Patents by Inventor Xiaojun Chen

Xiaojun Chen 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: 10724922
    Abstract: Devices, systems and techniques for measuring optical polarization-related parameters in optical materials and devices such as polarization maintaining (PM) fiber links based on polarization crosstalks that spatially distribute over a length of a material such as a PM fiber link.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: July 28, 2020
    Assignees: General Photonics Corporation, Suzhou Optoring Technology Co. Ltd.
    Inventors: Xiaotian Steve Yao, Xiaojun Chen
  • Publication number: 20200235496
    Abstract: This application provides a CPE device that includes: a housing, an omnidirectional antenna, a communications module, a PCB, and a heat sink. The omnidirectional antenna is connected to an input end of the communications module, an output end of the communications module is connected to the PCB. An output end of the PCB is connected to an Ethernet cable, and the PCB is disposed on the heat sink. The communications module is configured to convert a received radio-frequency signal to a digital signal. The housing is a cylindrical structure with an opening formed at a lower end. The omnidirectional antenna, the communications module, and the PCB are disposed inside the housing. The heat sink is disposed at the lower end of the housing, and a through hole for the Ethernet cable to pass through is disposed on the heat sink.
    Type: Application
    Filed: April 7, 2020
    Publication date: July 23, 2020
    Inventors: Feng GAO, Xiaoliang WANG, Wei CHEN, Xiaojun PENG
  • Publication number: 20200204499
    Abstract: A communication method, a communications device, and a storage medium, where, in the method, a first communications device receives, by using a link corresponding to a first FlexE group, first indication information sent by a second communications device, where for a slot in N slots of the first FlexE group, the first indication information is used to indicate that the second communications device has assigned a FlexE client to the slot, or used to indicate that the second communications device has not assigned a FlexE client to the slot, and the first communications device assigns the FlexE client to the slot in the N slots of the first FlexE group, or cancels, based on the first indication information, the FlexE client that has been assigned to the slot.
    Type: Application
    Filed: February 27, 2020
    Publication date: June 25, 2020
    Inventors: Xiaojun Zhang, Qichang Chen, Lehong Niu
  • Publication number: 20200205031
    Abstract: Exemplary embodiments include a system having a first wireless audio output device configured to connect to a source device via a first piconet and a second wireless audio output device configured to connect to the first wireless audio output device via a second piconet. A schedule of the first piconet includes a plurality of slots associated with an audio packet, a first subset of the slots used by the source device to transmit the audio packet, the first and second wireless audio output devices tuning to the first piconet to listen for the transmissions of the audio packet, and when, after a last one of the first subset of slots, the first or second wireless audio output devices did not receive the audio packet, the first and second wireless audio output devices exchange information via the second piconet such that the both wireless audio output device receive the audio packet.
    Type: Application
    Filed: March 5, 2020
    Publication date: June 25, 2020
    Inventors: Anatoli GOSTEV, Louay ALSAKKA, Axel BERNY, Tad DREIER, Joachim HAMMERSCHMIDT, Lei Li, Xiaojun CHEN, Vusthla Sunil REDDY, Peter M. AGBOH, Mohit NARANG
  • Publication number: 20200190545
    Abstract: Provided is a Schizochytrium limacinum strain, a building method therefor and an application thereof. The strain disclosed is classified and named as Schizochytrium sp. HX-RS, and the preservation number is CCTCC NO: M2017046. An acyltransferase functional domain originating from shewanella PKS enzyme is adopted instead of an acyltransferase functional domain originating from schizochytrium sp. PKS enzyme, and the strain is obtained by performing flat panel screening and acclimation screening with a high rotation speed and a low temperature.
    Type: Application
    Filed: May 10, 2017
    Publication date: June 18, 2020
    Applicant: Nanjing University of Technology
    Inventors: He HUANG, Lujing REN, Shenglan CHEN, Lingjun GENG, Xiaojun JI, Xuechao HU
  • Publication number: 20200195760
    Abstract: This application provides a method and device for transparently transmitting a service frequency, where the method includes: determining, by a first device, first service frequency information Xn, where the first service frequency information Xn is used to indicate an amount of n-bit first service data that is sent by the first device within first statistical duration, and a sending frequency of the first device is used as a reference for the first statistical duration; and encapsulating, by the first device, the first service frequency information Xn into a first S/T bit code block, inserting the first S/T bit code block into a data stream of the first service data, and sending the data stream of the first service data to a second device.
