Patents by Inventor Chao Li
Chao Li 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: 12368390Abstract: A power converter is provided. The power converter includes first to fourth switches electrically connected in series, a flying capacitor and a controller. Positive and negative terminals of the flying capacitor are electrically connected to the second and third switches respectively. The controller operates the first and fourth switches to perform a first complementary switching with a first dead time, and operates the second and third switches to perform a second complementary switching with a second dead time. The controller determines to regulate the first or second dead time by detecting a capacitor voltage of the flying capacitor, such that the capacitor voltage of the flying capacitor is maintained within a balance voltage range.Type: GrantFiled: August 10, 2023Date of Patent: July 22, 2025Assignee: Delta Electronics, Inc.Inventors: Hsin-Chih Chen, Li-Hung Wang, Chao-Li Kao, Yi-Ping Hsieh, Hung-Chieh Lin
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Patent number: 12366777Abstract: The present disclosure provides a liquid crystal grating and a driving method therefor, and a three-dimensional (3D) display device. The liquid crystal grating includes: a first substrate; a second substrate, where the second substrate and the first substrate are oppositely arranged; a liquid crystal layer, where the liquid crystal layer is located between the first substrate and the second substrate; and a first transparent grating electrode layer located at a side, facing the liquid crystal layer, of the first substrate; where the first transparent grating electrode layer includes a plurality of first strip-shaped electrodes extending in a first direction and arranged at intervals in a second direction, and each of at least part of the first strip-shaped electrodes is divided in the first direction into at least two first strip-shaped sub-electrodes arranged independently.Type: GrantFiled: April 26, 2022Date of Patent: July 22, 2025Assignees: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yonggang Zhang, Wei Zhang, Chao Li, Xipeng Wang, Jilei Gao, Xin Zhou, Benzhi Xu, Qi Liu, Liangwei Zhang, Xing Zhang
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Publication number: 20250234172Abstract: Embodiments of this application disclose a communication method and apparatus, relate to the field of communications technologies, and may be applied to an internet of vehicles, for example, V2X, LTE-V, and V2V. A first device determines, based on a location of the first device and a quality of service parameter of first data, an identity of a first zone in which the first device is located, where the first data is data sent by the first device. The first device sends indication information, where the indication information includes first information, and the first information indicates the identity of the first zone.Type: ApplicationFiled: January 17, 2025Publication date: July 17, 2025Inventors: Chao Li, Junwei Wang
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Patent number: 12360939Abstract: A data transmission method according to an I2C protocol and a transmission apparatus includes: a first transmission chip obtains I2C data from a first device, wherein the I2C data is data sent by the first device to a second device. The first transmission chip sends first feedback information to the first device, wherein the first feedback information is used to indicate whether the I2C data is successfully received. The first transmission chip forwards the I2C data to a second transmission chip corresponding to the second device. The first transmission chip receives second feedback information from the second transmission chip, and the second feedback information is used to indicate whether the I2C data is successfully received. The first transmission chip stores the second feedback information in a first storage space that is storage space of the first transmission chip.Type: GrantFiled: October 4, 2022Date of Patent: July 15, 2025Assignee: SHENZHEN YINWANG INTELLIGENT TECHNOLOGIES CO., LTD.Inventors: Pengxin Bao, Xingxin Zhang, Chao Li, Xuehuan Wang
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Publication number: 20250227862Abstract: A ceramic-like structure includes: a transparent substrate; an ink layer; and a ceramic-like film layer. The ceramic-like film layer is disposed between the transparent substrate and the ink layer, and includes a first high-refractive-index material layer, a first low-refractive-index material layer, a second high-refractive-index material layer, and a second low-refractive-index material layer that are stacked on each other. Refractive indexes of the first high-refractive-index material layer and the second high-refractive-index material layer are greater than about 2.3, and refractive indexes of the first low-refractive-index material layer and the second low-refractive-index material layer are less than about 1.6.Type: ApplicationFiled: March 25, 2025Publication date: July 10, 2025Inventors: Chao LI, Yuyang LIU, Lan MA
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Publication number: 20250226739Abstract: A circular current suppression method, a switch control device, and a power conversion system are disclosed, which convert a difference between a voltage converted from a common-mode current of several input currents of a power factor corrector and a bus-voltage difference into a reference current, convert a difference between a reference voltage and a total voltage into a total DC current, and add cosine even-numbered-harmonic components of the reference current based on the total DC current, a target current, and one of several input currents to calculate a compensation current that is converted into a voltage as one of at least one switching command output to the power factor corrector, thereby suppressing the circular current in a configuration of parallel power conversion modules.Type: ApplicationFiled: October 24, 2024Publication date: July 10, 2025Applicant: Delta Electronics, Inc.Inventors: Hsin Chih CHEN, Li Hung WANG, Yun Tsung LIU, Chao Li KAO
