Patents by Inventor Wen Chi

Wen Chi 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: 11899977
    Abstract: A method for performing access management of a memory device with aid of serial number assignment timing control and associated apparatus are provided. The method includes: managing a plurality of spare blocks with a spare pool; popping a first block from the spare pool to be a host data block, and performing first subsequent operations, wherein the host data block is arranged to receive data from a host device, and serial number assignment of the host data block corresponds to a timing of fully programing the host data block; and popping a second block from the spare pool to be a garbage collection (GC) destination block, and performing second subsequent operations, wherein the GC destination block is arranged to receive data from a GC source block during a GC procedure, and serial number assignment of the GC destination block corresponds to a timing of starting using the GC destination block.
    Type: Grant
    Filed: March 10, 2022
    Date of Patent: February 13, 2024
    Assignee: Silicon Motion, Inc.
    Inventors: Wen-Chi Hong, Hsin-Hsiang Tseng
  • Publication number: 20240049376
    Abstract: A power line carrying signal pixel control light emitting diode system includes a micro-control circuit, an alternating-current power detector and a plurality of light emitting diode lamps. The micro-control circuit includes a first switch and a micro-control module. When the light emitting diode lamps are required to be controlled to light, the micro-control module detects a voltage status of an alternating-current power through the alternating-current power detector. The micro-control module continuously switches a conduction status of the first switch within a half-wave cycle along a voltage change of the alternating-current power to change a voltage transmitted to the light emitting diode lamps to generate a plurality of lighting control signals. The light emitting diode lamps are configured to receive the lighting control signals and light based on the lighting control signals.
    Type: Application
    Filed: August 8, 2022
    Publication date: February 8, 2024
    Inventor: Wen-Chi PENG
  • Patent number: 11875772
    Abstract: An adaptive active noise control (ANC) system includes an ANC circuit and a control circuit. The ANC circuit generates an anti-noise signal, and includes at least one adaptive filter. The control circuit receives a first input signal derived from a reference signal output by a reference microphone that picks up ambient noise, receives a second input signal derived from an error signal output by an error microphone that picks up remnant noise resulting from noise reduction, and performs a comparison operation based on a first characteristic value of the first input signal and a second characteristic value of the second input signal to control the at least one adaptive filter.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: January 16, 2024
    Assignee: Airoha Technology Corp.
    Inventors: Chao-Ling Hsu, Li-Wen Chi
  • Publication number: 20230419915
    Abstract: A method of backlight control for a display panel is provided. The display panel is configured to display with a variable refresh rate in a plurality of frame periods each having a fixed period and a variable period. The method includes steps of: generating a first backlight control signal in the fixed period of a frame period; determining whether a liquid crystal (LC) transition time corresponding to the frame period ends before an end time of the variable period of the frame period; generating a second backlight control signal in the variable period of the frame period when the LC transition time ends before the end time of the variable period of the frame period; and generating a compensation backlight control signal in a next frame period according to a backlight duty cycle of the frame period.
    Type: Application
    Filed: June 23, 2022
    Publication date: December 28, 2023
    Applicant: NOVATEK Microelectronics Corp.
    Inventors: Po-Hsiang Huang, Chung-Wen Wu, Jiun-Yi Lin, Wen-Chi Lin
  • Publication number: 20230403037
    Abstract: Methods, systems, and apparatus for using antennas for millimeter wave contactless communication. One of the apparatuses is a communication device that includes a transducer configured to convert electrical signals into extremely high frequency (EHF) electromagnetic signals, the EHF electromagnetic signals substantially emitted from a first surface of the communication device, wherein the transducer is positioned on a substrate of the communication device, and an integrated circuit coupled to the substrate, wherein the transducer includes multiple parallel resonant antenna elements in an array.
    Type: Application
    Filed: August 28, 2023
    Publication date: December 14, 2023
    Inventors: Giriraj Mantrawadi, Bojana Zivanovic, Wen-Chi Cheng
  • Publication number: 20230403038
    Abstract: Methods, systems, and apparatus for using antennas for millimeter wave contactless communication. One of the apparatuses is a communication device that includes a transducer configured to convert electrical signals into extremely high frequency (EHF) electromagnetic signals, the EHF electromagnetic signals substantially emitted from a first surface of the communication device, wherein the transducer is positioned on a substrate of the communication device, and an integrated circuit coupled to the substrate, wherein the transducer includes multiple parallel resonant antenna elements in an array.
    Type: Application
    Filed: August 28, 2023
    Publication date: December 14, 2023
    Inventors: Giriraj Mantrawadi, Bojana Zivanovic, Wen-Chi Cheng
  • Publication number: 20230389158
    Abstract: An LED string control system includes an LED string and a control module. The control module provides a first voltage level according to a first digital logic of a light command, and provides a second voltage level according to a second digital logic of the light command to form a control signal. Based on consecutive first digital logics and/or second digital logics of the light command, the control module adjusts a voltage level of the control signal to a third voltage level as a distinction voltage level for distinguishing two consecutive first digital logics and/or two consecutive second digital logics.
