Patents by Inventor Jun Xu

Jun 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: 20230382861
    Abstract: Provided herein are crystalline forms of (R)-5-carbamoylpyridin-3-yl-2-methyl-4-(3-(trifluoromethoxy)benzyl)piperazine-1-carboxylate. Pharmaceutical compositions comprising crystalline forms of (R)-5-carbamoylpyridin-3-yl-2-methyl-4-(3-(trifluoromethoxy)benzyl)piperazine-1-carboxylate are also disclosed.
    Type: Application
    Filed: May 5, 2023
    Publication date: November 30, 2023
    Inventors: Lianfeng Huang, Nancy Tsou, Nicole Suzanne White, Jun Xu, Qun Zhang
  • Publication number: 20230385547
    Abstract: The present application discloses an event extraction method and apparatus, a computer program product, a storage medium, and a device.
    Type: Application
    Filed: May 23, 2023
    Publication date: November 30, 2023
    Inventors: Jun XU, Taifeng WANG, Mengshu SUN
  • Publication number: 20230387780
    Abstract: A cascaded multi-port converter and a three-phase medium-voltage input system. Input terminals of the module units are cascaded. In each module unit: input ends of the high-voltage conversion units are cascaded, a magnetic core of a multi-winding transformer is wound with multiple primary windings and at least one secondary winding, an output end of each high-voltage conversion unit is connected to a corresponding primary winding, and the secondary winding is connected to an input end of a corresponding low-voltage rectifying unit. Therefore, the windings of the multiple high-voltage conversion units share the magnetic core, and the number of the multi-winding transformers and the number of the low-voltage rectifying units can be reduced, thereby reducing the volume, weight, and costs of the cascaded multi-port converter.
    Type: Application
    Filed: September 6, 2021
    Publication date: November 30, 2023
    Applicant: Sungrow Power Supply Co., Ltd.
    Inventors: Jiacai Zhuang, Jun Xu, Yue Dong
  • Patent number: 11831334
    Abstract: A system and method for polar code coding with information bits placed in particular bit indexes are disclosed herein. In one embodiment, a method for channel coding includes: associating, by a polar code encoder, a first bit sequence with first bit indexes of a polar code input; associating, by the polar code encoder, a second bit sequence with second bit indexes, wherein the first bit indexes have a higher reliability than the second bit indexes; and encoding, by the polar code encoder, both the first bit sequence and the second bit sequence using a generator matrix to generate encoded bits.
    Type: Grant
    Filed: September 12, 2022
    Date of Patent: November 28, 2023
    Assignee: ZTE CORPORATION
    Inventors: Mengzhu Chen, Jin Xu, Jun Xu
  • Publication number: 20230369958
    Abstract: A cascaded multi-port converter and a three-phase medium-voltage input system. Input ends of all high-voltage conversion units are cascaded between two ports of an input end of the cascaded multi-port converter. A primary winding of a multi-winding transformer is connected to an output end of a corresponding high-voltage conversion unit, and a secondary winding of the multi-winding transformer is connected to an input end of a corresponding low-voltage rectifier unit. Output ends of some of the low-voltage rectifier units are connected to each other through a bus, and the remaining low-voltage rectifier units outputs independently, such that at least one secondary winding in each multi-winding transformer is indirectly connected to the bus, and at least one multi-winding transformer is provided with at least one secondary winding that independently outputs. Therefore, power balance between various modular units is achieved, and the security of the cascaded multi-port converter is improved.
    Type: Application
    Filed: September 6, 2021
    Publication date: November 16, 2023
    Applicant: Sungrow Power Supply Co., Ltd.
    Inventors: Jiacai Zhuang, Jun Xu, Yue Dong
  • Publication number: 20230363017
    Abstract: Techniques for interference mitigation in a wireless communication system are disclosed.
    Type: Application
    Filed: July 14, 2023
    Publication date: November 9, 2023
    Inventors: Hanqing XU, Mengzhu CHEN, Jun XU, Yajun ZHAO, Saijin XIE
  • Publication number: 20230358741
    Abstract: Provided is a dual-channel fluorescence sensor based on in-situ synthesis of carbon dots on halloysite nanotubes (HNT) and loaded with a lanthanide metal-organic framework, which can implement rapid and simultaneous visual detection of DPA and TC. By using methods for preparing and using a dual-channel visual multicolor fluorescent probe above, the sensor has high stability and sensitivity, and is conducive to quick, accurate and intuitive detection of a biomarker.
