Patents by Inventor Lei Shi

Lei Shi 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: 20220145972
    Abstract: A power-split hydro-mechanical hybrid transmission system with an automatic adjustment function includes an input member, a hydraulic transmission mechanism, a split mechanism, a convergence mechanism, an output member, a clutch assembly, and a brake assembly. The clutch assembly connects the input member to an input end of the split mechanism, connects an output end of the split mechanism to an input end of the hydraulic transmission mechanism and an input end of the convergence mechanism, and connects an output end of the hydraulic transmission mechanism to the output member. An output end of the convergence mechanism is connected to the output member. The clutch assembly and the brake assembly provide a continuous transmission ratio between the input member and the output member. The power-split hydro-mechanical hybrid transmission system enables multi-mode continuously variable transmission and has energy reuse and emergency support functions.
    Type: Application
    Filed: August 4, 2020
    Publication date: May 12, 2022
    Applicant: JIANGSU UNIVERSITY
    Inventors: Zhen ZHU, Yingfeng CAI, Long CHEN, Juncheng WANG, Changgao XIA, Jiangyi HAN, Xing XU, Dehua SHI, Lei DOU, Jiajia WANG
  • Publication number: 20220113191
    Abstract: An ultrahigh-resolution mid-infrared (MIR) dual-comb spectroscopy (DCS) measurement device includes a pump unit, a microring resonator (MRR) unit, a modulation unit, a splitting unit, a testing unit, a signal detection unit, a power balance unit, a reference detection unit and a spectral analysis unit. The measurement method includes: adjusting the laser emitted by the pump unit to the MRR unit; adjusting the modulation unit and performing dual-frequency modulation; generating two sets of MIR optical frequency combs (OFCs) with different repetition rates and splitting the MIR OFCs into the test light and the reference light; performing photoelectric conversion on the test light and injecting the test light to the spectral analysis unit; performing photoelectric conversion on the reference light and injecting the reference light to the spectral analysis unit; and performing Fourier transformation and data processing on test results to obtain absorption spectrum of the to-be-tested sample.
    Type: Application
    Filed: June 20, 2021
    Publication date: April 14, 2022
    Inventors: Leiran WANG, Qibing SUN, Lei SHI, Wenfu ZHANG
  • Publication number: 20220112769
    Abstract: Disclosed is a directional well trajectory control method based on drill pipe drive, the method including the following steps: parameters down-transmission, determining the offset vector, closed loop control of eccentric ring rotation angle, and well parameter closed-loop control; this method can achieve three-dimensional well trajectory control without frequent trips during drilling operations, and has a high penetration rate, good wellbore cleaning effect, well trajectory control accuracy, high flexibility, low tripping times, high borehole quality, high safety, etc., which is suitable for the development of special process wells such as medium-deep wells, ultra-deep wells, ultra-thin oil layer horizontal wells and unconventional oil and gas wells in China's complex oil and gas reservoirs. This method can also achieve precise control of well trajectory, and overcome the shortcomings of existing control methods that cannot achieve closed-loop control and cannot remove interference signals.
    Type: Application
    Filed: April 27, 2021
    Publication date: April 14, 2022
    Inventors: Ding Feng, Hong Zhang, Peng Wang, Lei Shi, Deshu Lin
  • Patent number: 11302186
    Abstract: A method for controlling traffic lights and a traffic light system using such method are provided. The method comprises: a receiving apparatus acquires a vehicle classification of a target vehicle (410), and then determines whether to turn green for a vehicle arriving at a traffic light, according to the vehicle classification (420). Due to a low network delay and high data transmission rate requirement, although applicable in a 4G network environment, the disclosed technology is more suitable for a 5G network environment.
    Type: Grant
    Filed: December 29, 2018
    Date of Patent: April 12, 2022
    Assignee: UISEE TECHNOLOGIES (BEIJING) CO., LTD.
