Patents by Inventor Xin Zhang

Xin 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).

  • Mechanism and apparatus of spatial encoding enabled multi-scale context join
    Patent number: 10776405
    Abstract: A hierarchical spatial encode structure stored on a computing device is disclosed. The hierarchical spatial encode structure includes a plurality of scale levels having a plurality of encode expressions for a multi-scale context. The encode expressions on a first of the scale levels may include a first length. The encode expressions on a second of the scale levels may include a second length greater than the first length. Each encode expression of the second of the scale levels may include one or more of the encode expressions of the first of the scale levels. A context of the first of the scale levels may have a contain/nest (contained) spatial relation to a context of the second of the scale levels.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: September 15, 2020
    Assignee: International Business Machines Corporation
    Inventors: Ning Duan, Yu Huang, Zhi Hu Wang, Xin Zhang, Jun Zhu
  • Laser beam combining system
    Patent number: 10768434
    Abstract: A laser beam combining system, including at least one beam combining unit. The beam combining unit includes reflective device, polarization conversion element and beam combining device. The reflective device includes two reflective surfaces configured to divide a high-polarization laser into a first beam and a second beam. The first beam is incident on the beam combining device. The polarization conversion element is provided on a propagation path of the second beam to convert the second beam into a light having a polarization direction perpendicular to an original polarization direction of the second beam. The converted light is guided to the beam combining device which is configured to combine the first beam and the converted light into one beam for outputting.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: September 8, 2020
    Assignee: Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy Of Sciences
    Inventors: Cunzhu Tong, Yufei Zhao, Fangyuan Sun, Shili Shu, Lijie Wang, Xin Zhang, Sicong Tian, Lijun Wang
  • ENABLING EFFICIENT POSITIONING OF A TARGET DEVICE IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20200280820
    Abstract: According to one of the aspects of the proposed technology, there is provided a method for positioning of a target device in a wireless communication system. The method comprises obtaining beam quality information relating to reference beams transmitted from at least two network nodes according to specific beam patterns, and obtaining beam pattern information representative of the specific beam patterns. The method also comprises determining a position of the target device based on the beam quality information and the beam pattern information. In this way, improved positioning accuracy may be obtained in an efficient manner.
    Type: Application
    Filed: September 13, 2017
    Publication date: September 3, 2020
    Inventors: Xin Zhang, Fredrik Gunnarsson, Henrik Rydén, Sara Modarres Razavi
  • Microelectromechanical systems (MEMS) inertial sensors with energy harvesters and related methods
    Patent number: 10761108
    Abstract: A microelectromechanical system (MEMS) apparatus is described. The MEMS apparatus may comprise inertial sensors and energy harvesters configured to convert mechanical vibrational energy into electric energy. The harvested energy may be used to power an electronic circuit, such as the circuit used to sense acceleration from the inertial sensors. The inertial sensors and the energy harvesters may be disposed on the same substrate, and may share the same proof mass. The energy harvesters may include a piezoelectric material layers disposed on a flexible structure. When the flexible structures flexes in response to vibration, stress arises in the piezoelectric material layer, which leads to the generation of electricity. Examples of inertial sensors include accelerometers and gyroscopes.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: September 1, 2020
    Assignee: Analog Devices, Inc.
    Inventor: Xin Zhang
  • Stress isolation platform for MEMS devices
    Patent number: 10759659
    Abstract: A MEMS product includes a stress-isolated MEMS platform surrounded by a stress-relief gap and suspended from a substrate. The stress-relief gap provides a barrier against the transmission of mechanical stress from the substrate to the platform.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: September 1, 2020
    Assignee: Analog Devices, Inc.
