Patents by Inventor Chao Cao
Chao Cao 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: 20240146126Abstract: Example rotors, motors, and vehicles are described. One example rotor includes a central core and a plurality of peripheral cores. Each peripheral core is spaced apart from the central core to form a first separation gap, a second separation gap, and a third separation gap that communicate with each other. The first separation gap and the second separation gap are respectively configured to accommodate a first permanent magnet and a second permanent magnet. The first permanent magnet and the second permanent magnet are respectively spaced apart from the sleeve to form a first magnetic isolation gap and a second magnetic isolation gap. Each peripheral core is provided with an open slot for accommodating a third permanent magnet and a fourth permanent magnet.Type: ApplicationFiled: October 23, 2023Publication date: May 2, 2024Inventors: Weihua HUANG, Binan LAN, Chao CAO
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Publication number: 20240134549Abstract: Disclosed are a method and a system for data uploading, which belongs to the technical field of blockchains-. The method comprises: receiving a block upload request sent by a slave server of a target node; determining whether block data corresponding to the block upload request has been uploaded to a block data storage system; if the block data corresponding to the block upload request is not uploaded to the block data storage system, acquiring the block data if the block data corresponding to the block upload request is not uploaded to the block data storage system, and uploading the block data to a storage space of the block data storage system; and sending an uploading success instruction to the slave server if the uploading is successful, so as to instruct the slave server to delete the block data stored on a light-weight peer in the target node.Type: ApplicationFiled: May 14, 2020Publication date: April 25, 2024Applicant: JINGDONG TECHNOLOGY INFORMATION TECHNOLOGY CO., LTD.Inventors: Long CAO, Chao MA, Haibo SUN, Yi WANG, Ming ZHAO
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Patent number: 11962035Abstract: The disclosure relates to the battery field and a PEO film, a preparation method thereof, and a solid-state battery are provided. A molecular structure of the PEO film includes a structural unit B, and the structural unit B includes —CH?CH—O—.Type: GrantFiled: September 3, 2020Date of Patent: April 16, 2024Assignee: CALB Technology Co., Ltd.Inventors: Kangping Wang, Chen Cao, Chao Chen, Xu Li, Yang Li
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Publication number: 20240119883Abstract: A pixel driving circuit and a display panel are provided. The pixel driving circuit includes a data writing module, a data conversion module, and a current driving module. The data writing module is electrically connected to a first node and configured to transmit a data signal to the first node. The data conversion module is electrically connected to the first node, a second node, and a modulation signal source, and configured to generate a current driving control signal, and to output the current driving control signal to the second node. The current driving module is electrically connected to the second node, a light-emitting control wire, and a light-emitting device, and configured to control the light-emitting device to emit light. An effective pulse of the current driving control signal has different pulse widths in different gray-scale states.Type: ApplicationFiled: October 30, 2022Publication date: April 11, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Haiming CAO, Chao TIAN, Fei AI, Guanghui LIU
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Publication number: 20240117125Abstract: A regenerated polymer alloy material is provided. The regenerated polymer alloy material is mainly prepared from the following raw materials in parts by mass: a waste HIPS: 55-70, a PP: 30-45, an alkylation reaction catalyst: 0.1-0.4, a co-catalyst: 0.1-0.3, and a HIPS-based macromolecular chain extender: 2-8. The regenerated polymer alloy material uses the waste HIPS and the PP new materials as raw materials, to obtain a waste HIPS based regenerated polymer alloy material with excellent comprehensive properties by using two types of chemical modifiers in combination in segments. The waste HIPS based regenerated polymer alloy material has environmental protection and high value. Further, a method for preparing the regenerated polymer alloy material is also provided.Type: ApplicationFiled: November 22, 2022Publication date: April 11, 2024Applicant: CHINA NATIONAL ELECTRIC APPARATUS RESEARCH INSTITUTE CO., LTD.Inventors: Nuo CAO, Jiaqi HU, Yonggao FU, Ling WANG, Chao WAN
