Patents by Inventor Juan Du

Juan Du 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: 11626725
    Abstract: The present disclosure provides an SST driving circuit, a chip, and a driving output method. The SST driving circuit includes: a signal driver for driving and outputting a signal to be driven, the signal driver including termination resistors; a first electrostatic current discharge module, providing first discharge paths for electrostatic currents generated in the signal driver; a second electrostatic current discharge module, connected in series with the termination resistors, providing second discharge paths for the electrostatic currents; and a power clamp, used for conducting the power clamp circuit, the first discharge paths and the second discharge paths when a power supply voltage of the signal driver exceeds a clamping voltage. The present disclosure provides different discharge paths, which effectively reduces voltage borne by a protected device through a voltage division method, and improves the device's ability to protect against electrostatic discharge.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: April 11, 2023
    Assignee: MONTAGE TECHNOLOGY CO., LTD.
    Inventors: Chunlai Sun, Juan Du
  • Publication number: 20230108919
    Abstract: The present invention discloses a method for predicting fracture height during fracturing stimulation in multi-layer formation, comprising specific steps of: (1) acquiring basic parameters; (2) calculating a displacement discontinuity quantity of an artificial fracture; (3) calculating induced stress generated by the fracture; (4) calculating stress intensity factors at a fracture tip without considering a fracture tip plasticity; (5) calculating sizes of a plastic zone; (6) calculating stress intensity factors at the fracture tip considering the plastic zone; and (7) judging a relationship between the stress intensity factors and a fracture toughness. The present invention is suitable for multiple stratums, and the influences of parameters of tip plasticity, induced stress, crustal stress, and rock mechanics are considered so that a calculation result is more accurate and calculation efficiency is higher.
    Type: Application
    Filed: September 26, 2022
    Publication date: April 6, 2023
    Inventors: Pingli Liu, Xiang Chen, Jian Yang, Juan Du, Weihua Chen, Fei Liu, Guan Wang, Jinming Liu, Zhifeng Luo, Fengcheng Lou, Qiang Wang, Chunhong Lv
  • Publication number: 20230078741
    Abstract: Disclosed is a buried infiltrating irrigation pipe with a multi-cavity water inlet steady flow channel, two clamps and built-in dowels. The buried infiltrating irrigation pipe comprises an internally embedded water dropper and an externally embedded short infiltrating pipe which are located at the same position of a water conveying pipe. The internally embedded water dropper is fixedly arranged in the water conveying pipe and the externally embedded short infiltrating pipe is clamped outside the water conveying pipe. A multi-cavity water inlet steady flow channel is arranged in the internally embedded dropper, a plurality of inner water inlets are formed in one end of the multi-cavity water inlet steady flow channel in parallel, and inner water outlets are formed in the other end of the multi-cavity water inlet steady flow channel.
    Type: Application
    Filed: September 15, 2022
    Publication date: March 16, 2023
    Applicant: Shandong Changjiang Water-Saving Irrigation Tech Co., Ltd
    Inventors: Shiming Meng, Xianwu Meng, Juan Du, Guodong Cheng, Qunying Sun
  • Publication number: 20230000111
    Abstract: This invention discloses method for feeding Hermetia illucens and used as for preparing composite material of puparium, which comprises the following steps: S1, dry Hermetia illucens pupariums and grind them into powdery, S2, adding powdery of Hermetia illucens pupariums into sodium hydroxide aqueous solution, stirring, separating and filtering, S3, adding the pupariums into hydrochloric acid solution, stirring, separating and filtering; S4, placing the pupariums into sodium hydroxide aqueous solution, stirring, separating and filtering; S5, drying the pupariums, and screening out the granular pretreated powder of the Hermetia illucens pupariums. The invention also disclose preparation method of composite material and thin film of Hermetia illucens pupariums and antibacterial and antimildew additive.
    Type: Application
    Filed: November 13, 2020
    Publication date: January 5, 2023
    Inventors: Chi-Hui Tsou, Manuel Reyes De Guzman, Pranut Potiyaraj, Xuemei Zhang, Ya-Li Sun, Chen Gao, Xuefei Hu, Fei-Fan Ge, Juan Du, Chunyan Zeng, Tao Yang, Ya-Ling Lee, Chih-Yuan Tsou, Jian Chen, Zhijun Chen, Shuai Yuan, Yi-Hua Wen, Chin-San Wu
  • Patent number: 11536285
    Abstract: An apparatus for diagnosing and controlling the aerodynamic stability of a compressor and method there of are provided. The apparatus includes a measurement device (100), a signal processing device (200) and a control and execution device (300), wherein the measurement device (100) is configured to measure the pressure or velocity fluctuations of air flows in different positions inside a compressor in real time, and to transmit real-time measurement signals obtained from different positions to the signal processing device (200); the signal processing device (200) is configured to determine, according to the real-time measurement signals, a type and spatial distribution of instability precursor in the compressor, and to output corresponding control strategy signals to the control and execution device (300); and the control and execution device (300) executes, according to the received control strategy signals, corresponding control actions to regulate the stability of the compressor (S3).
