Patents by Inventor Yanhui Zhao
Yanhui Zhao 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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Patent number: 11959012Abstract: The present disclosure a temperature-resistant and salt-resistant modified nano-graphite dispersed particle gel system with a strong self-growth effect.Type: GrantFiled: September 14, 2023Date of Patent: April 16, 2024Assignees: China University of Petroleum (East China), CNOOC Energy Development Co., Ltd. Engineering Branch, Tianjin Branch of China National Offshore Oil Corporation Ltd.Inventors: Guang Zhao, Caili Dai, Dongfang Lyu, Jiaming Li, Kequan Meng, Ju Zheng, Yanxu Zhang, Weiyu Chen, Liguo Zhu, Yanhui Zhang
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Publication number: 20240117903Abstract: An ultrahigh-pressure acid-fracturing isodiametric hose assembly, comprising a hose body and a metal joint. The metal joint comprises an inner tube, a first outer tube the inner tube, and a second outer tube. The first outer tube and the second outer tube each is an independent pressing part. An external groove is provided at an outer wall of the inner tube. An end of the first outer tube comprises an internal ridge which matches the external groove for snapping. The terminal of the inner tube comprises a connecting portion. An outer wall of the inner tube comprises a first protrusion, and an inner wall of the first outer tube comprises a second protrusion engaging with the first protrusion. The hose body is clamped between the first protrusion and the second protrusion that are engaged. An inner wall of the second outer tube comprises multiple micro-protrusions.Type: ApplicationFiled: July 27, 2023Publication date: April 11, 2024Applicant: LUOHE LETONE HYDRAULICS TECHNOLOGY CO., LTD.Inventors: Hongliang ZHAO, Zhian LIU, Peiyuan WU, Feilong ZHANG, Xingpeng YANG, Lili LU, Yong ZHANG, Yanhui ZHAO, Pengfei ZHANG, Ning LI
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Patent number: 11956991Abstract: A display panel includes a substrate and a grating disposed on a light-emitting side of the display panel. The grating includes a plurality of protruding portions and a plurality of interval portions, each interval portion is located between two adjacent protruding portions. The plurality of protruding portions are arranged on the substrate along a first direction, and each protruding portion extends along a second direction perpendicular to the first direction. Each protruding portion includes an outer surface and a bottom surface; the outer surface is a smooth curved surface, and the bottom surface is a flat surface. A cross-sectional figure of each protruding portion along a thickness direction of the display panel is a first figure; the first figure includes a curve and a bottom edge, and the first figure is a closed figure formed by the curve and the bottom edge.Type: GrantFiled: August 30, 2021Date of Patent: April 9, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jin Zhao, Fudong Chen, Kang Guo, Xueyuan Zhou, Mengya Song, Yanhui Lu, Duohui Li, Ning Dang
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Publication number: 20240110089Abstract: The present disclosure a temperature-resistant and salt-resistant modified nano-graphite dispersed particle gel system with a strong self-growth effect.Type: ApplicationFiled: September 14, 2023Publication date: April 4, 2024Applicants: China University of Petroleum (East China), CNOOC Energy Development Co., Ltd. Engineering Branch, Tianjin Branch of China National Offshore Oil Corporation Ltd.Inventors: Guang ZHAO, Caili DAI, Dongfang LYU, Jiaming LI, Kequan MENG, Ju ZHENG, Yanxu ZHANG, Weiyu CHEN, Liguo ZHU, Yanhui ZHANG
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Patent number: 11941318Abstract: The present application provides an audio and video playing system, a playing method and a playing device. The system comprises: a display device; a directional sound output module configured to output a directional sound signal; a tracking element configured to monitor a target visual area and to monitor the target display area on the display screen; and a processor, connected with the directional sound output module and the tracking element respectively, and configured to acquire a first audio and video data to be output in the target display area, display image information of the first audio and video data in the target display area, and output sound information of the first audio and video data to the directional sound output module such that the directional sound output module output a directional sound signal towards the target visual area.Type: GrantFiled: April 27, 2021Date of Patent: March 26, 2024Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xiaomang Zhang, Xiangjun Peng, Tiankuo Shi, Chenxi Zhao, Shuo Zhang, Yifan Hou, Yan Sun, Li Tian, Jing Liu, Wei Sun, Zhihua Ji, Yanhui Xi
