Patents by Inventor Chao A. Zhang

Chao A. Zhang 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).

  • Magnetic levitation bearing, magnetic levitation rotor support assembly, and compressor
    Patent number: 11323007
    Abstract: A magnetic levitation bearing, a magnetic levitation rotor support assembly, and a compressor. The magnetic levitation bearing is used for supporting a rotor by interacting with a thrust disc on the rotor, and comprises: a radial stator core having an annular structure, which is disposed on a radial outer side of the thrust disc and corresponds to the thrust disc in an axial direction of the rotor, the radial stator core and the thrust disc being separated by a first radial gap X1; and a radial control coil, which is disposed on the radial stator core and can generate a radial electromagnetic force to the thrust disc in a radial direction of the rotor.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: May 3, 2022
    Assignee: GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO., LTD. OF ZHUHAI
    Inventors: Xiaobo Zhang, Gao Gong, Yusheng Hu, Jianning Liu, Fang Zhang, Siyuan Tian, Chao Zhang, Jiuzhan Su, Xin Li
  • Method, apparatus, device and medium for processing topological relation of tasks
    Patent number: 11321122
    Abstract: The embodiments of the present disclosure provide a method, an apparatus, a device and a medium for processing topological relation of tasks. The method includes: extracting at least one execution element from each of processing tasks based on a topological relation recognition rule; determining a dependency relation among the processing tasks according to content of the execution element of each processing task; and determining a topological relation among the processing tasks according to the dependency relation among the processing tasks.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: May 3, 2022
    Assignee: Apollo Intelligent Driving Technology (Beijing) Co., Ltd.
    Inventors: Chao Zhang, Zhuo Chen, Liming Xia, Weifeng Yao, Jiankang Xin, Chengliang Deng
  • AUXILIARY POWER SUPPLY DEVICE FOR INVERTER, INVERTER, AND METHOD FOR STARTING THE SAME
    Publication number: 20220131458
    Abstract: An auxiliary power supply device for an inverter with a plurality of power modules connected in parallel is disclosed. The auxiliary power supply device includes: a plurality of soft-start circuits, each coupled to a DC port of a corresponding power module; a plurality of distributed auxiliary power supplies, each having an input terminal coupled to the DC port of the corresponding power module; and a centralized auxiliary power supply having an input terminal coupled to an AC side of the inverter, and an output terminal coupled to a DC side of the inverter. By replacing auxiliary power supplies on the AC sides of all power modules with the centralized auxiliary power supply and omitting soft-start circuits on the AC sides of all power modules, the present invention improves system performance in cost, volume, loss, and electromagnetic compatibility.
    Type: Application
    Filed: August 11, 2021
    Publication date: April 28, 2022
    Inventors: Chao ZHANG, Wei Guan, Hongyang WU, Feiqin HAO, Fayang JIANG
  • HOLLOW BODY MOLDING AID AND MOLDING METHOD
    Publication number: 20220126498
    Abstract: The hollow body molding aid includes a body, a connector, a first profiling assembly, a second profiling assembly, and a positioning mechanism. The connector is fixedly connected to the body. The first profiling assembly is fixedly disposed on one side of the body and is configured to position one half of a reinforced housing. The second profiling assembly is fixedly disposed on the other side of the body and is configured to position the other half of the reinforced housing. The positioning mechanism is disposed on the first profiling assembly and the second profiling assembly. The reinforced housing can be positioned, thus guaranteeing molding quality of the reinforced housing and blanks. In addition, the reinforced housing can be accurately positioned in a cavity of a mold through a manipulator, without the need to use a plurality of air cylinders for step-by-step driving.
    Type: Application
    Filed: January 9, 2020
    Publication date: April 28, 2022
    Applicant: YAPP AUTOMOTIVE SYSTEMS CO., LTD.
    Inventors: Lin JIANG, Songjun XU, Lushun WU, Dejun GAO, Zhongya YANG, Chao ZHANG
  • Screen Control Method, Electronic Device, and Storage Medium
    Publication number: 20220121413
    Abstract: A screen control method implemented by an electronic device that includes a foldable first screen and a second screen includes detecting, by the electronic device, an operation on a function button, determining, by the electronic device, a physical form of the electronic device, and controlling, by the electronic device, the foldable first screen or the second screen based on the operation and the physical form of the electronic device.
