Patents by Inventor Dong Xu

Dong Xu 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).

  • Publication number: 20250148041
    Abstract: Disclosed in the present invention are a dynamic maximal clique enumeration device and method based on an FPGA with an HBM, the method including: the HBM stores a dynamic edge flow, a complete graph adjacency matrix, and candidate cliques; a matrix computing unit updates the complete graph adjacency matrix based on the dynamic edge flow, transmits the updated complete graph adjacency matrix to the HBM for storage, and determines header nodes, of which the corresponding candidate clique needs to be updated; a sequence computing unit constructs, according to the updated complete graph adjacency matrix and each header node to be updated, the sorted data set for reconstructing candidate cliques by data block sequencing; and an update computing unit executes, in parallel, an update task of the candidate clique corresponding to each header node to be updated based on the sorted data set, transmits the updated candidate cliques to the HBM for storage, and transmits the updated candidate cliques to the PC host to ext
    Type: Application
    Filed: November 28, 2023
    Publication date: May 8, 2025
    Inventors: TING YU, DONG LI, YU ZHANG, HAO QI, TING JIANG, ZENGHUI XU, LINLIN HOU, JIN ZHAO, JI ZHANG
  • Patent number: 12295154
    Abstract: A wide bandgap semiconductor structure for an irradiation characteristic test includes a substrate with metal plates and a wide bandgap semiconductor part. The wide bandgap semiconductor part includes a gallium nitride layer, a barrier layer, P-type gallium nitride layers, source ohmic metal layers, and drain ohmic metal layers. The P-type gallium nitride layers are connected to a gate interconnection metal layer via gate metal layers and metal lead wires. A gate top metal layer is provided on the gate interconnection metal layer. Each source ohmic metal layer is provided with a source interconnection metal layer and source top metal layers. Each drain ohmic metal layer is provided with a drain interconnection metal layer and drain top metal layers. The wide bandgap semiconductor part is connected to the metal plates through the source top metal layers, the drain top metal layers, and the gate top metal layer.
    Type: Grant
    Filed: December 30, 2024
    Date of Patent: May 6, 2025
    Assignee: NANJING UNIVERSITY
    Inventors: Feng Zhou, Yu Rong, Hai Lu, Weizong Xu, Dong Zhou, Fangfang Ren
  • Patent number: 12288542
    Abstract: A method for accompaniment purity class evaluation and related devices are provided. Multiple first accompaniment data and a label corresponding to each of the multiple first accompaniment data are obtained, the label being used to indicate that corresponding first accompaniment data is pure instrumental accompaniment data or instrumental accompaniment data with background noise. An audio feature of each of the multiple first accompaniment data is extracted. Model training is performed according to the audio feature of each of the multiple first accompaniment data and the label corresponding to each of the multiple first accompaniment data, to obtain a neural network model for accompaniment purity class evaluation, a model parameter of the neural network model being determined according to an association relationship between the audio feature of each of the multiple first accompaniment data and the label corresponding to each of the multiple first accompaniment data.
    Type: Grant
    Filed: June 29, 2019
    Date of Patent: April 29, 2025
    Assignee: Tencent Music Entertainment Technology (Shenzhen) Co., Ltd.
    Inventor: Dong Xu
  • Patent number: 12287360
    Abstract: The present invention discloses a GaN HEMT device for irradiation damage detection which comprises a substrate layer, a gallium nitride layer, a barrier layer and a dielectric layer. A p-type gallium nitride layer is provided on the barrier layer. A drain and a source are respectively located at an inner side and an outer side of the p-type gallium nitride layer and provided on the gallium nitride layer. A Schottky metal layer is provided on the p-type gallium nitride layer. A first ohmic metal layer and a second ohmic metal layer are respectively located at an inner side and an outer side of the p-type gallium nitride layer and provided on the barrier layer. The second ohmic metal layer includes inner gear electrodes and outer gear electrodes, which are interdigital with each other.
    Type: Grant
    Filed: December 30, 2024
    Date of Patent: April 29, 2025
    Assignee: NANJING UNIVERSITY
    Inventors: Feng Zhou, Can Zou, Hai Lu, Weizong Xu, Dong Zhou, Fangfang Ren
  • Publication number: 20250132663
    Abstract: Provided are a three-phase power conversion circuit for a household electrical appliance, a household electrical appliance, and a power-on control method for a household electrical appliance. The three-phase power conversion circuit includes a three-level active PFC unit, at least two power-on units, and a control unit. The three-phase power, subsequent to being converted by the three-level active PFC unit, obtains a first DC power and a second DC power to supply power to corresponding loads. The power-on unit is arranged at input terminals of the three-level active PFC unit to buffer a device in the three-level active PFC unit when the three-level active PFC unit is powered on. A first controllable switch module and a second controllable switch module in the power-on unit and the three-level active PFC unit are controlled by the control unit to complete buffering.