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Patent number: 12355764Abstract: Embodiments of this application disclose a method for generating a device fingerprint and a relevant apparatus. The method includes: obtaining a plurality of device features of a target device; obtaining, based on the plurality of device features, a target device feature group of the target device by combining different device features of the target device; querying an inventoried device fingerprint library to retrieve candidate device features of at least one candidate inventoried device mapped to the target device feature group; identifying a device similarity, to obtain a similarity between the target device and the at least one candidate inventoried device; and in response to the similarity between the target device and the at least one candidate inventoried device being greater than a similarity threshold, using a device fingerprint of the at least one candidate inventoried device as a device fingerprint of the target device.Type: GrantFiled: June 22, 2022Date of Patent: July 8, 2025Assignee: Tencent Technology (Shenzhen) Company LimitedInventors: Huiyou Hua, Wei Yuan, Chao Li, Xiang Wang, Xiaoxiang Lu
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Publication number: 20250219216Abstract: The disclosure provides a cell housing, a cell, and a high-capacity battery. The cell housing has a soluble mechanism, and an inner cavity of the cell housing is in communication with an exterior after the soluble mechanism is in contact with an electrolyte. The cell housing has a simple housing structure, such that electrolyte cavities of cells can be in communication without mechanical operation, a plurality of cells are in a uniform electrolyte system, and a performance of the battery is improved.Type: ApplicationFiled: March 28, 2023Publication date: July 3, 2025Applicant: D-AUS ENERGY STORAGE TECHNOLOGY (XI'AN) CO., LTD.Inventors: Gaofeng ZHENG, Yi LIU, Zhengjun LEI, Xiaofeng BAI, Chao LI, Kun LI
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Publication number: 20250220633Abstract: This application relates to wireless communication technologies, and provides an information transmission method and an apparatus, to improve a possibility of successful sidelink positioning and improve sidelink positioning precision. In the method, a first device indicates, to a second device by using first information, a first resource for sending a first PRS, and the first device indicates, to the second device by using second information, whether a second resource exists and/or whether a third resource exists. In this way, when the second information indicates that the second resource does not exist and/or the third resource does not exist, the second device does not need to receive or blindly detect the PRS, and when the second information indicates that the second resource exists and/or the third resource exists, the second device sends the PRS or receives the PRS on a corresponding resource, thereby improving the possibility of successful sidelink positioning.Type: ApplicationFiled: March 21, 2025Publication date: July 3, 2025Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Chao LI, Jun LI
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Patent number: 12328196Abstract: This application may be applied to Internet of Vehicles, for example, V2X, LTE-V, and V2V, or may be used in fields such as intelligent driving and intelligent Internet of Vehicles. A terminal device determines at least one piece of to-be-sent feedback information or at least one piece of to-be-received feedback information in at least one piece of candidate feedback information, where the at least one piece of candidate feedback information includes at least one piece of candidate feedback information that needs to be sent and/or at least one piece of candidate feedback information that needs to be received; and the terminal device sends the at least one piece of to-be-sent feedback information, or receives the at least one piece of to-be-received feedback information.Type: GrantFiled: January 28, 2022Date of Patent: June 10, 2025Assignee: Huawei Technologies Co., Ltd.Inventors: Lili Zhang, Xingwei Zhang, Chao Li
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Publication number: 20250175303Abstract: An apparatus and method for transmitting a sidelink positioning reference signal, the method including determining, by a first communication device, information with at least one of a frequency domain resource of a sidelink positioning reference signal or a sequence parameter of the sidelink positioning reference signal, where the information is associated with a sidelink control channel, and sending, by the first communication device, the sidelink control channel and the sidelink positioning reference signal in a slot based on the information.Type: ApplicationFiled: January 28, 2025Publication date: May 29, 2025Inventors: Chao Li, Lixia Xue, Jun Li
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Publication number: 20250157903Abstract: A packaging module and a manufacturing method therefor are provided. The packaging module includes a first packaging structure and a magnetic component. The first packaging structure includes a plastic packaging structure for encapsulating a non-magnetic component and metal connecting structures and exposing top surfaces of the metal connecting structures. The magnetic component is disposed above the first packaging structure includes terminal bond pads and a metal plating layer disposed between the metal connecting structures and the terminal bond pads. Vertical projections of the metal connecting structures and the terminal bond pads partially overlap on the horizontal plane. The metal plating layer contacts with the metal connecting structures and the terminal bond pads to form an electrical connection. The packaging module can enhance the reliability of soldering, further reduce the current impedance of the inductance, and decrease the thermal resistance from the inductance to the module output ground.Type: ApplicationFiled: November 13, 2024Publication date: May 15, 2025Applicant: Silergy Semiconductor Technology (Hangzhou) LTD.Inventors: Jian WEI, Ke DAI, Chao LI, Jiajia YAN
