Patents by Inventor Zhihua Zhang
Zhihua Zhang 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).
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Publication number: 20250126000Abstract: This application discloses a path recovery method and apparatus. The method includes: When an anomaly occurs on a transmission path of a signal, a target adaptive equalization coefficient corresponding to an anomaly type of the transmission path is determined from a plurality of candidate adaptive equalization coefficients that enable an adaptive equalization operation to converge. Then, the adaptive equalization operation is performed on the signal based on the target adaptive equalization coefficient to obtain an adaptive equalized signal. Finally, the transmission path is recovered based on the adaptive equalized signal.Type: ApplicationFiled: December 5, 2024Publication date: April 17, 2025Inventors: Cheng Li, Zhengtao Zhang, Zhihua Xu, Guanghu Yang, Zebin Jiang
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Patent number: 12266297Abstract: A display panel and a display device are provided. The display panel includes circuit rows and pixel circuit columns arranged as an array. Each pixel circuit row includes a first pixel circuit and a second pixel circuit, the first pixel circuit is electrically connected to a first scan line and the second pixel circuit is electrically connected to a second scan line; first pixel circuits in a same column are electrically connected to the first data line, and second pixel circuits in a same column are electrically connected to the second data line; and a first scan signal on the first scan line is configured to control whether a first data signal is written to the first pixel circuit, and a second scan signal on the second scan line is configured to control whether a second data signal is written to the second pixel circuit.Type: GrantFiled: April 11, 2024Date of Patent: April 1, 2025Assignee: Xiamen Tianma Display Technology Co., Ltd.Inventors: Hui Zhong, Jinjin Yang, Jun Li, Zhihua Yu, Kangpeng Yang, Shuang Zou, Hai Yin, Haibo Zhang, Jin Guo, Haichao Lu, Zhengyu Ye, Wenchun Chen
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Patent number: 12247160Abstract: Provided are methods for modifying the permeability of subterranean formations for the purposes of selectively reducing excessive production of water and aqueous fluids in oil and gas wells, wherein the methods utilize an emulsion containing a copolymer, which is typically prepared in an aqueous salt media.Type: GrantFiled: July 23, 2019Date of Patent: March 11, 2025Assignee: ENERGY SOLUTIONS (US) LLCInventors: Chee Fei Chin, Zhihua Zhang, Zhenxing Cheng, Ahmed Rabie, Hoang Van Le
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Publication number: 20250076268Abstract: The present disclosure belongs to the technical fields of nanoscience and fluorescence sensing, and specifically relates to a preparation method of a paper-based sensor for detecting an ammonia gas, and a use of the paper-based sensor. In the present disclosure, Zn(PA)(BPE) is first prepared, and a porous structure on a surface of the Zn(PA)(BPE) is used to adsorb an ammonia gas to improve a reaction sensitivity of the ammonia gas; then a Zn(PA)@CNQD ratiometric fluorescent substance is prepared from Zn(PA)(BPE) and CNQD through embedding, and finally dissolved in ultrapure water (UPW) to obtain a solution; and the solution is added dropwise on a filter paper, and the filter paper is purged with nitrogen, such that the solution is loaded on the filter paper to obtain a ratiometric fluorescent paper-based sensor.Type: ApplicationFiled: May 30, 2023Publication date: March 6, 2025Applicant: Jiangsu UniversityInventors: Xiaowei HUANG, Zhihua LI, Xiaobo ZOU, Wei SUN, Jiyong SHI, Xinai ZHANG, Ning ZHANG, Di ZHANG, Xiaodong ZHAI, Xuetao HU, Tingting SHEN
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Publication number: 20250058375Abstract: The present disclosure relates to the technical field of die casting machine devices, in particular to a digital die casting machine with mold temperature control, including: a die casting machine configured to die-cast a casting through a mold, a cooling flow control apparatus configured to control a mold temperature by controlling a cooling medium flow, a temperature collection apparatus configured to collect the mold temperature, a control cabinet configured to acquire and store data collected by the temperature collection apparatus and control operation of the die casting machine, the cooling flow control apparatus and an automatic control apparatus, an edge computer configured to execute a die casting temperature optimization strategy according to the collected data stored in the control cabinet, and the automatic control apparatus. The present disclosure improves the molding quality of castings by adjusting the mold temperature in a casting process.Type: ApplicationFiled: December 4, 2023Publication date: February 20, 2025Inventors: Zuo Xu, Zhihua Zhu, Yiming Li, Hongfeng Cui, Tianxiao Yuan, Shiwei Guo, Ji Wang, Shuangyong Liu, Xia Qiao, Shide Li, Weixin Wang, Donghui Zhang, Zhihua Li, Yuxing Li
