Patents by Inventor Yunfan ZHANG
Yunfan ZHANG 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: 20250111970Abstract: Provided are an inductive component and a preparation method therefor. The inductive component includes: a magnetic core; wherein the magnetic core is externally covered with an insulating material; the insulating material is internally arranged with a through hole; the through hole is internally arranged with a first metal conductor; wherein the first metal conductor includes any one or a combination of at least two of a winding, a power path, or a signal path. The inductive component has a simple structure, high integration level, high planeness, and high reliability, which can effectively reduce the process difficulty of the subsequent soldering process, reduce the footprint, and improve the power density of the power supply module.Type: ApplicationFiled: September 27, 2024Publication date: April 3, 2025Applicants: HUIZHOU POCO NEW INDUCTOR TECHNOLOGY CO., LTD., HEYUAN POCO NEW MATERIAL CO., LTD.Inventors: Yunfan Zhang, Xiongzhi Guo, Tao Luo, Yaqing Li, Zhida Liu
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Publication number: 20250111981Abstract: Provided are a preparation method for a power module component, and a power module component. The surface of the component is flat, which can improve the welding accuracy and reduce the contact resistance of the power module components, leading to a higher reliability. The circuits and pins are on the surface of the component, without additional volume, which reduces the volume of the component and improves the power density of the power module. In addition, the power module component provided by an example of the present application is prepared by integrated molding; the gaps among various elements are fully filled, so that the inductance and magnetic flux density of the product can be improved. Moreover, the power module component can have a very small volume, thus increasing the power density of the power module to make the power supply smaller in volume.Type: ApplicationFiled: September 27, 2024Publication date: April 3, 2025Applicants: HUIZHOU POCO NEW INDUCTOR TECHNOLOGY CO., LTD., SHEN ZHEN JOVE ENTERPRISE LIMITED, POCO HOLDING CO., LTD., HUIZHOU POCO INDUSTRY CO., LTD., HEYUAN POCO NEW MATERIAL CO., LTD.Inventors: Tao Luo, Yunfan Zhang, Guojun Ye, Jiangming Ma, Xiongzhi Guo, Zhida Liu
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Publication number: 20250029768Abstract: A coupled and integrated inductor provided in the present invention, includes a magnetic core and one or more conductive coil assembly embedded in the magnetic core; each conductive coil assembly comprises a first conductive coil and a second conductive coil coupled to the first conductive coil. The magnetic core is in close contact with both the first conductive coil and the second conductive coil; the first conductive coil and the second conductive coil pass through the magnetic core side by side, parallel and in close contact with each other, and the first conductive coil and the second conductive coil share a magnetic path. A trans-inductor voltage regulator provided, includes a circuit board and the coupled and integrated inductor electrically connected to the circuit board. The inductor has a coupling coefficient more than 92%, which improves the overall performance of the coupled and integrated inductor.Type: ApplicationFiled: July 14, 2024Publication date: January 23, 2025Inventors: ZHIDA LIU, XIONGZHI GUO, YUNFAN ZHANG
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Publication number: 20250029769Abstract: An inductor provided in the present invention, includes a magnetic core and one or more conductive coil assembly embedded in the magnetic core; each conductive coil assembly comprises an inner conductive coil and an outer conductive coil surrounding the inner conductive coil. The inner conductive coil is enclosed in the outer conductive coils to form an inner and outer nested structure; the inner conductive coil and the outer conductive coil are arranged in parallel and spaced apart at a distance therebetween closed enough to obtain a coupling coefficient of more than 0.9.Type: ApplicationFiled: July 14, 2024Publication date: January 23, 2025Inventors: TAO LUO, XIONGZHI GUO, YUNFAN ZHANG
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Publication number: 20250029759Abstract: An inductor provided in the present invention, includes a magnetic core made of soft magnetic powder and a wire coil embedded inside the magnetic core. A method for manufacturing the inductor includes steps of: a pressing and molding step; and an annealing step. At the pressing and molding step, placing a wire coil in a mold, filling a cavity of the mold with soft magnetic powder surrounding the wire coil, molding at a pressure of 12˜24 T/cm2 to obtain a raw inductor. At the annealing step, placing the raw inductor in a heat furnace for calcinating and annealing so as to release residual stress inside the magnetic core and obtain the integrated inductor. In the present invention, a high-density, high-permeability inductor can be obtained, and no need to limit powder particle size of the soft magnetic powder.Type: ApplicationFiled: July 14, 2024Publication date: January 23, 2025Inventors: YUNFAN ZHANG, XIONGZHI GUO, LINA ZHANG, YAQING LI