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Publication number: 20250156247Abstract: Embodiments of the present disclosure provide a data processing method, an electronic device, and a computer-readable storage medium. In a community division scenario, a community division algorithm is performed in parallel, through a plurality of threads and using fine-grained locks implemented based on atomic operation instructions, on a relationship network to realize community division.Type: ApplicationFiled: August 12, 2024Publication date: May 15, 2025Inventors: Yongmin HU, Jing WANG, Cheng ZHAO, Yibo LIU, Cheng CHEN, Xiaoliang CONG, Chao LI
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Publication number: 20250148761Abstract: The disclosure provides an apparatus, method, device and medium for 3D dynamic sparse convolution. The method includes: receiving an input feature map of a 3D data sample; performing input feature map partition to divide the input feature map into a plurality of disjoint input feature map groups; performing a shared 3D dynamic sparse convolution to the plurality of disjoint input feature map groups respectively to obtain a plurality of output feature maps corresponding to the plurality of disjoint input feature map groups, wherein the shared 3D dynamic sparse convolution comprises a shared 3D dynamic sparse convolutional kernel; and performing output feature map grouping to sequentially stack the plurality of output feature maps to obtain an output feature map corresponding to the input feature map. (FIG. 2).Type: ApplicationFiled: March 3, 2022Publication date: May 8, 2025Inventors: Dongqi CAI, Anbang YAO, Chao LI, Shandong WANG, Yurong CHEN
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Publication number: 20250151115Abstract: Embodiments of this application provide a resource configuration method and a device. According to this method, a first terminal device may reserve N resources based on listen before talk LBT durations corresponding to N transmission requirements. Because the LBT durations are considered, cases in which an LBT duration of a transmission requirement has not ended when a resource corresponding to the transmission requirement arrives can be reduced, so that a probability that the first terminal device can transmit data on the resource corresponding to the transmission requirement can be increased, thereby ensuring communication efficiency of the terminal device.Type: ApplicationFiled: January 13, 2025Publication date: May 8, 2025Inventors: Yun LIU, Chao LI
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Patent number: 12294323Abstract: A method for pre-positioning a rotor of an outdoor fan in a counter-rotation state before operation includes: 1) during a counter-operation state, sending, by a microprocessor, a signal to the inverter circuit to turn off all upper electronic switching tubes and turn on all lower electronic switching tubes; 2) measuring a phase current of each phase coil winding in the stator assembly; 3) calculating a back electromotive force of each phase coil winding in the stator; 4) calculating a position angle of the rotor assembly; 5) checking if the phase current of each phase coil winding is all smaller than a preset threshold current; if not, return to 1); if yes, proceed to 6); and 6) calculating a resistance torque to stop the rotor assembly based on the position angle of the rotor assembly, and then stopping the rotor assembly to achieve pre-positioning of the rotor before starting.Type: GrantFiled: July 13, 2023Date of Patent: May 6, 2025Assignee: Zhongshan Broad-Ocean Motor Co., Ltd.Inventors: Fei Yang, Min Wang, Song Luo, Chao Li
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Patent number: 12285776Abstract: Provided are a gravure coating device for preparing a large-width ultrathin metal lithium strip and the preparation method, relating to the technical field of preparation of metal lithium materials.Type: GrantFiled: August 17, 2020Date of Patent: April 29, 2025Assignee: BEIJING WELION NEW ENERGY TECHNOLOGY CO., LTD.Inventors: Wenjun Li, Yongwei Li, Baopeng Hou, Zepeng Ding, Danrong Li, Yafei He, Chao Li, Huigen Yu
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Publication number: 20250132372Abstract: A cell is provided, including a main body formed by winding electrode sheets and a separator. The main body is a flat structure with a length direction and a width direction. The first length L1 of the main body along the length direction is greater than the first width W1 of the main body along the width direction. The width direction of the main body is perpendicular to the plane where the winding direction of the main body is located. The cell has a width direction perpendicular to the plane where the winding direction of the main body is located, thereby shortening the infiltration path of the electrolyte and improving the infiltration rate and infiltration effect of the electrolyte. A prismatic battery is also provided.Type: ApplicationFiled: May 31, 2024Publication date: April 24, 2025Applicants: Microvast Power Systems Co., Ltd., Microvast, Inc.Inventors: Guoyou DENG, Xiaojie SHEN, Chao LI, Caihui SHI, Xiaohe LI
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Patent number: D1084816Type: GrantFiled: March 25, 2025Date of Patent: July 22, 2025Inventor: Chao Li
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Patent number: D1081782Type: GrantFiled: April 8, 2024Date of Patent: July 1, 2025Assignee: XIWING E-COMMERCE(ZHUHAI) CO., LTDInventors: Kaiwen Feng, Chao Li