Patents by Inventor Yunfei Liu

Yunfei Liu 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: 20250058537
    Abstract: Disclosed are a follow-up control method and follow-up control system for a forming machine. The follow-up control method comprises: responding to an instruction for a forming drum module to move from a fitting station to a locking ring station, controlling the forming drum module and the stitching and pressing roller module to move towards the ring locking station, in which the moving speed of the stitching and pressing roller module to the ring locking station has a pre-set speed difference from the moving speed of the forming drum module to the ring locking station, controlling a sewing pressure roller module to perform a sewing operation on a compound joint on a molding drum module, and when the molding drum module reaches a pre-set position before a loop locking position of the loop locking station, the sewing pressure roller module completes the sewing operation.
    Type: Application
    Filed: December 22, 2022
    Publication date: February 20, 2025
    Inventors: HUILI YANG, YUNFEI LIU, GANG XIE, DONGYUN HOU, YAXIONG CHEN
  • Publication number: 20250042114
    Abstract: Disclosed are a control method and control system for a tire forming machine, and a readable storage medium.
    Type: Application
    Filed: December 22, 2022
    Publication date: February 6, 2025
    Inventors: HUILI YANG, GANG XIE, YUNFEI LIU, DONGYUN HOU, YAXIONG CHEN
  • Patent number: 12141996
    Abstract: The embodiments of the present disclosure disclose gaze estimation cross-scene adaptation method and device based on outlier guidance. A specific implementation of the method comprises: performing pre-training on a source domain based on a given arbitrary gaze estimation model, to obtain a collaborative learning model group; determining an average collaborative model corresponding to each collaborative learning model in the collaborative learning model group, to obtain an average collaborative model group; generating an outlier corresponding to the collaborative learning model group based on a target image, the collaborative learning model group and the average collaborative model group; using an outlier loss function and the outlier to optimize the collaborative learning model group; using any collaborative learning model in the optimized collaborative learning model group to perform gaze estimation.
    Type: Grant
    Filed: December 24, 2021
    Date of Patent: November 12, 2024
    Assignee: Beihang University
    Inventors: Feng Lu, Yunfei Liu
  • Publication number: 20240278420
    Abstract: A robot and a robot control method are provided. The robot includes: a robot body, a pose detector being mounted on the robot body; a chassis body provided at a bottom of the robot body; a moving assembly connected to the robot body through a suspension shock absorber, the moving assembly being further connected to a controllable damping rotating shaft, and rotationally connected to the chassis body through the controllable damping rotating shaft; and a controller electrically connected to the pose detector and the controllable damping rotating shaft, respectively, and used to control the controllable damping rotating shaft to change rotational resistance according to pose information of the robot detected by the pose detector.
    Type: Application
    Filed: September 27, 2022
    Publication date: August 22, 2024
    Inventor: Yunfei LIU
  • Publication number: 20240283263
    Abstract: Disclosed is a robot assembly, including: a robot body and a charging pile, wherein a chassis of the robot body is provided with a positioning groove and a guide groove, a first positive electrode contact and a first negative electrode contact are arranged in the positioning groove, the charging pile is provided with a contact seat selectively matching the positioning groove, and the contact seat is provided with a second positive electrode contact and a second negative electrode contact; and the guide groove has a larger cross-sectional area than the positioning groove, the contact seat enters the positioning groove under the guide action of the guide groove, so that the first positive electrode contact makes contact with the second positive electrode contact, and the first negative electrode contact makes contact with the second negative electrode contact.
    Type: Application
    Filed: October 12, 2022
    Publication date: August 22, 2024
    Inventors: Yunfei LIU, Huaqing SUN
  • Publication number: 20240249431
    Abstract: The embodiments of the present disclosure disclose a method for estimating the gaze directions of multiple persons in images, including: a novel method for estimating the gaze directions of multiple persons in images, being able to predict the gaze direction of a single or multiple face regions in an image accurately and in real-time; a novel multi-task learning network structure, which simultaneously predict the gaze directions of multiple face regions in the image through one-time calculation; a self-supervised loss function based on two-dimensional projection, which be used to supervise three-dimensional gaze direction estimation; a novel method for generating gaze direction replacement data of multiple face regions, being able to quickly generate a large amount of labeled realistic data, for training and testing of a deep learning model; the proposed network is trained end-to-end on the constructed data, then the model can predict the gaze direction in real-time during deployment testing.
