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: 10771733
    Abstract: Embodiments of the application disclose a method and apparatus for processing video playing, and relate to the technology field of video. The method includes: obtaining an adjustment instruction for a first video being played; determining whether the first video is being recorded; if the first video is being recorded, acquiring and storing a bit stream of the first video based on a current bit stream type of the first video. With the embodiment of the application, the complete recording of a video is ensured.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: September 8, 2020
    Assignee: Hangzhou Hikvision Digital Technology Co. Ltd.
    Inventors: Yang Wu, Bingquan Han, Xiaojun Chen, Chunyu Xu, Zheng Huang
  • Publication number: 20200257489
    Abstract: A multi-core audio processor includes a plurality of audio processing cores having differing capabilities, a plurality of buffers, wherein each buffer is configured to store a plurality of samples associated with a corresponding audio stream, a deadline scheduler including a plurality of deadline registers configured to store a plurality of deadline values for each audio stream, and a plurality of audio processing core interfaces coupling the plurality of audio processing cores to the deadline scheduler, each of the audio processing core interfaces associated with a corresponding audio processing core. The plurality of deadline values indicate an order of processing of samples stored in the plurality of buffers by the plurality of processing cores.
    Type: Application
    Filed: September 24, 2018
    Publication date: August 13, 2020
    Applicant: KNOWLES ELECTRONICS, LLC
    Inventors: Erick ALVARADO, Xiaojun CHEN, Dave ROSSUM, Niel WARREN
  • 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: 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
  • 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
  • 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
  • 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
  • Patent number: 10602397
    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: Grant
    Filed: September 19, 2017
    Date of Patent: March 24, 2020
    Assignee: Apple Inc.
    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: 20200021773
    Abstract: Embodiments of the application disclose a method and apparatus for processing video playing, and relate to the technology field of video. The method includes: obtaining an adjustment instruction for a first video being played; determining whether the first video is being recorded; if the first video is being recorded, acquiring and storing a bit stream of the first video based on a current bit stream type of the first video. With the embodiment of the application, the complete recording of a video is ensured.
    Type: Application
    Filed: August 23, 2017
    Publication date: January 16, 2020
    Inventors: Yang WU, Bingquan HAN, Xiaojun CHEN, Chunyu XU, Zheng HUANG
  • Patent number: 10517111
    Abstract: Exemplary embodiments include a method performed by a wireless device configured as a slave in a first piconet and configured as a master in a second piconet. The method includes determining whether the wireless device has data to transmit over the second piconet to an other wireless device, determining an availability of a full slot in a first piconet schedule, selecting a data transmission scheme based on the availability of the full slot in the first piconet schedule and transmitting the data via the second piconet to the other wireless device in accordance with the selected data transmission scheme.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: December 24, 2019
    Assignee: Apple Inc.
    Inventors: Lei Li, Xiaojun Chen, Vusthla Sunil Reddy, Mohit Narang, Qiyang Wu, Peter M. Agboh
  • Publication number: 20190349635
    Abstract: The embodiments of the present application disclose a method and an apparatus for switching a bit stream type of a video presentation. The method comprises: determining a plurality of video presentations that have been started; determining a current split screen mode according to the number of the started video presentations; determining a bit stream type corresponding to the current: split screen mode according to a preset correspondence between split screen modes and bit stream types; and switching a bit stream type of each started video presentation according to the determined bit stream type or bit stream types. The embodiments of the present application avoid a client from running out of memory and crashing.
    Type: Application
    Filed: August 23, 2017
    Publication date: November 14, 2019
    Inventors: Yang WU, Bingquan HAN, Xiaojun CHEN, Chunyu XU, Zheng HUANG
  • Publication number: 20190349676
    Abstract: Methods and systems for synchronizing audio streams. The method includes tagging a first presentation time to a frame buffer of a first audio stream and a second presentation time to a frame buffer of a second audio stream. The second audio stream is to be synchronized to the first audio stream. The method also includes aligning the second presentation time of the frame buffer of the second audio stream with the first presentation time of the frame buffer of the first audio stream, resampling the second audio stream so that each resampling point of the second stream is aligned with a corresponding sampling point in the first audio stream, and determining sample data for each resampling point of the second audio stream.
    Type: Application
    Filed: November 7, 2017
    Publication date: November 14, 2019
    Applicant: KNOWLES ELECTRONICS, LLC
    Inventors: Xiaojun Chen, Dave Rossum
  • Patent number: 10436792
    Abstract: A method of quantitatively determining the concentration of at least one analyte in a sample. The method may involve 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. The method may additionally or alternatively involve 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, or both. The method may be associated with various formulations, kits of parts, systems and computer implemented methods.
    Type: Grant
    Filed: June 10, 2014
    Date of Patent: October 8, 2019
    Assignee: Nitto Denko Corporation
    Inventors: Xiaojun Chen, Yingsong Wang, Pei Shan Ho, Xi Er Yeo
  • Publication number: 20190245301
    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: Application
    Filed: June 15, 2018
    Publication date: August 8, 2019
    Inventor: Xiaojun CHEN
  • Publication number: 20190187146
    Abstract: There is disclosed herein a method of quantitatively determining the concentration of at least one analyte in a sample, the method comprising the steps of either: (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. Also disclosed herein are formulation, kits of parts, systems and computer implemented methods associated with said method.
    Type: Application
    Filed: January 4, 2019
    Publication date: June 20, 2019
    Applicant: Nitto Denko Corporation
    Inventors: Xiaojun Chen, Yingsong Wang, Pei Shan Ho, Xi Er Yeo
  • Publication number: 20190187147
    Abstract: There is disclosed herein a method of quantitatively determining the concentration of at least one analyte in a sample, the method comprising the steps of either: (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. Also disclosed herein are formulation, kits of parts, systems and computer implemented methods associated with said method.
    Type: Application
    Filed: January 4, 2019
    Publication date: June 20, 2019
    Applicant: Nitto Denko Corporation
    Inventors: Xiaojun Chen, Yingsong Wang, Pei Shan Ho, Xi Er Yeo
  • Patent number: 10324002
    Abstract: The disclosed technology includes, among others, methods and devices for measuring distributed fiber bend or stress related characteristics along an optical path of fiber under test (FUT) uses both a light input unit and a light output unit connected to the FUT at one single end.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: June 18, 2019
    Assignee: General Photonics Corporation
    Inventors: Hongxin Chen, Xiaojun Chen, Xiaotian Steve Yao
  • Patent number: D864112
    Type: Grant
    Filed: January 1, 2018
    Date of Patent: October 22, 2019
    Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
    Inventors: Xiaojun Chen, Jinfa Zhang, Daofei Xu