    Type: Application
    Filed: December 21, 2022
    Publication date: November 30, 2023
    Inventor: Wen-Chi PENG
  • Publication number: 20230389157
    Abstract: An LED light string control system includes an LED light string, a voltage generation apparatus, and a control module. The control module controls the voltage generation apparatus to change a signal provided to the LED light string to a first voltage level according to a first logic of a light command, and changes the signal to a second voltage level according to a second logic of the light command. The control module controls the voltage generation apparatus to change the signal to a distinction voltage level once the first logics and/or the second logics of the light command appear consecutively.
    Type: Application
    Filed: May 27, 2022
    Publication date: November 30, 2023
    Inventor: Wen-Chi PENG
  • Publication number: 20230389164
    Abstract: An LED string control system includes an LED string and a control module. The LED string incudes a plurality of LED modules. The control module is coupled to the LED modules, and provides a control signal to control the LED modules to generate lighting behavior based on a light command. The light command is composed of a plurality of first digital logics and a plurality of second digital logics in a specific sequence. The control module respectively provides a plurality of first voltage levels and a plurality of second voltage levels to form the control signal based on the first digital logics and the second digital logics of the light command.
    Type: Application
    Filed: December 1, 2022
    Publication date: November 30, 2023
    Inventor: Wen-Chi PENG
  • Publication number: 20230376102
    Abstract: An electronic wake-up device and a wake-up method thereof are provided. The electronic wake-up device includes: a power switch device, an electronic device, a gravity sensor, and a wake-up circuit. The wake-up circuit is coupled to the gravity sensor and the electronic device. The wake-up circuit is configured to generate an execution signal according to a sensing activation signal, and generate an electronic device control signal according to the execution signal and a gravity signal to wake up the electronic device.
    Type: Application
    Filed: May 23, 2023
    Publication date: November 23, 2023
    Applicant: Silicon Integrated Systems Corp.
    Inventors: Wen-Chi LIN, Keng-Nan CHEN
  • Patent number: 11809711
    Abstract: A method of a flash memory controller used to be externally coupled to a host device and a flash memory, comprising: providing a multi-processor having a plurality of processing units; receiving a trim command and a logical block address (LBA) range sent from the host device; separating multiple operations of the trim command into N threads according to at least one of a number of the processing units, types of the multiple operations, numbers of execution cycles of the multiple operations, and portions of the LBA range; using the processing units to execute the N threads individually; and maximizing a number of execution cycles during which the processing units are busy.
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: November 7, 2023
    Assignee: Silicon Motion, Inc.
    Inventors: Wen-Chi Hong, Huang-Jhih Ciou
  • Publication number: 20230335104
    Abstract: The present invention relates to an active noise cancellation integrated circuit for stacking at least one anti-noise signal and at least one non-anti-noise signal, an associated method, and an active noise cancellation headphone using the same. The method is applicable to an audio playback device with at least one ANC filtering unit and at least one non-ANC filtering unit. The method includes: acquiring a non-anti-noise signal from a non-ANC filtering unit; generating a decoupled signal by processing the non-anti-noise signal with the transfer function of a physical channel and operations of an ANC filtering unit; performing a signal superposition, wherein an anti-noise signal from the ANC filtering unit is superposed with the decoupled signal; and performing an audio playback based on the superposed signal and an audio signal such that noise is eliminated.
    Type: Application
    Filed: June 19, 2023
    Publication date: October 19, 2023
    Applicant: Airoha Technology Corp.
    Inventors: Chao-Ling Hsu, Li-Wen Chi, Kai-Sheng Chen
  • Publication number: 20230335100
    Abstract: An active noise control (ANC) circuit is used for generating an anti-noise signal, and has a plurality of filters including at least one first filter and at least one second filter. The at least one first filter generates at least one first filter output, wherein each of the at least one first filter has a first filter type. The at least one second filter generates at least one second filter output, wherein each of the at least one second filter has a second filter type different from the first filter type. The anti-noise signal is jointly controlled by the at least one first filter output and the at least one second filter output. The at least one first filter and the at least one second filter are connected in a parallel fashion.
    Type: Application
    Filed: November 1, 2022
    Publication date: October 19, 2023
    Applicant: Airoha Technology Corp.
    Inventors: Chao-Ling Hsu, Li-Wen Chi, Shih-Kai He
  • Publication number: 20230330222
    Abstract: A pharmaceutical composition for boosting an immune response contains TREM-like transcript-1 (TREML1) extracellular domain (ECD) or stalk polypeptide. The TREML1 ECD or stalk polypeptide is derived from human or mouse TREML1. The pharmaceutical composition further contains an antigen as a vaccine, wherein the TREML1 ECD or stalk polypeptide functions as an adjuvant or immune booster.