    Type: Application
    Filed: March 6, 2024
    Publication date: July 25, 2024
    Inventors: Feng LU, Yunfei LIU
  • Patent number: 12014475
    Abstract: The embodiments of this disclosure disclose an unsupervised image-to-image translation method. A specific implementation of this method comprises: obtaining an initial image, and zooming the initial image to a specific size; performing spatial feature extraction on the initial image to obtain feature information; inputting the feature information to a style-content separation module to obtain content feature information and style feature information; generating reference style feature information of a reference image in response to obtaining the reference image, and setting the reference style feature information as a Gaussian noise in response to not obtaining the reference image; inputting the content feature information and the reference style feature information into a generator to obtain a target image; and zooming the target image to obtain a final target image. This implementation can be applied to a variety of different high-level visual tasks, and improve the expandability of the whole system.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: June 18, 2024
    Assignee: Beihang University
    Inventors: Feng Lu, Yunfei Liu
  • Publication number: 20240129192
    Abstract: This application discloses a network deployment configuration method and apparatus, and belongs to the field of network technologies. The method includes: obtaining user intent, and obtaining first network deployment configuration information of a user network based on the user intent. The user intent is for deploying the user network, the user intent includes scenario information of the user network and service information of the user network, the scenario information indicates a usage scenario corresponding to the user network, the service information indicates at least one network service deployed in the user network, and the first network deployment configuration information includes device information of at least one network device for planning the user network, a network topology of the network device, and a configuration parameter of the network device.
    Type: Application
    Filed: December 28, 2023
    Publication date: April 18, 2024
    Inventors: Yunfei Liu, Rongkun Peng
  • Patent number: 11927853
    Abstract: The embodiments of the present disclosure relate to the field of display technology, and in particular to a display substrate, a display panel, and a display device. The display substrate includes a first electrode, a first wire, and a second wire; the first electrode is provided with a plurality of slits; the first wire is provided on a side of the first electrode, and a first gap is provided between the first wire and the first electrode, and the first wire being electrically connected to the first electrode; a second wire provided on a side of the first electrode away from the first wire, and a second gap being provided between the second wire and the first electrode; wherein each of the slits is provided with a first end and a second end opposed to each other, and the first end is close to the first wire, and the second end is close to the second wire, and a light-transmitting part of the first end is larger than a light-transmitting part of the second end.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: March 12, 2024
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yunfei Liu, Wei Zhang, Jilei Gao, Bin Li, Benzhi Xu, Chao Li, Lu Niu, Qi Liu
  • Patent number: 11868799
    Abstract: Disclosed in the present disclosure is a command information transmission method, applied to a Physical Function (PF) port. The method includes: parsing a received interrupt request to obtain a target Virtual Function (VF) port; determining a target physical-side interrupt handler corresponding to the target VF port; obtaining target command information corresponding to the target physical-side interrupt handler in a device memory overlap region, where the device memory overlap region is an overlap region obtained by performing memory mapping on the PF port and each VF port in a host address space by a device memory overlap mapping technology; and executing switching to the target physical-side interrupt handler, and performing a response operation on the target command information.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: January 9, 2024
    Assignee: INSPUR SUZHOU INTELLIGENT TECHNOLOGY CO., LTD.
    Inventor: Yunfei Liu
  • Publication number: 20230373033
    Abstract: The disclosure provides a laser surface treatment method and a laser surface treatment station. The laser surface treatment method is applied to a surface to be adhesively bonded of a casting of a vehicle body-in-white part, wherein the laser surface treatment method comprises the following steps: S1: providing the casting of the vehicle body-in-white part, the casting having been demolded and machined; and S2: performing laser surface treatment on the surface to be adhesively bonded of the casting, the surface to be adhesively bonded being used for a subsequent adhesive application process for connection of the casting, wherein the laser surface treatment is carried out by pulse laser, and the laser surface treatment employs the following parameters: an average laser power greater than 500 W; a laser frequency ranging from 5 kHz to 10 kHz; and laser single-point energy greater than 50 mJ.
    Type: Application
    Filed: May 22, 2023
    Publication date: November 23, 2023
    Inventors: Liang GAO, Boyu WANG, Shuo LI, Weijia SONG, Yongrui CUI, Yunling BAI, Chunmei SHI, Yunfei LIU, Huachu LIU
  • Patent number: 11774516
    Abstract: The present application provides a detecting method of an operating state of a power supply and a detecting apparatus, where the power supply includes a primary circuit, a transformer and a secondary circuit. The secondary circuit includes a secondary current detecting unit, a temperature detecting unit and a secondary controlling unit. Firstly the secondary current detecting unit detects a current value of the secondary circuit, then the secondary controlling unit compares the current value of the secondary circuit with a preset current threshold. When the current value of the secondary circuit is less than or equal to the preset current threshold, the temperature detecting unit detects a temperature value of the power supply and the secondary controlling unit determines the operating state of the power supply according to the acquired temperature value of the power supply.
    Type: Grant
    Filed: April 22, 2022
    Date of Patent: October 3, 2023
    Assignee: Delta Electronics (Shanghai) Co., Ltd.