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Publication number: 20240085290Abstract: The present disclosure provides a grouting and water-plugging device for a fractured rock in a mine coupling state and a test method, and relates to the technical field of rock mechanics testing. The device includes a pressurizer, a reservoir, a test box, and a grouting pump. The reservoir includes a temperature sensor and a pressing-water plate. The pressing-water plate is connected to the pressurizer through a pressurizing rod. A pressure measuring pipe and a drainage pipe are installed on an outer side of the reservoir. The reservoir is connected to a water pump through a water injection pipe. The test box includes a rock, a transverse force exerting plate, a longitudinal force exerting plate, a stress sensor and the temperature sensor. The longitudinal force exerting plate is provided with multiple water through holes. A sliding box door is hinged to a front wall of the test box. The pressure measuring pipe and the drainage pipe are installed on a rear wall of the test box.Type: ApplicationFiled: June 8, 2022Publication date: March 14, 2024Applicant: SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Weitao LIU, Haifeng WU, Xiangxi MENG, Yanhui DU, Lifu PANG, Mengke HAN, Jiyuan ZHAO
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Publication number: 20240070308Abstract: Embodiments of the present disclosure relate to a permission setting method and apparatus, a device, and a medium. The method includes: displaying a permission customization control, in response to a trigger operation on a permission setting object of task information, the permission setting object including a first information object and/or a second information object, the second information object being subordinate to the first information object; displaying a permission editing interface, in response to a trigger operation on the permission customization control, and receiving customization permission information via the permission editing interface; and displaying the customization permission information corresponding to the permission setting object. Therefore, a hierarchy structure based on the task information satisfies a setting need for content-based permission customization, and improves a permission management efficiency.Type: ApplicationFiled: October 24, 2023Publication date: February 29, 2024Inventors: Wenzong MA, Liang CHEN, Yingtao LIU, Wei REN, Qiushuo HUANG, Yuejiang YUAN, Hao HUANG, Jianhui WU, Yalong ZOU, Linghui ZHOU, Mengzhang WU, Yanhui ZHAO, Xinlei GUO
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Patent number: 11917167Abstract: The present disclosure provides an image compression method, including steps of: acquiring a human-eye fixation point on an original image, and determining a fixation region and a non-fixation region of the original image according to the human-eye fixation point; and compressing the non-fixation region, and generating a compressed image according to the fixation region and the compressed non-fixation region. The present disclosure also provides an image display method, an image compression apparatus, an image display apparatus, and a computer readable medium.Type: GrantFiled: May 8, 2021Date of Patent: February 27, 2024Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhihua Ji, Tiankuo Shi, Xiaomang Zhang, Chingwen Kung, Rui Liu, Yifan Hou, Minglei Chu, Yanhui Xi, Yan Sun, Chenxi Zhao, Xiangjun Peng, Shuo Zhang
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Patent number: 11914178Abstract: The present disclosure relates to a lighting device for automatically switching between a visible light source and an infrared light source. The lighting device may include a light source, an infrared filter, and a driving module for driving the infrared filter.Type: GrantFiled: June 16, 2021Date of Patent: February 27, 2024Assignee: ZHEJIANG DAHUA TECHNOLOGY CO., LTD.Inventors: Liyun Zheng, Hui Zhan, Yanhui Liu, Yubing Zhao
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Patent number: 11881903Abstract: A method of calibrating an antenna array in a wireless network node is disclosed, the wireless network node including a plurality of antenna branches, each of the plurality of antenna branches including a respective antenna element. The method includes repeating operations of transmitting a slice of a fountain coded sequence through the plurality of antenna branches to the respective antenna elements, and for each antenna branch of the plurality of antenna branches, selecting the transmitted slice as a feedback signal through a return path and determining a signal quality of the feedback signal, until the signal quality of the feedback signal for each antenna branch is greater than a threshold level. The method further includes performing antenna calibration based on the feedback signal for each antenna branch. Related devices, computer programs and computer program products are disclosed.Type: GrantFiled: January 30, 2020Date of Patent: January 23, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Ang Feng, Qingzhi Feng, Jichang Liao, Yanhui Zhao
