Patents by Inventor Chou

Chou 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: 11871052
    Abstract: In one implementation, a method of generating a bit stream encoding a video stream is performed by a device including one or more processors and non-transitory memory. The method includes decomposing a video stream into a plurality of frequency band video streams. The method includes determining a target bitrate and determining, for each frequency band video stream, a respective frequency band bit rate based on the target bit rate. The method includes encoding each of the plurality of frequency band video streams at its respective frequency band bit rate and transmitting, over a channel, each encoded frequency band video stream.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: January 9, 2024
    Assignee: APPLE INC.
    Inventors: Hao Pan, Haitao Guo, Ke Chen, Francesco Iacopino, Jim C. Chou, Xiaohua Yang, Linfeng Guo, Munehiro Nakazato, Krishnakanth Rapaka, Ye Cong
  • Patent number: 11866533
    Abstract: Disclosed herein is an anti-biofouling copolymer including a first structural unit represented by formula (I) and a second structural unit represented by formula (II), wherein each of the substituents is given the definition as set forth in the Specification and Claims. Also disclosed herein is a method for preparing an anti-biofouling copolymer which includes subjecting a first compound represented by formula (a) to polymerization reaction with a second compound represented by formula (b), wherein each of the substituents is given the definition as set forth in the Specification and Claims.
    Type: Grant
    Filed: November 9, 2022
    Date of Patent: January 9, 2024
    Assignee: SOUTHERN TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Ying-Nien Chou, Ming-Zu Ou, Yu-Chan Wu, Po-Ching Lee
  • Patent number: 11870397
    Abstract: The invention provides a radio frequency (RF) module and associated method with envelope tracking (ET) power supply in a device. The RF module may comprise a plurality of transmitters, an ET output, and an ET multiplexer. Each said transmitter may comprise an ET port and one or more RF outputs, and may be configured for providing an RF signal to one of said one or more RF outputs, and providing an ET signal, which reflects an envelope of the RF signal, to the ET port. The ET multiplexer may be coupled between said ET ports of the plurality of transmitters and the ET output, for selectively relaying one of said ET ports to the ET output.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: January 9, 2024
    Assignee: MEDIATEK INC.
    Inventors: Shi-Wen Liu, Tang-Nian Luo, Chi-Tsan Chen, Chi-Kun Chiu, Jiann-Huang Liu, Peng-Ta Huang, Chi-Sheng Yu, Hua-Shan Chou
  • Patent number: 11868183
    Abstract: A retractable assembly includes a fixed frame, a movable frame and a plurality of first balls. The fixed frame has an accommodation portion and a plurality of guiding portions. The guiding portions are connected to the accommodation portion. The movable frame is at least partially located in the accommodation portion. The first balls are movably located in the guiding portions, and the movable frame is connected to the fixed frame via the first balls.
    Type: Grant
    Filed: February 7, 2022
    Date of Patent: January 9, 2024
    Assignee: WISTRON CORP.
    Inventors: Zijie Iin, Yao-Chen Yang, Chia-Jang Chen, Chih Chou Chou
  • Patent number: 11870352
    Abstract: Systems and methods for controlling a dual active bridge converter are disclosed herein. An output voltage of a dual active bridge converter is sensed. Based at least in part on the output voltage, a target intra-bridge phase shift amount between two bridges of the dual active bridge converter is computed. A plurality of switch control signals, which are provided to respective switches of the dual active bridge converter, are caused to switch according to a time-based switching sequence based on the target intra-bridge phase shift amount to compensate for variations in the output voltage.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: January 9, 2024
    Assignee: Rivian IP Holdings, LLC
    Inventors: Vishnu Mohan, Younes Sangsefidi, Chia-Chou Yeh, Yang Liu, Steven Schulz
  • Patent number: 11867732
    Abstract: An output voltage protection controller includes a comparator circuit and a voltage adjustment circuit. The comparator circuit compares a first voltage signal with a second voltage signal to generate a control signal that controls output voltage protection of a voltage regulator, wherein one of the first voltage signal and the second voltage signal is a feedback voltage derived from an output voltage of the voltage regulator, and another of the first voltage signal and the second voltage signal is a voltage detection threshold. The voltage adjustment circuit injects an offset voltage to the second voltage signal for dynamically adjusting the second voltage signal during a period in which a target regulated voltage level of the output voltage is a constant.
