Patents by Inventor Xiaopeng Li

Xiaopeng Li 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: 20210138008
    Abstract: Provided is a recombinant oncolytic virus composition, comprising a first recombinant oncolytic virus and a second recombinant oncolytic virus. Both the first and second recombinant oncolytic viruses comprise a herpes simplex virus vector and an exogenous gene, the exogenous gene is encoded from one of cytokine, a monoclonal antibody having a tumor preventative and/or treatment function, tumor antigens, prodrug invertase, tumor suppressor polypeptide, antisense RNA or small RNA, wherein the exogenous genes in the first and the second recombinant oncolytic viruses are different. Also provided is an application of the recombinant oncolytic virus composition in preparation of a medicament drug for treating tumors.
    Type: Application
    Filed: March 21, 2019
    Publication date: May 13, 2021
    Inventors: Chao TIAN, Xiaopeng LI, Chunyang SUN, Hua ZHOU, Jiajia LIU, Jingshu ZHAO
  • Patent number: 10958285
    Abstract: A calibratable switched-capacitor voltage reference and an associated calibration method are described. The voltage reference includes dynamic diode elements providing diode voltages, input capacitor(s) for sampling input voltages, base-emitter capacitor(s) for sampling one diode voltage with respect to a ground, dynamically trimmable capacitor(s) for sampling the one diode voltage with respect to another diode voltage, and an operational amplifier coupled to the capacitors for providing reference voltage(s) based on the sampled input and diode voltages and on trims of the trimmable capacitor(s). The voltage reference can be configured as a first integrator of a modulator stage of a delta-sigma analog-to-digital converter.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: March 23, 2021
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Bradford Lawrence Hunter, Xiaopeng Li
  • Patent number: 10951808
    Abstract: A method for focus control and a mobile terminal are disclosed. The method includes recognizing whether a face region appears in a preview window in a photographing preview mode; acquiring a preset travel path of the lens that matches with the face region in response to an area of the face region being less than a first preset value, wherein a start point of the preset travel path is a first position, an end point of the preset travel path is a second position close to the far focus position, and the first position is not coincident with the second position; and focusing on the face region following the movement between the first position and the second position along the optical axis according to the preset travel path.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: March 16, 2021
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Xiaopeng Li
  • Patent number: 10937184
    Abstract: A camera assembly, a method for tracking a target portion based on the camera assembly, and an electronic device are provided. The camera assembly includes: a first camera; a first motor for driving the first camera to move; a second camera, comprising a plurality of pixel blocks each being formed of a plurality of photosensitive pixels and configured to obtain a first photodiode pixel by capturing a target portion of an object to be photographed through a first part of the plurality of photosensitive pixels and obtain a second photodiode pixel by capturing the target portion through a second part of the plurality of photosensitive pixels when the target portion is detected; a controller, configured to obtain a global photodiode pixel, calculate a phase difference and control the first motor to drive the first camera to move to an in-focus position according to the phase difference.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: March 2, 2021
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Xiaopeng Li
  • Publication number: 20210028869
    Abstract: A test method includes transmitting, by a transmit device, N signal sequences using a transmit antenna array, obtaining, from a test device, a phase offset that is of each signal sequence in the signal sequences and that is generated after the signal sequence passes through a channel, adjusting an initial test signal based on the phase offset that is of each signal sequence and that is generated after the signal sequence passes through the channel, to obtain a target test signal in-phase superposed at the test device, where the target test signal includes a plurality of signal sequences obtained by separately performing phase adjustment on the initial test signal based on the phase offset that is of each signal sequence and that is generated after the signal sequence passes through a respective channel, and transmitting the target test signal using the transmit antenna array.
