Patents by Inventor Yunfeng Liu
Yunfeng Liu 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: 20240195440Abstract: This application discloses a communication method and a communication apparatus. The method includes: A terminal device receives first indication information from a network device, where the first indication information indicates a first time interval. The first time interval is an interval between an end time point of a first signal and a start time point of a second signal. The terminal device receives or sends the second signal at least after the first time interval elapses after the first signal. The first signal and the second signal are sent in a same BWP. A first filter parameter corresponding to the first signal is different from a second filter parameter corresponding to the second signal. The first time interval is related to switching duration of the terminal device.Type: ApplicationFiled: February 26, 2024Publication date: June 13, 2024Inventors: Yunfeng LIU, Zhiheng GUO, Ruixiang MA, Xinqian XIE, Xinghua SONG
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Publication number: 20240173945Abstract: The present disclosure provides an article. In an embodiment, the article includes (A) a top layer composed of a composition composed of (i) from 51 wt % to 90 wt % of a propylene-based polymer, and (ii) from 10 wt % to 49 wt % of an ethylene/octene multi-block copolymer having hard segments and soft segments. The ethylene/octene multi-block copolymer has a soft segment melt temperature (SS-Tm) less than 2° C. The article also includes (B) a bottom layer composed of a textile.Type: ApplicationFiled: April 9, 2021Publication date: May 30, 2024Inventors: Yunfeng Yang, Xuejun Liu, Lisa S. Madenjian, Stacy L. Pesek, Jinliang Yan, Jeffrey C. Munro
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Publication number: 20240145426Abstract: A bonding structure and a power device. The bonding structure includes a first power unit and at least two bonding wires. At least one end of the bonding wire is connected to the first power unit through bonding. Projections that are of lead paths of the at least two bonding wires and that are on a preset plane have at least one intersection point. Spatial cross wire bonding is performed on the bonding wires, so that lead paths of the bonding wires form an angle with each other, thereby weakening electromagnetic force between the bonding wires. Therefore, fatigue due to fluctuating stress of the bonding wires can be alleviated, service lives of the bonding wires can be prolonged, and bonding effect can be ensured to a maximum extent.Type: ApplicationFiled: October 18, 2023Publication date: May 2, 2024Applicant: Huawei Digital Power Technologies Co., Ltd.Inventors: Fenglong LU, Dong CHEN, Lei SHI, Yunyu TANG, Yunfeng LIU
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Patent number: 11961923Abstract: A solar cell is provided, including a front electrode, a functional layer, and a back electrode. The front electrode is an electrode on a side of an illuminated surface. The front electrode includes a high-conductivity region and a low-conductivity region that are adjacent to each other, or the back electrode includes a high-conductivity region and a low-conductivity region that are adjacent to each other. The front electrode and/or the back electrode may be designed to be separated by region, and conductivity of one conductive region is designed to be higher than conductivity of the other conductive region. According to the application, a film rectangular resistance loss caused by large-scale non-uniform lateral transfer of a photocurrent is avoided, thereby improving photoelectric conversion efficiency of the cell, and improving the cell comprehensive performance by flexibly selecting materials based on different requirements of different regions in different application scenarios.Type: GrantFiled: April 20, 2022Date of Patent: April 16, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Shuo Wang, Kai Xin, Yunfeng Liu
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Publication number: 20240114489Abstract: This application discloses a CLI measurement method and a communication apparatus. The method includes: A terminal device receives resource configuration information from a network device, where the resource configuration information indicates a resource for performing CLI measurement by the terminal device; and when a specific condition is met, the terminal device cancels CLI measurement on at least one symbol including the resource for performing CLI measurement. In this application, an occasion at which the terminal device cancels CLI measurement is specified, to avoid a communication exception caused when a symbol in which the resource for performing CLI measurement by the terminal device is located conflicts with a symbol in which a resource used for another purpose is located.Type: ApplicationFiled: December 7, 2023Publication date: April 4, 2024Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yunfeng LIU, Zhiheng GUO, Xinqian XIE
