control a temperature of the exposure chamber. The apparatus also includes a controller including instructions operable to cause the controller to maintain a relative humidity within the exposure chamber by controlling at least the second temperature of the growth tube and the temperature of the exposure chamber.
    Type: Application
    Filed: June 25, 2020
    Publication date: December 31, 2020
    Inventors: Arantzazu Eiguren Fernandez, Gregory Stephen Lewis, Steven Russel Spielman, Chang-Yu Wu, Trevor Benson Tilly
  • Patent number: 10859473
    Abstract: Described herein are bioaerosol detection systems and methods of use.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: December 8, 2020
    Assignee: University of Florida Research Foundation, Inc.
    Inventors: Chang-Yu Wu, Xiao Jiang, Maohua Pan, John Lednicky, Alexandros Demetrios Theodore, Zhonghui Hugh Fan, Nima Afshar Mohajer
  • Publication number: 20190363701
    Abstract: A flip-flop circuit includes a first latch, a second latch and a trigger circuit. The first latch is configured to set a first output signal based on at least a first input signal and a clock signal. The second latch is configured to set a second output signal based on a second input signal and the clock signal. The trigger circuit is coupled with the first latch and the second latch. The trigger circuit is configured to generate the second input signal based on at least the second output signal. The trigger circuit is configured to cause the second input signal to have a first voltage swing or a second voltage swing based on the first output signal and the second output signal. The first voltage swing is different from the second voltage swing.
    Type: Application
    Filed: August 12, 2019
    Publication date: November 28, 2019
    Inventors: Chi-Lin LIU, Shang-Chih HSIEH, Lee-Chung LU, Chang-Yu WU
  • Patent number: 10476275
    Abstract: The present invention provides a multi-load control apparatus, a slave circuit and a control method thereof. The multi-load control apparatus includes a master circuit and at least one slave circuit. The master circuit generates at least one pulse width modulation (PWM) signal according to an input signal. The slave circuit controls a power switch according to a corresponding PWM signal. The slave circuit has a primary side circuit and a secondary side circuit. The primary side circuit generates an AC PWM signal according to the corresponding PWM signal. The power switch has a control terminal which is driven according to a floating ground level which is not a constant voltage level. The power switch has a current inflow terminal and a current outflow terminal, which are connected to a corresponding load circuit in series, wherein the series circuit of the power switch and the load circuit receives an AC voltage.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: November 12, 2019
    Assignee: RICHTEK TECHNOLOGY CORPORATION
    Inventors: Chang-Yu Wu, Yi-Wei Lee
  • Patent number: 10382018
    Abstract: A flip-flop circuit includes a first latch, a second latch and a trigger circuit. The first latch is configured to set a first output signal based on a first input signal and a clock signal. The second latch is configured to set a second output signal based on a second input signal and the clock signal. The trigger circuit is coupled with the first latch and the second latch. The trigger circuit is configured to generate the second input signal based on at least the second output signal. The trigger circuit is configured to cause the second input signal to have different voltage swings based on the first output signal and the second output signal. The trigger circuit includes a logic circuit coupled to at least the first latch or the second latch. The logic circuit is configured to output the second output signal.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: August 13, 2019
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chi-Lin Liu, Shang-Chih Hsieh, Lee-Chung Lu, Chang-Yu Wu
  • Publication number: 20190154550
    Abstract: Described herein are bioaerosol detection systems and methods of use.
    Type: Application
    Filed: April 6, 2017
    Publication date: May 23, 2019
    Inventors: Chang-Yu WU, Xiao JIANG, Maohua PAN, John LEDNICKY, Alexandros Demetrios THEODORE, Zhonghui Hugh FAN, Nima AFSHAR MOHAJER
  • Patent number: 10177958
    Abstract: A one-to-multi multimedia stream method separately gets video and audio sources form the video and audio chips of a mobile device and reanalyzes related source data to correct the timestamp of video and audio data to ensure the synchronization of the output video and audio. Thus the incapability caused by not synchronized audio and video in stream decoding server can be solved. The present invention is configured to retrieve video and audio via mobile device without ffmpeg open source kits for format transformation, which greatly reduces operation and power consumption of CPU of mobile phone, and the mobile device can proceed one-to-multi video and audio transmission to a plurality of multimedia stream servers simultaneously.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: January 8, 2019
    Assignee: DA SHENG INC.
    Inventors: Chang-Yu Wu, Shun-Hsiang Hsu, Yao-Chung Hsu, Chi-Hung Wu
  • Patent number: 10171001
    Abstract: An AC-to-DC power converter includes a rectifier for generating a rectified voltage based on an AC voltage; an input capacitor coupled between the rectifier and a fixed-voltage terminal; a first inductive element; a first auxiliary capacitor; a first switch coupled between the input capacitor and the first inductive element; a second switch coupled between the first inductive element and the fixed-voltage terminal; a circuitry node; an auxiliary switch for coupling between the circuitry node and the first auxiliary capacitor or between the first auxiliary capacitor and the fixed-voltage terminal; a first diode; a second diode; a control signal generating circuit for controlling the first switch and the second switch; and an auxiliary switch control circuit for controlling the auxiliary switch.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: January 1, 2019
    Assignee: RICHTEK TECHNOLOGY CORPORATION
    Inventors: Chang-Yu Wu, Tzu-Chen Lin
  • Patent number: RE49331
    Abstract: A set of masks corresponds to an integrated circuit layout. The integrated circuit layout includes a first cell having a first transistor region and a second transistor region, and a second cell having a third transistor region and a fourth transistor region. The first cell and the second cell adjoin each other at side cell boundaries thereof, the first transistor region and the third transistor region are formed in a first continuous active region, and the second transistor region and the fourth transistor region are formed in a second continuous active region. The set of masks is formed based on the integrated circuit layout.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: December 13, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Lee-Chung Lu, Li-Chun Tien, Hui-Zhong Zhuang, Chang-Yu Wu