Patents by Inventor Dan Hu
Dan Hu 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: 11957712Abstract: An application of a hydrogel in the preparation of products for the treatment of bacterial infection is disclosed. Ferrous ion was used in the antibacterial activity test of Staphylococcus aureus and showed a strong bactericidal effect, which the survival rate of Staphylococcus aureus is less than 0.001%, as well as the survival rate of methicillin-resistant Staphylococcus aureus (MRSA) was less than 0.01%. Ferrous ion hydrogel was used for the treatment of keratitis and skin wound infection. Ferrous ion hydrogel for the treatment of keratitis and skin wound infection, which can significantly reduce the risk of pulmonary MRSA infection, prevented the dissimilation of MRSA to the lung, and alleviated systemic inflammation in the body in a timely and effective manner, revealing the therapeutic potential of ferrous compounds for treatment of Staphylococcus aureus infections, including MRSA.Type: GrantFiled: April 19, 2023Date of Patent: April 16, 2024Assignee: SHAANXI UNIVERSITY OF SCIENCE & TECHNOLOGYInventors: Liangbin Hu, Haizhen Mo, Xiaohui Zhou, Hongbo Li, Dan Xu, Zhenbin Liu, Zhen Wang
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Publication number: 20240121024Abstract: Embodiments of this application disclose a method and an apparatus for determining a modulation and coding scheme MCS table. The method includes: When a discrete fourier transform spread orthogonal frequency division multiplexing DFT-s-OFDM waveform is used for transmission of a physical uplink shared channel PUSCH, a terminal device receives first information from a network device, where the first information indicates a quantity of transmission layers of the PUSCH; and determines, based on the first information, an MCS table used for transmission of the PUSCH. According to embodiments of this application, a demodulation threshold for uplink transmission of a PUSCH is reduced, reliability of transmission of the PUSCH is improved, and an uplink capacity is increased.Type: ApplicationFiled: December 19, 2023Publication date: April 11, 2024Inventors: Dan HU, XU ZHANG
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Patent number: 11956147Abstract: A data transmission method, apparatus, and device, and a computer storage medium are provided. The method includes: obtaining an application packet of a target application; transmitting the application packet to a first routing device by using a network data channel, and transmitting, by using the first routing device, the application packet to a proxy server; meanwhile, transmitting the same application packet to a second routing device by using a short-range wireless data channel different from the network data channel, and transmitting, by using the second routing device, the application packet to the proxy server. The proxy server performs, a deduplication mechanism on the application packet and transmit the application packet to an application server corresponding to the target application.Type: GrantFiled: June 24, 2021Date of Patent: April 9, 2024Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Jingjing Hao, Dan Zhang, Binhui Ning, Xiaobo Hu, Feihu Sun, Liuteng Li, Jianbo Xu, Zhenlin Huang, Shuai Ma, Guoqiang Che
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Patent number: 11933138Abstract: A sliding sleeve device has an outer cylinder, a circulation hole being provided in the wall of the outer cylinder; and an inner cylinder provided in an inner cavity of the outer cylinder. In an initial state, the inner cylinder and the outer cylinder are fixed to each other to seal the circulation hole. In a first state, the inner cylinder is movable relative to the outer cylinder, thereby unsealing the circulation hole. A protection mechanism is provided in the circulation hole, which has an inner member located on the radially inner side and an outer member located on the radially outer side.Type: GrantFiled: June 10, 2021Date of Patent: March 19, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC SOUTHWEST OIL & GAS COMPANYInventors: Zhimin Hou, Dan Hu, Qiang Wang, Yijun Zhou, Jiang Qian, Chen Chen, Tao Liu, Jianfa Ci, Wenfeng Pang, Wenjiang Teng
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Patent number: 11885201Abstract: A new sliding sleeve relates to the technical field of oil and gas well completion and reservoir stimulation, comprising an upper connector, a lower connector, an outer housing, an inner sleeve and a shear pin. The upper connector and the lower connector are respectively connected to two ends of the outer housing, and the inner sleeve is locked in the outer housing via the shear pin, wherein a flow guiding hole is provided in the outer housing, and the inner sleeve can open or close the flow guiding hole, wherein at least two grooves for engaging with at least two corresponding tooth-shaped elements on a sliding sleeve opening tool are disposed along an axial direction in the inner sleeve, and wherein an erosion-resistant ring is embedded in the groove, and an inner diameter of the erosion-resistant ring is larger than or equal to an inner diameter of the inner sleeve.Type: GrantFiled: January 13, 2017Date of Patent: January 30, 2024Assignees: China Petroleum & Chemical Corporation, Sinopec Southwest Oil & Gas CompanyInventors: Zhenwei Gan, Bin Qi, Shunqu Hu, Zhimin Hou, Yongmao Lin, Tao Liu, Chen Chen, Lei Wang, Dan Hu, Jiang Qian