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Publication number: 20240096729Abstract: A packaged device includes a circuit board, an electronic component, and a heat storage portion. The electronic component is electrically coupled to the circuit board; and the heat storage portion is disposed on the circuit board or embedded in the circuit board, and the heat storage portion is adjacent to the electronic component, where a specific heat capacity of the heat storage portion is higher than a specific heat capacity of the circuit board, and the heat storage portion is configured to store and release heat. A heat storage material with a relatively high specific heat capacity is introduced into the packaged device, and the heat storage portion is disposed on the circuit board around the electronic component where a large amount of heat generated by the electronic component in a short time can be quickly stored in the heat storage portion and then released to the outside.Type: ApplicationFiled: September 15, 2023Publication date: March 21, 2024Inventors: Dong Chen, Fenglong Lu, Yunyu Tang, Lei Shi, Yunfeng Liu, Shuyi Lv, Pengcheng Zhang
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Publication number: 20240088785Abstract: The embodiments provide an RSCC and a control method thereof. The RSCC includes an input capacitor, an output capacitor, N parallel RSC branches, and a controller. The controller is configured to: determine an average value of characteristic currents of N resonance units; and reduce a duty cycle of a control signal of a charging switch in a first switch unit when determining that a characteristic current of a first resonance unit is greater than the average value, where a corresponding branch is in a charging stage when the charging switch is turned on; or reduce a duty cycle of a control signal of a discharging switch in a first switch unit when determining that a characteristic current of a first resonance unit is less than the average value, where a corresponding branch is in a discharging stage when the discharging switch is turned on.Type: ApplicationFiled: November 22, 2023Publication date: March 14, 2024Applicant: Huawei Digital Power Technologies Co., Ltd.Inventors: Xinyu YU, Yunfeng LIU, Kai XIN, Fuqiang XU
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ELECTROMAGNETIC HEATING DEVICE, NOISE SUPPRESSION METHOD, HEATING CONTROL SYSTEM, AND STORAGE MEDIUM
Publication number: 20240074007Abstract: Provided are an electromagnetic heating device, a noise suppression method, a heating control system, and a storage medium, which relate to the field of electromagnetic heating technologies. The noise suppression method includes: in response to determining that any two adjacent heating modules of the electromagnetic heating device operate successively, obtaining a start operating frequency of the last-started heating module of the two adjacent heating modules; and adjusting an operating frequency of the first-started heating module of the two adjacent heating modules based on the start operating frequency of the last-started heating module, to allow the two adjacent heating modules to operate synchronously at a same operating frequency when the last-started heating module starts operating.Type: ApplicationFiled: December 24, 2021Publication date: February 29, 2024Inventors: Jun LEI, Lutian ZENG, Chengbin ZHU, Yunfeng WANG, Deyong JIANG, Wenhua LIU, Liang ZHENG -
Publication number: 20240072985Abstract: A terminal device receives first information from a network device, wherein the first information indicates a plurality of activated serving cells configured by the network device for the terminal device. The plurality of activated serving cells are located in at least two different frequency bands. The terminal device determines, among the plurality of activated serving cells, a reference cell in each of the at least two frequency bands corresponding to the plurality of activated serving cells. The terminal device determines a transmission direction of the terminal device in each of the plurality of activated serving cells. In the frequency band, transmission directions of the terminal device in the reference cell and another cell are the same, and the another cell is an activated serving cell other than the reference cell in the frequency band.Type: ApplicationFiled: November 8, 2023Publication date: February 29, 2024Inventors: Yunfeng LIU, Zhiheng GUO, Xinqian XIE
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Patent number: 11897300Abstract: This application provides a vehicle and a control method for a vehicle suspension. The vehicle includes a first component, a second component, and a vehicle suspension. The vehicle suspension is located between the first component and the second component. The first component is a component that the vehicle suspension bears, the second component is configured to bear the vehicle suspension and the first component, and the vehicle suspension includes a variable damper connected between the first component and the second component. The variable damper is configured to provide a first force to the first component based on a first acceleration of the first component, to control a displacement of the first component relative to the second component in a height direction of the vehicle. In the embodiments of this application, bumps in a driving process of the vehicle can be effectively reduced, so that vehicle ride comfort is improved.Type: GrantFiled: December 15, 2021Date of Patent: February 13, 2024Assignee: HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.Inventors: Fangcheng Liu, Kai Xin, Yunfeng Liu