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: December 27, 2022
    Inventors: Jichao Li, Juan Du, Chaoqun Nie, Hongwu Zhang
  • Publication number: 20220376495
    Abstract: The present disclosure provides an SST driving circuit, a chip, and a driving output method. The SST driving circuit includes: a signal driver for driving and outputting a signal to be driven, the signal driver including termination resistors; a first electrostatic current discharge module, providing first discharge paths for electrostatic currents generated in the signal driver; a second electrostatic current discharge module, connected in series with the termination resistors, providing second discharge paths for the electrostatic currents; and a power clamp, used for conducting the power clamp circuit, the first discharge paths and the second discharge paths when a power supply voltage of the signal driver exceeds a clamping voltage. The present disclosure provides different discharge paths, which effectively reduces voltage borne by a protected device through a voltage division method, and improves the device's ability to protect against electrostatic discharge.
    Type: Application
    Filed: August 26, 2021
    Publication date: November 24, 2022
    Applicant: MONTAGE TECHNOLOGY CO., LTD.
    Inventors: Chunlai SUN, Juan DU
  • Patent number: 11457845
    Abstract: A system, device and methods for quantitatively monitoring and evaluating changes in water and hemoglobin content in the brain in a non-invasive manner are provided. The system may be used for real-time detection and monitoring of brain edema and/or for an assessment of cerebral autoregulation.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: October 4, 2022
    Assignee: Drexel University
    Inventors: Meltem Izzetoglu, Juan Du, Baruch Ben Dor, Shadi Malaeb
  • Publication number: 20220307780
    Abstract: A packing module includes first and second flow paths which exchange heat between water sprayed from above and air flowing from below; a first import portion for importing water sprayed from one side of the packing module into the first flow path; a second import portion for importing water sprayed from the other side of the packing module into the second flow path; a first export portion for guiding water flowing out from the first water path to one side of the packing module for discharging; and, a second export portion for guiding water flowing out from the second water path to the other side of the packing module for discharging. Two flow paths in the packing module operate in different operation modes, so that water or wind flows through one flow path to cool water while air flows through the other flow path for heat exchange through partition walls.
    Type: Application
    Filed: March 9, 2020
    Publication date: September 29, 2022
    Inventors: Jin Peng LI, Jin LI, Min LIU, Juan DU, Liang Cai CHEN, Yan LIU, Gang SUN, Zhen Xing LIN
  • Patent number: 11445030
    Abstract: A service processing device receives a service processing request for a service event sent by a service requesting device, where the service processing request comprises service processing reference information, and where the service processing reference information is used by the service processing device to determine a storage location of data related to a current service in a database. A particular storage location is determined based on the service processing reference information. An idempotent check is performed on the particular storage location. A method of processing is determined to perform on the current service based on a result of the idempotent check.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: September 13, 2022
    Assignee: Advanced New Technologies Co., Ltd.