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Patent number: 12229667Abstract: A method and an apparatus for generating a shared encoder are provided, which belongs to a field of computer technology and deep learning. The method includes: sending by a master node a shared encoder training instruction to child nodes, so that each child node obtains training samples based on a type of a target shared encoder included in the training instruction; sending an initial parameter set of the target shared encoder to be trained to each child node after obtaining a confirmation message returned by each child node; obtaining an updated parameter set of the target shared encoder returned by each child node; determining a target parameter set corresponding to the target shared encoder based on a first preset rule and the updated parameter set of the target shared encoder returned by each child node.Type: GrantFiled: March 23, 2021Date of Patent: February 18, 2025Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTDInventors: Daxiang Dong, Wenhui Zhang, Zhihua Wu, Dianhai Yu, Yanjun Ma, Haifeng Wang
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Publication number: 20250051321Abstract: Disclosed are a tricyclic derivative and a preparation method therefor and an application thereof. Specifically, disclosed are a compound shown in formula (I) and an optical isomer thereof or a pharmaceutically acceptable salt thereof, and an application of the compound as an Autotaxin inhibitor.Type: ApplicationFiled: November 25, 2022Publication date: February 13, 2025Applicant: SHANGHAI JEMINCARE PHARMACEUTICAL CO., LTD.Inventors: Gang DENG, Shuchun GUO, Jun FAN, Zhitao ZHANG, Nan WU, Wenqiang SHI, Zhihua FANG, Jianbo FENG, Jianbiao PENG, Haibing GUO
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Patent number: 12223621Abstract: The present disclosure provides a virtual viewpoint synthesis method, including: pre-processing a depth image with zero parallax corresponding to an original image to obtain a processed depth image; generating virtual viewpoint images corresponding to a plurality of virtual viewpoints respectively according to the processed depth image and the original image; and filling holes in the virtual viewpoint image to generate a plurality of filled virtual viewpoint images. The present disclosure further provides an electronic apparatus and a computer-readable medium.Type: GrantFiled: January 25, 2021Date of Patent: February 11, 2025Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yan Sun, Minglei Chu, Tiankuo Shi, Yanhui Xi, Zhihua Ji, Yifan Hou, Chenxi Zhao, Shuo Zhang, Xiangjun Peng, Xiaomang Zhang, Wei Sun
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Patent number: 12211417Abstract: The present disclosure provides a A driving method of a display panel, including: determining a target region and a non-target region in the display panel; dividing the target region into a plurality of target sub-regions, and dividing the non-target region into a plurality of non-target sub-regions, wherein an area of the target sub-region is less than that of the non-target sub-region; determining brightness compensation values of each target sub-region and each non-target sub-region according to a gray scale value of each pixel in an input image; determining a compensated brightness of each pixel unit in the display panel according to the gray scale value of each pixel in the input image, the brightness compensation values of each target sub-region and each non-target sub-region; and driving each pixel unit in the display panel to emit light according to the compensated brightness of each pixel unit in the display panel.Type: GrantFiled: October 22, 2021Date of Patent: January 28, 2025Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yifan Hou, Tiankuo Shi, Zhihua Ji, Wei Sun, Xiaomang Zhang, Minglei Chu, Yan Sun, Shuo Zhang, Xiangjun Peng