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Publication number: 20250029770Abstract: An inductor provided in the present invention, includes a magnetic core and one or more conductive coil assembly embedded in the magnetic core; each conductive coil assembly comprises an inner conductive coil and an outer conductive coil coupled to the inner conductive coil. The inner conductive coil and the outer conductive coil are insulated from each other; the inner conductive coil rans through the outer conductive coil whereby most of or all magnetic field lines of the inner conductive coil pass through the outer conductive coil. A trans-inductor voltage regulator provided, includes a circuit board and the inductor electrically connected to the circuit board. The inductor has a coupling coefficient more than 98%.Type: ApplicationFiled: July 14, 2024Publication date: January 23, 2025Inventors: TAO LUO, XIONGZHI GUO, YUNFAN ZHANG
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Patent number: 12206851Abstract: Techniques are described for compressing and decompressing data using machine learning systems. An example process can include receiving a plurality of images for compression by a neural network compression system. The process can include determining, based on a first image from the plurality of images, a first plurality of weight values associated with a first model of the neural network compression system. The process can include generating a first bitstream comprising a compressed version of the first plurality of weight values. The process can include outputting the first bitstream for transmission to a receiver.Type: GrantFiled: December 17, 2021Date of Patent: January 21, 2025Assignee: QUALCOMM INCORPORATEDInventors: Yunfan Zhang, Ties Jehan Van Rozendaal, Taco Sebastiaan Cohen, Markus Nagel, Johann Hinrich Brehmer
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Publication number: 20240323415Abstract: Certain aspects of the present disclosure provide techniques and apparatus for encoding content using a neural network. An example method generally includes encoding video content into a latent space representation through an encoder implemented by a first machine learning model. A code is generated by upsampling the latent space representation of the video content. A prior is calculated based on a conditional probability of obtaining the upsampled latent space representation conditioned by the latent space representation of the video content. A compressed version of the video content is generated based on a probabilistic model implemented by a second machine learning model, the generated code, and the calculated prior, and the compressed version of the video content is output for transmission.Type: ApplicationFiled: March 22, 2023Publication date: September 26, 2024Inventors: David Wilson ROMERO GUZMAN, Gabriele CESA, Guillaume Konrad SAUTIERE, Yunfan ZHANG, Taco Sebastiaan COHEN, Auke Joris WIGGERS
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Publication number: 20230074979Abstract: Techniques are described for compressing data using machine learning systems. An example process can include receiving input data for compression by a neural network compression system. The process can include determining, based on the input data, a set of updated model parameters for the neural network compression system, wherein the set of updated model parameters is selected from a subspace of model parameters. The process can include generating at least one bitstream including a compressed version of the input data and a compressed version of one or more subspace coordinates that correspond to the set of updated model parameters. The process can include outputting the at least one bitstream for transmission to a receiver.Type: ApplicationFiled: August 25, 2021Publication date: March 9, 2023Inventors: Johann Hinrich BREHMER, Ties Jehan VAN ROZENDAAL, Yunfan ZHANG, Taco Sebastiaan COHEN
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Publication number: 20220385907Abstract: Techniques are described for compressing and decompressing data using machine learning systems. An example process can include receiving a plurality of images for compression by a neural network compression system. The process can include determining, based on a first image from the plurality of images, a first plurality of weight values associated with a first model of the neural network compression system. The process can include generating a first bitstream comprising a compressed version of the first plurality of weight values. The process can include outputting the first bitstream for transmission to a receiver.Type: ApplicationFiled: December 17, 2021Publication date: December 1, 2022Inventors: Yunfan ZHANG, Ties Jehan VAN ROZENDAAL, Taco Sebastiaan COHEN, Markus NAGEL, Johann Hinrich BREHMER
