Patents by Inventor Dong Cheng
Dong Cheng 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: 12373737Abstract: The present application provides a model gradient update method and device, for use in improving the accuracy of model training. A central server repeatedly executes a gradient update process until a stop condition is satisfied. One gradient update process comprises: receiving first gradients respectively sent by multiple nodes, the first gradients being obtained by each node using sample data to train a model to be trained of the node one or more times; obtaining a second gradient one the basis of the multiple first gradients and the probability of each node in the present gradient update process, the probability of each node in the present gradient update process being determined by an Actor-Critic network one the basis of the probability of each node in the last gradient update process; and sending the second gradient to the multiple nodes, respectively.Type: GrantFiled: August 15, 2022Date of Patent: July 29, 2025Assignee: CHINA UNIONPAY CO., LTD.Inventors: Dong Cheng, Xin Cheng, Yongkai Zhou, Pengfei Gao, Tiecheng Jiang
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Patent number: 12334888Abstract: In at least one embodiment, an audio limiter system is provided. The system includes a first limiter block, a second limiter block, and a third limiter block. The first limiter block receives an incoming audio signal having a plurality of first frequencies and limits the incoming audio signal with the plurality of first frequencies based on at least a first gain threshold to generate at least a first high audio output signal. The second limiter block receives the incoming audio signal having a plurality of second frequencies and limits the incoming audio signal with the plurality of second frequencies based on at least a second gain threshold to generate at least a first low audio output signal. The third limiter block receives the first high audio output signal and/or the first low audio output signal and limits the first high audio output signal and/or the first low audio output signal.Type: GrantFiled: May 26, 2023Date of Patent: June 17, 2025Assignee: Harman International Industries, IncorporatedInventors: Dong Cheng Li, James Zheng
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Patent number: 12330520Abstract: This application provides an off-board charger, a charging system, and a charging station. The off-board charger includes a power conversion circuit, a power supply port, a conversion adapter, and a controller. The conversion adapter includes a connection port and an alternating current output port. The controller controls, when the conversion adapter is connected to the power supply port, the power supply port to connect to an alternating current power grid, the power supply port to connect to the connection port, and the alternating current output port to connect to a charging port of a powered device; or controls, when the conversion adapter is disconnected from the power supply port, the power conversion circuit to connect to an alternating current power grid, and the power supply port to connect to the charging port of the powered device.Type: GrantFiled: August 18, 2023Date of Patent: June 17, 2025Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Dong Cheng, Mengxiong Liao
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Publication number: 20240396514Abstract: In at least one embodiment, an audio limiter system is provided. The system includes a first limiter block, a second limiter block, and a third limiter block. The first limiter block receives an incoming audio signal having a plurality of first frequencies and limits the incoming audio signal with the plurality of first frequencies based on at least a first gain threshold to generate at least a first high audio output signal. The second limiter block receives the incoming audio signal having a plurality of second frequencies and limits the incoming audio signal with the plurality of second frequencies based on at least a second gain threshold to generate at least a first low audio output signal. The third limiter block receives the first high audio output signal and/or the first low audio output signal and limits the first high audio output signal and/or the first low audio output signal.Type: ApplicationFiled: May 26, 2023Publication date: November 28, 2024Inventors: Dong Cheng LI, James ZHENG