    Inventor: Juan Du
  • Patent number: 11422057
    Abstract: A dynamic five-hole probe includes a pressure sensing part, a pressure measuring hole transition section, a pressure acquisition section, dynamic pressure sensors and flexible wall pressure buffering tubes, the pressure sensing part being provided with pressure measuring holes to sense three dimensional dynamic pressure components of an airflow; the pressure measuring hole transition section transits from an inlet end surface five-hole structure into an outlet end surface five-hole structure; the pressure acquisition section has therein a centrally symmetric pressure measuring hole structure; pressure sensor mounting holes are in communication with the five pressure measuring holes; each of the dynamic pressure sensors is mounted in a corresponding one of the sensor mounting holes to measure a dynamic pressure of the airflow. The pressure sensing part may have a diameter of 3 mm or less.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: August 23, 2022
    Assignee: INSTITUTE OF ENGINEERING THERMOPHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Sichen Wang, Juan Du, Fan Li, Zhiting Tong, Chaoqun Nie, Hongwu Zhang
  • Patent number: 11405350
    Abstract: An information processing method is performed at a terminal that is communicatively connected to a remote server. The method includes logging into a first user account of a social application and pulling, from the remote server, information associated with a social group, which includes the first user account and multiple user accounts that are direct contacts of the first user account including a second user account. First multi-media information is by the second user account and is selected. A third user account is not a direct contact of the first user account. Second multi-media information by the third user account is selected when it is interacted by the second user account and satisfies preset policies of the remote server. The first multi-media information and the second multi-media information are displayed in a same manner, together with the interaction information by the second user account on the second multi-media information.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: August 2, 2022
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Xun Yao, Qianya Lin, Leteng Weng, Zheng Tang, Yangbin Huang, Shuyuan Li, Chuanyu Zhang, Hao Li, Jin Lin, Bin Zhang, Juan Du
  • Publication number: 20220202917
    Abstract: A depolymerase may be capable of degrading extracellular polymeric substances of Klebsiella pneumoniae capsular type K47. The depolymerase can degrade extracellular polymeric substances of Klebsiella pneumoniae.
    Type: Application
    Filed: April 23, 2020
    Publication date: June 30, 2022
    Applicant: SHANGHAI RUIZHOU BIOTECH CO., LTD
    Inventors: Jeff Xianchao ZHU, Ping HE, Yunqiang WU, Jiayin LI, Juan DU
  • Patent number: 11375369
    Abstract: A message authentication and communication method for a communication network system comprises: the access control device receiving a communication establishment request sent by the first mobile apparatus; the access control device sending a communication mutual authentication request to the authentication server in response to the communication establishment request; the access control device receiving a mutual authentication response message sent by the authentication server in response to the communication mutual authentication request; the access control device authenticating the mutual authentication response message; when the mutual authentication response message is authenticated successfully, the access control device sending a mutual authentication message to the first mobile apparatus.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: June 28, 2022
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD
    Inventors: Jian Wang, Nan Jiang, Xiaowei Lu, Juan Du
  • Patent number: 11299709
    Abstract: The present invention provides a pluripotent stem cell comprising a co-expression vector in which Runx1 and Hoxa9 are of in tandem, and a T cell differentiated therefrom and application thereof. In the present invention, Pluripotent stem cells inducibly co-expressing exogenous Runx1 and Hoxa9 are successfully established by introducing an exogenous vector co-expressing Runx1 and Hoxa9 into pluripotent stem cells. The pluripotent stem cells are directionally differentiated into T-lineage progenitor cells and will be developed into T cells. The pluripotent stem cell-derived T cells obtained by the method of the present invention are not only functionally normal but also have no tumorigenic risk.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: April 12, 2022
    Assignee: GUANGZHOU INSTITUTES OF BIOMEDICINE AND HEALTH CHINESE ACADEMY OF SCIENCES
    Inventors: Jinyong Wang, Rongqun Guo, Mengyun Zhang, Lijuan Liu, Xiaofei Liu, Cui Lv, Juan Du
  • Patent number: 11268870
    Abstract: A haptic signalizing device comprises a number of piezoelectric elements arranged below a device surface such that mechanical deformations caused by the converse piezoelectric effect in the at least one piezoelectric element make the device surface to move such that the device surface follows the piezoelectric element and a driving circuit configured to cause the converse piezoelectric effect on the at least one piezoelectric element by generating an alternating electric field over the piezoelectric element in a bipolar fashion, that is, consecutively in both the same and the opposite direction with respect to the polarization of the piezoelectric element, to make the piezoelectric element to move beyond its initial position consecutively in both directions.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: March 8, 2022
    Assignee: INSTITUTE OF ENGINEERING THERMOPHYSIC, CHINESE ACADEMY OF SCIENCES
    Inventors: Fan Li, Juan Du, Sichen Wang, Hongwu Zhang, Chaoqun Nie
  • Publication number: 20220060187
    Abstract: An asymmetrical I/O structure is provided. In one embodiment, the asymmetrical I/O structure comprises a first power supply node connected to a first voltage, a second power supply node connected to a second voltage, a pull-up unit and a pull-down unit which are connected between the first power supply node and the second power supply node. The first voltage is higher than the second voltage. A node between the pull-up unit and the pull-down unit is connected to an I/O node. The pull-up unit comprises one or more pull-up transistors, and the pull-down unit comprises one or more pull-down transistors. The number of the pull-up transistors is different from the number of the pull-down transistors.
