Patents by Inventor Liang Qiao

Liang Qiao 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: 20230065531
    Abstract: Disclosed is a single-ended test method for the wave-absorbing characteristic of a material. The device comprises a sample cavity, a microwave transmission rod, spring needles, an SMA joint and a vector network analyzer, wherein one end of the sample cavity is provided with a test fixture; the microwave transmission rod is arranged in the sample cavity and is connected with the test fixture in a penetrating mode; the spring needles are arranged in the microwave transmission rod; the SMA joint is arranged at the other end of the sample cavity; the receiving end of the vector network analyzer is electrically connected with a coaxial cable, and the other end of the coaxial cable is electrically connected with the other end of the SMA joint.
    Type: Application
    Filed: July 27, 2022
    Publication date: March 2, 2023
    Inventors: Xiling LI, Liang QIAO, Jianbo WANG
  • Publication number: 20230065376
    Abstract: Provided herein are immunogenic compositions for the prevention of Zika virus infections. Disclosed herein are immunogenic compositions comprising an expression vector and a nucleotide sequence disposed therein, wherein the nucleotide sequence comprises: a nucleotide sequence encoding a Zika virus NS3 protein. Further disclosed herein are methods for preventing a Zika virus infection in a subject in need thereof, the method comprising administering a therapeutically effective amount of an immunogenic composition of the present disclosure to the subject.
    Type: Application
    Filed: February 4, 2021
    Publication date: March 2, 2023
    Inventors: Lanying DU, Wanbo TAI, Liang QIAO, Frank GAMBINO
  • Publication number: 20230050092
    Abstract: This application provides a method for transmitting an SS/PBCH block and an apparatus. The method includes: A terminal device receives one SS/PBCH block in an SS/PBCH block burst set, and then obtains indication information based on the one SS/PBCH block. The indication information may be used to indicate candidate indexes of at least one SS/PBCH block in the SS/PBCH block burst set, and a quantity of the candidate indexes is greater than 64. For example, the quantity of candidate indexes may be 128, 160, 180, 196, 240, or the like. A network device may not be limited to 64 candidate indexes. In other words, a quantity of candidate positions used to send the SS/PBCH block is not limited to 64. Therefore, the network device may send a larger quantity of SS/PBCH blocks to the terminal device.
    Type: Application
    Filed: October 13, 2022
    Publication date: February 16, 2023
    Inventors: Liang QIAO, Jiayin ZHANG, Weiwei FAN
  • Publication number: 20230030939
    Abstract: A cleaner hanger assembly, comprising a hanger (30), a charging bottom plate (20), an accessory frame (40), a hanger column (50) and a base (60). The charging bottom plate (20) can be used in cooperation with the hanger (30), so that a charging operation can be performed while the cleaner is hung on the hanger (30) whether when the cleaner is in a hanging state or in a floor-standing state, and the charging bottom plate (20) can also be detached for separate use. The hanger (30) can be connected to the accessory frame (40) to form a wall hanger assembly; or the hanger (30) can be connected to the base (60) by means of the hanger column (50), and the accessory frame (40) is fixed in the middle of the hanger column (50) to form a floor-standing hanger assembly.
    Type: Application
    Filed: October 19, 2020
    Publication date: February 2, 2023
    Applicant: Beijing Roborock Technology Co., Ltd.
    Inventors: Tao Qin, Liang Qiao, Peng Lei, Minghai Liu
  • Publication number: 20220415069
    Abstract: Methods and an apparatuses for recognizing a text, recognition devices and storage media are provided, which belong to the field of text detections. A method includes: extracting, by the recognition device, a feature map of a to-be-recognized image, then determining segmentation information of a text region of the to-be-recognized image based on a preset segmentation network and the feature map, and then determining boundary key points in the text region based on the segmentation information, and then converting a text in the text region into a text with a target arrangement sequence based on the boundary key points and then inputting the text obtained by conversion into a preset recognition model for recognition processing.