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Publication number: 20240047973Abstract: This application describes examples of a direct current combiner box, a photovoltaic power generation system, and a fault detection method. In one example, the direct current combiner box includes a fault detection unit, a protection circuit, and a boost circuit. The fault detection unit detects an operating parameter of the direct current combiner box. The protection circuit sends a protection signal to the boost circuit when the operating parameter meets a specified condition. The protection signal is used to enable the boost circuit to adjust a first voltage of a photovoltaic array at an input end of the direct current combiner box to a second voltage. After receiving the protection signal, the boost circuit adjusts the first voltage of the photovoltaic array at the input end of the direct current combiner box to the second voltage.Type: ApplicationFiled: October 18, 2023Publication date: February 8, 2024Inventors: Dong CHEN, Yongbing GAO, Yunfeng LIU
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Publication number: 20240014968Abstract: A transmission method includes receiving first information from a first network device, receiving second information from the first network device, and transmitting the first data to the first network device based on the first information and the second information. The first information is useable by the terminal device to divide first data into at least two data blocks. The first data is to-be-transmitted data between the first network device and the terminal device. A quantity of slots occupied by the first data is greater than 1. Each data block of the at least two data blocks is mapped to a different corresponding time-domain position. The second information is useable to indicate at least two modulation and coding schemes (MCSs) useable for transmitting the at least two data blocks, and the at least two MCSs are different from one another.Type: ApplicationFiled: August 2, 2023Publication date: January 11, 2024Inventors: Jian YU, Yunfeng LIU, Yawei YU, Zhiheng GUO
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Publication number: 20230365498Abstract: The present invention relates to an anisomycin derivative represented by general formula (I) or pharmaceutically acceptable salts, solvates and stereoisomers thereof. According to the present invention, it is found that anisomycin and derivatives thereof have the effect of promoting insulin secretion under high blood sugar concentrations, and can treat diabetes and prevent the occurrence of hypoglycemia. It is found, by studying its mechanism of action, that the anisomycin derivative is highly related to GLP-1R, indicating that the anisomycin derivative is a small molecule GLP-1R agonist, which can effectively treat a variety of GLP-1R-mediated diseases including obesity and diabetes, and has good commercial application prospects and scientific research value.Type: ApplicationFiled: July 24, 2023Publication date: November 16, 2023Inventors: Yi ZHANG, Huan XUE, Min ZHANG, ZhiHong LU, Linping ZHI, Zhitong WEN, Lijuan CUI, Tao BAI, Yunfeng LIU
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Publication number: 20230327543Abstract: A backfeed soft-start circuit for a photovoltaic inverter is provided. The backfeed soft-start circuit includes a plurality of branch switches. A solar photovoltaic array includes a plurality of photovoltaic modules, where the plurality of branch switches are in a one-to-one correspondence with the plurality of photovoltaic modules, and when the plurality of branch switches are turned on, the corresponding photovoltaic modules are connected to the backfeed soft-start circuit; and a primary switching switch. The branch switches is connected to a corresponding photovoltaic module, and the primary switching switch. The primary switching switch is turned on after the branch switch is turned on.Type: ApplicationFiled: April 21, 2023Publication date: October 12, 2023Inventors: Zhen Cao, Lei Shi, Yunfeng Liu, Feng Chong, Hualong Fan, Jiajia He, Shaopan Hou, Jie Zhang
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Patent number: 11693062Abstract: A method for processing a direct current electric arc and an apparatus, includes: obtaining a first current which is a direct current input current of a direct current cable of a photovoltaic cell system; obtaining a second current, where the second current is a direct current common mode current of a direct current cable or an alternating current common mode current of an alternating current cable; calculating a correlation coefficient between a frequency domain component of the first current and a frequency domain component of the second current; and when determining that the first current meets an electric arc occurrence condition and the correlation coefficient is greater than or equal to a preset coefficient threshold, skipping sending a direct current electric arc fault alarm. The correlation coefficient is used to reflect a proportion of common mode noise generated by the second current, and the preset coefficient threshold is set.Type: GrantFiled: June 26, 2020Date of Patent: July 4, 2023Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Fangcheng Liu, Kai Xin, Yunfeng Liu