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Publication number: 20240378507Abstract: The present application provides a model gradient update method and device, for use in improving the accuracy of model training. A central server repeatedly executes a gradient update process until a stop condition is satisfied. One gradient update process comprises: receiving first gradients respectively sent by multiple nodes, the first gradients being obtained by each node using sample data to train a model to be trained of the node one or more times; obtaining a second gradient one the basis of the multiple first gradients and the probability of each node in the present gradient update process, the probability of each node in the present gradient update process being determined by an Actor-Critic network one the basis of the probability of each node in the last gradient update process; and sending the second gradient to the multiple nodes, respectively.Type: ApplicationFiled: August 15, 2022Publication date: November 14, 2024Applicant: CHINA UNIONPAY CO., LTD.Inventors: Dong CHENG, Xin CHENG, Yongkai ZHOU, Pengfei GAO, Tiecheng JIANG
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Publication number: 20240329780Abstract: A location sensing method, a location sensing device, and an input terminal apparatus are provided. The method comprises: in an initial stage, using the light intensity of a reflected light received by a receiver as an environment threshold; in a sensing stage, controlling a transmitter to sequentially emit sensing light, and converting the reflected light received by the receiver into an optical path image; denoising the optical path image; when there is an occlusion object in the optical path image, extracting the outline of the occlusion object and calculating at least one parameter of the occlusion object; removing noise points of the outline; calculating position coordinates of the occlusion object in an input sensing region; optimizing a first coordinate by using a first optimizing manner; and a main board determining an advancing depth in a direction perpendicular to the input sensing region, and identifying a touch position.Type: ApplicationFiled: August 5, 2022Publication date: October 3, 2024Inventors: HONG LIU, CHAO FAN, DONG-CHENG HAN
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Publication number: 20240323023Abstract: A method for sample alignment is applied to a first participant system, where a first trusted execution environment is deployed at the first participant system. The method includes, in the first trusted execution environment, obtaining at least one first sample identifier of the first participant system; through the first trusted execution environment, obtaining at least one second sample identifier of the second participant system from the second trusted execution environment, where the second trusted execution environment is deployed at the second participant system; in the first trusted execution environment, determining the first initial intersection of the at least one first sample identifier and the at least one second sample identifier and performing the shuffle processing on all first target sample identifiers in the first initial intersection to obtain the first target intersection; and based on the first target intersection, determining the first sample alignment result.Type: ApplicationFiled: July 20, 2022Publication date: September 26, 2024Inventors: Yongkai ZHOU, Yanming YANG, Hongbao LIU, Jianbin ZHENG, Yang YANG, Zhenyao QIU, Chen OUYANG, Ling JIN, Pengfei GAO, Dong CHENG, Fen ZOU, Hang YUAN, Qi WANG
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Publication number: 20240059165Abstract: This application provides an off-board charger, a charging system, and a charging station. The off-board charger includes a power conversion circuit, a power supply port, a conversion adapter, and a controller. The conversion adapter includes a connection port and an alternating current output port. The controller controls, when the conversion adapter is connected to the power supply port, the power supply port to connect to an alternating current power grid, the power supply port to connect to the connection port, and the alternating current output port to connect to a charging port of a powered device; or controls, when the conversion adapter is disconnected from the power supply port, the power conversion circuit to connect to an alternating current power grid, and the power supply port to connect to the charging port of the powered device.Type: ApplicationFiled: August 18, 2023Publication date: February 22, 2024Applicant: Huawei Digital Power Technologies Co., Ltd.Inventors: Dong Cheng, Mengxiong Liao
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Publication number: 20230197964Abstract: The present invention relates generally to the field of electrical energy storage in the lithium storage batteries of Li-ion type. More specifically, the invention relates to a binder for Li-ion battery positive electrode, to a method of preparation of said electrode and to its use in a Li-ion battery. Another subject matter of the invention is the Li-ion batteries manufactured by incorporating this electrode material.Type: ApplicationFiled: May 24, 2021Publication date: June 22, 2023Inventor: Dong CHENG