    Type: Application
    Filed: August 19, 2021
    Publication date: February 24, 2022
    Applicant: MONTAGE TECHNOLOGY CO., LTD.
    Inventors: Xiong ZHANG, Chunlai SUN, Juan DU, Gang SHI, Chonghe YANG
  • Publication number: 20220022489
    Abstract: The present invention relates to a method of producing a non-dairy frozen confectionery, the method comprising the steps of: 1) providing a grain based ingredient mix comprising plant syrup and having 20-40 wt. % solids, pasteurizing the grain based ingredient mix, fermenting the pasteurized grain based mix with a culture, and cooling the fermented grain ingredient based ingredient mix, and 2) providing a nut and/or seed based ingredient mix comprising 40-60 wt. % solids and 3) combining it with the cooled fermented grain based ingredient mix, and freezing while optionally aerating the combined grain and nut and/or seed based mixes, to form a frozen confectionery. The invention also relates to a non-dairy frozen confectionery comprising 3-20 wt. % grain fermented with Streptococcus thermophilus, and 4-40 wt. % seed and/or nuts.
    Type: Application
    Filed: December 2, 2019
    Publication date: January 27, 2022
    Inventors: Juan Du, Christoph Josef Bolten, Liang Wei Wilson Lee, Niiesh Desai
  • Publication number: 20220000023
    Abstract: The disclosure provides a system and a method for controlling a reel of a combine harvester, wherein, the system comprises a satellite positioning receiver, a driving device, a controller and a rotating speed sensor; the rotating speed sensor collects and transmits an actual rotating speed of the reel to the controller, and the controller provides the driving device with a speed regulation signal according to the actual rotating speed and the operation running speed. The disclosure may realize that the rotating speed of the reel can be automatically, accurately and quickly adjusted according to the operation running speed of the combine harvester during the operation of the combine harvester, and improve the operation efficiency and quality while ensuring the crop feed quantity.
    Type: Application
    Filed: September 28, 2020
    Publication date: January 6, 2022
    Inventors: Juan DU, Xiang YIN, Jiahao AN, Chengqian JIN, Duanyang GENG, Junke ZHU
  • Patent number: 11195254
    Abstract: An interframe registration and adaptive step size-based non-uniformity correction method for an infrared image, comprising: first calculating a normalized cross-power spectrum of n-th and (n?1)-th original infrared images with the non-uniformity, and then calculating a horizontal relative displacement and a vertical relative displacement of the n-th and (n?1)-th original infrared images with the non-uniformity; calculating a space variance and a time variance of each pixel of the n-th original infrared image with the non-uniformity, using the obtained space variance and time variance to calculate an adaptive iterative step size of each pixel of the n-th original infrared image with the non-uniformity, and using the iterative step size to update a gain correction coefficient and a bias correction coefficient; finally, performing non-uniformity correction on the pixel in an overlapping area of the n-th and (n?1)-th original infrared images with the non-uniformity.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: December 7, 2021
    Assignee: XIDIAN UNIVERSITY
    Inventors: Huixin Zhou, Dong Zhao, Runda Qian, Lixin Guo, Xiuping Jia, Jun Zhou, Maosen Huang, Hanlin Qin, Bo Yao, Yue Yu, Huan Li, Jiangluqi Song, Bingjian Wang, Kuanhong Cheng, Juan Du, Shangzhen Song
  • Patent number: 11187250
    Abstract: The present invention relates to an automatic cleaning device for suction port of electric submersible pump. The pipe string joint is connected between the oil pipe and the electric submersible pump. A plurality of oil drain passage inlets, steel balls, return springs, sealing plugs and oil drain passage outlets are evenly distributed in circumferential direction of a boss. The upper end of the connecting pipe is connected with the outlet of the oil drain passage, and the lower end is connected with the nozzle. The retaining ring secures the connecting pipe on the housing of the electric submersible pump. A high-pressure fluid ejected from the nozzle directly acts on the suction port of the electric submersible pump. The present invention can automatically clean the suction port of the electric submersible pump by relying on the pressure difference between the outlet and the suction port of the electric submersible pump.
    Type: Grant
    Filed: June 11, 2021
    Date of Patent: November 30, 2021
    Assignee: SOUTHWEST PETROLEUM UNIVERSITY
    Inventors: Ruyi Gou, Weiyu Chen, Liqiang Zhao, Pingli Liu, Zhifeng Luo, Juan Du