    Type: Application
    Filed: December 24, 2024
    Publication date: April 24, 2025
    Applicants: FOSHAN SHUNDE MIDEA ELECTRIC SCIENCE AND TECHNOLOGY CO., LTD., GD MIDEA AIR-CONDITIONING EQUIPMENT CO., LTD.
    Inventors: Bin HU, Tan LONG, Hongming ZHOU, Zhaobin HUANG, Wenkai ZHANG, Xiaojun YAN, Jienan ZHANG, Dong WEI, Ran BI, Yunsong XU
  • Publication number: 20250132563
    Abstract: Provided are a method for controlling a full bus load to discharge in a household electrical appliance and related apparatuses. In the method, in response to determining that a half bus load is turned on and a full bus load is turned off, a voltage difference between a first DC power and a second DC power is determined to obtain a voltage difference. The first DC power and the second DC power are obtained by converting three-phase power through a three-level active PFC unit. Subsequent to the voltage difference between the first DC power and the second DC power being determined, a full bus load is controlled to be turned on or off based on the voltage difference to stabilize a half bus voltage in a predetermined voltage interval.
    Type: Application
    Filed: December 24, 2024
    Publication date: April 24, 2025
    Applicants: FOSHAN SHUNDE MIDEA ELECTRIC SCIENCE AND TECHNOLOGY CO., LTD., GD MIDEA AIR-CONDITIONING EQUIPMENT CO., LTD.
    Inventors: Bin HU, Tan LONG, Hongming ZHOU, Zhaobin HUANG, Wenkai ZHANG, Xiaojun YAN, Jienan ZHANG, Dong WEI, Ran BI, Yunsong XU
  • Publication number: 20250131003
    Abstract: Systems and methods of generating an interface are disclosed. A request for an interface including a search query is received and a set of search results are generated via a search engine. A set of initial content campaigns are selected based on a category associated with the search query and are filtered based on a similarity score generated for the search query and each content campaign to generate a set of candidate content campaigns. The set of candidate content campaigns is filtered based on an exploration content score and an exploitation content score to generate a set of final content campaigns. An interface is generated including at least one content element selected from the set of final content campaigns and at least one content element selected from the set of search results. The interface is transmitted to the requesting system, which is configured to display the interface on a display.
    Type: Application
    Filed: October 18, 2023
    Publication date: April 24, 2025
    Inventors: Dong Xu, Di Ai, Xinzi Sun
  • Patent number: 12281163
    Abstract: The present disclosure provides a dimer formed by two polypeptide chains, with each of the two polypeptide chains comprising an antibody Fc subunit, wherein the dimer comprises two or more immunoglobulin single variable domains (ISVDs), at least one of the ISVDs is specific for PD-L1, and at least one of the ISVDs is specific for CTLA4.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: April 22, 2025
    Assignee: JIANGSU ALPHAMAB BIOPHARMACEUTICALS CO., LTD.
    Inventors: Ting Xu, Kangping Guo, Dong Yang, Pilin Wang, Yuhao Jin, Xiaoxiao Wang
  • Publication number: 20250126824
    Abstract: The present invention discloses a GaN HEMT transistor with impact energy release capability for use in aerospace irradiation environment and preparation method thereof. The transistor includes a substrate layer, a gallium nitride layer, a barrier layer, and a gate structure successively arranged from bottom to top. The gallium nitride layers on both sides of the barrier layer are respectively provided with a source electrode and a drain electrode on the top surface. The gate structure is located near the source electrode and includes a p-type gallium nitride layer, a dielectric layer, an Ohmic metal pillar, and a Schottky metal layer. The present invention solves the breakdown problem caused by the inability to release impact energy during the switching process by introducing an asymmetric multi-integrated gate structure.
