Patents by Inventor Xiaofeng Wu

Xiaofeng Wu 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: 12253750
    Abstract: Provided is a liquid crystal handwriting board. The liquid crystal handwriting board includes: a liquid crystal panel, a photosensitive assembly, and a control assembly; wherein the liquid crystal panel includes a first substrate and a second substrate that are opposite; the photosensitive assembly includes a plurality of photosensitive elements; and the control assembly is electrically connected to the liquid crystal panel and the photosensitive assembly, and is configured to determine position information of a pixel region for erasure by detecting position information of target light irradiated to the liquid crystal panel by the photosensitive assembly and supply a pixel voltage to the plurality of pixel electrodes in the pixel region for erasure, such that a voltage difference is present between the plurality of pixel electrodes in the pixel region for erasure and the common electrode.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: March 18, 2025
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jiaxing Wang, Hao Yan, Xiaojuan Wu, Hongliang Yuan, Jian Wang, Yao Bi, Jinshuai Duan, Yang Ge, Zhilong Duan, Zhiqiang Yu, Xianglei Qin, Xiuliang Wang, Xiaofeng Yin
  • Patent number: 12252889
    Abstract: A construction method for a radiation-proof concrete hole reserved split bolt includes: 1) mounting a hole reserved sleeve; 2) mounting an inclined recoverable split bolt; 3) mounting an inclined split bolt; 4) fixing the inclined recoverable split bolt and an inclined split bolt main body; 5) pouring concrete, and dismantling related components; 6) plugging the inclined split bolt main body; and 7) plugging the hole reserved sleeve. According to the construction method, the hole reserved sleeve is obliquely arranged, the inner side of the hole reserved sleeve is sprayed with a radiation-proof coating with the functions of reducing radiation ray reflection and absorbing certain radiation rays, and in addition, after the construction of a pipeline or a line in the hole reserved sleeve is finished, the openings at both ends of the hole reserved sleeve are plugged with a radiation-proof mortar incorporated with a micro-expanding agent and a waterproof agent.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: March 18, 2025
    Assignees: China Railway The Third Engineering Group Construction and Installation Engineering Co., Ltd., The Third Engineering Group Co., Ltd. of China Railway
    Inventors: Zhiqiang Wang, Xiaofeng Wang, Huasong Yin, Wei Wu, Junyi Meng, Liangliang Lian, Xiuru Cheng, Zhipeng Yao, Wenkui Gao, Yuan Zhao, Ze Zhang, Le Ren, Yingbo Dong, Lin Li, Yajuan Zhang
  • Publication number: 20250053279
    Abstract: The embodiments of the disclosure provide a method, apparatus, device and storage medium for presenting information, which relate to the technical field of computers. The method includes: obtaining object search information, in response to the object search information being object category information, determining a target object category corresponding to the object search information, and presenting object information of a plurality of target objects corresponding to the target object category in a search result presentation page; where all the plurality of target objects are different, and object information of a target object includes object attribute information and image resource information of the target object. By employing the above technical solution, when the user is searching the object category, object information of a plurality of target objects different from each other corresponding to the target object category is presented in the search result page.
    Type: Application
    Filed: August 9, 2024
    Publication date: February 13, 2025
    Inventors: Jing LIN, Duanliang ZHOU, Long RU, Chao WU, Conghai YAO, Yelun LIU, Bin QIAN, Siyi YE, Jie WANG, Wenhao LI, Wenjing LIU, Shengan CAI, Tingting YANG, Yiwei WANG, Junjun YAO, Yifei QIU, Ju YANG, Yunfei SONG, Chuan ZHAO, Xianhui WEI, Xiaofeng WANG, Jianwen WU, Meng CHEN, Mang WANG, Peng HE, Kaijian LIU, Liangpeng XU, Yuhang LIU, Xiang XIAO, Runyu CHEN, Da LEI, Xiangnan LUO, Zheng PENG, Shaolong CHEN, Binghua XU, Hongtao XUE, Guorong ZHU, Qinglin XU, Pingping HUANG, Hongtao HU
  • Publication number: 20250044266
    Abstract: A method for quantitatively detecting hydroquinone including: using a “NaClO2—C4H13NO—Na2S4O6” CAT clock reaction system as a detection solution, wherein C4H13NO is tetramethylammonium hydroxide; recording a graph showing that a pH value in the CAT clock reaction system changes with time; obtaining the fact that the CAT clock reaction systems show different induction times to added solutions of hydroquinone with different concentrations; establishing a working curve based on a relationship between the concentrations of hydroquinone in the CAT clock reaction system and the induction times, thereby achieving a quantitative detection of the hydroquinone in a test sample.
