Patents by Inventor Wei Dai
Wei Dai 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: 11609557Abstract: An industrial automation system may include an automation device and a control system communicatively coupled to the automation device. The control system may include a first module of a number of modules, such that the first module may receive an indication of a target variable associated with the industrial automation device. The first module may then receive parameters associated with the target variable, identify a portion of data points associated with controlling the target variable with respect to the parameters, generate a model of each data point of the portion over time with respect to the parameters based on the data points, determine functions associated with the model. The functions represent one or more relationships between the each data point of the portion with respect to controlling the target variable. The first module may then adjust one or more operations of the automation device based on the functions.Type: GrantFiled: September 30, 2020Date of Patent: March 21, 2023Assignee: Rockwell Automation Technologies, Inc.Inventors: Bijan SayyarRodsari, Alexander B. Smith, Kadir Liano, Wei Dai, Yash P. Puranik
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Patent number: 11598799Abstract: The present disclosure provides a high-voltage interlock system and a detection method thereof. The high-voltage interlock system includes a target control device and at least one non-target control device connected in sequence. The target control device includes a detection unit, a current generation controller, a current generator, and a second high-voltage component. A controller in the target control device generates a pulse drive signal for driving the current generation controller, receives a detection result signal output from a current detector, and determines a fault of a high-voltage interlock circuit according to the detection result signal; the current generation controller generates an alternating voltage signal according to the pulse drive signal; the current generator outputs an alternating current signal according to the alternating voltage signal; the current detector acquires a voltage signal across a detection resistor set and outputs the detection result signal.Type: GrantFiled: October 29, 2020Date of Patent: March 7, 2023Assignee: Contemporary Amperex Technology Co., LimitedInventors: Yuqun Zeng, Kai Wu, Wei Dai, Chao Wang, Qiandeng Li
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Publication number: 20230069365Abstract: A system may include sensor device comprising a sensor configured to measure sensor data indicating an operational parameter of industrial automation equipment associated with an industrial automation process. The system may also include communication circuitry configured to transmit the sensor data. Additionally, the system includes a processor configured to receive the sensor data. Further, the system includes a non-transitory computer-readable medium comprising computer-executable instructions that, when executed, are configured to cause the processor to perform operations including identifying an operational state of the industrial automation equipment based on the sensor data. The operations may also include determining a discrepancy between the sensor data and the operational state. Further, the operations may include modifying an operation of the processor from a first operational mode to a second operational mode of a plurality of operational based on the comparison.Type: ApplicationFiled: August 24, 2021Publication date: March 2, 2023Inventors: Bijan SayyarRodsari, Richard W. Arling, Wei Dai
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Publication number: 20230061688Abstract: A computer-readable medium may include instructions that may cause a processor to perform operations that may include receiving audio data representative of sound waves generated by industrial devices and extracting features from the audio data. The features may be representative of a portion of the audio data. The operations may also include identifying a subset of the features based on distances between each of the plurality of features in an information space. The information space may include known clusters. The operations may then include determining that the subset of the features corresponds to an unknown cluster in the information space, performing a constrained classification operation based on each feature of the subset of the features to identify a new known cluster for the information space, and modifying operations of the industrial devices based on the new known cluster.Type: ApplicationFiled: August 31, 2021Publication date: March 2, 2023Inventors: Bijan Sayyarodsari, Kadir Liano, Wei Dai
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Publication number: 20230043874Abstract: The present disclosure relates to a semiconductor structure and a manufacturing method thereof. The manufacturing method of a semiconductor structure includes: providing a substrate, where a plurality of contact pads are formed on the substrate; depositing a dielectric layer on the substrate, where the dielectric layer fills gaps between the contact pads and covers the contact pads; and etching the dielectric layer through a plasma etching process to expose the contact pads, where an etching gas used in the plasma etching process includes an oxygen-free etching gas. The manufacturing method can avoid the formation of metal oxides on the contact pads, and avoid residual conductive metal particles or metal compounds on surfaces of the contact pads and the adjacent dielectric layers, which is beneficial to ensure the electrical performance of the semiconductor structure, thereby improving the use reliability of the semiconductor structure.Type: ApplicationFiled: April 4, 2022Publication date: February 9, 2023Inventors: Peimeng WANG, Chi-Wei DAI