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Publication number: 20220301768Abstract: Provided are a method for manufacturing a molded composite inductor, and a molded composite inductor. The method includes: putting a plurality of conductors apart from each other into a mold, and extending two ends of each of the plurality of conductors out of the mold; filling the mold with magnetic powder such that the magnetic powder covers the plurality of conductors, and applying pressure to the magnetic powder such that the magnetic powder forms a magnetic body and is integrated with the plurality of conductors to form an inductor module.Type: ApplicationFiled: August 14, 2020Publication date: September 22, 2022Applicants: Shenzhen Boke New Material Co., Ltd., Huizhou Poco Magnetic Co., Ltd., Huizhou Boke Industry Co., Ltd.Inventors: Guohua Wang, Xiongzhi Guo, Zhuoquan Wu, Yunfan Zhang, Qiang Xiao, Bohui Wang, Zhihang Jiang, Yang Chen, Kai He, Yunkai Cao, Yixuan Li
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Publication number: 20220293315Abstract: The present application relates to an internally embedded copper plate-type soft magnetic powder core inductor, a preparation method therefor, and a use thereof. The internally embedded copper plate-type soft magnetic powder core inductor comprises a copper plate, a surface of the copper plate is covered with a soft magnetic material, and an interfacing area of the soft magnetic material and the copper plate includes an insulating resin material.Type: ApplicationFiled: June 30, 2020Publication date: September 15, 2022Applicants: Shenzhen Boke New Material Co., Ltd., Huizhou Poco Magnetic Co., Ltd., Huizhou Boke Industry Co., Ltd.Inventors: Yunfan Zhang, Xiongzhi Guo, Qiang Xiao, Guohua Wang, Yixuan Li, Kai He, Xuemin Chen, Jialin Ruan, Yunkai Cao, Zhengping Li
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Patent number: 11145920Abstract: The invention discloses a unit body of metal air battery, which can solve the problem of the nonuniformity of velocity in the electrolyte, ensure the internal electrolyte uniformly distributed, the residue in a cavity of a battery can be carried away fully in the electrolyte circulation and reflow process, injecting electrolyte in the whole metal air batteries can be realized only by a set of water injection equipment, greatly save the cost of manpower and material resources. The upper center of a housing has an upper hole and the lower center of a housing has a bottom hole. There is a slope inclined toward the inside in a cavity. There is a lower through hole at the lowest end of a slope. A lower through hole is communicated with a bottom hole of a housing. Both sides of a bottom hole and an upper hole have a mating surface groove, in which a sealing ring of a housing is placed. An upper sealing ring is fixed on a sealing plug.Type: GrantFiled: September 23, 2018Date of Patent: October 12, 2021Assignee: BEIJING YIYUAN NEW ENERGY TECHNOLOGY CO., LTDInventors: Shuxiong Zhang, Lei Hong, Yunfan Zhang
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Patent number: 11043710Abstract: A metal air fuel cell is provided. The metal air fuel cell includes a plurality of unit bodies arranged in parallel in a battery housing. Each of the plurality of unit bodies includes a housing, a front cover, an alloy plate, a sealing ring, a battery cover, an upper copper electrode, an air electrode, and a back cover. The upper copper electrode, the battery cover and the alloy plate are connected by bolts to form a metal fuel monomer.Type: GrantFiled: March 25, 2018Date of Patent: June 22, 2021Assignee: BEIJING YIYUAN NEW ENERGY TECHNOLOGY CO., LTDInventors: Shuxiong Zhang, Lei Hong, Yunfan Zhang
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Patent number: 10770100Abstract: A bias circuit comprises a closed loop gain stage arranged to determine a difference between a first current in a first branch circuit and a second current in a second branch circuit, where the first branch circuit and second branch circuit are coupled to respective terminals of a magnetic resistor (MR). A first set of current mirrors is arranged to provide a source current to the first terminal of the MR and the second set of current mirrors is arranged to provide a sink current to the second terminal of the MR. The first set of current mirrors and a second set of current mirrors are balanced to reduce a difference in setting time between the source current and sink current. The source current and sink current further reduce the difference between the first current and the second current to provide a constant voltage bias to the MR based on a voltage of a voltage source.Type: GrantFiled: December 4, 2019Date of Patent: September 8, 2020Assignee: Marvell Asia Pte, Ltd.Inventors: Xiaowei Huang, Mei Lei, Yunfan Zhang, Su Win Myat