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Patent number: 11956090Abstract: A Power over Ethernet (PoE) power supply device, a PoE power supply system, an interface part, and a method for detecting an optical module, and pertaining to the field of communications technologies, where the PoE power supply device includes a photoelectric composite interface part, and wherein the photoelectric composite interface part integrates an optical interface and an electrical interface, and is configured to be coupled to a photoelectric composite module. The photoelectric composite interface part can complete PoE power supply while transmitting a signal.Type: GrantFiled: November 10, 2021Date of Patent: April 9, 2024Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Jincan Cao, Chao Ren, Jian Chen, Ke Liu
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Patent number: 11933850Abstract: A device for detecting a slot wedge, an air gap and a broken rotor bar is provided, where a sequential circuit generates double concurrent pulses; the sequential circuit is connected to driving power modules; the driving power modules are connected to front-end interface circuits; the front-end interface circuits convert the double concurrent pulses into corresponding magnetic-field pulses; the magnetic-field pulses are transmitted to power supply terminals on adjacent phases of stator windings through impedance matching pins and coupled at a corresponding coil, air gap and squirrel cage rotor to generate single groups of cyclic rotating magnetic potentials; single rotating magnetic potentials are sequentially generated in adjacent slots on each of the phases of the stator windings; rotating electric potentials in magnetic circuits with two symmetrical phases are magnetically coupled to form distributed coupling magnetic field reflected full-cycle waves for reflecting a difference of a corresponding slot wedgType: GrantFiled: August 2, 2021Date of Patent: March 19, 2024Assignee: HANGZHOU HENUOVA TECHNOLOGY CO., LTD.Inventors: Yuewu Zhang, Weixing Yang, Boyan Zhao, Jie Luo, Gang Du, Chao Wang, Han Gao, Liwei Qiu, Ming Xu, Jiamin Li, Yanxing Bao, Qianyi Zhang, Zuting Cao, Junliang Liu
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Publication number: 20240086231Abstract: This application provides a task migration system and method. The system includes a first terminal and a second terminal. The second terminal runs a first application. The first terminal opens a recent task interface after receiving a user operation, where the recent task interface includes an identifier of the second terminal; after receiving a user operation performed on the identifier of the second terminal, displays, in the recent task interface, at least one task card corresponding to an application run by the second terminal in the background; and after receiving a user operation performed on a first task card corresponding to the first application, runs the first application, and displays a first user interface of the first application.Type: ApplicationFiled: November 15, 2023Publication date: March 14, 2024Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Kang Chen, Yuhang Song, Hao Huang, Wenjie Huang, Can Jia, Jianhua Zhu, Mingxiang Zhang, Chao Cao, Yanan Zhang, Hongjun Wang, Zhiyan Yang, Chao Xu
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Patent number: 11929958Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a base station may detect interference, in a remote interference management (RIM) scenario, in a set of sub-bands of a plurality of sub-bands of a bandwidth portion. The base station may transmit, to identify the set of sub-bands in which interference is detected, a set of reference signals configured to indicate the set of sub-bands in which the interference is detected. Numerous other aspects are provided.Type: GrantFiled: October 12, 2018Date of Patent: March 12, 2024Assignee: QUALCOMM IncorporatedInventors: Yuwei Ren, Chao Wei, Yiqing Cao, Huilin Xu, Yu Zhang, Hao Xu, Tingfang Ji
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Patent number: 11909277Abstract: A motor includes a grounding ring and a first sealing piece, or includes a grounding ring, a first sealing piece, and a second sealing piece. The grounding ring is electrically coupled to a rotating shaft and a housing. The grounding ring is made of a material with good conduction performance, hence, a shaft induced voltage transmitted on the rotating shaft is transmitted to the housing through the grounding ring, instead of being transmitted to the housing through a motor bearing.Type: GrantFiled: March 30, 2022Date of Patent: February 20, 2024Assignee: HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.Inventors: Zhenxing Chen, Guoquan Yu, Wenwu Ma, Chao Cao