    Type: Application
    Filed: October 12, 2020
    Publication date: January 28, 2021
    Inventors: Bo Hao, Xiaopeng Li, Xubo Zhao
  • Publication number: 20210019594
    Abstract: Embodiments of the present invention provide an input data conversion device, comprising: a scheduling unit, to generate a control command according to the size/dimension of the input data and the size/stride of a filter, to control actions of a data moving unit and a row data expansion unit; the data moving unit, to actively read an input data from a system storage space according to the control command of the scheduling unit; a row data caching unit, to store the input data read in; and the row data expansion unit, to read one row of the input data from the row data caching unit each time, and then to expand the row of data into one row data in different filter windows according to the sizes of the filter windows.
    Type: Application
    Filed: March 4, 2019
    Publication date: January 21, 2021
    Applicant: THINKFORCE ELECTRONIC TECHNOLOGY CO., LTD
    Inventors: Mingrun LIU, Liang CHEN, Xiaopeng LI
  • Patent number: 10880539
    Abstract: A method for controlling a structured light projector is provided. The method includes that: a depth image and an initial visible light image of a scene are acquired; whether a face exists in the initial visible light image is determined; responsive to determining that the face exists in the initial visible light image, a distance between the face and the structured light projector is calculated based on the initial visible light image and the depth image; and light emission power of the structured light projector is adjusted based on the distance. A depth camera and an electronic device are also provided.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: December 29, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Xiaopeng Li
  • Publication number: 20200368675
    Abstract: Disclosed in the present disclosure are a low energy consumption anhydrous CO2 phase change absorption agent, and a regeneration method and an application thereof, the absorption agent using a unitary diamine with a primary amine (NH2—) and a tertiary amine (—N—), and not containing any other organic solvent, water, and ionic liquid; two alkyl branches are linked to a nitrogen atom of the tertiary amine, forming a certain hydrophobicity; after absorbing the CO2, the diamine changes from a liquid phase to a solid phase, undergoing liquid-solid phase change to form white amino formate crystals.
    Type: Application
    Filed: September 24, 2019
    Publication date: November 26, 2020
    Applicant: Tiangong University
    Inventors: Qingsong ZHANG, Xiaopeng LI, Yunfei LI, Juan ZHANG, Yirong CAI, Anan LI, Xuedong JIN, Pengfei LIU, Li CHEN
  • Publication number: 20200373940
    Abstract: A calibratable switched-capacitor voltage reference and an associated calibration method are described. The voltage reference includes dynamic diode elements providing diode voltages, input capacitor(s) for sampling input voltages, base-emitter capacitor(s) for sampling one diode voltage with respect to a ground, dynamically trimmable capacitor(s) for sampling the one diode voltage with respect to another diode voltage, and an operational amplifier coupled to the capacitors for providing reference voltage(s) based on the sampled input and diode voltages and on trims of the trimmable capacitor(s). The voltage reference can be configured as a first integrator of a modulator stage of a delta-sigma analog-to-digital converter.
    Type: Application
    Filed: May 22, 2020
    Publication date: November 26, 2020
    Inventors: BRADFORD LAWRENCE HUNTER, XIAOPENG LI
  • Publication number: 20200327698
    Abstract: An image processing apparatus, a method for image processing, and an electronic device are provided. The image processing apparatus includes a Hardware Abstract Layer (HAL), an application (APP) coupled with the HAL, and an Algo Process Service (APS). The HAL is configured to receive a RAW image, to convert the RAW image into a YUV image, and to transmit the RAW image and/or the YUV image to the APP. The APP is configured to transmit the RAW image and/or the YUV image to the APS. The APS is coupled with the HAL via the APP and stores at least one image processing algorithm for image post-processing, and the APS is configured to process, with the at least one image processing algorithm, the RAW image and/or the YUV image.