    Type: Application
    Filed: February 10, 2020
    Publication date: June 18, 2020
    Inventors: Renlei Wang, Xiaojun Zhang, Xingyao Chen, Shuai Xiao
  • Patent number: 10681773
    Abstract: Exemplary embodiments include a system having a first wireless audio output device and a second wireless audio output device. One of the first or second audio output devices is configured to one of connect as a slave to a source device in a first piconet and connect as a master to the other one of the first or second audio output devices in a second piconet. The one of the first or second wireless audio output devices determines whether an audio packet transmitted by the source device via the first piconet was received by the first wireless audio output device and the second wireless audio output device, and, when at least one of the first wireless audio output device or the second wireless audio output device did not receive the audio packet, the audio packet is exchanged between the first and second wireless audio output devices via the second piconet.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: June 9, 2020
    Assignee: Apple Inc.
    Inventors: Lei Li, Xiaojun Chen, Vusthla Sunil Reddy, Peter M. Agboh, Mohit Narang
  • Publication number: 20200177442
    Abstract: A communication method is provided. In embodiments of this application, first fault information is obtained by using a first port, and second fault information is sent based on the first fault information by using a second port. The first port is a first-type port, the first-type port transmits information according to a standard Ethernet protocol, the first fault information is first-type fault information, the second port is a second-type port, the second-type port transmits information according to a flexible Ethernet protocol, the first-type fault information includes at least one of local fault information and remote fault information, the second fault information is second-type fault information, and the second-type fault information is used to indicate that a link corresponding to the standard Ethernet protocol is faulty.
    Type: Application
    Filed: February 7, 2020
    Publication date: June 4, 2020
    Inventors: Xiaojun Zhang, Qichang Chen
  • Publication number: 20200169350
    Abstract: Embodiments of the present invention provide a method for processing a bit block stream, including: obtaining a first to-be-processed bit block stream; and mapping the first to-be-processed bit block stream into at least two slot hit block streams, the at least two slot bit block streams include a first slot bit block stream and a second slot bit block stream, the first slot bit block stream includes a first boundary bit block and a second boundary bit block, the second slot bit block stream includes a third boundary bit block and a fourth boundary bit block, N first hit blocks exist between the first boundary bit block and the second boundary bit block, N first bit blocks exist between the third boundary bit block and the fourth boundary bit block, the first bit block is a non-idle bit block.
    Type: Application
    Filed: January 29, 2020
    Publication date: May 28, 2020
    Inventors: Xiaojun ZHANG, Shuai XIAO, Min ZHA, Lehong NIU, Xingyao CHEN
  • Publication number: 20200157054
    Abstract: A method for preparing a pyrimidone compound and an important intermediate in which raw materials of the preparation method are cheap, the reaction condition of preparation method is mild, the preparation method is simple to operate, and is safe and controllable, has high total yield, and thus is suitable for industrial production.
    Type: Application
    Filed: July 3, 2018
    Publication date: May 21, 2020
    Applicant: NORTH & SOUTH BROTHER PHARMACY INVESTMENT COMPANY LIMITED
    Inventors: Runfeng LIN, Xiaojun WANG, Jihua LIN, Liang CHEN, Yingjun ZHANG, Jiancun ZHANG
  • Patent number: 10656160
    Abstract: A method of quantitatively determining the concentration of at least one analyte in a sample by: (i) adding a portion of the sample to a first analyte assay formulation and to an analyte assay reference formulation to generate a first analyte sample and analyte reference sample and determining the concentration of the at least one analyte in the sample; and/or (ii) adding a portion of the sample to a second analyte assay formulation and determining the concentration of the at least one analyte in the sample, as well as formulations, kits of parts, systems and computer implemented methods associated with the method.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: May 19, 2020
    Assignee: Nitto Denko Corporation
    Inventors: Xiaojun Chen, Yingsong Wang, Pei Shan Ho, Xi Er Yeo
  • Publication number: 20200154454
    Abstract: Embodiments of this application disclose a cross-standard scheduling method and a base station, used for unified scheduling of UEs in different standards by using a unified scheduler, to achieve space division multiplexing of a spectrum resource, where different standards may share the spectrum resource. A unified scheduler is disposed in the base station in the embodiments of this application. The method and the base station may obtain downlink channel information of UEs operating using different standards and in overlapping coverage range. The method and the base station may determine a scheduling result using the unified scheduler based on the obtained downlink channel information of the UEs. The method and the base station may schedule the UEs based on the scheduling result.
    Type: Application
    Filed: January 17, 2020
    Publication date: May 14, 2020
    Inventors: Quanzhong GAO, Lin ZHOU, Shuai CHEN, Wei CHEN, Xiaojun ZHENG
  • Patent number: 10647682
    Abstract: Provided are salts of 2,6-dimethylpyrimidone derivatives and uses thereof. Also provided are pharmaceutical compositions containing the salts.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: May 12, 2020
    Assignee: NORTH & SOUTH BROTHER PHARMACY INVESTMENT COMPANY LIMITED
    Inventors: Runfeng Lin, Liang Chen, Xiaojun Wang, Yingjun Zhang, Jiancun Zhang
  • Publication number: 20200138698
    Abstract: Disclosed are a scrub sponge and a preparation method therefor. The method for preparing the scrub sponge includes the operations of: obtaining a first mixture by stirring alkalizer, porogen, konjac powder, scrub granule and water, and filling the first mixture into a mold to form a preform, where the preform includes a first sponge layer; forming a parison by sequentially cooking and freezing the preform; and sequentially unfreezing, dehydrating and drying the parison to obtain the scrub sponge.