    Type: Application
    Filed: April 26, 2024
    Publication date: April 17, 2025
    Inventors: FENG ZHOU, YU RONG, HAI LU, WEIZONG XU, DONG ZHOU, FANGFANG REN
  • Patent number: 12276809
    Abstract: Disclosed are a super-resolution imaging system (1, 41, 51), a super-resolution imaging method, a biological sample identification system (4, 61) and method, a nucleic acid sequencing imaging system (5) and method, and a nucleic acid identification system (6) and method. The super-resolution imaging system (1, 41, 51) includes an illumination system (A) and an imaging system (B). The illumination system (A) outputs excitation light to irradiate a biological sample to generate excited light, and the imaging system (B) collects and records the excited light to generate an excited light image. The illumination system (A) includes an excitation light source (10, 10a) and a structured light generation and modulation device (11, 11a). The excitation light source (10, 10a) outputs the excitation light, and the structured light generation and modulation device (11, 11a) modulates the excitation light into structured light to irradiate the biological sample to generate the excited light.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: April 15, 2025
    Assignee: BGI SHENZHEN
    Inventors: Jielei Ni, Ming Ni, Fan Zhou, Zeyu Su, Ke Ji, Dong Wei, Mengzhe Shen, Yuanqing Liang, Mei Li, Xun Xu
  • Publication number: 20250109457
    Abstract: The present disclosure relates to the technical field of magnesium metallurgy, and in particular to a device and method for magnesium smelting by vacuum carbothermal reduction of calcined dolomite. The device includes a reaction chamber, a condensation chamber, a first temperature regulation module and an air pressure regulation module, and the reaction chamber is communicated with the condensation chamber via a gas-guide tube. In the present disclosure, different condensation zones are utilized to sequentially condense gaseous products based on dew points, effectively preventing impurities from entering the condensation process of magnesium.
    Type: Application
    Filed: December 12, 2024
    Publication date: April 3, 2025
    Inventors: Yang Tian, Tingzhuang Ma, Bin Yang, Baoqiang Xu, Wenlong Jiang, Fei Wang, Yifu Li, Lipeng Wang, Dong Liang, Rong Yu
  • Publication number: 20250103271
    Abstract: A method for audio sharing may include: establishing, by a first primary audio playing device of a first set of audio playing devices, a wireless connection with an audio sharing device, broadcasting, by the first primary audio playing device, a snoop enable message, the snoop enable message including information indicating a desired wireless communication channel, receiving, by the first primary audio playing device, a snoop consent event message sent on the desired wireless communication channel from a second primary audio playing device of a second set of audio playing devices, and snooping for and playing at least one audio packet sent on the desired wireless communication channel by an audio sharing device.
    Type: Application
    Filed: August 8, 2024
    Publication date: March 27, 2025
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Shaoying ZHAO, Dong XU, Xin PAN, Yajun ZHI
  • Patent number: 12261427
    Abstract: The present invention discloses a manual type C-shaped wire clamp operating device, includes an insulating operating rod, wherein an upper end of the insulating operating rod is provided with a threaded rod, and the threaded rod includes an upper thread and a lower thread; a wire clamp clamping device, wherein the wire clamp clamping device includes a first spring, a wire clamp seat and a floating clamping block located above the wire clamp seat, a wire clamp seat threaded hole is formed in the wire clamp seat, the wire clamp seat threaded hole is in fit connection with the lower thread of the threaded rod; a drainage wire pressing device, wherein the drainage wire pressing device includes a guide rod arranged on the wire clamp seat and a drainage wire pressing block sliding along the guide rod, and a pressing block threaded hole is formed in the drainage wire pressing block.
    Type: Grant
    Filed: December 9, 2022
    Date of Patent: March 25, 2025
    Assignee: STATE GRID ZHEJIANG TONGXIANG ELECTRIC POWER SUPPLY COMPANY
    Inventors: Dong Qian, Guoliang Liu, Hong Xu, Chongxi Zhu, Shengwei Shen, Jinfan Sun, Aoyang Hu, Wei Zeng
  • Publication number: 20250086005
    Abstract: A digital twin-based edge-end collaborative scheduling method for heterogeneous tasks and resources includes the following steps: establishing an edge wireless network based on digital twin; constructing an edge-end collaborative scheduling problem prototype of the heterogeneous tasks and resources; performing problem conversion based on a multi-agent Markov decision process; constructing an Actor-Critic neural network model based on multi-agent deep reinforcement learning; performing offline centralized training of the neural network model by digital twin; performing online distributed execution of task offloading and computation and communication resource allocation by end devices to collaboratively process the heterogeneous tasks.
    Type: Application
    Filed: July 5, 2023
    Publication date: March 13, 2025
    Inventors: Chi XU, Haibin YU, Xi JIN, Changqing XIA, Dong LI, Peng ZENG
  • Publication number: 20250083584
    Abstract: Provided is a transfer vehicle, including: a vehicle body; a rotating mechanism, including an annular track vertically arranged above the vehicle body, a crawler belt arranged along an end surface of the annular track, and a first driving device connected to the crawler belt; a plurality of material receiving rods arranged at intervals on a side of the rotating mechanism, wherein each material receiving rod includes an inner rod and an outer rod sleeved on the inner rod, and the inner rod is connected to the crawler belt; a docking auxiliary mechanism arranged beside a docking station on the side of the rotating mechanism, including a pushing device and a positioning device, wherein the positioning device is configured to determine an orientation of a target docking position; and a control mechanism configured to control movement of the vehicle body.