    Type: Grant
    Filed: February 13, 2022
    Date of Patent: January 9, 2024
    Assignee: MediaTek Singapore Pte. Ltd.
    Inventors: Nien-Hui Kung, Chia-Hua Chou
  • Patent number: 11865671
    Abstract: A chemical mechanical polishing apparatus includes a platen to hold a polishing pad, a carrier laterally movable by an actuator across the polishing pad to hold a substrate against a polishing surface of the polishing pad during a polishing process, a thermal control system including a plurality of independently controllable heaters and coolers to independently control temperatures of a plurality of zones on the polishing pad, and a controller configured to cause the thermal control system to generate a first zone having a first temperature and a second zone having a different second temperature on the polishing pad.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: January 9, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Haosheng Wu, Shou-Sung Chang, Jianshe Tang, Chih Chung Chou, Hui Chen, Hari Soundararajan, Benjamin Cherian
  • Patent number: 11871274
    Abstract: An apparatus and system for generating KPIs based on packet delay performance measurements through a NG-RAN or 5GC are described. Integrated average UL and DL delays in NG-RAN, gNB DU delays and e2e delays are determined for each sub-network, network slice subnet, and network slice, and for a gNB DU. An overall NR cell DU delay including air interface delay and delay within the NR cell DU, and an overall gNB-CU delay including F1 interface delay and delay within the gNB-CU-UP, are each independently weighted for each gNB and in each direction for the integrated delay KPI in the NG-RAN. The e2e delay KPIs are average UL or DL delays between a UPF and UE(s) for a network slice based on e2e delays for each N-3 and N9 interface weighted by number of packets or data volume of the interface for the corresponding direction.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: January 9, 2024
    Assignee: Intel Corporation
    Inventors: Yizhi Yao, Joey Chou
  • Patent number: 11867464
    Abstract: Portage storage containers including controlled evaporative cooling systems are described herein. In some embodiments, a portable container including an integral controlled evaporative cooling system includes: a storage region, an evaporative region adjacent to the storage region, a desiccant region adjacent to the outside of the container, and an insulation region positioned between the evaporative region and the desiccant region. A vapor conduit with an attached vapor control unit has a first end within the evaporative region and a second end within the desiccant region. In some embodiments, the controlled evaporative cooling systems are positioned in a radial configuration within the portable container.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: January 9, 2024
    Assignee: Tokitae LLC
    Inventors: Fong Li Chou, Philip A. Eckhoff, Lawrence Morgan Fowler, Shieng Liu, Peter K. Maier-Laxhuber, Nels R. Peterson, Ralf W. Schmidt, Clarence T. Tegreene, Lowell L. Wood, Jr., Reiner M. Wörz, David J. Yager
  • Patent number: 11867887
    Abstract: A light-folding element includes an object-side surface, an image-side surface, a reflection surface and a connection surface. The reflection surface is configured to reflect imaging light passing through the object-side surface to the image-side surface. The connection surface is connected to the object-side, image-side and reflection surfaces. The light-folding element has a recessed structure located at the connection surface. The recessed structure is recessed from the connection surface an includes a top end portion, a bottom end portion and a tapered portion located between the top end and bottom end portions. The top end portion is located at an edge of the connection surface. The tapered portion has two tapered edges located on the connection surface. The tapered edges are connected to the top end and bottom end portions. A width of the tapered portion decreases in a direction from the top end portion towards the bottom end portion.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: January 9, 2024
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Min-Chun Liao, Lin An Chang, Ming-Ta Chou, Jyun-Jia Cheng, Cheng-Feng Lin, Ming-Shun Chang
  • Patent number: 11867971
    Abstract: A lens driving apparatus includes a holder, a metal cover, a carrier, a sensing magnet, a printed circuit board, a position sensor, a coil and at least one driving magnet. The metal cover is coupled with the holder and has an opening. The carrier is assembled to a lens assembly having an optical axis, wherein the carrier is disposed in the metal cover and is movable along a direction parallel to the optical axis. The sensing magnet is coupled with the carrier. The printed circuit board is disposed near to one of the four lateral sides of the holder. The position sensor is disposed on the printed circuit board and corresponds to the sensing magnet. The coil is disposed on an outer surface of the carrier. One of the driving magnet is disposed in the metal cover and corresponds to the coil.