    Inventors: Yunfei Liu, Haibin Song, Daofei Xu, Jinfa Zhang
  • Publication number: 20230229485
    Abstract: Disclosed in the present disclosure is a command information transmission method, applied to a Physical Function (PF) port. The method includes: parsing a received interrupt request to obtain a target Virtual Function (VF) port; determining a target physical-side interrupt handler corresponding to the target VF port; obtaining target command information corresponding to the target physical-side interrupt handler in a device memory overlap region, where the device memory overlap region is an overlap region obtained by performing memory mapping on the PF port and each VF port in a host address space by a device memory overlap mapping technology; and executing switching to the target physical-side interrupt handler, and performing a response operation on the target command information.
    Type: Application
    Filed: January 25, 2021
    Publication date: July 20, 2023
    Inventor: Yunfei LIU
  • Publication number: 20230100946
    Abstract: A display panel having an active area includes: an array substrate and an opposite substrate disposed opposite to the array substrate. The array substrate includes a first substrate and a conductive structure disposed on the first substrate. The conductive structure is located on a side of the active area. On a side of the conductive structure away from the active area, a side surface of the conductive structure is substantially flush with a side surface of the first substrate. On the side where the conductive structure is located, an edge of an orthographic projection of the opposite substrate on a plane where the array substrate is located is located outside an edge of the array substrate.
    Type: Application
    Filed: May 14, 2021
    Publication date: March 30, 2023
    Inventors: Chao LI, Wei ZHANG, Jilei GAO, Bin LI, Benzhi XU, Xipeng WANG, Yunfei LIU, Qi LIU, Yonggang ZHANG
  • Patent number: 11594496
    Abstract: A device area and a marking area neighboring the device area over a dielectric stack are determined. The dielectric stack includes insulating material layers and sacrificial material layers arranged alternatingly over a substrate. The device area and the marking area are patterned using a same etching process to form a marking pattern having a central marking structure in a marking area and a staircase pattern in the device area. The marking pattern and the staircase pattern have a same thickness equal to a thickness of at least one insulating material layer and one sacrificial material layer, and the central marking structure divides the marking area into a first marking sub-area farther from the device area and a second marking sub-area closer to the device area. A first pattern density of the first marking sub-area is greater than or equal to a second pattern density of the second marking sub-area.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: February 28, 2023
    Assignee: YANGTZE MEMORY TECHNOLOGIES CO., LTD.
    Inventors: Lin Chen, Yunfei Liu, Meng Wang
  • Patent number: 11552025
    Abstract: Embodiments of a marking pattern in forming the staircase structure of a three-dimensional (3D) memory device are provided. In an example, a semiconductor device includes a stack structure having insulating layers and conductor layers arranged alternatingly over a substrate along a vertical direction; and a marking pattern having interleaved layers over the substrate and neighboring the stack structure. The marking pattern includes a central marking structure located in a marking area. The central marking structure consists of interleaved layers and divides the marking area into a first marking sub-area and a second marking sub-area. A first pattern density of the first marking sub-area is higher than or equal to a second pattern density of the second marking sub-area.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: January 10, 2023
    Assignee: YANGTZE MEMORY TECHNOLOGIES CO., LTD.
    Inventors: Lin Chen, Yunfei Liu, Meng Wang
  • Patent number: 11545442
    Abstract: Embodiments of a marking pattern in forming the staircase structure of a three-dimensional (3D) memory device are provided. In an example, a marking pattern for controlling a trimming rate of a photoresist trimming process includes a plurality of interleaved layers, the plurality of interleaved layers including at least two layers of different materials stacking along a vertical direction over a substrate. In some embodiments, the marking pattern also includes a central marking structure that divides the marking area into a first marking sub-area farther from a device area and a second marking sub-area closer to the device area, a first pattern density of the first marking sub-area being higher than or equal to a second pattern density of the second marking sub-area.
    Type: Grant
    Filed: November 21, 2020
    Date of Patent: January 3, 2023
    Assignee: YANGTZE MEMORY TECHNOLOGIES CO., LTD.
    Inventors: Lin Chen, Yunfei Liu, Meng Wang
  • Publication number: 20220405953
    Abstract: The embodiments of the present disclosure disclose gaze estimation cross-scene adaptation method and device based on outlier guidance. A specific implementation of the method comprises: performing pre-training on a source domain based on a given arbitrary gaze estimation model, to obtain a collaborative learning model group; determining an average collaborative model corresponding to each collaborative learning model in the collaborative learning model group, to obtain an average collaborative model group; generating an outlier corresponding to the collaborative learning model group based on a target image, the collaborative learning model group and the average collaborative model group; using an outlier loss function and the outlier to optimize the collaborative learning model group; using any collaborative learning model in the optimized collaborative learning model group to perform gaze estimation.
    Type: Application
    Filed: December 24, 2021
    Publication date: December 22, 2022
    Inventors: Feng LU, Yunfei LIU
  • Patent number: D988918
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: June 13, 2023
    Inventor: Yunfei Liu
  • Patent number: D1049093
    Type: Grant
    Filed: July 26, 2022
    Date of Patent: October 29, 2024
    Assignee: Wei Yu (Shenzhen) Technology Co., LTD
    Inventor: Yunfei Liu