    Type: Application
    Filed: November 20, 2020
    Publication date: December 29, 2022
    Applicant: SHANGHAI GOLDWAY INTELLIGENT TRANSPORTATION SYSTEM CO., LTD.
    Inventor: Liang QIAO
  • Publication number: 20220337304
    Abstract: This application discloses a directional measurement method and a device. In this solution, a terminal device may determine a to-be-measured receive beam, and perform RSSI measurement on the to-be-measured receive beam. According to the method, the terminal device may perform RSSI measurement on the to-be-measured receive beam in a targeted manner, and does not need to perform RSSI measurement in all directions. Therefore, in the method, directional RSSI measurement of the terminal device can be implemented, time and power that are consumed by the terminal device to perform RSSI measurement can be reduced, and RSSI measurement efficiency of the terminal device can be improved.
    Type: Application
    Filed: June 30, 2022
    Publication date: October 20, 2022
    Inventors: Liang QIAO, Jiayin ZHANG, Weiwei FAN
  • Publication number: 20220319570
    Abstract: A memory device includes an array of memory cells, a plurality of bit lines, a current control circuit, and a discharge enable circuit. The array of memory cells includes a plurality of columns of memory cells. The plurality of bit lines are respectively coupled to the plurality of columns of memory cells. The current control circuit is coupled to the plurality of bit lines to control a discharge current in a discharge operation. The discharge enable circuit is coupled to the current control circuit to enable the discharge operation. The discharge operation discharges a charge on the plurality of bit lines.
    Type: Application
    Filed: May 4, 2021
    Publication date: October 6, 2022
    Inventor: Liang QIAO
  • Publication number: 20220292752
    Abstract: A method, device, and apparatus for synthesizing a motion sequence of a virtual object and a non-transitory computer-readable storage medium are disclosed. The method can include obtaining description information of a motion sequence of a virtual object, and determining a continuous motion clip set similar to at least some motions in the motion sequence based on the description information and a continuous motion clip library constructed with video materials. The method can further include synthesizing the motion sequence of the virtual object based on the continuous motion clip set, where each continuous motion clip in the continuous motion clip library includes a unique identifier of the continuous motion clip, motion information of the continuous motion clip, and a representation vector corresponding to the each continuous motion clip.
    Type: Application
    Filed: February 25, 2022
    Publication date: September 15, 2022
    Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Di KANG, Jing LI, Weidong CHEN, Wei ZHANG, Liang QIAO, Linchao BAO
  • Patent number: 11321870
    Abstract: Embodiments of this application disclose a camera attitude tracking method and apparatus, a device, and a system in the field of augmented reality (AR). The method includes receiving, by a second device with a camera, an initial image and an initial attitude parameter that are transmitted by a first device; obtaining, by the second device, a second image acquired by the camera; obtaining, by the second device, a camera attitude variation of the second image relative to the initial image; and obtaining, by the second device, according to the initial attitude parameter and the camera attitude variation, a second camera attitude parameter, the second camera attitude parameter corresponding to the second image.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: May 3, 2022
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Xiangkai Lin, Yonggen Ling, Linchao Bao, Xiaolong Zhu, Liang Qiao, Wei Liu
  • Publication number: 20220121962
    Abstract: A BlockNet security organization storage mapping method for spatial data includes: first constructing a BlockNet gene propagation mechanism according to the characteristics of the BlockNet storage space data, and then designing multi-source gene propagation in a multi-space data center scenario mechanism. In the multi-source gene propagation mechanism, the propagation round control and the in/out-degree control mechanism are designed for the possible radiation crossover problems and radiation impact problems. A BlockNet information update plan is designed for data modification and update requirements in spatial data storage scenarios. In addition to realizing the unique primary key block coding of spatial data and accelerating the indexing speed, it also retains elevation information through multi-dimensional coding, expands the amount of information, improves the utilization efficiency of spatial data, and the security of data mapping and storage process is greatly improved.