    Type: Grant
    Filed: April 7, 2022
    Date of Patent: January 9, 2024
    Assignee: LARGAN DIGITAL CO., LTD.
    Inventors: Te-Sheng Tseng, Wen-Hung Hsu, Ming-Ta Chou
  • Patent number: 11867498
    Abstract: A sprayer includes: a container arranged to contain liquid; a passage including a transparent window, a first opening, a second opening and a resonator, wherein when the liquid in the container is passed through the resonator via the first opening, the liquid is emitted as a gas via the second opening; and a detection unit disposed outside of the passage. The detection unit includes: a light source disposed to emit light through the light transparent window for illuminating the gas in the passage such that the gas will reflect the emitted light; an optical sensor disposed to detect a parameter of the reflected light through the transparent window; and a processor coupled to the optical sensor for stopping the resonator from generating the gas when the parameter of the reflected light is below a first threshold corresponding to a specific level of liquid within the container.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: January 9, 2024
    Assignee: PixArt Imaging Inc.
    Inventors: Chih-Hao Wang, Yang-Ming Chou, Chien-Yi Kao, Shih-Jen Lu, Chih-Ming Sun, Hsin-Yi Lin
  • Patent number: 11867877
    Abstract: An annular light trapping component includes an inner surface, an outer surface, an object-side surface and an image-side surface. The inner surface includes multiple L-shaped annular grooves. The annular light trapping component includes multiple stripe-shaped structures in the L-shaped annular grooves. The L-shaped annular grooves include an object-side L-shaped annular groove closest to the object-side surface and an image-side L-shaped annular groove closest to the image-side surface. A bottom diameter of the image-side L-shaped annular groove is larger than a bottom diameter of the object-side L-shaped annular groove. Each L-shaped annular groove includes a first side and a second side located between the object-side surface and the image-side surface. The stripe-shaped structures are disposed on the first side or the second side. A degree of inclination between the first side and the central axis is larger than a degree of inclination between the second side and the central axis.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: January 9, 2024
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Ming-Ta Chou, Cheng-Feng Lin, Wei-Hung Weng
  • Patent number: 11871351
    Abstract: A method for a UE to monitor a PDCCH comprises receiving a first configuration from a base station to configure the UE with a first search space of the PDCCH, where the first search space is used for monitoring a scheduling signal used for indicating scheduling information, receiving a second configuration from the base station to configure the UE with a second search space of the PDCCH, wherein the second search space is used for monitoring a power saving signal used for indicating wake-up information associated with a DRX functionality, monitoring the first search space in response to the UE being in a DRX active time of the DRX functionality, wherein the DRX active time is a time during which the UE monitors the PDCCH, and not monitoring the second search space in response to the UE being in the DRX active time of the DRX functionality.