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Patent number: 11736179Abstract: Various embodiments of the present disclosure provide a method for multi-antenna transmission. The method which may be performed by a communication device comprises determining first correlation information in response to interference to data on a first subset of multiple antenna branches of the communication device. The first correlation information may indicate at least correlation between the data on the first subset of the multiple antenna branches and data on a second subset of the multiple antenna branches which is not affected by interference. The method further comprises correcting the data on the first subset of the multiple antenna branches, based at least in part on the first correlation information.Type: GrantFiled: December 20, 2019Date of Patent: August 22, 2023Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Ang Feng, Zhicai Ma, Liushuan Zhou, Yanhui Zhao
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Publication number: 20230085748Abstract: A method of calibrating an antenna array in a wireless network node is disclosed, the wireless network node including a plurality of antenna branches, each of the plurality of antenna branches including a respective antenna element. The method includes repeating operations of transmitting a slice of a fountain coded sequence through the plurality of antenna branches to the respective antenna elements, and for each antenna branch of the plurality of antenna branches, selecting the transmitted slice as a feedback signal through a return path and determining a signal quality of the feedback signal, until the signal quality of the feedback signal for each antenna branch is greater than a threshold level. The method further includes performing antenna calibration based on the feedback signal for each antenna branch. Related devices, computer programs and computer program products are disclosed.Type: ApplicationFiled: January 30, 2020Publication date: March 23, 2023Inventors: Ang FENG, Qingzhi FENG, Jichang LIAO, Yanhui ZHAO
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Publication number: 20230019011Abstract: Various embodiments of the present disclosure provide a method for multi-antenna transmission. The method which may be performed by a communication device comprises determining first correlation information in response to interference to data on a first subset of multiple antenna branches of the communication device. The first correlation information may indicate at least correlation between the data on the first subset of the multiple antenna branches and data on a second subset of the multiple antenna branches which is not affected by interference. The method further comprises correcting the data on the first subset of the multiple antenna branches, based at least in part on the first correlation information.Type: ApplicationFiled: December 20, 2019Publication date: January 19, 2023Inventors: Ang Feng, Zhicai Ma, Liushuan Zhou, Yanhui Zhao
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Patent number: 11251942Abstract: Techniques for establishing a secure communication channel between a trusted portion of a system and another portion of the system and providing data over the secure communication channel are described herein. For example, a system may implement a Trusted Execution Environment (TEE) and a TEE component associated with the TEE. The TEE component may establish a secure communication channel with a Network Interface Controller (NIC) on the system, such as a smart NIC that is configured to encrypt/decrypt data and/or perform other operations. The TEE component may receive one or more cryptographic keys from a service provider and provide the one or more cryptographic keys to the NIC via the secure communication channel. The NIC may use the one or more cryptographic keys to encrypt data to send to another device, decrypt data that is received from another device, or otherwise encrypt/decrypt data.Type: GrantFiled: January 9, 2019Date of Patent: February 15, 2022Assignee: Alibaba Group Holding LimitedInventors: Xiaoning Li, Li Shen, Yanhui Zhao
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Publication number: 20210400877Abstract: A mower folding-type chassis, comprising a fixing disc and at least one rotating disc rotationally connected with the fixing disc; the fixing disc is fixedly arranged at the bottom of the mower; mowing blades are respectively arranged within the shells of the fixing disc and the rotating disc; a driving device used for driving the mowing blades to rotate is arranged in the mower; when mowing a lawn, the rotating discs can be rotated and unfolded relative to the fixing disc, thereby improving the mowing efficiency, and when the mower needs to be stored or transported, the rotating discs can be rotated and folded relative to the fixing disc, thus reducing the space occupation of the mower.Type: ApplicationFiled: January 14, 2019Publication date: December 30, 2021Inventor: Yanhui ZHAO