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Publication number: 20250025176Abstract: A circular stapling device (10) includes a handle assembly (12) having an indicator assembly (80) that includes a clicker assembly (82) and a biasing member (84). The clicker assembly (82) provides an audible and/or tactile signal to a clinician when an anvil assembly (20) of the stapling device (10) is moved from a clamped position towards an open position a distance sufficient to allow an anvil head (56) of the anvil assembly (20) to pivot in relation to a reload assembly (18) of the stapling device (10) from an operative position to a tilted reduced profile position. The signal is provided to the clinician while the anvil assembly (20) is locked onto the stapling device (10).Type: ApplicationFiled: December 2, 2021Publication date: January 23, 2025Inventors: Yishuai Xu, Xiliang Zhang, Yanli Wan, Yanjun Jiao, Jinhang Liu, Zhihua Zhang, Xiucheng Shen
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Patent number: 12205551Abstract: A dimming method for a display panel is provided, including: acquiring image data of an image to be displayed; determining initial dimming pixel data of each of dimming pixels according to the image data; determining a dimming pixel to be filtered in the dimming screen according to the initial dimming pixel data of each of dimming pixels; determining a first filtering region according to the determined dimming pixel to be filtered; determining a filtering parameter of each of dimming pixels in the first filtering region according to a relationship between each of dimming pixels in the first filtering region and initial dimming pixel data of each of dimming pixels in the first filtering region; and updating dimming pixel data of the dimming pixel to be filtered according to the filtering parameter of each of dimming pixels in the first filtering region, so as to obtain updated dimming pixel data.Type: GrantFiled: January 4, 2022Date of Patent: January 21, 2025Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xiangjun Peng, Tiankuo Shi, Shuo Zhang, Yifan Hou, Zhihua Ji, Xiaomang Zhang, Xin Duan, Wei Sun
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Patent number: 12207098Abstract: A spectrum resource determining method includes obtaining sharing information. The sharing information indicates that N first cells and one second cell share a first frequency band, a coverage area of each first cell among the N first cells overlaps a coverage area of the second cell, and N is an integer greater than 1. The method also includes determining a spectrum resource of each first cell among the N first cells in the first frequency band and a first spectrum resource of the second cell. The first spectrum resource is located in the first frequency band, and the first spectrum resource does not overlap the spectrum resource of each first cell among the N first cells in the first frequency band.Type: GrantFiled: November 19, 2021Date of Patent: January 21, 2025Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Quan Ge, Liwen Zhang, Ning He, Zhihua Liu, Quanzhong Gao
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Patent number: 12132306Abstract: Disclosed is a BRCT clamping absorption circuit with short circuit protection, which relates to the technical field of short-circuit protection, includes a load module, a short-circuit detection module, a short-circuit protection module, a spike absorption module, a rectifying module, a clamping module and a main control module, wherein, the spike absorption module is connected with the load module, the rectifying module is connected with the spike absorption module, and the clamping module is connected with the rectifying module to form a clamping absorption protection for a spike voltage; the main control module is connected with the short-circuit detection module, and is used for controlling the on-off of a load regulator according to the short-circuit signal.Type: GrantFiled: October 28, 2022Date of Patent: October 29, 2024Assignee: Shenzhen Hontech-Wins Electronics Co., Ltd.Inventors: Wencai Wei, Zhihua Zhang
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Patent number: 12018211Abstract: Water-in-oil emulsions are provided that include an alkyl propylene diamine and an ethoxylated alcohol as the inverting surfactant, which is present in an amount less than 5 percent by weight of the water-in-oil emulsion.Type: GrantFiled: June 9, 2020Date of Patent: June 25, 2024Assignee: RHODIA OPERATIONSInventors: Stanley Gunawan, Zhihua Zhang, Shaopeng Zhang, Igor Pimkov, Zhenxing Cheng, Qi Qu