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Publication number: 20230020825Abstract: A back contact solar cell string includes at least two cell pieces, each cell piece including P-type doped regions and N-type doped regions that are alternately arranged, the P-type doped regions including positive electrode thin grid lines, and the N-type doped regions including negative electrode thin grid lines; and a plurality of conductive wires connected to the positive electrode thin grid lines and the negative electrode thin grid lines. The conductive regions configured for electrical connection between each conductive wire and the positive electrode thin grid lines or the negative electrode thin grid lines and insulation regions configured for insulating connection between each conductive wire and the negative electrode thin grid lines or the positive electrode thin grid lines are alternately disposed at joints between each conductive wire and the positive electrode thin grid lines, and at joints between each conductive wire and the negative electrode thin grid lines.Type: ApplicationFiled: September 22, 2022Publication date: January 19, 2023Inventors: Wei DAI, Gang CHEN
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Publication number: 20230021066Abstract: A back contact solar cell string includes: at least two cell pieces, where each cell piece comprises positive electrode regions and negative electrode regions alternately disposed with each other; insulation layers, covering the positive electrode regions on one side of the cell piece and the negative electrode regions on another side of the cell piece; and a first bus bar, connected to two adjacent cell pieces and electrically connected to the positive electrode regions and the negative electrode regions in the two adjacent cell pieces that are not covered by the insulation layers.Type: ApplicationFiled: November 15, 2021Publication date: January 19, 2023Inventors: Wei DAI, Xinqiang YANG, Gang CHEN
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Publication number: 20230016084Abstract: A method for operating an industrial automation system may involve receiving, via a first module of a plurality of modules in a control system, an indication that an error between a measurement associated with a target variable that corresponds with at least a portion of the industrial automation system and a modeled value for the target variable. The method may then involve determining, via the first module, whether the error is within a first range of values and retraining a model used to generate the modeled value for the target variable based on a portion of a plurality of sets of data points acquired via a plurality of sensors disposed in the industrial automation system in response to the error being within the first range of values.Type: ApplicationFiled: September 14, 2022Publication date: January 19, 2023Inventors: Bijan SayyarRodsari, Alexander B. Smith, Kadir Liano, Wei Dai, Yash P. Puranik
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Patent number: 11541376Abstract: A supported catalyst and preparation method thereof, the catalyst comprising an organic polymer material carrier and Raney alloy particles supported on the organic polymer material carrier, wherein substantially all of the Raney alloy particles are partially embedded in the organic polymer material carrier. The catalyst can be used in hydrogenation, dehydrogenation, amination, dehalogenation or desulfuration reactions.Type: GrantFiled: February 20, 2018Date of Patent: January 3, 2023Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Wei Dai, Haibin Jiang, Shuliang Lu, Xiaohong Zhang, Guoqing Wang, Jinliang Qiao, Hui Peng
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Patent number: 11542479Abstract: The invention discloses an alcohol dehydrogenase mutant and use thereof. The alcohol dehydrogenase mutant of the present invention has high thermal stability and enables high catalytic efficiency and high conversion rate (i.e. space time yield) in the asymmetric reduction of prochiral diaryl ketones to produce chiral diaryl alcohols. Therefore, the alcohol dehydrogenase mutant of the present invention has extremely high prospect of application in the production of chiral diaryl alcohols, such as (S)-(4-chlorophenyl)-(pyridin-2-yl)-methanol, (R)-(4-chlorophenyl)-(pyridin-2-yl)-methanol.Type: GrantFiled: May 13, 2020Date of Patent: January 3, 2023Assignee: JIANGNAN UNIVERSITYInventors: Ye Ni, Wei Dai, Guochao Xu, Jieyu Zhou, Ruizhi Han, Jinjun Dong
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Publication number: 20220411150Abstract: Packaging may include a base box and a lid having a tamper-evident seal. The tamper-evident seal may include a paper substrate having a first adhesive portion configured to attach to a side panel of the base box, a second adhesive portion configured to attach to a second side panel of the lid. The first and second adhesive portions may be disposed on opposing sides of the paper substrate, and a tab configured to be accessible on an exterior of a package when the tamper-evident seal is applied may be a part of the paper substrate. When the tab is pulled with sufficient force, the paper substrate tears such that the first adhesive portion and the second adhesive portion remain fixed to the first and second side panels, respectively, while the remainder of the paper substrate tears free so that the packaging may be opened.Type: ApplicationFiled: June 25, 2021Publication date: December 29, 2022Inventors: Amanda Y. LIN, David Samuel KUMKA, Bartley K. ANDRE, Abidur Rahman CHOWDHURY, Wei DAI, Isaac HAYES