    Type: Application
    Filed: March 30, 2020
    Publication date: October 15, 2020
    Inventors: Xiaopeng Li, Tao Yang
  • Patent number: 10805537
    Abstract: An imaging control method, an imaging device and a computer readable storage medium are provided. The imaging control method includes: obtaining a first gain index value according to an environment luminance value of a shooting environment and a preset target luminance value; and determining a shooting mode for shooting according to the first gain index value and preset switching condition information, the shooting mode including a bright light mode and a dark light mode.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: October 13, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Xiaopeng Li
  • Patent number: 10741338
    Abstract: Provided is a handcart circuit breaker and a contact device thereof including a contact arm and a moving contact. Inner walls of a cylindrical contact finger base in axial direction respectively have a contact finger groove with a spring contact finger for plugging the contact arm and a fixed contact; a rear of the contact finger base sleeves with a front of the contact arm having a positioning groove larger than a fitting end of the support pin, the contact finger base has support pins extending into the contact finger base; a diameter of a circle corresponding to the fitting end of each support pin is larger than a diameter of a circle corresponding to a bottom of each positioning groove; the contact finger base connects with the contact arm and an elastic support structure is arranged between the contact arm and the inner wall of the contact finger base.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: August 11, 2020
    Assignees: XJ ELECTRIC CO., LTD, XJ GROUP CORPORATION
    Inventors: Junwei Wang, Bangtian Wang, Pengcheng Sun, Weiguo Yang, Siliang Yang, Ran Wei, Xiaopeng Li, Xiaoyu Deng, Libo Zuo, Jinfang Wang, Liping Shi, Miao Wang
  • Publication number: 20200224498
    Abstract: An embodiment of the present disclosure provides a multi-path combined high-low voltage plasma drilling method, a drill bit for drilling and a drill bit apparatus for drilling. The drilling method comprises: disposing a plurality of mutually independent plasma generators on a plasma drill bit, wherein the plasma generators are independently connected to a plasma power source on the ground through wires; allowing each of the plasma generators to eject high-frequency pulsed plasma arc under the control of its corresponding combined high-low voltage pulse power source on the ground; ejecting the high-frequency pulsed plasma arc onto a wall of a drilling well, forming impulsive high temperature thermal shock stress inside the rocks on the wall of the drilling well; and breaking the rocks under the shock of thermal stress to form rock debris.
    Type: Application
    Filed: January 6, 2020
    Publication date: July 16, 2020
    Inventors: Yonghong LIU, Qiang SUN, Qingyun LI, Renjie JI, Baoping CAI, Xiaopeng LI, Yancong HAN, Peng LIU, Xinlei WU, Hang DONG, Fan ZHANG
  • Publication number: 20200217140
    Abstract: An embodiment of the present disclosure provides a multi-path combined high-low voltage plasma drilling power source and drilling system. The multi-path combined high-low voltage plasma drilling power source comprises a high-voltage DC circuit, low-voltage DC circuits, high-voltage breakdown modules and an upper computer; wherein the high-voltage DC circuit is connected with the low-voltage DC circuits through cables; the low-voltage DC circuits and the high-voltage breakdown modules simultaneously supply power to plasma generators through cables; the upper computer monitors the low-voltage DC circuits in real time; and the same power source comprises a plurality of low-voltage DC circuits and high-voltage breakdown modules.
    Type: Application
    Filed: January 2, 2020
    Publication date: July 9, 2020
    Inventors: Yonghong LIU, Qiang SUN, Qingyun LI, Renjie JI, Baoping CAI, Xiaopeng LI, Yancong HAN, Hang DONG, Xinlei WU, Peng LIU, Dege LI
  • Publication number: 20200217143
    Abstract: The present disclosure provides a multi-path combined high-low voltage plasma rock-breaking drill bit, drill bit apparatus and drilling method. The multi-path combined high-low voltage plasma rock-breaking drill bit comprises: a drill bit body, insulators, plasma generators, drilling fluid outlets, plasma integrated pipelines, a drilling fluid pipe; wherein a plurality of plasma generators are distributed on the same drill bit body; the axis of the plasma generator and the axis of the drill bit body form a certain included angle; each of the plasma generators is independently connected to the ground through its respective plasma integrated pipeline and operates independently; and drilling fluid flows out of the drilling fluid outlets, takes away the heat generated by the operation of the plasma generators, thereby cooling the plasma generators.