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Publication number: 20240148388Abstract: A ligation clip(10) includes a hinge portion(300) having a flexible insert assembly(400) embedded in a body portion of the hinge portion(300). The flexible insert assembly(400) includes inserts(402, 404, 406) that are formed of a material that is more flexible than a material forming the body portion of the hinge portion(300). In this manner, plastic deformation in the hinge portion(300) of the ligation clip(10) is reduced or eliminated.Type: ApplicationFiled: March 16, 2021Publication date: May 9, 2024Inventor: Zhihua Zhang
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Patent number: 11937349Abstract: Disclosed is a drive circuit for a digital dimming LED light, relating to the LED light drive circuits, which includes a power module and a dimming module corresponding to the LED lights, wherein the dimming module comprises a demodulation unit, a boosting constant voltage unit and a constant current chopper unit, and the power module is used to convert a utility power into DC power and output it to the demodulation unit, and to receive an external dimming signal and modulate and convert it into a digital signal. The demodulation unit is connected to the power module for receiving and demodulating the digital signal, the constant current chopper unit is connected to the demodulation unit, and both the boosting constant voltage unit and the constant current chopper unit are connected with the LED lights, so that the brightness of the LED lights is consistent.Type: GrantFiled: October 27, 2022Date of Patent: March 19, 2024Assignee: Shenzhen Hontech-Wins Electronics Co., LTD.Inventors: Zhihua Zhang, Wencai Wei, Zhenting Fan
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Patent number: 11933835Abstract: The present invention relates to the technical field of fault location of distributed energy resources connected flexible DC distribution network, and disclosed a fault location method, system and application of bipolar short-circuit of two-level VSC-type photovoltaic-connected flexible DC distribution network, wherein, directions of positive currents of DC feeders during fault are used to locate a fault section; a bipolar short-circuit distance measurement model covering interactions and responses of systems is established according to equivalent circuits of transient periods; and fault location is done by obtaining a distance to fault with electric parameters and information of the fault.Type: GrantFiled: June 8, 2023Date of Patent: March 19, 2024Assignee: CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)Inventors: Zhihua Zhang, Mingming Sun, Yongtao Tian, Hao Wang, Kun Wang, Chengmin Liu
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Publication number: 20230400498Abstract: The present invention relates to the technical field of fault location of distributed energy resources connected flexible DC distribution network, and disclosed a fault location method, system and application of bipolar short-circuit of two-level VSC-type photovoltaic-connected flexible DC distribution network, wherein, directions of positive currents of DC feeders during fault are used to locate a fault section; a bipolar short-circuit distance measurement model covering interactions and responses of systems is established according to equivalent circuits of transient periods; and fault location is done by obtaining a distance to fault with electric parameters and information of the fault.Type: ApplicationFiled: June 8, 2023Publication date: December 14, 2023Inventors: Zhihua ZHANG, Mingming SUN, Yongtao TIAN, Hao WANG, Kun WANG, Chengmin LIU
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Patent number: 11839376Abstract: A handle assembly (12) of a hand-held surgical instrument (10) includes a handle housing (26), a motor (36), and a dual thread lead screw (46) operably coupled to the motor (36) and configured to move proximally and/or distally in response to an actuation of the motor (36). A first thread pitch of the lead screw (46) is suitable for effecting a closing of jaw members (20a, 20b) of an end effector (20), and a second thread pitch of the lead screw (46) is suitable for effecting a stapling function of the end effector (20).Type: GrantFiled: August 30, 2019Date of Patent: December 12, 2023Assignee: COVIDIEN LPInventors: Shouwei Li, Yezhou Wu, Fen Du, Zhihua Zhang
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Patent number: D1056234Type: GrantFiled: December 19, 2022Date of Patent: December 31, 2024Assignees: ZM ELECTRONICS CO., LTD., HDT(SZ)CO., LTD.Inventor: Zhihua Zhang