    Type: Application
    Filed: September 7, 2024
    Publication date: March 13, 2025
    Applicants: ZHEJIANG HENGYI PETROCHEMICAL CO., LTD., ZHEJIANG SHUANGTU NEW MATERIALS CO., LTD.
    Inventors: Peng WANG, Xiantao PENG, Dake LI, Dong JIANG, Chun FENG, Weike LI, Jian WANG, Renfang XU
  • Publication number: 20250085717
    Abstract: Provided is a doffing scheduling method and apparatus for yarn spindle product, and storage medium, applied in an automatic doffing system, relating to the field of computer technology, and particularly to the field of automation control. The automatic doffing system is connected to an automated guided vehicle, (AGV) and an overhead rail doffing vehicle, the AGV and the overhead rail doffing vehicle being deployed in different vertical spaces within a target workshop. The method includes: determining a target doffing vehicle corresponding to a first winding machine in the target workshop from the AGV and the overhead rail doffing vehicle based on time-related information of doffing the yarn spindle product in all or part of winding machines in the target workshop; scheduling the target doffing vehicle to complete a doffing task of the yarn spindle product in the first winding machine.
    Type: Application
    Filed: August 12, 2024
    Publication date: March 13, 2025
    Inventors: Xiantao PENG, Peng WANG, Dake LI, Dong JIANG, Weike LI, Jian WANG, Feng XU
  • Patent number: 12248423
    Abstract: An apparatus includes logic circuitry that selects a retag transaction identifier for an original transaction identifier of an incoming transaction request, based on a plurality of sub-groups of retag tracking data. Each sub-group of retag tracking data is associated with a corresponding sub-group of retag transaction identifiers in a group of retag transaction identifiers. The logic circuitry retags the incoming transaction request with the selected retag transaction identifier (ID) by replacing the original transaction identifier associated with the incoming transaction request and sends the retagged incoming transaction request to a target. A returned response is received from the target. The retag transaction ID in the returned response is removed and replaced with the original transaction ID before being sent as a reply to the requesting unit. Associated methods are also presented.
    Type: Grant
    Filed: February 2, 2023
    Date of Patent: March 11, 2025
    Assignees: ADVANCED MICRO DEVICES, INC., ATI TECHNOLOGIES ULC
    Inventors: Buheng Xu, Dong Yu, Philip Ng, Lianji Cheng
  • Patent number: 12246324
    Abstract: A gene sequencing reaction device, a gene sequencing system and a gene sequencing reaction method. The gene sequencing reaction device includes: a supporting platform; a dipping container disposed on the supporting platform, wherein the dipping container has a dipping reaction area, and the dipping reaction area is configured to hold a chemical reagent for gene sequencing reaction, so as to dip a sequencing chip having a DNA sample loading structure on the surface and having a DNA sample loaded thereon in the chemical reagent to perform a gene sequencing reaction; a temperature control apparatus, configured to control the temperature of the chemical reagent in the dipping reaction area; and a transfer apparatus, configured to insert the sequencing chip into the dipping reaction area or pull out the sequencing chip from the dipping reaction area.
    Type: Grant
    Filed: November 21, 2023
    Date of Patent: March 11, 2025
    Assignee: MGI Tech Co., LTD.
    Inventors: Wei Ma, Xun Xu, Jiabo Wu, Ming Ni, Dong Wei, Jiansheng Tang
  • Patent number: 12248143
    Abstract: A compact eyeprint imaging device is provided. The device includes a plano-convex lens, a right angle triangular prism, a micro lens array, an imaging detector and an external package. The plano-convex lens and the micro lens array are glued on an inclined face of the right angle triangular prism and two right angle faces of the right angle triangular prism are coated with reflecting films, so as to form an integrated combined optical unit, which is inserted into the external package together with the imaging detector. The device is wholly installed on a glasses frame. Light emitted by the eyeprint passes through the plano-convex lens to form parallel light beams, which are reflected twice through the two right angle faces of the right angle triangular prism and then focused through the micro lens array, so as to form a multi-aperture eyeprint image array on the imaging detector.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: March 11, 2025
    Inventors: Dong Xu, Weihua Song
  • Publication number: 20250077539
    Abstract: A system, method, and computer program product are configured to extract key value pair (KVP) data from one or more documents; obtain a content index for the one or more documents; and enhance the content index with the KVP data to provide a KVP content index.
    Type: Application
    Filed: September 1, 2023
    Publication date: March 6, 2025
    Inventors: Dong Rui Li, Xue Lan Zhang, Xue Xu, Zai Ming Lao, YE CHEN