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Publication number: 20240007512Abstract: A computing system includes first and second client computing devices accessing a communications network to establish a communications session. The first client computing device operates an audio analysis agent to determine network latency within the communications session based on communications with an audio analysis agent in the second client computing device. In response to the network latency exceeding a latency threshold, audio input from a user of the first client computing device is analyzed to determine a speaking status of the user. The audio analysis agent generates an indicator command message for the second client computing device based on the determined speaking status of the user. The second client computing device displays an indicator based on the indicator command message indicating when a user of the second client computing device can speak to avoid speech confliction with the user of said first client computing device.Type: ApplicationFiled: July 19, 2022Publication date: January 4, 2024Inventors: Zongpeng QIAO, Dan HU, Ke XU, Jia YIN
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Patent number: 11863492Abstract: A communications method, and apparatus are provided, to reduce a transmission latency when a plurality of HARQ-ACKs are transmitted in one time unit. The method includes: determining, in N groups of time-frequency resources based on the grouping relationship, the ith group of time-frequency resources corresponding to a first parameter related to the first DCI, receiving first DCI, and determining a first uplink channel that carries a first HARQ-ACK on a first time-frequency resource in the ith group of time-frequency resources, where the grouping relationship represents a correspondence between a first parameter and N groups of time-frequency resources, the N groups of time-frequency resources are obtained by grouping time-frequency resources in one time unit, each group of time-frequency resources corresponds to one or more first parameters, and the first parameter is related to DCI, a time-frequency resource in each group of time-frequency resources is for an uplink channel carries a HARQ-ACK.Type: GrantFiled: March 29, 2021Date of Patent: January 2, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Dan Hu, Jiafeng Shao, Lei Guan, Ruixiang Ma
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Patent number: 11841928Abstract: Techniques are disclosed for secure collaboration messaging. An example methodology implementing the techniques includes, by a computing device of a first user, receiving a notification of arrival of a message addressed to the first user from a second user and determining that the message is a secure message. The method also includes, by the computing device of the first user, associating a security tag icon to the message, the security tag icon providing an indication that the message is a secure message, and causing a display of the associated security tag icon with a displayed indication of the arrival of the message.Type: GrantFiled: February 8, 2021Date of Patent: December 12, 2023Assignee: Citrix Systems, Inc.Inventors: Zongpeng Qiao, Dan Hu
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Publication number: 20230333896Abstract: A computing device may include a memory and a processor coupled to the memory and configured to collect usage activity data across a plurality of different applications for a plurality of users, and determine different groups of users based upon cluster modeling of the usage activity data. The processor may further determine respective application priorities for the applications for each group of users based upon the usage activity data for the group of users, determine computing resource allocations for the applications of each group of users based upon the application priorities for the group of users, and run applications for the users with the computing resource allocations for the respective group of users applied thereto.Type: ApplicationFiled: May 25, 2022Publication date: October 19, 2023Inventors: WEI ZUO, DAN HU, ZHENXING LIU