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Patent number: 10417023Abstract: A GPU simulation method. An instruction sequence of a client GPU is intercepted in a kernel state simulator based on system virtualization and GPU using principle, and a mechanism is selected according to user configuration to accomplish simulation of the client GPU. In first mechanism, instruction translation is accomplished on low-level semantics based on a binary translation technology, and instructions are executed on a host GPU; in second mechanism, instruction conversion is accomplished using an existing GPU software stack, and instructions are executed on host GPU. The method provides an efficient simulated GPU for a virtual machine based on a host machine physical GPU, and solves the problem of slow GPU simulation. Based on a system virtualization technology and by virtue of a convenient condition provided by an existing GPU software stack, the GPU simulation speed is improved, and the implementation difficulty and complexity of the method are effectively controlled.Type: GrantFiled: October 31, 2016Date of Patent: September 17, 2019Assignee: MASSCLOUDS INNOVATION RESEARCH INSTITUTE (BEIJING) OF INFORMATION TECHNOLOGYInventors: Lei Shi, Hui Zhang, Dong Cheng, Wenqiang Niu
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Patent number: 10401973Abstract: A foldable portable keyboard includes a first input module, a second input module, a connecting unit and a handgrip unit. The first input module has opposing front and back faces, and opposing first and second ends. The second input module has opposing front and back faces, and opposing first and second ends. The connecting unit is configured to be connected to the first end of the first input module and the first end of the second input module. The handgrip unit is configured to be engaged to the second end of the first input module and the second end of the second input module. The first input module and the second input module are configured to be in a flat configuration or in a folded configuration.Type: GrantFiled: October 26, 2017Date of Patent: September 3, 2019Assignees: DEXIN ELECTRONIC LTD., DEXIN CORPORATIONInventors: Ho-Lung Lu, Wang-Dong Cheng
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Publication number: 20190129514Abstract: A foldable portable keyboard includes a first input module, a second input module, a connecting unit and a handgrip unit. The first input module has opposing front and back faces, and opposing first and second ends. The second input module has opposing front and back faces, and opposing first and second ends. The connecting unit is configured to be connected to the first end of the first input module and the first end of the second input module. The handgrip unit is configured to be engaged to the second end of the first input module and the second end of the second input module. The first input module and the second input module are configured to be in a flat configuration or in a folded configuration.Type: ApplicationFiled: October 26, 2017Publication date: May 2, 2019Inventors: HO-LUNG LU, WANG-DONG CHENG
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Publication number: 20180304166Abstract: A toy block with slot tracks formed thereon takes the form of a hexahedron with six track surfaces. A slot is formed on each of at least one of the track surfaces and has multiple connection ends extending and connecting to different edges of the track surface. Each toy block can at most include six different slots to attain high degree of diversity and variety for playing the toy block. When multiple ones of the toy blocks are assembled, users just need to get the multiple toy blocks to approach each other and the multiple toy blocks can be quickly assembled into a toy block set with high degree of variation and entertaining effect.Type: ApplicationFiled: March 22, 2018Publication date: October 25, 2018Inventors: Peng-Yuan Tsai, Tz-Ying Lin, Shao-Wei Chen, Wang-Dong Cheng
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Patent number: 10096767Abstract: A Magnetoresistive Tunnel Junction (MTJ) device includes an elongated MTJ structure formed onto a substrate, the MTJ structure including a magnetic reference layer and a tunnel barrier layer. The MTJ device also includes a number of discrete free magnetic regions disposed onto the tunnel barrier layer. The ratio of length to width of the elongated MTJ structure is such that the magnetic field of the magnetic reference layer is pinned in a single direction.Type: GrantFiled: March 9, 2013Date of Patent: October 9, 2018Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chwen Yu, Kai-Wen Cheng, Tien-Wei Chiang, Dong Cheng Chen