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Patent number: 11038852Abstract: One embodiment provides a system for establishing a secure network. During operation, a server can distribute at least one symmetric encryption key among a plurality of hosts to enable the hosts to communicate securely with each other. Each host comprises at least a smart network interface card and a central processing unit (CPU) of each host computer supports remote attestation. Distributing the symmetric encryption key among the hosts can include performing a remote attestation operation to establish a trusted channel between the server and a protected region within the CPU of a respective host; and transmitting, over the trusted channel, the symmetric encryption key to the CPU of the respective host, which in turn forwards the symmetric encryption key to the smart network interface card of the respective host over a secure channel established between the protected region within the CPU and the smart network interface card.Type: GrantFiled: February 8, 2019Date of Patent: June 15, 2021Assignee: Alibaba Group Holding LimitedInventors: Xiaoning Li, Li Shen, Yanhui Zhao
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Publication number: 20200259799Abstract: One embodiment provides a system for establishing a secure network. During operation, a server can distribute at least one symmetric encryption key among a plurality of hosts to enable the hosts to communicate securely with each other. Each host comprises at least a smart network interface card and a central processing unit (CPU) of each host computer supports remote attestation. Distributing the symmetric encryption key among the hosts can include performing a remote attestation operation to establish a trusted channel between the server and a protected region within the CPU of a respective host; and transmitting, over the trusted channel, the symmetric encryption key to the CPU of the respective host, which in turn forwards the symmetric encryption key to the smart network interface card of the respective host over a secure channel established between the protected region within the CPU and the smart network interface card.Type: ApplicationFiled: February 8, 2019Publication date: August 13, 2020Applicant: Alibaba Group Holding LimitedInventors: Xiaoning Li, Li Shen, Yanhui Zhao
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Publication number: 20200220713Abstract: Techniques for establishing a secure communication channel between a trusted portion of a system and another portion of the system and providing data over the secure communication channel are described herein. For example, a system may implement a Trusted Execution Environment (TEE) and a TEE component associated with the TEE. The TEE component may establish a secure communication channel with a Network Interface Controller (NIC) on the system, such as a smart NIC that is configured to encrypt/decrypt data and/or perform other operations. The TEE component may receive one or more cryptographic keys from a service provider and provide the one or more cryptographic keys to the NIC via the secure communication channel. The NIC may use the one or more cryptographic keys to encrypt data to send to another device, decrypt data that is received from another device, or otherwise encrypt/decrypt data.Type: ApplicationFiled: January 9, 2019Publication date: July 9, 2020Inventors: Xiaoning Li, Li Shen, Yanhui Zhao
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Patent number: 9971811Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for dynamic topology generation. One of the methods includes receiving, from a user, a query that specifies a search criterion and a post-processing function prototype. A topology definition is generated from the query that specifies one or more source nodes and at least one processing node, wherein the processing node is specified in the topology to output a stream of data objects corresponding to the data object identifiers and a post-processing node according to the post-processing function prototype, wherein the post-processing node is specified in the topology to receive a stream of data objects output by the processing node, and is specified in the topology to output one or more modified data objects. The topology definition is then provided to a real-time stream computing system for execution.Type: GrantFiled: July 10, 2017Date of Patent: May 15, 2018Assignee: Pivotal Software, Inc.Inventors: Leng Han, Yanhui Zhao, Xiong Li, Xiaoming Gao, Ye Li
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Patent number: 9886473Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for job management. One of the methods includes receiving a status report for each of a plurality of jobs from a pluggable status reporter. The jobs are executed by applications in a distributed computing system. The applications are developed in at least two different software frameworks. A job type for each job is determined. A specific status handler associated with the job type is selected to determine specified status information for the job. The specified status information is stored and associated with the job in a status database.Type: GrantFiled: November 12, 2014Date of Patent: February 6, 2018Assignee: Pivotal Software, Inc.Inventors: Yanhui Zhao, Xiaoming Gao, Leng Han, Xiong Li, Ye Li