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Publication number: 20190326653Abstract: A small metal air cell can be easy to carry, easy to use, and can be well integrated with some existing standard battery products. It includes an electric core, wires, an upper cover, an output negative electrode, a negative electrode presser, a positive pole press, an output positive pole, a housing. The cores grouped are placed in a housing, and the bottom of a housing has a ventilation hole. Each core includes an air electrode, an absorbent cotton, an alloy rod, and an absorbent cotton is encapsulated outside an alloy rod by an air electrode. Each electric core is connected through a wire, and a total positive leading out line and a total negative leading out line are reserved. An output positive pole and an output negative pole are installed on an upper cover.Type: ApplicationFiled: October 8, 2018Publication date: October 24, 2019Inventors: Shuxiong Zhang, Lei Hong, Yunfan Zhang
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Publication number: 20190207281Abstract: The invention discloses a unit body of metal air battery; which can solve the problem of the nonuniformity of velocity in the electrolyte, ensure the internal electrolyte uniformly distributed, the residue in a cavity of a battery can be carried away fully in the electrolyte circulation and reflow process, injecting electrolyte in the whole metal air batteries can be realized only by a set of water injection equipment, greatly save the cost of manpower and material resources. The upper center of a housing has an upper hole and the lower center of a housing has a bottom hole. There is a slope inclined toward the inside in a cavity. There is a lower through hole at the lowest end of a slope. A lower through hole is communicated with a bottom hole of a housing. Both sides of a bottom hole and an upper hole have a mating surface groove, in which a sealing ring of a housing is placed. An upper sealing ring is fixed on a sealing plug.Type: ApplicationFiled: September 23, 2018Publication date: July 4, 2019Inventors: Shuxiong Zhang, Lei Hong, Yunfan Zhang
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Publication number: 20190207282Abstract: The invention discloses a metal air fuel cell, which can replace a single metal fuel conveniently, making the whole product more convenient and more conducive to maintenance in the process of use, so as to increase the service life of the product and enhance the user experience of the product. The metal air fuel cell includes several cell bodies. Each unit body comprises a housing, a front cover, an alloy plate, a sealing ring, a battery cover, an upper copper electrode, an air electrode, a back cover. The front part of a housing is sealed by the bonding of a front cover and an air electrode to form a cavity between a housing and the bonded front cover and an air electrode. The rear part of a housing is sealed by the bonding of a back cover and an air electrode to form a cavity between a housing and the bonded back cover and an air electrode. A sealing ring is placed in a groove i of a battery cover.Type: ApplicationFiled: March 25, 2018Publication date: July 4, 2019Inventors: Shuxiong Zhang, Lei Hong, Yunfan Zhang
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Patent number: 10283250Abstract: Provided is a method for manufacturing a high-density integrally-molded inductor, comprising the following steps: (1) winding an enameled wire coil to be spiral; (2) mechanically pressing first ferromagnetic powder into a magnetic core; (3) mounting the magnetic core into a hollow cavity of the enameled wire coil; (4) mounting the enameled wire coil provided with the magnetic core into an injection mold; (5) uniformly mixing and stirring resin glue, a coupling agent and an accelerant, to obtain high-temperature resin glue; (6) uniformly stirring second ferromagnetic powder and the high-temperature resin glue, to obtain a magnetic composite material; (7) injecting the magnetic composite material into a mold cavity of the injection mold for molding, and solidifying the magnetic composite material to obtain an outer magnet; and (8) cooling and de-molding the outer magnet, to obtain a molded inductor.Type: GrantFiled: June 4, 2015Date of Patent: May 7, 2019Assignee: POCO Holding Co., LTd.Inventors: Xiongzhi Guo, Qiang Xiao, Jialin Ruan, Jun Qiu, Zhida Liu, Tao Luo, Yunfan Zhang
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Patent number: 10095263Abstract: Aspects of the disclosure include a data storage controller that includes a main circuit, a synchronization circuit, and a detection circuit. The main circuit is configured to receive a test signal, generate a data signal based on the test signal, and generate a compensation signal based on the test signal and a phase shift selected from N predetermined phase shifts. N may be an integer greater than one. The synchronization circuit is configured to receive the data signal and the data compensation signal, and generate a delayed data signal and a latched compensation signal in response to the data signal. The detection circuit is configured to determine whether rising and falling edges of the latched compensation signal and corresponding rising and falling edges of the delayed data signal are synchronized.Type: GrantFiled: December 7, 2016Date of Patent: October 9, 2018Assignee: Marvell International Ltd.Inventors: Kai Wu, Yunfan Zhang