    Type: Application
    Filed: February 14, 2024
    Publication date: February 6, 2025
    Applicant: ANHUI UNIVERSITY
    Inventors: Gang HU, Xiaofeng WANG, Lixue WU, Jun WANG
  • Publication number: 20250040606
    Abstract: A metal heating film includes: a nickel-chromium-alloy-based metal heating film or a nickel-based metal heating film; and at least one of metal elements Ru, Pt, and Pd. In an embodiment.
    Type: Application
    Filed: October 17, 2024
    Publication date: February 6, 2025
    Inventors: Hua LIU, Yuchao LIAO, Hongming ZHOU, Xiaofeng LIAO, Ziyu WU
  • Patent number: 12203917
    Abstract: The present disclosure provides a method for determining an ore-forming environment of a porphyry deposit based on a tourmaline component, including the following steps: collecting a tourmaline-containing rock in the porphyry deposit to obtain a rock sample; performing pretreatment on the rock sample to obtain a treated sample; performing an in-situ tourmaline trace element test on the treated sample to obtain a test result; performing data processing and interpretation on the test result to obtain tourmaline trace element data; establishing a discrimination factor based on the tourmaline trace element data; and determining the ore-forming environment based on the discrimination factor. The present disclosure can quickly recognize a forming environment of a newly discovered porphyry deposit, thereby summarizing a rule and quickly giving guidance for a next prospecting direction.
    Type: Grant
    Filed: March 7, 2024
    Date of Patent: January 21, 2025
    Assignees: CHINA UNIVERSITY OF GEOSCIENCES (BEIJING), Tibet Julong Copper Co., Ltd.
    Inventors: Youye Zheng, Jianzhou Yi, Peng Liu, Song Wu, Xiaofang Dou, Quansheng Shen, Zhixin Zhang, Jinling Liao, Jiancuo Luosang, Defu Shu, Qiong Ci, Xiaofeng Liu
  • Patent number: 12194634
    Abstract: The present application relates to the field of error detection technology. An error detection method is provided. The error detection method includes: obtaining a target pose of an end of an operating arm; acquiring a positioning image; recognizing, in the positioning image, a plurality of pose identifications located on the end of the operating arm, the plurality of pose identifications including different pose identification patterns; determining an actual pose of the end of the operating arm based on the plurality of pose identifications; and generating a control signal related to a fault in response to the target pose and the actual pose meeting an error detection condition.
    Type: Grant
    Filed: December 30, 2022
    Date of Patent: January 14, 2025
    Assignees: THE FIRST AFFILIATED HOSPITAL OF NAVAL MEDICAL UNIVERSITY, BEIJING SURGERII ROBOTICS COMPANY LIMITED
    Inventors: Linhui Wang, Bo Yang, Chao Zhang, Zongqin Zhang, Tie Zhou, Hong Xu, Chengwu Xiao, Xiaofeng Wu, Kai Xu
  • Patent number: 12091511
    Abstract: The present invention relates to sulfur based polymers and a process of making sulfur based polymers. The invention also relates to sorbents comprising the sulfur-based polymers. The invention also relates to the use of such polymers and sorbents in metal remediation or extraction. The invention also relates to methods of removing heavy metals from fluids.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: September 17, 2024
    Assignee: THE UNIVERSITY OF LIVERPOOL
    Inventors: Xiaofeng Wu, Douglas Parker, Thomas Hasell
  • Publication number: 20240157575
    Abstract: A humanoid finger mechanism includes: a finger seat; at least one proximal knuckle, located at an outer side of the finger seat; at least one middle knuckle, located at an outer side of the at least one proximal knuckle; a distal knuckle, located at an outer side of the at least one middle knuckle; a driver, located at an inner side of the finger seat; a driving cable, wherein a first end of the driving cable is connected with the driver, while a second end of the driving cable is connected with the distal knuckle after sequentially penetrating through the finger seat, the at least one proximal knuckle and the at least one middle knuckle; and a tension band, a first end of the tension band is connected with the finger seat, while a second end of the tension band is connected with the distal knuckle.