    Type: Application
    Filed: December 30, 2021
    Publication date: April 21, 2022
    Inventors: Zhihan Lv, Liang Qiao, Jinhua Li
  • Publication number: 20220092813
    Abstract: Embodiments of this application disclose a method for displaying a virtual character in a plurality of real-world images captured by a camera is performed at an electronic device. The method includes: capturing an initial real-world image using the camera; simulating a display of the virtual character in the initial real-world image; capturing a subsequent real-world image using the camera after a movement of the camera; determining position and pose updates of the camera associated with the movement of the camera from tracking one or more feature points in the initial real-world image and the subsequent real-world image; and adjusting the display of the virtual character in the subsequent real-world image in accordance with the position and pose updates of the camera associated with the movement of the camera.
    Type: Application
    Filed: December 6, 2021
    Publication date: March 24, 2022
    Inventors: Xiangkai LIN, Liang QIAO, Fengming ZHU, Yu ZUO, Zeyu YANG, Yonggen LING, Linchao BAO
  • Patent number: 11270460
    Abstract: A method for determining a pose of an image capturing device is performed at an electronic device. The electronic device acquires a plurality of image frames captured by the image capturing device, extracts a plurality of matching feature points from the plurality of image frames and determines first position information of each of the matching feature points in each of the plurality of image frames. After estimating second position information of each of the matching feature points in a current image frame in the plurality of image frames by using the first position information of each of the matching feature points extracted from a previous image frame in the plurality of image frames, the electronic device determines a pose of the image capturing device based on the first position information and the second position information of each of the matching feature points in the current image frame.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: March 8, 2022
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Liang Qiao, Xiangkai Lin, Linchao Bao, Yonggen Ling, Fengming Zhu
  • Patent number: 11222440
    Abstract: Embodiments of this application disclose a position and pose determining method performed at an electronic device. The method includes: acquiring, by tracking a first feature point extracted from a marked image, position and pose parameters of a first image captured by a camera relative to the marked image; extracting a second feature point from the first image in a case that the first image fails to meet a feature point tracking condition; and acquiring, by tracking the first feature point and the second feature point, position and pose parameters of a second image captured by the camera relative to the marked image, and determining a position and a pose of the camera according to the position and pose parameters, the second image being an image captured by the camera after the first image.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: January 11, 2022
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Xiangkai Lin, Liang Qiao, Fengming Zhu, Yu Zuo, Zeyu Yang, Yonggen Ling, Linchao Bao
  • Patent number: 11205488
    Abstract: Apparatuses and methods for protecting transistors through charge sharing are disclosed herein. An example apparatus includes a transistor comprising a gate node and a bulk node, a charge sharing circuit coupled between the gate and bulk nodes, and logic. The charge sharing circuit is configure to equalize charge differences between the gate and bulk nodes, and the logic is configured to enable the charge sharing circuit based at least in part on a combination of first and second signals, which indicate the presence of a condition.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: December 21, 2021
    Assignee: Micron Technology, Inc.
    Inventors: Yafeng Zhang, Liang Qiao, Chunyuan Hou, Jun Xu
  • Patent number: 11158083
    Abstract: Embodiments of this application disclose a position and attitude determining method. The method includes acquiring, by tracking a feature point of a first marked image, position and attitude parameters of an image captured by a camera; using a previous image of a first image as a second marked image in response to the previous image of the first image meeting a feature point tracking condition and the first image failing to meet the feature point tracking condition; acquiring, position and attitude parameters of the image captured by the camera relative to the second marked image; acquiring position and attitude parameters according to the position and attitude parameters of the image relative to the second marked image and position and attitude parameters of each marked image relative to a previous marked image; and determining a position and an attitude of the camera according to the position and attitude parameters.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: October 26, 2021
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Xiangkai Lin, Liang Qiao, Fengming Zhu, Yu Zuo, Zeyu Yang, Yonggen Ling, Linchao Bao
  • Publication number: 20210319621
    Abstract: A face modeling method and apparatus, an electronic device and a computer-readable medium. Said method comprises: acquiring multiple depth images, the multiple depth images being obtained by photographing a target face at different irradiation angles; performing alignment processing on the multiple depth images to obtain a target point cloud image; using the target point cloud image to construct a three-dimensional model of the target face. The present disclosure alleviates the technical problems of poor robustness and low precision of the three-dimensional model constructed according to the three-dimensional model constructing method.