    Type: Application
    Filed: January 6, 2020
    Publication date: July 9, 2020
    Inventors: Yonghong LIU, Qiang SUN, Qingyun LI, Renjie JI, Baoping CAI, Xiaopeng LI, Yancong HAN, Peng LIU, Dege LI, Xinlei WU, Fan ZHANG
  • Patent number: 10701260
    Abstract: The present disclosure relates to a focusing method, a focusing apparatus, a computer readable storage medium and a terminal. The focusing method includes: controlling an imaging apparatus to employ a contrast-detection autofocus mode to focus on a target object to be captured; obtaining a current focus value and a current offset value of the imaging apparatus correspondingly each time the imaging apparatus is driven to move; obtaining a plurality of focus values of validity from the obtained focus values according to the obtained offset values; and determining a maximum value from the plurality of focus values of validity.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: June 30, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Shijie Zhuo, Xiaopeng Li
  • Patent number: 10669399
    Abstract: Disclosed herein are self-healing conductive network compositions. The networks can contain one or more conductive polymers and one or more supramolecular complexes. The supramolecular complex can be introduced into conductive polymer matrix, resulting in a network of the two components. In this network, the nanostructured conductive polymer gel constructs a 3D network to promote the transport of electrons and mechanically reinforce the network while the supramolecular complex contributes to self-healing property and also conductivity. The networks disclosed herein are useful for various applications such as self-healing electronics, artificial skins, soft robotics and biomimetic prostheses.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: June 2, 2020
    Assignees: Board of Regents, The University of Texas System, Texas State University
    Inventors: Guihua Yu, Ye Shi, Xiaopeng Li
  • Patent number: 10657620
    Abstract: Described herein is a pooling method, device, and system, computer-readable storage medium. The pooling method, comprising: acquiring pixel data of each row where a pooling window is located row by row, each time after the pooling window is moved vertically, wherein the size of the pooling window is N×N, N is a positive integer; writing the acquired pixel data of the first N?1 rows or a pre-pooling result thereof into a cache; and performing a pooling operation on the pixel data of last row where the pooling window being located and pixel data in the cache, when the pixel data of last row being acquired; outputting a pooling result of the pooling operation. The technical solution of the invention may improve the pooling efficiency and the system performance.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: May 19, 2020
    Assignee: THINKFORCE ELECTRONIC TECHNOLOGY CO., LTD.
    Inventors: Jinchi Cai, Xiaopeng Li, Liang Chen
  • Publication number: 20200149067
    Abstract: Provided are a recombinant herpes simplex virus, a preparation method and use thereof. The recombinant herpes simplex virus comprises a vector and foreign genes encoding at least two cytokines, wherein the vector is a herpes simplex virus with genes encoding ICP34.5 and ICP47 deleted, and optionally with at least one of genes encoding ICP6, TK and UNG deleted, and the insertion site/sites of the foreign genes is in at least one of the positions where the genes encoding ICP34.5, ICP47, ICP6, TK and UNG are deleted in the vector.
    Type: Application
    Filed: June 15, 2018
    Publication date: May 14, 2020
    Inventors: Xiaopeng LI, Chao TIAN, Jingshu ZHAO, Jiajia LIU, Hua ZHOU, Chunyang SUN
  • Patent number: 10652450
    Abstract: Embodiments of the present invention provide a focusing processing method and apparatus, and a terminal device. The method includes: obtaining a first image collected by n/2 pixel points on a left side of a combination pixel in the second image sensor and a second image collected by n/2 pixel points on a right side of the combination pixel in the second image sensor; determining a phase difference between the first image and the second image and determining whether the phase difference is in a preset range; and controlling a first motor in the first camera assembly to drive a first camera to move according to the phase difference and depending on a preset strategy, if the phase difference is not in the preset range.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: May 12, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Xiaopeng Li, Gong Zhang