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Publication number: 20220405203Abstract: The present disclosure provides a method and apparatus for ingesting data, a device, a storage medium and a program product, and particularly to the field of computer technology, the field of intelligent traffic, and the like. A specific implementation comprises: deploying a first data ingestion system at a first data source, the first data ingestion system comprising a first read plugin, a first transmission plugin and a first write plugin; reading data from the first data source through the first read plugin; writing the data into a first transmission buffer queue through the first transmission plugin; and acquiring the data from the first transmission buffer queue through the first write plugin and writing the data into a first storage component. The data ingestion system in the present disclosure is divided into a read part, a transmission part and a write part. Each part works by means of a plugin.Type: ApplicationFiled: January 19, 2022Publication date: December 22, 2022Inventors: He Gao, Qian Lyu, Wei Dai
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Publication number: 20220385463Abstract: Systems and methods for improved distributed symmetric cryptography are disclosed. A client computer may communicate with a number of cryptographic devices in order to encrypt or decrypt data. Each cryptographic device may possess a secret share and a verification share, which may be used in the process of encrypting or decrypting data. The client computer may generate a commitment and transmit the commitment to the cryptographic devices. Each cryptographic device may generate a partial computation based on the commitment and their respective secret share, and likewise generate a partial signature based on the commitment and their respective verification share. The partial computations and partial signatures may be transmitted to the client computer. The client computer may use the partial computations and partial signatures to generate a cryptographic key and verification signature respectively. The client computer may use the cryptographic key to encrypt or decrypt a message.Type: ApplicationFiled: July 25, 2022Publication date: December 1, 2022Applicant: Visa International Service AssociationInventors: Pratyay Mukherjee, Shashank Agrawal, Peter Rindal, Atul Luykx, Wei Dai
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Patent number: 11500243Abstract: The present disclosure provides an LED assembly, a light source, and a liquid crystal display device. The LED assembly includes: a substrate; a plurality of blue LED chips which are disposed on the substrate at intervals and have different emission wavelengths; a white light phosphor layer which is disposed on the substrate and covers the plurality of blue LED chips; and a sealing frame which is disposed on the substrate and is configured to encapsulate the plurality of blue LED chips and the white light phosphor layer. The LED assembly encapsulates the blue LED chips having different emission wavelengths together, which can avoid LED mixing from an LED encapsulation source, thereby saving cost. Moreover, problems such as nonuniform images and chromatic aberration are basically avoided when the LED assembly is applied to an LCD module.Type: GrantFiled: February 18, 2021Date of Patent: November 15, 2022Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing BOE Technology Development Co., Ltd.Inventors: Fei Pan, Yucheng Li, Shikang Ge, Hening Zhang, Wei Dai, Xufeng Tu, Zhuqing Zhang, Zhi Li, Wei Chen, Meilong Hu, Jinhong Zhang
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Patent number: 11489558Abstract: The present invention provides a wireless communication circuitry including a processor, a communication path and a channel detection path. The communication path is configured to wirelessly communicate with an electronic device by using a first channel. The channel detection path is configured to detect at least one channel different from the first channel to generate a detection result while the communication path is wirelessly communicating with the electronic device by using the first channel. The processor determines a second channel based on the detection result, and the processor controls the communication path to switch to the second channel from the first channel to communicate with the electronic device.Type: GrantFiled: December 30, 2020Date of Patent: November 1, 2022Assignee: MEDIATEK INC.Inventors: Wei-Chen Wang, Chia-Wei Dai, Ray-Kuo Lin, Meng-Hsiang Lai, Ting-Che Tseng