    Type: Application
    Filed: December 19, 2019
    Publication date: May 7, 2020
    Inventors: Xiaojun WANG, Huaixin CHEN, Qisheng PAN
  • Publication number: 20200136266
    Abstract: An antenna system, including an antenna element, a feeding network, and a radio frequency module, where the radio frequency module includes m transmitters and n receivers, the m transmitters and the n receivers are separately connected to the feeding network, and a set of then frequency bands is a subset of a set of the m frequency bands; and the feeding network is further connected to the antenna element, feeds transmit signals generated by the m transmitters to the antenna element, and/or feeds receive signals of the antenna element to the n receivers, where m and n are positive integers, and n is less than m.
    Type: Application
    Filed: December 27, 2019
    Publication date: April 30, 2020
    Inventors: Wei CHEN, Xiaojun ZHENG, Bin XIONG, Tao JIN, Shuai CHEN
  • Publication number: 20200120582
    Abstract: Embodiments of this application relate to the field of wireless communications technologies, and provide an access method, a switch method, and an apparatus. The access method includes: receiving, by a terminal, a system message via a downlink carrier, where the system message includes information used to indicate a frequency channel number of a second uplink carrier; and initiating, by the terminal, random access via the second uplink carrier, where a frequency channel number of the downlink carrier belongs to a first frequency band, and a frequency channel number of the second uplink carrier belongs to a second frequency band.
    Type: Application
    Filed: December 16, 2019
    Publication date: April 16, 2020
    Inventors: Chaobin YANG, Yong WANG, Quanzhong GAO, Wei CHEN, Liwen ZHANG, Xiaojun ZHENG, Bin XIONG, Shuai CHEN
  • Patent number: 10622758
    Abstract: The present disclosure provides a power adapter, which includes a cover and electronic components. The cover includes an upper casing, which is provided with a protruding part on an inner sidewall thereof, and a lower casing, which fits with the upper casing to form an accommodating chamber. The sidewalls of the lower casing and the protruding part are fitted and then connected together, and the electronic components are disposed in the accommodating chamber.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: April 14, 2020
    Assignee: Delta Electronics (Shanghai) Co., Ltd.
    Inventor: Xiaojun Chen
  • Patent number: 10613097
    Abstract: A method of quantitatively determining the concentration of at least one analyte in a sample by: (i) adding a portion of the sample to a first analyte assay formulation and to an analyte assay reference formulation to generate a first analyte sample and analyte reference sample and determining the concentration of the at least one analyte in the sample and/or (ii) adding a portion of the sample to a second analyte assay formulation and determining the concentration of the at least one analyte in the sample, as well as formulations, kits of parts, systems and computer implemented methods associated with the method.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: April 7, 2020
    Assignee: Nitto Denko Corporation
    Inventors: Xiaojun Chen, Yingsong Wang, Pei Shan Ho, Xi Er Yeo
  • Publication number: 20200107387
    Abstract: Methods performed by a first sink device, a source device, or a second sink device. The first sink device is connected to a source device via a first communication link and a second sink device via a second communication link, wherein the second sink device is configured to eavesdrop on communications between the first sink device and the source device on the first communication link. The methods include determining an occurrence of a trigger event and modifying an operation of at least one of the first sink device, the second sink device or the source device based at least on the trigger event occurring.
    Type: Application
    Filed: September 27, 2019
    Publication date: April 2, 2020
    Inventors: Lei LI, Xiaojun Chen, Camille Chen, Siegfried Lehmann, Vusthla Sunil Reddy, Peter M. Agboh
  • Publication number: 20200100393
    Abstract: A printed circuit board includes a substrate and at least one heat generating electronic component mounted on the substrate. At least one ceramic heat conducting member is embedded into the printed circuit board at positions corresponding to the at least one heat generating electronic component. Side surfaces of the ceramic heat conducting member in contact with the printed circuit board are rough surfaces. Heat dissipation effect of the motor is improved.
    Type: Application
    Filed: September 20, 2019
    Publication date: March 26, 2020
    Inventors: Youqing XIANG, Xiaojun YAN, Nan ZHENG, Minghua XIONG, Yun CHEN, Bailin BO, Zhanqi ZHANG