Patents by Inventor Keqiang Li
Keqiang 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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Publication number: 20250016493Abstract: The present disclosure provides a noise reducing TWS earphone with multi-speakers including an earphone body and an earbud; where, an interior of the earphone body is provided with a planar speaker responsible for an intermediate frequency sound and a high frequency sound and a moving-coil speaker responsible for the intermediate frequency sound and a low frequency sound, an interior of the earbud is provided with a moving ironloud-speaker; a center of the planar speaker and a center of the moving-coil speaker are on the same central axis. The design of the present disclosure has reached the international Hires standard and realized an ultra-high bandwidth sound. With an AI adaptive noise reducing design, the sound performance has a stronger integrity, it can better reflect the depth of the sound and generally improve a full audio frequency performance of the earphone, and people can enjoy best sound in various noisy environments.Type: ApplicationFiled: August 8, 2023Publication date: January 9, 2025Inventors: KEQIANG LI, HUA LI
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Publication number: 20250016494Abstract: The present disclosure provides a headset earphone for reducing noise including an earphone body, where an interior of the earphone body is provided with a first moving-coil speaker responsible for an intermediate frequency sound and a low frequency sound, and a planar speaker or a second moving-coil speaker responsible for the intermediate frequency sound and a high frequency sound; a center of the first moving-coil speaker and a center of the planar speaker or the second moving-coil speaker are on the same central axis; the headset earphone of the present disclosure is arranged in a coaxial manner. Thus, the sound performance has a stronger integrity, it can better reflect the depth of the sound and generally improve a full audio performance of the earphone, and thereby meeting the Sony high-definition audio Hires standard.Type: ApplicationFiled: August 8, 2023Publication date: January 9, 2025Inventors: KEQIANG LI, YONGXIANG ZOU
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Publication number: 20250001666Abstract: A film preparation apparatus includes a single-screw machine and an extrusion die. The single-screw machine is configured for conveying and extruding an active material mixture, and the extrusion die is connected with a discharge end of the single-screw machine and configured for extruding out an active material film. A screw of the single-screw machine includes a compression section, an axial length of the compression section is L1, an axial length of the screw is L, and 0.45?L1/L?0.65.Type: ApplicationFiled: September 13, 2024Publication date: January 2, 2025Inventors: Lei LU, Linzhen YU, Zheng WANG, Shisong LI, Shengwu ZHANG, Keqiang LI, Kaiming DENG
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Publication number: 20240421280Abstract: A coating device for applying a coating to a member to be coated includes: a roller assembly including a first spool and second spool that are spaced apart, wherein the first spool is configured to release the member to be coated that is to be coated, and the second spool is configured to roll up the member to be coated after being coated with a coating; a coating assembly including an electrostatic roller set and an electrostatic rod, wherein the electrostatic roller set is at least partially rotatable and is configured to electrostatically adsorb the powder, the electrostatic rod is configured to provide electrostatic adsorption force to the powder on the electrostatic roller set; a composite assembly provided at downstream position of the coating assembly, and configured to connect the powder laid on the member to be coated with the member to be coated.Type: ApplicationFiled: August 29, 2024Publication date: December 19, 2024Inventors: Yongli ZHANG, Zhihua WEN, Keqiang LI
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Publication number: 20240390936Abstract: A feeding apparatus and a substrate processing device are provided. The feeding apparatus includes: a material conveying channel including a feeding inlet and a discharging outlet, where the feeding inlet is closer to a first end of the material conveying channel than the discharging outlet, and the discharging outlet is closer to a second end of the material conveying channel than the feeding inlet, the first end and the second end being two opposite ends of the material conveying channel; and a vibration generator disposed at the material conveying channel and configured to generate mechanical vibration to induce the mechanical vibration of the feeding apparatus, and a material entering the material conveying channel through the feeding inlet is conveyed to the discharging outlet under the action of the mechanical vibration and falls out through the discharging outlet under the action of gravity.Type: ApplicationFiled: August 6, 2024Publication date: November 28, 2024Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Yongqiang XU, Junna SHI, Yu CHEN, Keqiang LI, Zhiyang WU, Weifeng CHEN, Jiabao TANG
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Publication number: 20240391124Abstract: A cutting apparatus includes: a pair of cutting blades; a drive mechanism configured to drive the pair of cutting blades to close or open with respect to each other in a first direction; and a gap adjustment mechanism configured to drive at least one of the pair of cutting blades to move along a second direction before the drive mechanism drives the pair of cutting blades to open, so as to enlarge a movement gap between the pair of cutting blades; where the first direction intersects with the second direction.Type: ApplicationFiled: August 6, 2024Publication date: November 28, 2024Inventors: Zhihua WEN, Yitai GUO, Keqiang LI, Cong ZHANG, Yunru SHI, Zhongdi WANG
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Patent number: 12131430Abstract: The embodiments provide a method of augmenting environmental scenes and an autonomous vehicle testing system.Type: GrantFiled: February 14, 2023Date of Patent: October 29, 2024Assignee: TSINGHUA UNIVERSITYInventors: Shaobing Xu, Shangyi Li, Shuocheng Yang, Jianqiang Wang, Shengbo Li, Bo Cheng, Keqiang Li