    Type: Application
    Filed: July 3, 2023
    Publication date: November 9, 2023
    Applicant: HENAN POLYTECHNIC UNIVERSITY
    Inventors: Jun XU, Lei JIA, Rui LI, Yongxin LI
  • Publication number: 20230354190
    Abstract: Techniques are described to perform paging related operation or power saving related operation. An example wireless communication method includes receiving, by a communication device in a low power radio resource control (RRC) state, a first signal that includes a first set of parameters, and performing, by the communication device, a paging related operation based at least on the first set of parameters or a power saving related operation based at least on the first set of parameters.
    Type: Application
    Filed: July 10, 2023
    Publication date: November 2, 2023
    Applicant: ZTE Corporation
    Inventors: Focai PENG, Mengzhu CHEN, Jun XU, Xuan MA, Ningbo BAI, Ting MIAO
  • Publication number: 20230354364
    Abstract: Systems, methods and devices for control channel monitoring may include a wireless communication device reporting, to a wireless communication node, a plurality of capabilities of the wireless communication device. The wireless communication device may receive, from the wireless communication node, control information. The wireless communication device perform physical downlink control channel (PDCCH) monitoring using a group of search space sets (SSSs) selected from a plurality of search space set groups (SSSGs) or PDCCH skipping using a skipping duration according to the control information. The number of SSSG can be an integer N that is not smaller than 1, or each of the SSSGs can include a number of SSSs that is at least zero and at most equal to a maximum number of SSSs configured in a bandwidth part (BWP). The number of skipping duration values can be an integer M greater than or equal to 0.
    Type: Application
    Filed: July 6, 2023
    Publication date: November 2, 2023
    Applicant: ZTE CORPORATION
    Inventors: Qiujin GUO, Mengzhu CHEN, Jun XU, Xuan MA, Xiaoying MA, Focai PENG
  • Patent number: 11805084
    Abstract: A bidirectional bridge for web view is a technical solution to an engineering challenge associated with presenting external content in a web view. A bidirectional bridge for web view facilitates bidirectional communication between the web view included in the messaging client and the messaging client itself. In response to a user action requesting a web page to be loaded in the web view, the bidirectional bridge initiates a request to messaging client to retrieve external content, receives the requested external content from the messaging client, and displays an image representing the external content in the web view as part of the web page.
    Type: Grant
    Filed: December 30, 2022
    Date of Patent: October 31, 2023
    Assignee: Snap Inc.
    Inventors: Muzammil Ahmed, John Jensen, Michel Khristo, Sivakumar Loganathan, Patrick Mandia, Jun Xu, Austin Yeakel
  • Publication number: 20230344450
    Abstract: A quasi-cyclic LDPC coding and decoding method and apparatus, and an LDPC coder and decoder. The method includes: determining from a mother basis matrix set a basis matrix used for low density parity check (LDPC) coding (S202), wherein the basis matrix used for LDPC coding includes a first-type element and a second-type element, the first-type element corresponds to an all-zero square matrix, the second-type element corresponds to a matrix obtained by means of a cyclic shift of a unit matrix according to a value of the second-type element, and dimensions of the all-zero square matrix and the unit matrix are equal; and performing LDPC coding on an information sequence to be coded according to the basis matrix used for LDPC coding, and/or performing LDPC decoding on a data sequence to be decoded according to the basis matrix used for LDPC coding (S204).
    Type: Application
    Filed: April 24, 2023
    Publication date: October 26, 2023
    Inventors: Liguang LI, Jun XU, Jin XU
  • Publication number: 20230345370
    Abstract: A system and method for changing one or more discontinuous reception (DRX) parameters.
    Type: Application
    Filed: April 26, 2023
    Publication date: October 26, 2023
    Inventors: Xiaoying MA, Jun XU, Mengzhu CHEN, Yuzhou HU, Qiujin GUO, Hong TANG
  • Patent number: 11799498
    Abstract: A data processing method and apparatus. The data process method includes: determining, by a transmitting node, a code block length N0 for encoding an information bit sequence to be transmitted according to a data characteristic for representing the information bit sequence to be transmitted and a preset parameter corresponding to the data characteristic; performing, by the transmitting node, polar encoding on the information bit sequence to be transmitted according to the code block length N0; and transmitting, by the transmitting node, a code block obtained through the polar encoding to a receiving node.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: October 24, 2023
    Assignee: ZTE CORPORATION
    Inventors: Saijin Xie, Jun Xu, Jin Xu, Mengzhu Chen
  • Patent number: 11799285
    Abstract: A method for starting a photovoltaic rapid shutdown system, an application apparatus and a system are provided. In this method, the inverter system controls a voltage of a direct current bus in the photovoltaic rapid shutdown system. The photovoltaic module breaker makes determination based on a detected output voltage of the photovoltaic module breaker. In a case that the change characteristics of the voltage of the direct current bus connected to the photovoltaic module breaker meets the predetermined turn-on condition, the photovoltaic module breaker controls itself to be turned on. Therefore, the photovoltaic module breaker can determine whether the photovoltaic module breaker receives a turn-on signal only based on its own voltage acquisition device without an additional receiving apparatus.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: October 24, 2023
    Assignee: Sungrow Power Supply Co., Ltd.
