Patents by Inventor Lei Cao

Lei Cao 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: 11770908
    Abstract: A display device and an assembling method thereof are provided. The display device includes a display including an annular body, two flexible screens and a circuit board assembly disposed on the annular body. The two flexible screens are attached on an outer surface of the annular body, and opposite first ends of the two flexible screens are spliced with each other. The circuit board assembly is disposed in a mounting groove provided on the annular body and positioned between second ends of the two flexible screens. The circuit board assembly is electrically connected to both of the two flexible screens, and can drive the two flexible screens to display independently.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: September 26, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Wenbin Wang, Lei Cao, Long Yang, Junmin Sun, Jinggang Wei, Yunpeng Wu, Zifeng Wang, Yan Ren
  • Publication number: 20230291399
    Abstract: The present invention provides a Miller clamping device for parallel switching transistors and a driver comprising the same. The Miller clamping device includes: a driver chip including an output terminal and a built-in Miller clamping circuit with a Miller clamping terminal, the output terminal of the driver chip being configured to output a pulse width modulation signal; and a plurality of auxiliary Miller clamping circuits, each of the auxiliary Miller clamping circuits being connected between a gate of a corresponding switching transistor and the Miller clamping terminal of the built-in Miller clamping circuit. When the built-in Miller clamping circuit is triggered for Miller clamping, a Miller current generated by the corresponding switching transistor flows to a first direct-current (DC) voltage through a corresponding auxiliary Miller clamping circuit. The Miller clamping device of the present invention can perform Miller clamping on the parallel switching transistors and reduce the circuit cost.
    Type: Application
    Filed: September 3, 2021
    Publication date: September 14, 2023
    Inventors: DONGXIN JIN, HUAFEN OUYANG, LEI CAO, HUALIANG LI, DAWEI ZHENG
  • Patent number: 11746491
    Abstract: A construction process of soil nailing wall for geological disaster control is provided, which uses a construction equipment of soil nailing wall for geological disaster control, including underframe, lifting assembly and etc.; a lifting assembly is installed on the left side of the upper side of the underframe. When in use, the disclosure can automatically cut off the tree trunks extending out of the slope surface, and then install the grouting rods in the soil slope holes. At the same time, the disclosure can adapt to the tree trunks with different bending degrees to cut them, which solves the problem of tree trunks interfering with the construction, greatly improves the efficiency, prevents the cut tree trunks from falling onto the slope, avoids damaging the slope surface, and can adapt to a variety of situations to cut off the tree trunks.
    Type: Grant
    Filed: November 15, 2022
    Date of Patent: September 5, 2023
    Assignee: Qingdao Geo-Engineering Survering Institute (Qingdao Geological Exploration Development Bureau)
    Inventors: Honghua Liu, Lei Cao, Zhongsheng Wang, Jie Dong, Peng Yu, Wanlong Qu, Shian Liu, Zhaojie Gu, Jiani Fu
  • Patent number: 11746948
    Abstract: An adjustment device for a splicing display screen includes: a housing including housing walls and an accommodating cavity, the housing walls including first, second, third and fourth housing walls; a piston member including a piston and a piston rod, wherein the piston is slidably connected in the accommodating cavity, a through hole is provided in the fourth housing wall, and the piston rod is slidably connected in the through hole; an elastic pressing portion in the first housing wall, serving as a part of the first housing wall; and a hydraulic sensor in the accommodating cavity. The accommodating cavity is filled with hydraulic fluid, an inner surface of the elastic pressing portion contacts the hydraulic fluid, and the piston member is configured to be driven by the hydraulic fluid to move in an extending direction of the through hole in response to a pressure applied on the elastic pressing portion.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: September 5, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zifeng Wang, Yan Ren, Lei Cao, Junmin Sun
  • Publication number: 20230276103
    Abstract: A bullet-screen-comment-based check-in implementation method is provided. The method includes: detecting whether a playback progress of a video reaches a preset first playback progress; in response to detecting that the playback progress of the video reaches the preset first playback progress, displaying, based on a video type of the video, a check-in start card corresponding to the video type, the check-in start card including a check-in button; and displaying a check-in success card on a video playback screen in response to a check-in operation triggered by a user through the check-in button.