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Publication number: 20240356044Abstract: The present application provides a composite current collector, including: an organic support layer having an air permeability greater than or equal to 50 s/100 mL; and an electrically conductive layer arranged on one surface of the organic support layer. In this way, the organic support layer can also be used as a separator, thereby increasing the volumetric energy density of a secondary battery using the composite current collector.Type: ApplicationFiled: December 11, 2023Publication date: October 24, 2024Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Zhiyang WU, Mingjian LIU, Keqiang LI, Bin XIE
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Publication number: 20240327972Abstract: Provided are a coating apparatus that can form a high-accuracy pattern coating on a base film, thereby improving the performance of components including the base film (such as current collectors). The coating apparatus includes: a coating-resistance pattern unit configured to form a pattern composed of a coating-resistance substance on a partial area of the surface of a base film, where the coating-resistance substance is used to restrict metal vapor from forming a coating; and a coating unit configured to apply the metal vapor to the base film with the pattern, so as to form a metal coating on the area of the surface of the base film where the coating-resistance substance is not provided.Type: ApplicationFiled: June 6, 2024Publication date: October 3, 2024Inventors: Keqiang Li, Xiaosong Liu, Zhiyang Wu, Yi Lu
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Patent number: 12104267Abstract: This application relates to a filtering mechanism and a device for producing a conductive material, where the filtering mechanism includes a filtering body, a cover, and a supporting member. The filtering body includes an accommodating cavity for accommodating an electroplating material and an opening provided on the filtering body; the cover is configured to cover the opening and connect to the filtering body to enclose the electroplating material in the filtering body; and the supporting member is provided on the cover to enhance connection strength between the cover and the filtering body.Type: GrantFiled: October 13, 2022Date of Patent: October 1, 2024Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Yi Lu, Xiaosong Liu, Keqiang Li
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Publication number: 20240309515Abstract: Provided an etching device that is capable of effectively realizing an opening structure with low cost and simplified process. The etching device includes: a porous roller, the porous roller being a hollow structure with openings at both ends, an etching liquid being accommodated in the hollow structure, and the porous roller being provided with a plurality of openings; a pressing roller, attached to the porous roller and arranged above the liquid level of the etching liquid, for pressing and attaching a metal layer to be etched onto the surface of the porous roller; wherein during rotation of the porous roller, the etching liquid passes through at least part of the openings of the plurality of openings and continuously soaks the metal layer in contact with the at least part of the openings, so as to continuously etch the metal layer in contact with the at least part of the openings.Type: ApplicationFiled: May 29, 2024Publication date: September 19, 2024Inventors: Keqiang Li, Xiaosong Liu, Zhiyang Wu, Yi Lu
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Patent number: 12091015Abstract: The present application provides a method and device for merging a vehicle from a branch road into a main road, an electronic device, and a storage medium, which relates to a technical field of unmanned driving. The method for merging the vehicle from the branch road into the main road includes: acquiring vehicle information of the vehicle to be merged from the branch road into the main road; acquiring traffic flow information of an outer lane of the main road within a preset range of a junction; controlling the vehicle to be merged into the main road to merge into the main road according to the preset rules based on the traffic flow information of the outer lane of the main road and the vehicle information of the vehicle to be merged into the main road.Type: GrantFiled: May 27, 2021Date of Patent: September 17, 2024Assignee: CHINA INTELLIGENT AND CONNECTED VEHICLES (BEIJING) RESEARCH INSTITUTE CO., LTD.Inventors: Keqiang Li, Wenbo Chu, Qiuchi Xiong, Qiqige Wuniri, Guanfu Huang, Dalong Fang, Xiaoping Du
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Patent number: 12073715Abstract: The present application discloses an edge cloud system, a server, and a cloud control platform. The edge cloud system includes: an edge cloud access gateway module configured to access data of the road side terminal, the vehicle terminal, the third party platform and the regional cloud; a standardized hierarchical sharing interface module connected to the edge cloud access gateway module, wherein the standardized hierarchical sharing interface module is configured to standardize and classify the data of the road side terminal, the vehicle terminal, the third party platform and the regional cloud accessed by the edge cloud access gateway module to form multiple levels of standardized data; wherein standardized data at each level of the multiple levels of standardized data is available to be called only by a module with corresponding level of that of the standardized data.Type: GrantFiled: May 27, 2021Date of Patent: August 27, 2024Assignees: CHINA INTELLECTUAL AND CONNECTED VEHICLES (BEIJING) RESEARCH INSTITUTE CO., LTD., Tsinghua UniversityInventors: Wenbo Chu, Keqiang Li, Xiaoping Du, Qiqige Wuniri, Bin Liu, Dongxin Lv
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Publication number: 20240282975Abstract: A device for preparing a current collector assembly includes: a first feeding apparatus configured to provide a transfer film, the transfer film having a base layer and a metal layer formed thereon; a second feeding apparatus configured to provide a bottom film, the bottom film having a first surface and a second surface opposite to the first surface; a coating apparatus configured to applying an adhesive on the first surface to obtain a base film; and a transfer apparatus configured to transfer the metal layer to the base film to obtain the current collector assembly.Type: ApplicationFiled: April 17, 2024Publication date: August 22, 2024Inventors: Keqiang LI, Xiaosong LIU, Zhiyang WU, Yi LU