    Type: Application
    Filed: May 14, 2021
    Publication date: October 19, 2023
    Applicant: Ascendo Biotechnology, Inc.
    Inventors: Yen-Ta Lu, Chia-Ming Chang, Ping-Yen Huang, I-Fang Tsai, Frank Wen-Chi Lee
  • Patent number: 11782428
    Abstract: A transport system is provided. The transport system includes a stocker configured to store an assigned wafer carrier and having a gate port. The transport system also includes a semiconductor apparatus configured to transmit a request signal including a processed time according to a processing wafer carrier loaded on the semiconductor apparatus. The transport system further includes a vehicle configured to transport the assigned wafer carrier from the gate port to the semiconductor apparatus and a control system configured to control the vehicle. When the control system receives the request signal, the control system controls the stocker to transport the assigned wafer carrier inside of the stocker to the gate port at a start time, which is earlier than the processed time, and the control system controls the vehicle to transport the assigned wafer carrier from the gate port to the semiconductor apparatus.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: October 10, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Wei-Pin Huang, Wen-Chi Chien, Yuh-Dean Tsai, Bing-Yuan Cheng
  • Patent number: 11784670
    Abstract: Methods, systems, and apparatus for using antennas for millimeter wave contactless communication. One of the apparatuses is a communication device that includes a transducer configured to convert electrical signals into extremely high frequency (EHF) electromagnetic signals, the EHF electromagnetic signals substantially emitted from a first surface of the communication device, wherein the transducer is positioned on a substrate of the communication device, and an integrated circuit coupled to the substrate, wherein the transducer includes multiple parallel resonant antenna elements in an array.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: October 10, 2023
    Assignee: Molex, LLC
    Inventors: Giriraj Mantrawadi, Bojana Zivanovic, Wen-Chi Cheng
  • Publication number: 20230305341
    Abstract: An electronic device is provided with an active area and a peripheral area, and includes a first substrate, a second substrate, a sealant frame, a conductive member and a wall structure. The second substrate is arranged opposite to the first substrate. The sealant frame is arranged on the first substrate and surrounds the active area. The conductive member is arranged on the peripheral area, wherein part of the conductive member is arranged between the first substrate and the second substrate. The wall structure is arranged between the first substrate and the second substrate, wherein the wall structure is arranged between the sealant frame and the conductive member when viewed in a top view direction.
    Type: Application
    Filed: February 28, 2023
    Publication date: September 28, 2023
    Inventors: Cheng-Shen PAN, Cheng-Min WU, Yu-Lin HSIEH, Heng-Cheng SONG, Wen-Chi CHEN
  • Publication number: 20230298559
    Abstract: An adaptive active noise control (ANC) system includes an ANC circuit and a control circuit. The ANC circuit generates an anti-noise signal for noise reduction, wherein the ANC circuit includes at least one adaptive filter. The control circuit receives a first input signal derived from a reference signal output by a reference microphone that picks up ambient noise, receives a second input signal derived from an error signal output by an error microphone that picks up remnant noise resulting from the noise reduction, and performs a transfer function variation detection based on the first input signal and the second input signal to control the at least one adaptive filter.
    Type: Application
    Filed: March 17, 2022
    Publication date: September 21, 2023
    Applicant: Airoha Technology Corp.
    Inventors: Chao-Ling Hsu, Li-Wen Chi
  • Publication number: 20230298560
    Abstract: An adaptive active noise control (ANC) system includes an ANC circuit and a control circuit. The ANC circuit generates an anti-noise signal, and includes at least one adaptive filter. The control circuit receives a first input signal derived from a reference signal output by a reference microphone that picks up ambient noise, receives a second input signal derived from an error signal output by an error microphone that picks up remnant noise resulting from noise reduction, and performs a comparison operation based on a first characteristic value of the first input signal and a second characteristic value of the second input signal to control the at least one adaptive filter.
    Type: Application
    Filed: March 17, 2022
    Publication date: September 21, 2023
    Applicant: Airoha Technology Corp.
    Inventors: Chao-Ling Hsu, Li-Wen Chi
  • Patent number: 11760784
    Abstract: A pharmaceutical composition for treating an ophthalmic disease in a subject includes a peptide and a pharmaceutically acceptable excipient, wherein the peptide contains the sequence of SEQ ID NO: 1: S-X-X-A-X-Q/H-X-X-X-X-I/V-I-X-R, wherein each X is independently any amino acid.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: September 19, 2023
    Assignee: BRIM Biotechnology, Inc.
    Inventors: Frank Wen-Chi Lee, Kuanyin Karen Lin, Yeou-Ping Tsao, Tsung-Chuan Ho