    Type: Application
    Filed: February 27, 2023
    Publication date: August 31, 2023
    Inventors: Yicong MEI, Guojia CHEN, Lei CAO, Tao ZENG, Jianqiang ZHANG
  • Patent number: 11737242
    Abstract: A heat dissipation apparatus includes a heat dissipation substrate, a heat dissipation component, and a plurality of heat dissipation fins disposed on a first side of the heat dissipation substrate. The heat dissipation fins are configured to dissipate heat on the heat dissipation substrate. A first surface of the heat dissipation component is fastened on a second side of the heat dissipation substrate. There is a gap between a side surface of the heat dissipation component and the heat dissipation substrate, and a second surface of the heat dissipation component is used to be attached to a first to-be-heat-dissipated component, to dissipate heat on the first to-be-heat-dissipated component. An area that is on the second side of the heat dissipation substrate is used to be attached to another to-be-heat-dissipated component. Heating power of the first to-be-heat-dissipated component is greater than heating power of the another to-be-heat-dissipated component.
    Type: Grant
    Filed: September 21, 2022
    Date of Patent: August 22, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Lei Cao, Shoubiao Xu, Shanjiu Chi
  • Publication number: 20230256505
    Abstract: A steel ladle drainage method, is achieved by using a steel ladle structure. Vacuum interlayers are provided within an upper nozzle, an upper fixed plate, alower fixed plate and a sliding plate of the steel ladle structure respectively. In the steel ladle drainage method provided by the present invention, a metal drainage agent is used to replace the drainage sand in the prior art, the metal drainage agent is melted by the liquid steel and deposited in the upper nozzle, the sliding plate with the vacuum interlayer and the upper nozzle with the vacuum interlayer have the insulation effect on the melted metal drainage agent, agent falling. Moreover, through moving the sliding plate, the two pouring holes of the upper and lower fixed plates are connectedwith each other, the metal drainage agent enters the tundish through the pouring holes and the lower nozzle under the action of gravity.
    Type: Application
    Filed: October 29, 2021
    Publication date: August 17, 2023
    Inventors: Lei Cao, Yanjun Meng, Zhen Cao, Weiqing Huang, Yongliang Shi, Bin Yang, Zhongqi Dong, Yanxia Liu, Min Chen, Shanshan Zhang
  • Patent number: 11729248
    Abstract: Systems and method for migrating a web application from a source environment to a cloud service. A cloud service system accesses a temporary container containing a manifest and a plurality of web parts for the web application. The manifest includes a list of contents of the temporary container and defines an appearance and functionality of the web application. The cloud service system then reconstructs the web application on the cloud service by automatically generating a user interface environment for the web application on the cloud service based on the manifest and importing each web part of the web parts to the cloud service. The cloud service system configures each web part and the user interface environment to interact as defined by the manifest. The user interface environment reconstructed on the cloud service replicates the appearance and functionality of the web application operating system in the source environment.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: August 15, 2023
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Long Cheng, Simon Bourdages, Lei Cao, Kangle Yu, Zhigang Zhang, Huan Wang, Jian He, Wen Zhou
  • Patent number: 11729928
    Abstract: The utility model provides a tower UPS frame and a tower UPS. The tower UPS frame comprises: a power supply module frame, which comprises two ports disposed oppositely; a power supply distribution frame; and a fan assembly, which comprises a fan frame and a fan fixed on the fan frame, wherein the power supply distribution frame and the fan frame are arranged in a same row as the power supply module frame and are detachably connected with the two ports of the power supply module frame. The tower UPS frame of the utility model is convenient in assembly and disassembly and reduces repair cost.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: August 15, 2023
    Assignee: SANTAK ELECTRONIC (SHENZHEN) CO., LTD.