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Patent number: 10079459Abstract: A shelving system having a detached power supply apparatus includes at least a hollow vertical shelf rail, at least a bus bar inserted into the vertical shelf rail, and at least a detached power supply apparatus inserted in the vertical shelf rail and electrically connected to the bus bar. Each of the vertical shelf rails includes at least a punched hole, and two locating protrudes. Each of the bus bar includes a slot, and two current conductors. The slot includes a carrier surface, and a track abutting surface. Each of the detached power supply apparatus passes through the punched hole and is inserted between the carrier surface and the track abutting surface. Each of the detached power supply apparatus includes two push-in resilient ball head plungers, a receiving surface, an abutting surface, and two reeds. The abutting surface is engaging with the track abutting surface.Type: GrantFiled: June 22, 2017Date of Patent: September 18, 2018Assignee: Self Electronics Co., Ltd.Inventors: Dong Cheng, Jiangguo Dong
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Publication number: 20180011797Abstract: A memory sharing method of virtual machines through the combination of KSM and pass-through, including: a virtual machine manager judging whether operating systems of guests use IOMMU, if not, not participating in shared mapping of a KSM technology; if yes, judging memory pages of each guest to confirm whether the pages are mapping pages, if yes, remain the mapping pages into a host; and if not, on the premise of keeping the properties of Pass-through, using the KSM technology for all non-mapping pages to merge the memory pages with same contents among various virtual machines and perform write protection processing simultaneously. The guest memory pages are divided into those special for DMA and those for non-DMA purpose, then the KSM technology is only selectively applied to the non-DMA pages, and on the premise of keeping the properties of Pass-through, the object of saving memory resources is achieved simultaneously.Type: ApplicationFiled: September 2, 2016Publication date: January 11, 2018Applicant: MASSCLOUDS INNOVATION RESEARCH INSTITUTE (BEIJING) OF INFORMATION TECHNOLOGYInventors: Lei SHI, Hui ZHANG, Dong CHENG, Wenqiang NIU
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Publication number: 20170373449Abstract: A shelving system having a detached power supply apparatus includes at least a hollow vertical shelf rail, at least a bus bar inserted into the vertical shelf rail, and at least a detached power supply apparatus inserted in the vertical shelf rail and electrically connected to the bus bar. Each of the vertical shelf rails includes at least a punched hole, and two locating protrudes. Each of the bus bar includes a slot, and two current conductors. The slot includes a carrier surface, and a track abutting surface. Each of the detached power supply apparatus passes through the punched hole and is inserted between the carrier surface and the track abutting surface. Each of the detached power supply apparatus includes two push-in resilient ball head plungers, a receiving surface, an abutting surface, and two reeds. The abutting surface is engaging with the track abutting surface.Type: ApplicationFiled: June 22, 2017Publication date: December 28, 2017Inventors: Dong Cheng, Jiangguo Dong
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Patent number: 9847075Abstract: A method for displaying a graphical user interface on a display of an electronic device includes obtaining a total number ānā of image layers to be displayed on the display, and determining whether the total number of image layers is greater than two, determining a processing method of a number of processing methods for processing each image layer for displaying each image layer, processing each image layer according to the determined processing method, and displaying the graphical user interface on the display after all of the image layers have been processed. The number of processing methods include size adjustment, obfuscation adjustment, saturation adjustment, and transparency adjustment.Type: GrantFiled: January 12, 2015Date of Patent: December 19, 2017Assignee: Shenzhen Airdrawing Technology Service Co., LtdInventors: Shuang Hu, Chih-San Chiang, Ling-Juan Jiang, Hua-Dong Cheng
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Publication number: 20170216263Abstract: The present invention provides compounds of Formula (I): or a stereoisomer, or a pharmaceutically acceptable salt thereof, wherein all of the variables are as defined herein. These compounds are monoacylglycerol acyltransferase type 2 (MGAT2) inhibitors which may be used as medicaments.Type: ApplicationFiled: April 17, 2017Publication date: August 3, 2017Inventors: Huji Turdi, Jon J. Hangeland, R. Michael Lawrence, Dong Cheng, Saleem Ahmad, Wei Meng, Robert Paul Brigance, Pratik Devasthale, Guohua Zhao
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Patent number: D888163Type: GrantFiled: March 12, 2019Date of Patent: June 23, 2020Assignee: QBI GLOBE INC.Inventors: Peng-Yuan Tsai, Tz-Ying Lin, Shao-Wei Chen, Wang-Dong Cheng