    Inventors: Xin Zhang, Michael Judy, George M. Molnar, Christopher Needham, Kemiao Jia
  • GATE DRIVER ON ARRAY CIRCUIT, DISPLAY PANEL AND DISPLAY DEVICE
    Publication number: 20200273418
    Abstract: The invention provides a GOA circuit, a display panel and a display device. The GOA circuit includes: a first voltage stabilizing module, including a first capacitor and a second capacitor, and one end of the first capacitor is connected to a connection point between a forward scan control signal and a forward and reverse scan control module; one end of the second capacitor is connected to a connection point between a reverse scan control signal and the forward and reverse scan control module.
    Type: Application
    Filed: December 27, 2018
    Publication date: August 27, 2020
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xin ZHANG, Juncheng XIAO, Yanqing GUAN
  • METHOD, DEVICE AND COMPUTER-READABLE STORAGE MEDIUM IMPLEMENTED IN OPTICAL NETWORK
    Publication number: 20200274618
    Abstract: Embodiments of the present disclosure relate to a method and an optical communication device implemented in an optical network and a computer-readable storage medium. In the method described herein, a distribution point unit (DPU) of the optical network receives a message comprising an identification of a target backhaul model from an Optical Line Terminal (OLT) in the optical network. The received message is parsed to obtain the identification of the target backhaul model. The target backhaul model indicated by the identification is used to communicate with the OLT. In this way, the DPU is compatible with many types of backhaul models and is capable of flexibly switching between the many types of backhaul models.
    Type: Application
    Filed: February 24, 2020
    Publication date: August 27, 2020
    Inventors: Yi LIU, Shugao SONG, Xin ZHANG
  • METHODS FOR DIRECTED DIFFERENTIATION OF PLURIPOTENT STEM CELLS TO HLA HOMOZYGOUS IMMUNE CELLS
    Publication number: 20200263139
    Abstract: Provided herein are methods for the efficient in vitro differentiation of HLA homozygous blood cell-derived pluripotent stem cells to hematopoietic precursor cells, and the further differentiation of the hematopoietic precursor cells into HLA homozygous immune cells of various myeloid or lymphoid lineages, particularly T cells, NK cells, and dendritic cells. The pluripotent cells may be maintained and differentiated under defined conditions; thus, the use of mouse feeder cells or serum is not required in certain embodiments for the differentiation of the hematopoietic precursor cells.
    Type: Application
    Filed: October 5, 2017
    Publication date: August 20, 2020
    Applicant: FUJIFILM Cellular Dynamics, Inc.
    Inventors: Maksym A. VODYANYK, Xin ZHANG, Andrew J. BRANDL, Deepika RAJESH, Bradley SWANSON, Christie MUNN, Sarah BURTON, Wen Bo WANG
  • SHEARER CUTTING UNIT WITH DOUBLE-SPEED ROLLERS
    Publication number: 20200263540
    Abstract: A shearer cutting unit with double-speed rollers includes a motor driving unit, a motor driving unit, a gear transmission unit and a roller output unit. The motor driving unit includes a left cutting motor and a right cutting motor which are both arranged in a cutting unit case and connected with the roller output unit in a transmission way through the gear transmission unit. The roller output unit comprises a middle output shaft (3-1), a far-end output shaft, a middle support frame, a middle roller, a far-end support frame and a far-end roller. A cutting roller is separated into two coaxially-rotating parts, and the two rollers can rotate in different speeds.
    Type: Application
    Filed: April 23, 2018
    Publication date: August 20, 2020
    Applicant: SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Kuidong GAO, Liqing SUN, Qingliang ZENG, Xin ZHANG, Wenbo XU, Liang WANG, Xiaodi ZHANG
  • Negative sample enhanced object detection machine
    Patent number: 10748281
    Abstract: A method and system of detecting abnormalities captured in a medical image are provided. A medical image is received having one or more lesions and one or more interferences. One or more convolution layers are applied to the medical image to create one or more feature maps, respectively. A region proposal network (RPN) is applied to each of the one or more feature maps to create a bounding box around each lesion and interference. For each bounding box, an object in the bounding box is classified as a lesion, an interference, or a background. Each object that is incorrectly classified as a lesion but determined to be an interference, is stored as a hard-negative example to be part of a training set for a next application of the RPN.