    Type: Application
    Filed: February 13, 2020
    Publication date: April 21, 2022
    Inventors: Ziyue Zhang, Liudong Xiong, Ning Ding, Chao Zhang
  • ERASING METHOD FOR 3D NAND FLASH MEMORY
    Publication number: 20220115072
    Abstract: Embodiments of erasing methods for a three-dimensional (3D) memory device are disclosed. The 3D memory device includes multiple decks vertically stacked over a substrate, wherein each deck includes a plurality of memory cells. The erasing method includes checking states of the plurality of memory cells of an erase-inhibit deck and preparing the erase-inhibit deck according to the states of the plurality of memory cells. The erasing method also includes applying an erase voltage at an array common source, applying a hold-release voltage on unselected word lines of the erase-inhibit deck, and applying a low voltage on selected word lines of a target deck.
    Type: Application
    Filed: December 23, 2021
    Publication date: April 14, 2022
    Applicant: Yangtze Memory Technologies Co., Ltd.
    Inventors: Changhyun LEE, Chao ZHANG, Haibo LI
  • Wearable medical device for monitoring intravenous injection
    Patent number: 11298459
    Abstract: A wearable medical device comprising an annular housing configured to attach to a wrist of a patient. The wearable medical device having a first receptacle attached to the annular housing for receiving a first portion of a tube of an intravenous delivery system. The wearable medical device comprising a flow regulator attached to the annular housing and in contact with the first portion of the tube, where the flow regulator is configured to modify a geometric characteristic of the first portion of the tube. The wearable medical device further comprising a wireless transmitter for communicating with a user console.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: April 12, 2022
    Assignee: International Business Machines Corporation
    Inventors: Jing Du, Tzu-Chen Chao, Ci-Wei Lan, Xiang Yu Yang, Chao Zhang, Xin Fang Hao
  • Method and apparatus for scheduling task, device and medium
    Patent number: 11294714
    Abstract: The present disclosure provides a method and an apparatus for scheduling a task, a device and a medium. The method includes: obtaining a processing task to be executed from a task queue via a main thread bound to a processor, in which the processor is configured to execute the main thread, to execute the processing task; obtaining a newly triggered processing task; in response to determining that a priority of the newly triggered processing task is greater than or equal to a priority of the processing task executed on the main thread, assigning the newly triggered processing task to a standby thread; and dispatching and assigning a processor from at least one processor through the system kernel to execute the standby thread.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: April 5, 2022
    Assignee: Apollo Intelligent Driving Technology (Beijing) Co., Ltd.
    Inventors: Chao Zhang, Zhuo Chen, Weifeng Yao, Liming Xia, Jiankang Xin, Chengliang Deng
  • METHOD OF MAKING A SINGLE-CRYSTAL TURBINE BLADE
    Publication number: 20220098990
    Abstract: A single-crystal turbine blade and a method of making such single-crystal turbine blade are disclosed. During manufacturing, a secondary crystallographic orientation of the material of the single-crystal turbine blade is controlled based on a parameter of a root fillet between an airfoil of the single-crystal turbine blade and a platform of the single-crystal turbine blade. The parameter can be a location of peak stress in the root fillet expected during use of the turbine blade.
    Type: Application
    Filed: December 8, 2021
    Publication date: March 31, 2022
    Inventors: Chao ZHANG, Robert HUSZAR, Othmane LEGHZAOUNI
  • METHOD, APPARATUS, ELECTRONIC DEVICE AND STORAGE MEDIUM FOR ESTIMATING OBJECT POSE
    Publication number: 20220101555
    Abstract: A method, an apparatus, an electronic device for estimating a pose of an object include determining a confidence of a depth image of an object based on a color image and the depth image of the object, estimating a pose of the object based on a three-dimensional (3D) keypoint in response to the depth image being reliable, and estimating the pose of the object based on a two-dimensional (2D) keypoint in response to the depth image being unreliable.