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Patent number: 11689026Abstract: A photovoltaic power system includes a DC/AC inverter circuit, N DC/DC converter circuits that are located at a previous stage of the DC/AC inverter circuit and that are respectively connected to photovoltaic strings, and a controller connected to the DC/AC inverter circuit and the N DC/DC converter circuits. The controller is configured to: perform MPPT control on n DC/DC converter circuits, and perform CPG control on (N?n) DC/DC converter circuits. In the two control manners, a fast and accurate power reserve or limit of a photovoltaic string inverter with any illumination intensity and ambient temperature can be implemented, and fluctuation of a DC bus voltage and AC output power of the photovoltaic string inverter can be eliminated. Control on a virtual synchronous generator of the photovoltaic string inverter is implemented, and a lifespan of the photovoltaic string inverter is prolonged, without a need to add an energy storage element.Type: GrantFiled: April 7, 2022Date of Patent: June 27, 2023Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Rongliang Shi, Kai Xin, Yunfeng Liu
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Publication number: 20230179106Abstract: A bidirectional direct current converter includes a controller that controls a switching transistor in the bidirectional direct current converter to reduce an inductance of an inductor, thereby reducing a size and costs of the inductor, and further reducing a size and costs of the entire bidirectional direct current converter. The bidirectional direct current converter further includes a first switching transistor, a second switching transistor, a third switching transistor, a fourth switching transistor, and a capacitor. The controller is coupled to the first switching transistor, the second switching transistor, the third switching transistor, and the fourth switching transistor. The controller performs complementary control on the first switching transistor and the third switching transistor, and performs complementary control on the second switching transistor and the fourth switching transistor.Type: ApplicationFiled: December 8, 2022Publication date: June 8, 2023Inventors: Jun Wang, Lei Shi, Yunfeng Liu, Zhaohui Wang
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Patent number: 11670015Abstract: Embodiments of the present disclosure provide a method and apparatus for generating a video. The method may include: acquiring a cartoon face image sequence of a target cartoon character from a received cartoon-style video, and generating a cartoon face contour figure sequence based on the cartoon face image sequence; generating a face image sequence for a real face based on the cartoon face contour figure sequence and a received initial face image of the real face, a face expression in the face image sequence matching a face expression in the cartoon face image sequence; generating a cartoon-style face image sequence for the real face according to the face image sequence; and replacing a face image of the target cartoon character in the cartoon-style video with a cartoon-style face image in a cartoon-style face image sequence, to generate a cartoon-style video corresponding to the real face.Type: GrantFiled: December 4, 2020Date of Patent: June 6, 2023Assignee: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.Inventors: Yunfeng Liu, Chao Wang, Yuanhang Li, Ting Yun, Guoqing Chen
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Publication number: 20230155499Abstract: A three-level boost converter and a control method. The three level flying-capacitor boost converter includes: an inductor, a flying capacitor, a controller, a first switching transistor and a second switching transistor as primary power transistors. When a voltage of the flying capacitor is less than or equal to a half of a bus voltage, a first driving signal is sent to the first switching transistor, and a second driving signal is sent to the second switching transistor; or when a voltage of the flying capacitor is greater than a half of a bus voltage, a first driving signal is sent to the second switching transistor, and a second driving signal is sent to the first switching transistor. The bus voltage is an output voltage Vo of the three-level boost converter.Type: ApplicationFiled: January 19, 2023Publication date: May 18, 2023Applicant: Huawei Digital Power Technologies Co., Ltd.Inventors: Jun WANG, Lei SHI, Yunfeng LIU, Zhaohui WANG
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Patent number: 11644974Abstract: A time-sharing wave recording method is provided. Firstly, N1 operating variables are selected, and the storage addresses of the N1 operating variables are mapped to N1 index variables. Then, N2 record channels in a sequential relationship are provided, and a mapping relationship between each record channel and the N1 index variables is established. Then, the values of the operating variables are assigned to a first record channel of the N2 record channels in response to a rising edge of a pulse of a clock signal and a start triggering signal, the values of the operating variables are sequentially assigned to the rest of the N2 record channels in response to a rising edge of each pulse of the clock signal and the start triggering signal, and the assigned values of the operating variables for the N2 record channels are recorded to the memory.Type: GrantFiled: October 16, 2019Date of Patent: May 9, 2023Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.Inventors: Guojin Xu, Guoqiao Shen, Yunfeng Liu, Qingsong Tao, Changliang Liu, Jinfa Zhang