    Type: Grant
    Filed: July 21, 2018
    Date of Patent: August 18, 2020
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Xiaolu Zhang, Xin Zhang, Dingli Gao, Peng Gao, Xiu Li Li, Shiwan Zhao
  • LIGHT GUIDE WITH PATTERNED INK
    Publication number: 20200259053
    Abstract: A light-emitting device comprising: a light source; and a light guide that is optically coupled to the light source, the light guide including a plurality of first non-fluorescent light extraction elements and a plurality of second non-fluorescent light extraction elements that are printed on the light guide, each of the first light extraction elements having a reflectance that is higher than a reflectance of any of the second light extraction elements, each of the first light extraction elements having a light transmittance that is lower than a light transmittance of any the second light extraction elements, each of the first light extraction elements having the same shape and size as any other one of the plurality first light extraction elements, and each of the second light extraction elements having the same shape and size as any other one of the plurality of second light extraction elements.
    Type: Application
    Filed: April 28, 2020
    Publication date: August 13, 2020
    Inventors: Jeroen Den Breejen, Xin Zhang, Frederic Stephane Diana
  • THIN FILM TRANSISTOR ARRAY SUBSTRATE
    Publication number: 20200251503
    Abstract: A thin film transistor (TFT) array substrate is provided. The TFT array substrate includes a display device plate and a semiconductor layer disposed on the display device plate. A thickness of the semiconductor layer is less or equal to 35 nm.
    Type: Application
    Filed: March 25, 2019
    Publication date: August 6, 2020
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xin ZHANG, Lisheng LI, Peng HE
  • DISPLAY DEVICE
    Publication number: 20200249506
    Abstract: The present invention provides a display device including: a first liquid crystal cell including a first electrode layer, a polymer dispersed liquid crystal layer, and a first array substrate, wherein the first array substrate includes a second electrode layer, the second electrode layer includes a plurality of first pixel electrodes, and a light source is disposed at a side of the first liquid crystal cell.
    Type: Application
    Filed: April 24, 2019
    Publication date: August 6, 2020
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yong YANG, Xin ZHANG, Guowei ZHA, Guiyang ZHANG
  • NARROW-BEZEL DISPLAY MODULE AND DISPLAY DEVICE
    Publication number: 20200249721
    Abstract: A narrow-bezel display module includes a display panel, a drive chip, and a flexible printed circuit board. The display panel includes a glass substrate and a TFT substrate. The glass substrate includes a bottom border. The drive chip is attached on the bottom border of the glass substrate. The drive chip includes an output end and an input end arranged opposite to each other and two side surfaces. The input end is connected to a first metal layer of the TFT substrate. The output end is connected to a second metal layer of the TFT substrate. The flexible printed circuit board includes conductive leads and a first connection portion and a second connection portion extended from one side of the conductive leads. The first connection portion and the second connection portion are connected to the input end from the two side surfaces respectively.