    Type: Application
    Filed: September 16, 2021
    Publication date: March 31, 2022
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chao ZHANG, Jiyeon KIM, Yang LIU, Yueying KAO, Hao WANG, Hyun Sung CHANG, Qiang WANG, Sunghoon HONG, Weiming LI
  • LIDAR SYSTEMS WITH SHARED MEMORY AND METHODS THEREOF
    Publication number: 20220099801
    Abstract: The present invention is directed to lidar systems and methods thereof. In a specific embodiment, the present invention provides a lidar system that includes a SPAD sensor that includes two or more SPAD pixels. The outputs of the two or more SPAD pixels are processed to generate two sets of histogram data. The two sets of histogram data are encoded to generate at least two sets of replicate histogram data that are shifted by predefined offset values. The two sets of histogram data and the at least two sets of replicate histogram data share the same memory block. There are other embodiments as well.
    Type: Application
    Filed: December 10, 2021
    Publication date: March 31, 2022
    Inventors: Chao ZHANG, Junzhong XIE, Zhijie MA
  • Method, electronic device and storage medium for segmenting image
    Patent number: 11288807
    Abstract: The disclosure relates to a method, an electronic device and a storage medium for segmenting an image. The method includes: obtaining an image to be segmented; determining a first face result by detecting a face in the image and a first key-point result by detecting one or more key-points of the face in the image; determining a first face region in the image based on the first face result and the second face result; and segmenting a hair region from the first face region by an image segmentation model, wherein the image segmentation model is trained based on sample images, label mask images and a probability distribution map of hair, and the label mask image comprises a hair region of the sample image, and the probability distribution map of hair comprises a probability distribution of hair in the sample images.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: March 29, 2022
    Assignee: Beijing Dajia Internet Information Technology Co., Ltd.
    Inventors: Xuanping Li, Yan Li, Chao Zhang
  • SOFT ELECTROHYDRODYNAMIC ACTUATOR
    Publication number: 20220088773
    Abstract: A soft electrohydrodynamic actuator includes an actuating unit. The actuating unit includes a flexible pouch, a rod electrode, a dielectric fluid, an enameled wire, a hose and a planar flexible electrode. The inner cavity of the flexible pouch is provided with the rod electrode and filled with the dielectric fluid. The hose is hermetically connected to a side of the flexible pouch. The enameled wire is hermetically sleeved in the hose. One end of the enameled wire extends into the inner cavity of the flexible pouch through the hose and is electrically connected to an end of the rod electrode. The other end of the enameled wire is connected to a high-voltage positive electrode. The outer surface of the flexible pouch is coated with a layer of conductive soft material as the planar flexible electrode, or a water environment around the flexible pouch is used as the planar flexible electrode.
    Type: Application
    Filed: July 21, 2020
    Publication date: March 24, 2022
    Applicant: ZHEJIANG UNIVERSITY
    Inventors: Jun ZOU, Wei TANG, Chao ZHANG
  • WATERBORNE POLYURETHANE DISPERSION AND METHOD FOR PREPARING THE SAME
    Publication number: 20220081588
    Abstract: Provided is a waterborne polyurethane dispersion. The waterborne polyurethane dispersion is prepared in the presence of a hydrophilic amino siloxane compound and exhibits good anti-stickiness while retaining superior mechanical properties. A laminated synthetic leather article prepared with said waterborne polyurethane dispersion as well the method for preparing the synthetic leather article are also provided.
    Type: Application
    Filed: March 5, 2019
    Publication date: March 17, 2022
    Inventors: Xiaolian Hu, Chao Zhang, Xiangyang Tai, Yanli Feng, Lili Shi, Jiawen Xiong, Biao Ma
  • Adaptive transcoding of profile ladder for videos
    Patent number: 11277620
    Abstract: In some embodiments, a method generates a representation for a video that represents a relationship of a bitrate to a quality measurement for the video and selects candidate transcoding points on the representation. A plurality of candidate profile ladders are generated based on the candidate transcoding points. Each of the plurality of candidate profile ladders includes a different combination of profiles and a profile is associated with at least one of a bitrate and a quality measurement. The method selects a profile ladder from the plurality of candidate profile ladders based on analyzing the bitrate or the quality of the profile ladder and uses the profile ladder for the video.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: March 15, 2022
    Assignee: HULU, LLC
    Inventors: Chen Liu, Wenhao Zhang, Xuchang Huangfu, Xiaobo Liu, Deliang Fu, Lan Xie, Rui Zhang, Shuai Lou, Chao Zhang
  • HOLLOW BODY FORMING MOLD AND HOLLOW BODY FORMING METHOD
    Publication number: 20220055280
    Abstract: A hollow body forming mold includes left and right half molds, a bottom of the left half mold is provided with a left avoidance slot, a bottom of the right half mold is provided with a right avoidance slot, a left bottom slider is disposed in the left avoidance slot, a right bottom slider is disposed in the right avoidance slot, and the left and right bottom sliders constitute a group of sliders. The mold design resolves a difficult problem that a fabrication hole exists during forming of a hollow body with a built-in component by using an existing conventional process. The hollow body forming method has the advantages of a short forming period, the high production efficiency, good combination between a built-in component and an inner wall of an fuel tank, and the high location stability.