    Inventors: Dan Liu, Dawei Zheng, Lei Cao, Lingfu Ou, Yunmei Wu
  • Patent number: 11716063
    Abstract: The present application relates to the field of audio technology, and provides a method, a device, and an apparatus for playing audio, and a computer-readable storage medium. The method for playing audio includes: obtaining an ambient atmospheric pressure value and audio data to be played; obtaining multiple target frequency points contained in the audio data to be played when the ambient atmospheric pressure value meets a preset condition, and determining equal-loudness multiples corresponding to the target frequency points according to the ambient atmospheric pressure value and a preset calibration atmospheric pressure value; and sending the audio data to be played and the equal-loudness multiples of the target frequency points to a power amplifying module, such that the power amplifying module amplifies the audio data to be played according to the equal-loudness multiples corresponding to the target frequency points.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: August 1, 2023
    Assignee: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    Inventors: Guixiao He, Qingxue Zhang, Jiugao Peng, Shiwen Guo, Lei Cao, Haiquan Wu
  • Publication number: 20230228893
    Abstract: A method for in-situ calibration of a fixed radiation dose rate instrument is provided, comprising: in a reference radiation field, calibrating a standard device, a first device to be calibrated to an nth device to be calibrated under a proposed database type, and obtaining a response signal of a first nonhomogeneous extended field generated by a first radiation source, and then establishing a database about type-relative position relationship-statistical data; generating a second nonhomogeneous extended field by a second radiation source with the same type as the first radiation source during in-situ calibration; and searching the type of a current device to be calibrated, and obtaining a final in-situ calibration factor of the current device to be calibrated according to a value in the database corresponding to the type.
    Type: Application
    Filed: November 29, 2022
    Publication date: July 20, 2023
    Inventors: Jianwei HUANG, Dehong LI, Siming GUO, Yang YANG, Xuan ZHANG, Lei CAO, Xiaole ZHANG
  • Patent number: 11697655
    Abstract: A preparation method of an intermediate compound of formula II ((1R,2S,3S,4S,5S,6R,11S,14S,17S,19R,21R,23S,25R,26R,27S,31R,34S)-25-[(2S)-2,3-dihydroxy]-2,5-dihydroxy-26-methoxy-19-methyl-13,20-dimethylene-24,35,36,37,38,39-hexaoxane[29.3.1.13,6.14,34.111,14.117,21.023,27]nonatriacontan-8,29-dione) for eribulin mesylate is provided, including subjecting a compound of formula I to a reaction with an additive in the presence of tetra-n-butylammonium fluoride (TBAF). The additive is piperidine hydrochloride or pyridine hydrochloride, and a reaction formula is as follows: The present invention aims to avoid the problem that a traditional synthetic route has a low yield.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: July 11, 2023
    Assignee: WISDOM PHARMACEUTICAL CO., LTD
    Inventors: Xiaolong Qiu, Tao Xu, Zhiwei Zuo, Jie Ge, Xinwei Lu, Lingling Chu, Wenbo Liu, Biao Wang, Tingwei Gu, Weiwei Wang, Lin Hu, Ping Zou, Jun Chen, Lei Cao
  • Publication number: 20230213980
    Abstract: A two-parts shell or housing assembly not requiring a pressure jig for assembly includes an upper shell and a lower shell. The upper shell includes a first surface and a second surface. Hooks are disposed on edges of the second surface. The lower shell includes an inner bottom surface and a first blocking surface. A stepped portion is formed at the connection portion between the inner bottom surface and the first blocking surface. The stepped portion includes a first side and a second side. The upper shell is disposed on the second side. The first side defines slots corresponding to the hooks. A receiving space is formed by the hook, the stepped portion, and the second side for receiving adhesive. An electronic device is also provided.
    Type: Application
    Filed: April 14, 2022
    Publication date: July 6, 2023
    Inventors: BO-DUO YUAN, YAN-LEI CAO
  • Publication number: 20230188475
    Abstract: This disclosure provides a network resource pre-allocation method, device, system, and medium, wherein the method includes: an NWDAF acquiring historical record information of a user accessing a service, and generating user service preference prediction and suggestion information according to the historical record information; and the NWDAF sending the user service preference prediction and suggestion information to a network function (NF) so that the NF pre-allocates a network resource according to the user service preference prediction and suggestion information.