    Inventors: Lei Shi, Yu Zhang, Wei Lin, Wei Feng, Xiaotong Liu
  • Patent number: 11299527
    Abstract: Two long-acting recombinant porcine FSH (follicle-stimulating hormone) fusion proteins, comprising pFSH-Fc-1 and pFSH-Fc-2. ? subunit/? subunit is directly or indirectly fused on a Fc fragment by means of a linking component; the ? subunit/? subunit is combined with the ? subunit/? subunit by means of a Van der Waals force or the linking component. The porcine FSH fusion proteins can be prepared by an eukaryotic expression system based on a gene engineering technology. The two porcine FSH fusion proteins have a good medicinal effect and have a longer half-life period as compared with that of a natural porcine FSH; the two porcine FSH fusion proteins do not generate an undesirable effect on animals and can replace pregnant mare serum gonadotropin (PMSG) to be used in animal breeding production. The two porcine FSH fusion proteins can be used for preparation of medicines in the field of animal breeding.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: April 12, 2022
    Inventors: Haoshu Luo, Lei Shi, Guo Han
  • Publication number: 20220106281
    Abstract: Provided herein are compounds, compositions, and methods useful for modulating the integrated stress response (ISR) and for treating related diseases; disorders and conditions.
    Type: Application
    Filed: December 1, 2020
    Publication date: April 7, 2022
    Inventors: Carmela Sidrauski, Marina Pliushchev, Jennifer M. Frost, Lawrence A. Black, Xiangdong Xu, Ramzi Farah Sweis, Lei Shi, Qingwei Zhang, Yunsong Tong, Charles W. Hutchins, SeungWon Chung, Michael J. Dart
  • Publication number: 20220103167
    Abstract: This application provides a control method for a switching apparatus. The switching apparatus includes at least two switching devices connected in parallel, a minimum pulse width limit of the first switching device is less than a minimum pulse width limit of the second switching device, and the first switching device and the second switching device are in a turn-off state. The method includes: obtaining on-state holding time of the switching apparatus; controlling the at least two switching devices to remain in a cut-off state when the on-state holding time is less than the minimum pulse width limit of the first switching device; and controlling the first switching device to perform a switching operation when the on-state holding time is greater than or equal to the minimum pulse width limit of the first switching device. The application can reduce a loss of the switching device and reduce output distortion.
    Type: Application
    Filed: December 13, 2021
    Publication date: March 31, 2022
    Inventors: Xudong WANG, Zhaohui WANG, Lei SHI
  • Publication number: 20220103070
    Abstract: A DC-DC converter includes: a first capacitor, a second capacitor, a first switch device, a second switch device, a third switch device, a fourth switch device, a flying capacitor, where one end of the flying capacitor is coupled to the first intermediate node, the other end of the flying capacitor is coupled the second intermediate node; and the protective circuit, including a clamping unit and a buffering unit, where when a voltage between the positive end of the bus and the negative end of the bus increases, the clamping unit clamps the first switch device to a voltage of the first capacitor, and clamps the fourth switch device to a voltage of the second capacitor, and the buffering unit reduces a current flowing through the clamping unit and the flying capacitor.
    Type: Application
    Filed: December 13, 2021
    Publication date: March 31, 2022
    Inventors: Dong CHEN, Lei SHI, Zhaohui WANG
  • Publication number: 20220093325
    Abstract: A three-phase magnetics assembly comprising a plurality of windings, and a unified core body is provided. The core body includes core legs which extend along central axes of the plurality of windings and around which the plurality of windings are wound such that magnetic fluxes are produced in the plurality of core legs when current flows through the plurality of windings. The plurality of windings comprise first, second, and third phase inductors, and first, second, and third phase transformers, which are positioned about the unified core body such that the core legs of the first phase inductor and second phase transformer share a central axis, the core legs of the second phase inductor and third phase transformer share a central axis, and the core legs of the third phase inductor and first phase transformer share a central axis.
    Type: Application
    Filed: September 23, 2020
    Publication date: March 24, 2022
    Applicant: Astec International Limited
    Inventors: Lei Shi, Yuk Man Shing
  • Publication number: 20220084401
    Abstract: A method for controlling traffic lights and a traffic light system using such method are provided. The method comprises: a receiving apparatus acquires a vehicle classification of a target vehicle (410), and then determines whether to turn green for a vehicle arriving at a traffic light, according to the vehicle classification (420). Due to a low network delay and high data transmission rate requirement, although applicable in a 4G network environment, the disclosed technology is more suitable for a 5G network environment.