    Type: Application
    Filed: November 5, 2021
    Publication date: February 24, 2022
    Inventors: Lin Jiang, Songjun Xu, Dejun Gao, Jie Li, Xueji Ge, Chao Zhang, Wei Zhou
  • NOVEL FGFR INHIBITORS AND USES THEREOF
    Publication number: 20220048883
    Abstract: The invention provides novel FGFR inhibitors based on the pyridinylpyrimidine. The invention includes inhibitors with broad inhibitory activity against all FGFR isoforms, and inhibitors with selective inhibition against FGFR4. These novel pyridinylpyrimidine-based FGFR inhibitors, or their derivatives, have strong potential to be used to treat cancer.
    Type: Application
    Filed: September 12, 2019
    Publication date: February 17, 2022
    Inventors: Chao Zhang, Renata Rezende Miranda, Feng Ni, John Carpten
  • TOUCH SENSOR PANEL INCLUDING RESISTORS FOR IMPROVED INPUT SIGNAL
    Publication number: 20220050571
    Abstract: In some examples, a touch screen includes resistors between the touch electrodes and routing traces. In some examples, the resistors can include a transparent conductive material included in the touch electrodes of the touch screen. The resistors can be located in a border region of the touch screen that can surround an active area of the touch screen that can include the touch electrodes and display pixels of the touch screen, for example. In some examples, the resistors included in the touch screen can have different resistances from each other and the same outer dimensions as one another. The resistors can reduce the variation in resistance from channel to channel in the touch screen, which can improve touch screen performance, for example.
    Type: Application
    Filed: August 14, 2020
    Publication date: February 17, 2022
    Inventors: Zhou LU, Isaac Wing-Tak CHAN, Justin Zachary WU, Rangarajan KRISHNAN, Qingbo GUO, Chao ZHANG
  • ESCALATOR MONITORING SYSTEM, METHOD, SOUND DATA COLLECTION DEVICE AND FIXTURE THEREFOR
    Publication number: 20220048740
    Abstract: An escalator monitoring system includes a data collection device disposed near parts of an escalator that need to be monitored for collecting data of the parts; a data transmittal device used to transmit data relevant to safe operation of the escalator; a local data processing device or cloud processors used to receive the data relevant to the safe operation of the escalator, to compare it against a threshold value stored therein and derived from the parts in normal operating conditions, and to respond to comparison result.
    Type: Application
    Filed: October 29, 2021
    Publication date: February 17, 2022
    Applicant: KONE CORPORATION
    Inventors: Tao YE, Wenke DENG, Chao ZHANG
  • NOVEL INHIBITORS OF GUANOSINE MONOPHOSPHATE SYNTHETASE AS THERAPEUTIC AGENTS
    Publication number: 20220048866
    Abstract: The invention provides a series of GMPS enzyme inhibitors. The invention includes potent GMPS inhibitors that specifically and covalently bind to GMPS, exhibit broad anti-cancer activity, block the infection efficiency of viruses, and have the potentials to suppress undesired immune responses. These novel inhibitors of GMPS, and their derivatives, have tremendous potentials to be used as therapeutic agents for the treatment of cancers, viral infection and immune disorders.
    Type: Application
    Filed: July 12, 2019
    Publication date: February 17, 2022
    Inventors: Chao Zhang, Feng Ni, Arunika Ekanayake, Biancha Espinosa