    Type: Application
    Filed: August 9, 2019
    Publication date: October 14, 2021
    Inventors: Liang QIAO, Keqing CHEN, Haibin HUANG
  • Patent number: 11114168
    Abstract: A sense circuit of a memory cell includes a first switch, a sense node, a third switch, a connection node, a fourth switch, and a memory cell coupled in series. A boost driver is coupled to the sense node. A second switch and the connection node are coupled in series. The boost driver outputs a first voltage when the first, second, third, fourth switches are turned on. The third switch is then turned off and the boost driver outputs a second voltage higher than the first voltage such that the voltage level at the sense node is not higher than a system voltage. The third switch is turned on, then turned off and the boost driver outputs an intermediate voltage between the first voltage and the second voltage. A state of the memory cell is determined during output of the intermediate voltage.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: September 7, 2021
    Assignee: Yangtze Memory Technologies Co., Ltd.
    Inventors: Ke Liang, Liang Qiao, Chunyuan Hou
  • Publication number: 20210271892
    Abstract: A computer device extracts a plurality of target windows from a target video. Each of the target windows comprises a respective plurality of consecutive video frames. For each of the target windows, the device performs action recognition on the respective plurality of consecutive video frames corresponding to the target window to obtain respective first action feature information of the target window. The device obtains a similarity between the first action feature information of the target window and preset feature information. The device determines, from the respective obtained similarities corresponding to the plurality of target windows, a highest first similarity and a first target window corresponding to the highest first similarity. The device also determines a dynamic action corresponding to the highest first similarity as the preset dynamic action in accordance with threshold settings.
    Type: Application
    Filed: May 14, 2021
    Publication date: September 2, 2021
    Inventors: Jingmin Luo, Liang Qiao, Xiaolong Zhu
  • Publication number: 20210225568
    Abstract: The present disclosure relates to a soft magnetic composite with a two-dimensional magnetic moment and a high working frequency band, and a preparation method therefor. According to an embodiment, the soft magnetic composite with a two-dimensional magnetic moment may comprise: an insulating matrix; and two-dimensional magnetic moment micropowder dispersed in the insulating matrix, wherein inside the two-dimensional magnetic moment micropowder, a magnetic moment is distributed in a specific two-dimensional plane.
    Type: Application
    Filed: September 29, 2019
    Publication date: July 22, 2021
    Inventors: Xiaoming WANG, Zheng YANG, Fashen LI, Chunsheng GUO, Liang QIAO, Tao WANG
  • Publication number: 20210174880
    Abstract: A sense circuit of a memory cell includes a first switch, a sense node, a third switch, a connection node, a fourth switch, and a memory cell coupled in series. A boost driver is coupled to the sense node. A second switch and the connection node are coupled in series. The boost driver outputs a first voltage when the first, second, third, fourth switches are turned on. The third switch is then turned off and the boost driver outputs a second voltage higher than the first voltage such that the voltage level at the sense node is not higher than a system voltage. The third switch is turned on, then turned off and the boost driver outputs an intermediate voltage between the first voltage and the second voltage. A state of the memory cell is determined during output of the intermediate voltage.
    Type: Application
    Filed: March 10, 2020
    Publication date: June 10, 2021
    Inventors: Ke Liang, Liang Qiao, Chunyuan Hou