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Publication number: 20230313641Abstract: A sliding sleeve device has an outer cylinder, a circulation hole being provided in the wall of the outer cylinder; and an inner cylinder provided in an inner cavity of the outer cylinder. In an initial state, the inner cylinder and the outer cylinder are fixed to each other to seal the circulation hole. In a first state, the inner cylinder is movable relative to the outer cylinder, thereby unsealing the circulation hole. A protection mechanism is provided in the circulation hole, which has an inner member located on the radially inner side and an outer member located on the radially outer side.Type: ApplicationFiled: June 10, 2021Publication date: October 5, 2023Inventors: Zhimin HOU, Dan HU, Qiang WANG, Yijun ZHOU, Jiang QIAN, Chen CHEN, Tao LIU, Jianfa CI, Wenfeng PANG, Wenjiang TENG
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Publication number: 20230308207Abstract: A method, and related apparatuses are disclosed, to provide an MCS corresponding to a lower code rate. The communication method includes: sending a first CQI number to a network device, wherein the first CQI number is determined based on a first CQI table; and receiving an MCS number in a first MCS table from the network device, wherein the first MCS table comprises an entry that is not comprised in the first CQI table, and at least one entry whose modulation scheme is 64QAM in the first CQI table, wherein a BLER corresponding to the first CQI table is 10e-5, and values obtained by multiplying code rates by 1024 in the first CQI table comprise 30 and 50.Type: ApplicationFiled: June 1, 2023Publication date: September 28, 2023Inventors: Jiafeng Shao, Lei Guan, Yongxia Lyu, Dan Hu, Xinghua Song
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Publication number: 20230276453Abstract: An uplink transmission method and a communication apparatus. A terminal device receives first indication information indicating at least two uplink carriers to effectively reduce control signaling overheads. The terminal device sends uplink transmission on the at least two uplink carriers based on the first indication information. The uplink transmission is sent on the at least two uplink carriers in response to control signaling overheads being reduced. The use of the at least two uplink carriers increases an uplink capacity.Type: ApplicationFiled: April 26, 2023Publication date: August 31, 2023Inventors: Dan HU, Xu ZHANG, Bingyu QU, Feng WANG
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Patent number: 11705981Abstract: A communication method, and related apparatuses are disclosed, to provide an MCS corresponding to a lower code rate, so as to better adapt to a requirement of a URLLC service. The communication method includes: determining N MCS indexes in an MCS table, where a value that is obtained by multiplying a code rate by 1024 and that corresponds to an MCS index X in the N MCS indexes is less than or equal to a first threshold, where X is an integer greater than or equal to 0, N is a positive integer, and N is greater than or equal to X; and sending at least one of the N MCS indexes.Type: GrantFiled: July 17, 2020Date of Patent: July 18, 2023Assignee: Huawei Technologies Co., Ltd.Inventors: Jiafeng Shao, Lei Guan, Yongxia Lyu, Dan Hu, Xinghua Song
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Publication number: 20230171704Abstract: Embodiments of this application provide a communication method and an apparatus, to resolve a problem of how to determine uplink transmit power when there is no uplink carrier corresponding to a downlink carrier. The method includes: A terminal device obtains first information, where the first information is a path loss value or a power offset value of a first uplink carrier, and the first information is used to determine first transmit power of first uplink transmission on the first uplink carrier. The terminal device uses to send the first uplink transmission on the first uplink carrier.Type: ApplicationFiled: January 30, 2023Publication date: June 1, 2023Inventors: Dan HU, Xu ZHANG, Bingyu QU, Yi LONG, Feng WANG
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Publication number: 20230139213Abstract: A computing device may include a memory and a processor coupled to the memory and configured to provide access to a computing session for a user through a user interface, and cooperate with a digital camera to detect activity other than that of the user in a field of view. Responsive to the detection, the processor may further block input of data to the user interface and permit viewing of the user interface. Responsive to an attempt to input data via the user interface, the processor may continue to block input of data and obstruct viewing of the user interface.Type: ApplicationFiled: December 8, 2021Publication date: May 4, 2023Inventors: ZONGPENG QIAO, KE XU, DAN HU, ZE CHEN