    Type: Grant
    Filed: May 12, 2022
    Date of Patent: January 9, 2024
    Assignee: Hannibal IP LLC
    Inventors: Hsin-Hsi Tsai, Chia-Hung Wei, Chie-Ming Chou
  • Publication number: 20240001118
    Abstract: A balloon type retinal stimulation device includes: a substrate unit having an insertion portion provided to be inserted into an eyeball; and a stimulation unit that is provided at one or both of one and the other surfaces of the substrate unit. The insertion portion is provided to be expandable and contractible as a fluid is injected into and discharged from an inside of the injection portion. When the insertion portion expands, one surface of the insertion portion is deformed to match a shape of the retina such that the stimulation unit is brought into close contact with the retina on which an image is formed, and the other surface of the insertion portion comes into close contact with an inner surface of the eyeball that is not a region of retina on which an image is formed, to support the insertion portion that is in contact with the region of retina on which an image is formed.
    Type: Application
    Filed: September 13, 2023
    Publication date: January 4, 2024
    Inventors: SO HEE KIM, HYUN MIN MOON, NAM SUN CHOU
  • Publication number: 20240000396
    Abstract: Sleep physiological system and sleep alarm method are disclosed. The method includes acquiring sleep respiratory information and sleep position related information of a user in a sleep duration; comparing the sleep respiratory information with a predetermined condition for deciding a sleep respiratory event; and comparing the sleep position related information with a predetermined position range; providing an alarm behavior according to a corresponding set of alarming conditions based on a comparison result between the sleep position related information and the predetermined position range so as to influence a sleep position and/or a sleep respiratory state of the user.
    Type: Application
    Filed: September 12, 2023
    Publication date: January 4, 2024
    Inventor: Chang-An Chou
  • Publication number: 20240006425
    Abstract: An image sensor includes a substrate having first and second surfaces opposite to each other, an image pixel area, and a black level calibration (BLC) area adjacent to the image pixel area. The BLC area includes a dark current sensing circuit including photo diodes disposed in the substrate, a first seal ring disposed over the second surface and surrounding the image pixel area in plan view, a second seal ring disposed over the second surface and surrounding the image pixel area in plan view such that the dark current sensing circuit is disposed between the first and second seal rings, an opaque cover disposed over the first surface and covering the dark current sensing circuit, the first and second seal rings, and one or more first trench isolation structures extending from the first surface to an inside the substrate and disposed between the first seal ring and the opaque cover.
    Type: Application
    Filed: March 24, 2023
    Publication date: January 4, 2024
    Inventors: Ming-Hsien YANG, Chun-Hao CHOU, Kuo-Cheng LEE, Chun-Wei CHIA, Chun-Liang LU, Wei-Chih WENG, Cheng-Hao CHIU
  • Publication number: 20240005799
    Abstract: A drone communication system and an operation method thereof are provided. The operation method of the drone communication system is applicable for obtaining a plurality of base station coordinates corresponding to a plurality of base stations in a flight field. The operation method includes the following steps: communicating with at least three base stations adjacent to a parking apron apparatus to obtain at least three base station coordinates of the at least three base stations; communicating with another base station adjacent to the at least three base stations through the at least three base stations; estimating another base station coordinate of the another base station according to the at least three base station coordinates of the at least three base stations; and storing the plurality of base station coordinates and providing the plurality of base station coordinates to a drone parked on the parking apron apparatus.
    Type: Application
    Filed: September 18, 2023
    Publication date: January 4, 2024
    Applicant: Coretronic Intelligent Robotics Corporation
    Inventors: Cheng-Shen Lee, Chih-Neng Tseng, Kuan-Chou Ko
  • Publication number: 20240007314
    Abstract: Various embodiments herein are directed to solutions for converged charging for edge enabling infrastructure resource usage, application context transfer, and aggregated fifth-generation system (5GS) usage. Other embodiments may be disclosed or claimed.
    Type: Application
    Filed: February 11, 2022
    Publication date: January 4, 2024
    Inventors: Yizhi YAO, Joey CHOU
  • Patent number: D1010407
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: January 9, 2024
    Assignee: ACT QUALITY INDUSTRIAL CO., LTD.
    Inventor: Chin-Ying Chou