    Type: Application
    Filed: November 29, 2021
    Publication date: May 16, 2024
    Applicant: CHANGZHOU INSTITUTE OF TECHNOLOGY
    Inventors: Hongliang HUA, Shihong WU, Xiaofeng WU, Yongjiang CHEN, Xiaojun WANG, Cheng HUANG
  • Publication number: 20240095596
    Abstract: Implementations of the present specification describe an intention identification model training method and apparatus, and an intention identification method and apparatus. According to the methods in the implementations, training of a target question can be weakened in the first several rounds of model training, and then an intention identification model obtained in the first several rounds of training can be used to identify intentions corresponding to answers that are to be distinguished. Further, the intention identification model is trained again after labels of these intentions are reset, so that the intention identification model obtained through training can also have a good identification effect on an answer to the target question, thereby improving accuracy of intention identification.
    Type: Application
    Filed: September 14, 2023
    Publication date: March 21, 2024
    Inventors: Weiqiang WANG, Haotian WANG, Xiaofeng WU
  • Publication number: 20240070182
    Abstract: Implementations of the present specification disclose an event risk detection method, apparatus, and device.
    Type: Application
    Filed: August 28, 2023
    Publication date: February 29, 2024
    Inventors: Wenbiao ZHAO, Haotian WANG, Xiaofeng WU, Weiqiang WANG
  • Publication number: 20240063886
    Abstract: An apparatus for wireless communication, comprising a processing unit adapted for executing a beam-alignment protocol based on a sequence of communication data-patterns, each associated with one of a sequence of alignment subcarrier-frequency slots. The protocol comprises receiving a plurality of receive information records, one from each of a plurality of wireless end devices and indicative of a plurality of signal qualities of the sequence of beam-alignment signals. Each beam alignment signal is received by the respective wireless end device in an alignment subcarrier-frequency-slot associated with the respective communication data-pattern associated with the beam-alignment signal. The protocol further comprises computing according to the plurality of receive information records a plurality of preferred communication channels, each for one of a plurality of wireless access points, and configuring the plurality of wireless access points according to the plurality of preferred communication channels.
    Type: Application
    Filed: October 27, 2023
    Publication date: February 22, 2024
    Inventors: Maria Fresia, Stefano Buzzi, Carmen D'Andrea, Xiaofeng Wu
  • Patent number: 11851858
    Abstract: The pull-out head integrated waterway structure, including an integrated waterway body, the waterway body is provided with a second valve cavity and a first valve cavity through the waterway body, the first valve cavity is connected to the water inlet end of the waterway body through a first cavity, the first valve cavity and second valve cavity are connected through a second cavity, the second valve cavity is connected to the water outlet end of the waterway body through the outlet cavity, a first control spigot is provided in the first valve cavity for controlling the size of water flow, a second control spigot is provided in the second valve cavity for switching water flow to a different outlet cavity. The waterway body adopts integrated injection molding, avoiding the connection of different parts, improving the strength performance of the waterway, improving the strength of the product.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: December 26, 2023
    Inventors: Xiaofeng Wu, Yukang Zhang
  • Publication number: 20230339760
    Abstract: The invention discloses a method for preparing graphene by mechanical exfoliation and application thereof. The method includes the following steps of: (1) dispersing graphite raw material in a foaming agent aqueous solution to obtain a graphite pre-dispersing solution; and (2) subjecting the graphite pre-dispersing solution to milling, washing with water, and centrifugal classification, to obtain the graphene; wherein the foaming agent aqueous solution includes the following components: sodium alpha-olefin sulfonate, sodium alcohol ether sulphate, diethanolamine coconut fatty acid, polyethylene glycol, and water. In the invention, the foaming agent produce a large amount of stable and fine foam in a closed milling cavity, which can produce jostle effect, support the graphite, and increase the contact area between the graphite and the milling medium, so as to achieve good exfoliation effect.
    Type: Application
    Filed: June 21, 2023
    Publication date: October 26, 2023
    Inventors: Jianfeng Xu, Qian Lin, Xiaofeng Wu, Yuan Wang, Dingshan Ruan, Changdong Li
  • Publication number: 20230219221
    Abstract: The present application relates to the field of error detection technology. An error detection method is provided. The error detection method includes: obtaining a target pose of an end of an operating arm; acquiring a positioning image; recognizing, in the positioning image, a plurality of pose identifications located on the end of the operating arm, the plurality of pose identifications including different pose identification patterns; determining an actual pose of the end of the operating arm based on the plurality of pose identifications; and generating a control signal related to a fault in response to the target pose and the actual pose meeting an error detection condition.