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Publication number: 20240272562Abstract: A substrate treatment apparatus, comprising: a coating device configured to coat a substrate, which is conveyed at a first speed in a feeding direction, with a material; a drying device configured to receive the substrate, which is coated by means of the coating device, at the first speed and dry the material; an exposure device configured to receive the substrate, which is dried by means of the drying device, at the first speed and continuously convey a mask at the first speed in the feeding direction, the mask being used for regional shading during exposure of the material by means of the exposure device; and an etching device configured to receive the substrate, which is exposed by means of the exposure device, at the first speed and etch the material and a portion of the substrate in an unexposed region of the substrate.Type: ApplicationFiled: April 24, 2024Publication date: August 15, 2024Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Xiaosong LIU, Keqiang LI, Zhiyang WU, Yi LU
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Patent number: 12060240Abstract: Provided are a roller assembly, a battery cell manufacturing device, and an adjustment method of a roller, which relates to the field of battery manufacturing technology. The roller assembly includes a holder, a roller, and a first adjusting member. The roller is rotatably mounted on the holder. The first adjusting member is rotatably mounted on the holder, and one end of the roller is rotatably connected to the first adjusting member. A rotation axis of the roller does not coincide with a rotation axis of the first adjusting member. One end of the roller is rotatably mounted on the holder through the first adjusting member. The rotation axis of the first adjusting member does not coincide with the rotation axis of the roller, and therefore, rotation of the first adjusting member is capable of driving a corresponding end of the roller to rotate, thereby adjusting an extension direction of the roller.Type: GrantFiled: July 28, 2023Date of Patent: August 13, 2024Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Yongli Zhang, Jun Hu, Gang Zeng, Keqiang Li, Ruhu Liao, Zhihua Wen
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Publication number: 20240264541Abstract: An exposure apparatus includes a conveying mechanism and an exposure mechanism. The conveying mechanism is configured to convey a substrate, a surface of the substrate being coated with photoresist. The exposure mechanism includes an exposure source and an exposure member. The exposure source is configured to provide light to the substrate. The exposure member includes an exposure section opposite the substrate, where the exposure section is located between the exposure source and the substrate and disposed in close proximity to the substrate, the exposure section has a light-transmitting portion that allows light to be incident on the substrate and a light-shielding portion that prevents light from being incident on the substrate, and the exposure section is configured to keep the light-transmitting portion and the light-shielding portion in synchronized movement with the substrate.Type: ApplicationFiled: March 21, 2024Publication date: August 8, 2024Inventors: Xiaosong LIU, Keqiang LI, Zhiyang WU, Yi LU
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Publication number: 20240243245Abstract: An electrode plate forming apparatus includes an unwinding device, a lithium replenishment device, a plurality of winding devices and a protection device. The lithium replenishment device is configured to clad a lithium strip to a surface of a master electrode plate body and form a master electrode plate. A slitting device is configured to slit the master electrode plate into a plurality of electrode plates. The winding devices are configured to pull the electrode plates to travel, each of the winding devices winding one corresponding electrode plate. The slitting device is disposed in an accommodating cavity of the protection device. The protection device is configured to at least partially separate particles from an external environment in a case that the slitting device slits the master electrode plate and generates the particles.Type: ApplicationFiled: February 7, 2024Publication date: July 18, 2024Inventors: Shitong CHEN, Bin XIE, Yi LU, Xinlu FEI, Keqiang LI, Fenggang ZHAO
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Publication number: 20240185538Abstract: The embodiments provide a method of augmenting environmental scenes and an autonomous vehicle testing system.Type: ApplicationFiled: February 14, 2023Publication date: June 6, 2024Inventors: Shaobing XU, Shangyi LI, Shuocheng YANG, Jianqiang WANG, Shengbo LI, Bo CHENG, Keqiang LI
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Patent number: 11984028Abstract: The application provides a method, device, electronic device for vehicle cooperative decision-making as well as a computer storage medium. The method for vehicle cooperative decision-making applied at a cloud server includes: receiving a cooperative decision request sent by a roadside device, wherein the cooperative decision request is a request sent by the roadside device after it is recognized that a road is congested based on acquired real-time road information; acquiring information of a road scene included in the cooperative decision request; determining a congestion scene type based on the information of the road scene; calculating multi-vehicle oriented decision planning schemes using a preset scene cooperative decision model based on the congestion scene type; and sending the decision planning schemes to respective vehicles, so that the vehicles perform respective driving operations according to the decision planning schemes.Type: GrantFiled: May 27, 2021Date of Patent: May 14, 2024Assignees: China Intelligent and Connected Vehicles (Beijing) Research Institute Co., Ltd, Tsinghua UniversityInventors: Keqiang Li, Wenbo Chu, Qiuchi Xiong, Qiqige Wuniri, Guanfu Huang, Xiaoping Du