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Patent number: 11888350Abstract: Embodiments of this application disclose a stator, a stator manufacturing method, a motor, and an electric vehicle. The stator includes: a stator tooth part, where a plurality of stator tooth parts are arranged at intervals along a circumferential direction; and a stator yoke part, where the stator yoke part is disposed along a circumferential direction of the stator tooth part, and the circumferential direction is a circumferential direction around a central axis of the stator; where the stator tooth part and the stator yoke part are integrally formed by an oriented silicon steel sheet, and a grain direction of the formed oriented silicon steel sheet points to the central axis of the stator along a radial direction. Therefore, the stator tooth part and the stator yoke part are formed by using one material, and there is no need to splice two materials, thereby reducing process costs.Type: GrantFiled: February 25, 2022Date of Patent: January 30, 2024Assignee: Huawei Digital Power Technologies Co., Ltd.Inventors: Ji Pang, Di Li, Lang Lv, Chao Cao
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Patent number: 11863029Abstract: Embodiments of this application provide a motor rotor, a motor, and a vehicle. A conductive pillar passes through an inner ring of a conductive bearing, an outer wall of the conductive pillar interference fits with the inner ring of the conductive bearing, and an end of the conductive pillar is grounded. In this way, it is ensured that a shaft current on a rotor body is discharged by using the conductive bearing and the conductive pillar, to prevent a main bearing of the motor rotor from being electrically corroded by the shaft current. In addition, the conductive bearing is sleeved on the grounded conductive pillar, so that the inner ring of the conductive bearing can interference fit with the outer wall of the conductive pillar.Type: GrantFiled: December 20, 2021Date of Patent: January 2, 2024Assignee: HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.Inventors: Zhiqi Wei, Chao Cao, Lang Lv, Wenwu Ma, Ke Wang
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Patent number: 11562507Abstract: A system comprises an encoder configured to compress attribute and/or spatial information for a point cloud and/or a decoder configured to decompress compressed attribute and/or spatial information for the point cloud. To compress the attribute and/or spatial information, the encoder is configured to convert a point cloud into an image based representation. Also, the decoder is configured to generate a decompressed point cloud based on an image based representation of a point cloud. In some embodiments, an encoder generates time-consistent patches for multiple version of the point cloud at multiple moments in time and uses the time-consistent patches to generate image based representations of the point cloud at the multiple moments in time.Type: GrantFiled: September 24, 2020Date of Patent: January 24, 2023Assignee: Apple Inc.Inventors: Jungsun Kim, Alexandros Tourapis, Khaled Mammou, Chao Cao, Marius Preda
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Publication number: 20220255407Abstract: This application provides a motor, a power assembly, and a motor drive device. In this application, the motor includes a grounding ring and a first sealing piece, or includes a grounding ring, a first sealing piece, and a second sealing piece. The grounding ring is electrically connected to a rotating shaft and a housing. Because the grounding ring is made of a material with good conduction performance, a shaft induced voltage transmitted on the rotating shaft can be transmitted to the housing through the grounding ring, instead of being transmitted to the housing through a motor bearing, thereby avoiding bearing electric corrosion of the motor bearing.Type: ApplicationFiled: March 30, 2022Publication date: August 11, 2022Inventors: Zhenxing Chen, Guoquan Yu, Wenwu Ma, Chao Cao
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Publication number: 20220224197Abstract: This application provides a motor, including a housing, a shaft bearing, a motor shaft, a first sealing member, a conductive post, a conductive bearing, a second sealing member, and a conductive connecting member. The motor shaft is rotatably installed on the housing through the shaft bearing. A part of the motor shaft is located inside the housing, and the motor shaft has a cavity. The first sealing member, the conductive bearing, the second sealing member, the conductive post, and the conductive connecting member are all located inside the housing. The first sealing member, the conductive bearing, and the second sealing member are located inside the cavity. According to the solutions of this application, the shaft bearing can be prevented from electric corrosion, and reliability of the shaft bearing can be ensured.Type: ApplicationFiled: March 31, 2022Publication date: July 14, 2022Inventors: Guoquan YU, Zhenxing CHEN, Wenwu MA, Chao CAO