    Type: Application
    Filed: March 6, 2019
    Publication date: August 6, 2020
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yantao LU, Xin ZHANG
  • System, method and computer program product for consolidation of requests for access to dynamic map
    Patent number: 10731997
    Abstract: A method, system, and computer program product, include receiving a plurality of requests for dynamic context information from a plurality of road segments, determining whether the plurality of road segments are included in a same cluster of road segments in a road network generated by clustering road segments in the road network based on connectivity of the road network; and consolidating the plurality of requests to generate a consolidated request in response to determining that the plurality of road segments are included in the same cluster.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: August 4, 2020
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Wei Shan Dong, Peng Gao, Chang Sheng Li, Chun Yang Ma, Ren Jie Yao, Xin Zhang
  • Generating a road network from location data
    Patent number: 10731995
    Abstract: The present disclosure relates to a method and system for generating a road network. An embodiment of the present invention provides a method comprising: identifying a target area to be refined in a road network skeleton; and refining the target area using at least one trajectory associated with the target area to generate the road network. Another embodiment of the present invention provides a corresponding system.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: August 4, 2020
    Assignee: International Business Machines Corporation
    Inventors: Jian Dong Ding, Ning Duan, Peng Gao, Peng Ji, Xin Zhang, Qian Kun Zhao
  • Integrated linear and angular MEMS accelerometers
    Patent number: 10732198
    Abstract: An electromechanical system (MEMS) accelerometer is described. The MEMS accelerometer may be configured to sense linear acceleration along one, two or three axes, and to sense angular acceleration about one, two or three axes. As such, the MEMS accelerometer may serve as 2-axis, 3-axis, 4-axis, 5-axis or 6-axis inertial accelerometer. In some embodiments, the MEMS accelerometer may comprise a single mass connected to at least one anchor via a plurality of tethers. In other embodiments, the MEMS accelerometer may comprise a proof mass connected to at least one anchor via a plurality of tethers and one or more shuttle masses connected to the proof mass via a second plurality of tethers. Rotational and linear motion of the MEMS accelerometer may be sensed using capacitive sensors.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: August 4, 2020
    Assignee: Analog Devices, Inc.
    Inventor: Xin Zhang
  • INTEGRATED CIRCUITS WITH PROGRAMMABLE GATE TIMING SIGNAL GENERATION FOR POWER CONVERTERS AND APPARATUS COMPRISING THE SAME
    Publication number: 20200244166
    Abstract: An apparatus is disclosed that includes a semiconductor device to control a power converter having two or more power FETs. The semiconductor device includes a gate signal generator configured to produce two or more gate signals able to drive the two or more FETs. The gate signal generator has programmable timing configuration parameters to control operation of the two or more gate signals, wherein the timing configuration parameters are digitally programmed via a memory in the semiconductor device. The memory may be implemented with fuses, other non-volatile memory or volatile memory. The parameters may be fixed or updated during a lifetime of the apparatus. A serial-to-parallel conversion may be used to input the parameters. Optimization methods may be performed to determine parameters considered to be optimal. The apparatus may also include the power converter.
    Type: Application
    Filed: January 25, 2019
    Publication date: July 30, 2020
    Inventors: Xin Zhang, Todd Edward Takken, Chung-shiang Wu, Robert Matthew Senger, Rudolf Adriaan Haring, Martin Ohmacht
  • 3-AXIS ANGULAR ACCELEROMETER
    Publication number: 20200241036
    Abstract: Angular accelerometers are described, as are systems employing such accelerometers. The angular accelerometers may include a proof mass and rotational acceleration detection beams directed toward the center of the proof mass. The angular accelerometers may include sensing capabilities for angular acceleration about three orthogonal axes. The sensing regions for angular acceleration about one of the three axes may be positioned radially closer to the center of the proof mass than the sensing regions for angular acceleration about the other two axes. The proof mass may be connected to the substrate though one or more anchors.
    Type: Application
    Filed: January 29, 2020
    Publication date: July 30, 2020
    Applicant: Analog Devices, Inc.
    Inventors: Xin Zhang, Jianglong Zhang, Alan O'Donnell
  • Generating a training model based on feedback
    Patent number: 10726332
    Abstract: A method and apparatus for generating a training model based on feedback are provided. The method for generating a training model based an feedback, includes calculating an eigenvector of a sample among a plurality of samples; obtaining scores granted by a user for one or more of the plurality of samples in a round, obtaining scores granted by the user for a first number of samples; obtaining scores granted by the user for a second number of samples in response to detecting, based on the eigenvector, an inconsistency between the scores granted by the user for the first number of samples; and generating a training model based on the scores granted by the user for the first and second numbers of samples. A corresponding apparatus is also provided.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: July 28, 2020
    Assignee: International Business Machines Corporation
    Inventors: Liangliang Cao, Ning Duan, Qian Lin, Chen Wang, Junchi Yan, Xin Zhang