    Type: Application
    Filed: April 25, 2021
    Publication date: June 15, 2023
    Inventors: Danmo WANG, Biao LONG, Yue SUN, Jiayifan LIU, Liu LIU, Mingxue LI, Ke YIN, Linfeng ZHANG, Qingyang WANG, Bo WANG, Ye ZHAO, Lei CAO
  • Publication number: 20230174969
    Abstract: A barcoded transposase complex and an application thereof in high-throughput sequencing. Provided is a transposase recognition element, having the following structure: X(m)Y(f)N(n), in which X(m) represents a transposase recognition region of a double-stranded nucleic acid structure, Y(f) represents a spacer region of a single-stranded DNA structure, and N(n) represents a sample barcode of a single-stranded DNA structure. The high-molecular-weight DNA is processed using the barcoded transposase complex, to obtain a lot of barcoded DNA fragments. The barcoded DNA fragments obtained from each high-molecular-weight DNA are mixed to obtain a mixing sample. A carrier having a molecular barcode is adopted to capture. An exonuclease is adopted for processing, and then transposase is released. StLFR technology is adopted to construct a DNA library. The barcoded transposase complex can be applied to hybrid sequencing of a high-throughput sequencing platform.
    Type: Application
    Filed: May 18, 2020
    Publication date: June 8, 2023
    Inventors: Xiaofang CHENG, Yan ZOU, Dan CHEN, Zhou LONG, Lei CAO, Lin XIE, Ping LIU
  • Patent number: 11663819
    Abstract: An image processing method, apparatus, and device, and a storage medium are provided. The method is performed by a computing device, and includes: determining a first image feature of a first size of an input image, the first image feature having at least two channels; performing weight adjustment on each channel in the first image feature by using a first weight adjustment parameter, to obtain an adjusted first image feature, the first weight adjustment parameter including at least two parameter components, and each parameter component being used for adjusting a pixel of a channel corresponding to each parameter component; downsampling the adjusted first image feature to obtain a second image feature having a second size; combining the first image feature and the second image feature to obtain a combined image feature; and determining an image processing result according to the combined image feature.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: May 30, 2023
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Yi Fan Hu, Shi Lei Cao, Ye Feng Zheng
  • Publication number: 20230153965
    Abstract: Methods and apparatuses for performing image processing using artificial intelligence are provided. In an embodiment, an image processing method includes acquiring a target image based on an editing operation on an original image, performing a filling processing operation on the target image to obtain a first filled image including a first target region, identifying a target patch based on the first filled image, calculating a similarity value between the target patch and at least one patch related to the first filled image using a first artificial intelligence (AI) model, determining a target residual patch corresponding to the target patch based on the similarity value and generating a processing result image based on the target residual patch.
    Type: Application
    Filed: December 2, 2022
    Publication date: May 18, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Mengmeng Bai, Li Zuo, Wei Wen, Lei Cao, Xiansong Song, Jaekeun Na, Changwei Wang
  • Publication number: 20230151578
    Abstract: A construction process of soil nailing wall for geological disaster control is provided, which uses a construction equipment of soil nailing wall for geological disaster control, including underframe, lifting assembly and etc.; a lifting assembly is installed on the left side of the upper side of the underframe. When in use, the disclosure can automatically cut off the tree trunks extending out of the slope surface, and then install the grouting rods in the soil slope holes. At the same time, the disclosure can adapt to the tree trunks with different bending degrees to cut them, which solves the problem of tree trunks interfering with the construction, greatly improves the efficiency, prevents the cut tree trunks from falling onto the slope, avoids damaging the slope surface, and can adapt to a variety of situations to cut off the tree trunks.
    Type: Application
    Filed: November 15, 2022
    Publication date: May 18, 2023
    Inventors: Honghua LIU, Lei CAO, Zhongsheng WANG, Jie DONG, Peng YU, Wanlong QU, Shian LIU, Zhaojie GU, Jiani FU
  • Patent number: D991912
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: July 11, 2023
    Assignee: Shenzhen Grandsun Electronic Co., Ltd.
    Inventors: Zhangliang Xiong, Dejun Jiang, Lei Cao, Xin Chi, Guixiao He, Shiwen Guo, Haiquan Wu
  • Patent number: D996399
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: August 22, 2023
    Assignee: Shenzhen Grandsun Electronic Co., Ltd.
    Inventors: Jiugao Peng, Ruiwen Shi, Guixiao He, Shiwen Guo, Lei Cao, Chuan Wang, Haiquan Wu