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Patent number: 11616658Abstract: A transcript of a conference (e.g., a video conference, an audio conference, or a telephone call with two or more participants) is processed to extract a conference summary. A graphical user interface is presented that enables a user to edit highlighting to select portions of a conference recording for inclusion in the conference summary. The user can edit highlighting on strings of a transcript and/or on a playback slide bar and the highlighting edits are propagated to both of these interfaces. Video clips selected for inclusion in a summary based on timestamps of strings in a transcript may be extended forward in time to incorporate a nearest I-frame of video. The short video or audio summary may be presented to users along with a text summary of the conference to enable efficient storage and transmission of information from the conference within a unified communications system.Type: GrantFiled: April 30, 2021Date of Patent: March 28, 2023Assignee: Zoom Video Communications, Inc.Inventors: Dan Hu, Hao Huang, Tao Huang, Dingping Jiang, Shuo Luo, Juhua Ma, Chuan Qin, Xiaoli Song, Facheng Wang, Hongjuan Wang, Hui Wen, Melinda Min Xiao-Devins, Qingquan Xie, Ran Yan, Fangyi Zhao
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Publication number: 20230062357Abstract: Methods and systems for determining and reacting to trust relationships in a messaging group are described herein. A computing device may detect text associated with a messaging group comprising a plurality of different users. The computing device may process the text to determine at least one topic, then generate a trust graph comprising a plurality of connections between a user and each of the plurality of different users. Each of the plurality of connections may indicate a degree of trust corresponding to the at least one topic. The computing device may determine, based on the trust graph, that a first degree of trust, associated with at least one of the plurality of different users, satisfies a threshold. The computing device may cause output of a notification comprising an identity of the at least one of the plurality of different users.Type: ApplicationFiled: September 23, 2021Publication date: March 2, 2023Inventors: Dan Hu, Zongpeng Qiao, Ke Xu
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Publication number: 20230049911Abstract: A method for transmitting automatic repeat request acknowledgement feedback information supporting a multicast service and an apparatus are provided. The method includes: receiving N pieces of first downlink control information (DCI) and M pieces of second DCI in at least one first time unit, where the first DCI is a first-type DCI, the second DCI is a second-type DCI. Each piece of first DCI includes a first downlink assignment index (DAI), and the first DAI includes a first counter downlink assignment index (C-DAI) that indicates an accumulative quantity of pieces of first-type DCI for scheduling transmission of a downlink data channel. Each piece of second DCI includes a second DAI, and the second DAI includes a second C-DAI that indicates an accumulative quantity of pieces of second-type DCI for scheduling transmission of a downlink data channel.Type: ApplicationFiled: October 31, 2022Publication date: February 16, 2023Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Dan Hu, Lei Guan, Shengyu Li
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Publication number: 20230047985Abstract: A terminal device receives first indication information indicating first precoding information and second precoding information. The terminal device determines a first group of power control parameters corresponding to the first precoding information and determines a second group of power control parameters corresponding to the second precoding information. The terminal device determines first transmit power based on the first group of power control parameters and sends a first PUSCH repetition based on the first transmit power and the first precoding information, and determines second transmit power based on the second group of power control parameters and sends a second PUSCH repetition based on the second transmit power and the second precoding information.Type: ApplicationFiled: October 28, 2022Publication date: February 16, 2023Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Dan Hu, Lei Guan
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Publication number: 20230031559Abstract: This application provides a data transmission method and apparatus. The method includes: A network device sends DCI on at least two PDCCH candidates; and correspondingly, a terminal device performs blind detection on the at least two PDCCH candidates, where the DCI is used to schedule a physical shared channel, the at least two PDCCH candidates are associated with different CORESETs, and an association relationship exists between the at least two PDCCH candidates. The terminal device determines the downlink control information DCI based on a result of blind detection performed on the at least two PDCCH candidates, and the network device sends or receives the physical shared channel based on the DCI; and correspondingly, the terminal device receives or sends the physical shared channel based on the DCI.Type: ApplicationFiled: September 30, 2022Publication date: February 2, 2023Inventors: Xianda Liu, Dan Hu