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Publication number: 20220216772Abstract: Embodiments of this application provide a motor rotor, a motor, and a vehicle. A conductive pillar passes through an inner ring of a conductive bearing, an outer wall of the conductive pillar interference fits with the inner ring of the conductive bearing, and an end of the conductive pillar is grounded. In this way, it is ensured that a shaft current on a rotor body is discharged by using the conductive bearing and the conductive pillar, to prevent a main bearing of the motor rotor from being electrically corroded by the shaft current. In addition, the conductive bearing is sleeved on the grounded conductive pillar, so that the inner ring of the conductive bearing can interference fit with the outer wall of the conductive pillar.Type: ApplicationFiled: December 20, 2021Publication date: July 7, 2022Inventors: Zhiqi WEI, Chao CAO, Lang LV, Wenwu MA, Ke WANG
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Publication number: 20220209591Abstract: Embodiments of this application disclose a stator, a stator manufacturing method, a motor, and an electric vehicle. The stator includes: a stator tooth part, where a plurality of stator tooth parts are arranged at intervals along a circumferential direction; and a stator yoke part, where the stator yoke part is disposed along a circumferential direction of the stator tooth part, and the circumferential direction is a circumferential direction around a central axis of the stator; where the stator tooth part and the stator yoke part are integrally formed by an oriented silicon steel sheet, and a grain direction of the formed oriented silicon steel sheet points to the central axis of the stator along a radial direction. Therefore, the stator tooth part and the stator yoke part are formed by using one material, and there is no need to splice two materials, thereby reducing process costs.Type: ApplicationFiled: February 25, 2022Publication date: June 30, 2022Applicant: Huawei Digital Power Technologies Co., Ltd.Inventors: Ji PANG, Di LI, Lang LV, Chao CAO
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Patent number: 10976797Abstract: A smart battery power balance system and method to maximize the operating life of a mobile computing device and a portable peripheral (e.g., a peripheral having scanning capability). The mobile computing device battery and portable peripheral battery parameters such as battery level, velocity/rate of consumption and usage history are collected. A curve fitting and estimation is done to predict the empty time for complete battery discharge of the mobile computing device and portable peripheral. Based on this analysis, if the calculated empty time of the mobile computing device battery is less than the portable peripheral battery, the portable peripheral charges the mobile computing device battery and if the calculated empty time of the mobile computing device battery is greater than that of the portable peripheral battery, the portable peripheral battery does not charge the mobile computing battery.Type: GrantFiled: January 14, 2020Date of Patent: April 13, 2021Assignee: Hand Held Products, Inc.Inventors: Zhenjun Zhang, Chao Cao, Jinhua Shen, Jinchao Shi
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Publication number: 20210097723Abstract: A system comprises an encoder configured to compress attribute and/or spatial information for a point cloud and/or a decoder configured to decompress compressed attribute and/or spatial information for the point cloud. To compress the attribute and/or spatial information, the encoder is configured to convert a point cloud into an image based representation. Also, the decoder is configured to generate a decompressed point cloud based on an image based representation of a point cloud. In some embodiments, an encoder generates time-consistent patches for multiple version of the point cloud at multiple moments in time and uses the time-consistent patches to generate image based representations of the point cloud at the multiple moments in time.Type: ApplicationFiled: September 24, 2020Publication date: April 1, 2021Applicant: Apple Inc.Inventors: Jungsun Kim, Alexandros Tourapis, Khaled Mammou, Chao Cao, Marius Preda
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Patent number: 10901425Abstract: Embodiments, systems, and methods for navigational planning of a mobile programmable agent are provided. In some embodiments, the navigational planning may include identifying a plurality of dynamic objects in a physical environment having an origin and a destination. The physical environment is divided into a plurality of plane figures. The location of a centroid of each plane figure can then be calculated. A network of segments is formed from the origin to the destination intersecting the centroids. At least one channel is determined from the origin to the destination using a set of segments. A set of gates is identified along the at least one channel. The state of the gates is selectively determined based on movement of the dynamic objects. A pathway can then be identified within the channel for the mobile programmable agent to traverse from the origin to the destination based on the state of the gates.Type: GrantFiled: November 30, 2018Date of Patent: January 26, 2021Assignee: Honda Motor Co., Ltd.Inventors: Peter Trautman, Soshi Iba, Shih-Yun Lo, Katsu Yamane, Chao Cao