    Type: Application
    Filed: December 29, 2018
    Publication date: March 17, 2022
    Applicant: UISEE TECHNOLOGIES (BEIJING) CO., LTD.
    Inventors: Lei Shi, Yu Zhang, Wei Lin, Wei Feng, Xiaotong Liu
  • Publication number: 20220075220
    Abstract: The present application provides a display device, including a panel, where a front surface of the panel is used to display an image, and a corner of the panel has a chamfer structure; a backlight module, providing a backlight source for the panel, where the backlight module includes: a middle frame including a side portion, and a side end of the panel is fixed to the side portion; a front housing, covering a bottom side of the panel; an switchover member, located at a position corresponding to the chamfer structure, where the switchover member connects an end of the side portion to an end of the front housing to form a television with a round corner.
    Type: Application
    Filed: November 17, 2021
    Publication date: March 10, 2022
    Inventors: CHANGCHUN WEI, TUO TANG, LEI SHI, ZHIQIANG TANG, JIHANG MA
  • Patent number: 11267885
    Abstract: Disclosed herein are antigen binding units that specifically bind to CD47. Further disclosed herein are polynucleic acids encoding said antigen binding units, vectors comprising said polynucleic acids, and hybridomas and host cells comprising said vectors. Further provided herein are methods for inducing phagocytosis of CD47-expressing cells.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: March 8, 2022
    Assignee: ZLIP HOLDING LIMITED
    Inventors: Yangsheng Qiu, Jing Li, Honghai Gao, Fenglan Wu, Xu Fang, Shou Li, Hongtao Lu, James S. Yan, Lei Shi
  • Publication number: 20220069107
    Abstract: A semiconductor device includes a gate structure, a double diffused region, a source region, a drain region, a first gate spacer, and a second gate spacer. The gate structure is over a semiconductor substrate. The double diffused region is in the semiconductor substrate and laterally extends past a first side of gate structure. The source region is in the semiconductor substrate and is adjacent a second side of the gate structure opposite the first side. The drain region is in the double diffused region in the semiconductor substrate and is of a same conductivity type as the double diffused region. The first gate spacer is on the first side of the gate structure. The second gate spacer extends upwardly from the double diffused region along an outermost sidewall of the first gate spacer and terminates prior to reaching a top surface of the gate structure.
    Type: Application
    Filed: September 30, 2020
    Publication date: March 3, 2022
    Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., TSMC CHINA COMPANY LIMITED
    Inventors: Feng HAN, Lei SHI, Hung-Chih TSAI, Liang-Yu SU, Hang FAN
  • Publication number: 20220069939
    Abstract: A method, a device and a computer readable media for communication are disclosed. The method (200) comprises determining, based on a target error rate between a first device and a second device, a code rate for transmitting data from the second device to the first device (210). The method also comprises adjusting the code rate based on an amount of the data and an amount of resource available for transmitting the data (220). The method further comprises updating the target error rate for transmitting subsequent data from the second device to the first device based on an amount of the adjustment of the code rate (230). An improved link adaption scheme and improve uplink/downlink transmission performance of the communication system are provided.
    Type: Application
    Filed: December 24, 2018
    Publication date: March 3, 2022
    Inventors: Mark MARSAN, Xun FAN, Lei SHI
  • Patent number: 11251001
    Abstract: A keycap, an illuminating keyswitch and a method for manufacturing the same are provided. The illuminating keyswitch comprises a base plate, a printed circuit board, a light emitting element, a keycap and a lifting support structure. The printed circuit board is disposed on the base plate. The light emitting element electrically is connected to the printed circuit board. The keycap is disposed on the light emitting element. The lifting support structure is disposed between the base plate and the keycap. The keycap comprises a first injection layer and a second injection layer. The second injection layer covers the first injection layer. The light emitting element is configured to correspond to the first injection layer or the second injection layer. The keyswitch of the present invention covers the first injection layer through the second injection layer, so that the surface of the key cap is flat, thereby facilitating subsequent processing.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: February 15, 2022
    Assignee: Lite-On Technology (Chang Zhou) Co., Ltd.