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Patent number: 11482632Abstract: A back contact solar cell string includes at least two cell pieces, each cell piece including P-type doped regions and N-type doped regions that are alternately arranged, the P-type doped regions including positive electrode thin grid lines, and the N-type doped regions including negative electrode thin grid lines; and a plurality of conductive wires connected to the positive electrode thin grid lines and the negative electrode thin grid lines. The conductive regions configured for electrical connection between each conductive wire and the positive electrode thin grid lines or the negative electrode thin grid lines and insulation regions configured for insulating connection between each conductive wire and the negative electrode thin grid lines or the positive electrode thin grid lines are alternately disposed at joints between each conductive wire and the positive electrode thin grid lines, and at joints between each conductive wire and the negative electrode thin grid lines.Type: GrantFiled: November 15, 2021Date of Patent: October 25, 2022Assignees: Zhejiang Aiko Solar Energy Technology Co., Ltd., Guangdong Aiko Solar Energy Technology Co., Ltd., Tianjin Aiko Solar Energy Technology Co., Ltd.Inventors: Wei Dai, Gang Chen
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Patent number: 11449047Abstract: A method for operating an industrial automation system may involve receiving, via a first module of a plurality of modules in a control system, an indication that an error between a measurement associated with a target variable that corresponds with at least a portion of the industrial automation system and a modeled value for the target variable. The method may then involve determining, via the first module, whether the error is within a first range of values and retraining a model used to generate the modeled value for the target variable based on a portion of a plurality of sets of data points acquired via a plurality of sensors disposed in the industrial automation system in response to the error being within the first range of values.Type: GrantFiled: September 28, 2018Date of Patent: September 20, 2022Assignee: Rockwell Automation Technologies, Inc.Inventors: Bijan SayyarRodsari, Alexander B. Smith, Kadir Liano, Wei Dai, Yash P. Puranik
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Patent number: 11444086Abstract: The present invention relates to a capacitor and its formation method and to a DRAM cell. In various embodiments, a substrate is provided such that an electrical contact portion is formed thereon. A dielectric layer is formed on a surface of the substrate, including alternately stacked supporting layers and sacrificial layers. At least two capacitor holes penetrating the sacrificial layers and the supporting layers can formed to expose the same electrical contact portion. A lower electrode layer covering the inner surface of the capacitor holes can be formed. The lower electrode layer is connected to the electrical contact portion. The sacrificial layers are then removed and a capacitor dielectric layer and an upper electrode layer are formed successively on the inner and outer surfaces of the lower electrode layer and on the surface of the supporting layers. This can increase capacitance value per unit area of the capacitor.Type: GrantFiled: November 2, 2020Date of Patent: September 13, 2022Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.Inventor: Chi-Wei Dai
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Patent number: 11438152Abstract: Systems and methods for improved distributed symmetric cryptography are disclosed. A client computer may communicate with a number of cryptographic devices in order to encrypt or decrypt data. Each cryptographic device may possess a secret share and a verification share, which may be used in the process of encrypting or decrypting data. The client computer may generate a commitment and transmit the commitment to the cryptographic devices. Each cryptographic device may generate a partial computation based on the commitment and their respective secret share, and likewise generate a partial signature based on the commitment and their respective verification share. The partial computations and partial signatures may be transmitted to the client computer. The client computer may use the partial computations and partial signatures to generate a cryptographic key and verification signature respectively. The client computer may use the cryptographic key to encrypt or decrypt a message.Type: GrantFiled: January 31, 2020Date of Patent: September 6, 2022Assignee: VISA INTERNATIONAL SERVICE ASSOCIATIONInventors: Pratyay Mukherjee, Shashank Agrawal, Peter Rindal, Atul Luykx, Wei Dai
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Publication number: 20220258176Abstract: An intelligent control method for a dry dense medium fluidized bed separator includes supplying air to fluidize a bed; estimating an initial bed density according to a washability curve of a raw coal; detecting a magnetic material content in the bed to obtain a real-time bed density, and adjusting the real-time bed density according to a result from an analysis on a deviation from the initial bed density; during separation, adjusting a medium addition amount and a scraper discharge speed to maintain a stability of a bed height; separating the raw coal in the dry dense medium fluidized bed separator to obtain a clean coal product; and detecting a product ash content of the clean coal product, comparing the product ash content with a target ash content, and if a difference between the product ash content and the target ash content exceeds an expectation, adjusting the initial bed density.Type: ApplicationFiled: June 22, 2020Publication date: August 18, 2022Applicant: CHINA UNIVERSITY OF MINING AND TECHNOLOGYInventors: Liang DONG, Yuemin ZHAO, Yongxin REN, Guanghui WANG, Wei DAI, Enhui ZHOU, Chenlong DUAN, Yanjiao LI