    Type: Application
    Filed: December 30, 2022
    Publication date: July 13, 2023
    Applicants: The First Affiliated Hospital of Naval Medical University, Beijing Surgerii Technology Co., Ltd.
    Inventors: Linhui Wang, Bo Yang, Chao Zhang, Zongqin Zhang, Tie Zhou, Hong Xu, Chengwu Xiao, Xiaofeng Wu, Kai Xu
  • Publication number: 20230219220
    Abstract: The present application relates to the field of error detection technology. An error detection method and a robot system are provided. The error detection method includes: obtaining a target pose of an end of an operating arm; acquiring a positioning image; recognizing, in the positioning image, a plurality of pose identifications located on the end of the operating arm; recognizing, based on the plurality of pose identifications, an angle identification located on the end of the operating arm, the angle identification having a position association relationship with a first pose identification of the plurality of pose identifications; determining, based on the angle identification and the plurality of pose identifications, an actual pose of the end of the operating arm; and generating, in response to the target pose and the actual pose meeting an error detection condition, a control signal related to a fault.
    Type: Application
    Filed: December 30, 2022
    Publication date: July 13, 2023
    Applicants: The First Affiliated Hospital of Naval Medical University, Beijing Surgerii Technology Co., Ltd.
    Inventors: Linhui Wang, Bo Yang, Chao Zhang, Zongqin Zhang, Tie Zhou, Hong Xu, Chengwu Xiao, Xiaofeng Wu, Kai Xu
  • Publication number: 20230181873
    Abstract: A growable continuum instrument includes a growable tube and one or more serially connected continuum structures. The growable tube includes an inner layer, an outer layer, and a fluid chamber between the inner and outer layers. The growable tube includes a turnable region where the inner and outer layers are connected and turnable. The continuum structure is located in the growable tube. The continuum structure includes a plurality of spacer discs and a plurality of connecting structures. The connecting structure includes one or more flexible structural bones, the two ends of which are respectively fixedly connected with the adjacent spacer discs, and are distributed along the circumferential direction of the spacer discs. The plurality of connecting structures include at least a first and second connecting structures, and the flexible structural bones of the first and second connecting structures are distributed differently along the circumferential direction of the spacer disc.
    Type: Application
    Filed: December 14, 2022
    Publication date: June 15, 2023
    Inventors: Linhui Wang, Bo Yang, Chao Zhang, Zongqin Zhang, Tie Zhou, Hong Xu, Chengwu Xiao, Xiaofeng Wu, Kai XU
  • Patent number: 11611283
    Abstract: A switching power supply unit includes: a transformer; an inverter circuit including first to fourth switching devices, first to third capacitors, first and second rectifying devices, a resonant inductor, and a resonant capacitor; and a driver. The first to fourth switching devices are coupled in series. The first and second capacitors are coupled in series. The first rectifying device is disposed between a first connection point between the first and second capacitors and a second connection point between the first and second switching devices. The second rectifying device is disposed between the first connection point and a third connection point between the third and fourth switching devices. The third capacitor is disposed between the second and third connection points. The resonant capacitor, the resonant inductor, and a primary winding are coupled in series between a fourth connection point between the second and third switching devices and the first connection point.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: March 21, 2023
    Assignee: TDK CORPORATION
    Inventors: Masahiko Hirokawa, Xiaofeng Wu, Naoyuki Ishibashi
  • Patent number: D1007292
    Type: Grant
    Filed: August 17, 2023
    Date of Patent: December 12, 2023
    Assignee: ZHEJIANG JINMAO TECHNOLOGY CO., LTD
    Inventor: Xiaofeng Wu
  • Patent number: D1061557
    Type: Grant
    Filed: December 30, 2022
    Date of Patent: February 11, 2025
    Assignee: SHENZHEN YINWANG INTELLIGENT TECHNOLOGIES CO., LTD.
    Inventors: Xiaofeng Liao, Ruidong Lan, Xiaoyue Wang, Sifan Wu, Jiapeng Yu, Qiuyuan Tang