    Inventors: XiaoQiang Liang, Lei Shi, XueLei Liu
  • Publication number: 20220045183
    Abstract: A shield gate trench power device, wherein a shield dielectric layer is formed by stacking a thermal oxide layer and a CVD dielectric layer on the inner side surface of a gate trench; a gap region formed by means of filling with the shield dielectric layer is filled with source polysilicon; a top trench is formed on two sides of the source polysilicon by etching a portion of the shield dielectric layer close to the side surface of the gate trench, and the entire top trench is located in the thermal oxide layer; the top trench is filled with a polysilicon gate. A method for manufacturing a shield gate trench power device. The uniformity of the thickness of the shield dielectric layer on the sidewall and bottom of the gate trench can be improved.
    Type: Application
    Filed: April 15, 2021
    Publication date: February 10, 2022
    Applicant: Shanghai Huahong Grace Semiconductor Manufacturing Corporation
    Inventors: Yafeng Yang, Lei Shi
  • Publication number: 20220029522
    Abstract: A control circuit includes a detection module configured to detect an operating condition of a semiconductor switching device; a determining module configured to determine a gate allowable voltage of the semiconductor switching device based on the operating condition; and an output module configured to output a control signal to a driving power supply circuit of the semiconductor switching device based on the gate allowable voltage, to control the driving power supply circuit to provide a gate on voltage that is not higher than the gate allowable voltage and that is positively correlated with the gate allowable voltage for the semiconductor switching device. When the operating condition of the semiconductor switching device becomes better, the gate allowable voltage of the semiconductor switching device is increased.
    Type: Application
    Filed: October 6, 2021
    Publication date: January 27, 2022
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Dong CHEN, Lei SHI, Zhaohui WANG
  • Publication number: 20220029555
    Abstract: A power conversion circuit includes a switching network, a control circuit, a filter circuit, and a direct current side circuit; and the filter circuit includes a first power inductor, a common mode choke, a first differential mode filter capacitor, a first common mode filter capacitor, and a second common mode filter capacitor. The first power inductor includes a first winding and a second winding, and the common mode choke includes a third winding and a fourth winding; a first end of the first winding and a first end of the second winding are separately connected to the switching network, a second end of the first winding and a second end of the second winding are respectively connected to a first end of the third winding and a first end of the fourth winding.
    Type: Application
    Filed: October 6, 2021
    Publication date: January 27, 2022
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhaohui WANG, Lei SHI, Dong CHEN
  • Publication number: 20220021197
    Abstract: The present disclosure relates to a driving apparatus for a reclosing apparatus and a driving method thereof. The driving apparatus comprises a first energy storage unit, a timing unit, a control unit, and a first power supply unit, a second energy storage unit and a driving unit. The timing unit outputs a first enable signal; the control unit outputs a second enable signal or a third enable signal; the first power supply unit enables the second energy storage unit to receive the power when receiving the second enable signal, and enables the second energy storage unit to discharge when receiving the third enable signal; the second energy storage unit receives and stores the power via the first power supply unit; and the driving unit provides the power stored in the first energy storage unit to the reclosing apparatus when a predetermined condition is satisfied.
    Type: Application
    Filed: July 16, 2021
    Publication date: January 20, 2022
    Applicant: Schneider Electric Industries SAS
    Inventors: Haijun ZHAO, Ying SHI, Jiamin CHEN, Fabien DECHAMPS, Zhangji ZHOU, Shuang SUN, Bing SHUANG, Lei SHI
  • Publication number: 20220019473
    Abstract: The present disclosure provides an apparatus and method for positioning, and particularly, for data processing resource allocation positioning. The method includes determining a current system state of a system and allocating data processing resources of a data processing device based on the current system state. The system state may be determined based on operation conditions of positioning sensors of the system. The system state may correspond to one or more lifespan parameters. The method may enable allocation of limited computing resources to sensor data analysis models corresponding to positioning sensors in good operation conditions. Therefore, positioning can be performed accurately and efficiently.
    Type: Application
    Filed: June 28, 2021
    Publication date: January 20, 2022
    Applicant: UISEE TECHNOLOGIES (BEIJING) CO., LTD
    Inventors: Wei Feng, Wei Lin, Yu Zhang, Lei Shi, Xiaotong LIU