    Inventors: Yu Yang, Yanfei Yu, Jun Xu, Qiaodi Chen
  • Patent number: 11791933
    Abstract: Provided are a data encoding method and device, a storage medium, and a processor. The method includes: obtaining data to be sent; performing quasi-cyclic low-density parity check (LDPC) encoding on the data to be sent to obtain an LDPC codeword sequence, and interleaving the LDPC codeword sequence to obtain an interleaved LDPC codeword sequence; performing cyclic bit selection on the interleaved LDPC codeword sequence from a starting position to obtain a rate-matched codeword sequence, where the starting position is determined according to a predetermined parameter; and sending the rate-matched codeword sequence. The solution above resolves the problem in the related art of unstable transmission after performing quasi-cyclic LDPC encoding on data to be transmitted, and achieves stable transmission after the quasi-cyclic LDPC encoding.
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: October 17, 2023
    Assignee: ZTE Corporation
    Inventors: Liguang Li, Jun Xu, Jin Xu
  • Publication number: 20230322837
    Abstract: Provided are stellate compounds that target spike proteins and have a significant anti-SARS-CoV-2 ability and a certain broad spectrum. Such molecules and salts thereof have at least one basic unit R(X)n, which binds at an orthotopic binding site such as an MD domain or an allosteric site, to a virus containing spike proteins or a virus having spike proteins on its surface, thereby preventing coronavirus or other viruses which express spike proteins on their surfaces from invading host cells, and preventing the occurrence of viral infection. In addition, interaction of the molecules and salts thereof with vitamin K-dependent proteins in the human body inhibits the expression of vitamin K so as to inhibit blood coagulation in the human body, thereby treating thrombosis caused by coronavirus and producing a curative effect for pneumonia caused by a severe viral infection.
    Type: Application
    Filed: May 24, 2023
    Publication date: October 12, 2023
    Applicant: SHENZHEN CELL INSPIRE PHARMACEUTICAL DEVELOPMENT CO., LTD.
    Inventors: Jun XU, Mengjiao HAO, Yuting ZHANG, Hao CHEN
  • Patent number: 11779124
    Abstract: A zero gap foldable powered bed comprises a bed frame and a sliding mechanism disposed upon said bed frame. The bed further comprises back, lumbar, seat, thigh, and leg decks operatively connected to the sliding mechanism, and the bed frame includes a head end frame member which is disposed within a vertically oriented plane. Linear actuators are operatively connected to the back and leg decks, and when the back deck is elevated or lowered, the sliding mechanism slides upon the bed frame so as to maintain the head end frame member, to which a headboard may be attached, within the vertically oriented plane such that a free end portion of the back deck will always be disposed immediately adjacent to the vertically oriented plane such that the back and shoulders of a person, lying or sitting upon the bed, will remain close to a nightstand, which may be disposed close to the bed, such that articles disposed upon the nightstand are always readily accessible.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: October 10, 2023
    Assignee: MOTOMOTION CHINA CORPORATION
    Inventors: Chih Hsiung Liu, Mei Jun Xu, Hai Guo Jiang, Kui Zhao
  • Publication number: 20230319845
    Abstract: A wireless communication method for use in a wireless terminal is disclosed. The method comprises monitoring a physical downlink control channel, PDCCH, according to a first group of search space sets in a plurality of groups of search space sets based on a type of the first group of search space sets, wherein the first group of search space sets in the plurality of groups of search space sets is determined based on control information.
    Type: Application
    Filed: February 22, 2023
    Publication date: October 5, 2023
    Applicant: ZTE CORPORATION
    Inventors: Qiujin GUO, Mengzhu CHEN, Xiaoying MA, Jun XU, Qiang FU, Jian KANG
  • Publication number: 20230319708
    Abstract: A wireless communication method for use in a wireless terminal is disclosed. The wireless communication method comprises transmitting, to a wireless network node, information associated with a user equipment (UE) capability, determining a UE processing time based on the information and a first condition, and performing at least one transmission based on the UE processing time, wherein the UE processing time comprises one of a first UE processing time, a second UE processing time or a third UE processing time.
    Type: Application
    Filed: February 1, 2023
    Publication date: October 5, 2023
    Applicant: ZTE CORPORATION
    Inventors: Xiaoying MA, Mengahu CHEN, Jun XU, Qiujin GUO, Focai PENG, Jian KANG
  • Patent number: D1001658
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: October 17, 2023
    Assignee: MICRON ELECTRONICS LLC
    Inventor: Jun Xu