Patents by Inventor Yiwei MA
Yiwei MA 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: 20240121029Abstract: Provided in the present application are a data processing method and apparatus based on data coding, and a device. The method comprises: performing N-channel error correction coding on data to be processed that is in information to be processed, so as to obtain N pieces of coded data to be processed; by using coded meta-channel data obtained by means of error correction coding, performing redundancy processing on the coded data to be processed, so as to obtain N pieces of response data; and then performing error correction decoding on the N pieces of response data, so as to obtain processing result information of the information to be processed.Type: ApplicationFiled: June 7, 2021Publication date: April 11, 2024Inventors: Lei HE, Jiangxing WU, Quan REN, Hailong MA, Yiming JIANG, Peng ZHANG, Jichao XIE, Yiwei GUO, Zhifeng FENG
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Publication number: 20240084370Abstract: The disclosure provides a kit for detecting microsatellite instability and a method therefor. The kit includes a negative control, a plurality of qPCR reaction solutions, a qPCR premix and a sterile enzyme-free water; the plurality of qPCR reaction solutions includes 6 pairs of upstream primers and downstream primers of which the MSI mutation site is amplified, and a reference probe for the internal reference and a detection probe for the mutation site. The difference between the amplification of the gene and the gene at the mutation site of the samples and the negative control is used to detect the microsatellite instability. The method and kit as provided is easy and simple without the need of normal tissues being a control, and the need to open the cap. By doing so, aerosol pollution is avoided and sample supplies are conserved.Type: ApplicationFiled: January 18, 2023Publication date: March 14, 2024Inventors: Chun MENG, Jing HONG, Liang GUO, Wenxiao MA, Yiwei HUANG, Xiaodie LIN, Liling XIE, Xiaoya WANG, Qixin LIN
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Patent number: 11929550Abstract: A radio frequency (RF) connector includes an insulating portion configured in a cylindrical shape; an outer conducting portion configured in a cylindrical shape and disposed to surround an outer circumferential surface of the insulating portion; and an inner conducting portion disposed inside the insulating portion in a hollow shape and having both ends protruding from the insulating portion, the insulating portion electrically separating the outer conducting portion from the inner conducting portion.Type: GrantFiled: August 21, 2019Date of Patent: March 12, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Yiwei Ma, Rongbiao Su, Yuanwei Wang
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Patent number: 11923666Abstract: An electric power system emulator apparatus includes a plurality of nodes arrayed in first and second dimensions and a plurality of transmission path emulator circuits, respective ones of which are configured to be connected between adjacent ones of the nodes in the first and second dimensions. The apparatus further includes a control circuit configured to control the transmission path emulator circuits to emulate transmission paths of an electric power system. The control circuit may be configured to control the transmission path emulator circuits to emulate transmission lines and/or transformers. The transmission path emulator circuits may include respective power electronics converter circuits. The apparatus may further include source/load emulator circuits configured to be coupled to the nodes.Type: GrantFiled: January 15, 2021Date of Patent: March 5, 2024Assignee: University of Tennessee Research FoundationInventors: Fei Wang, Jingxin Wang, Yiwei Ma
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Publication number: 20240056766Abstract: A visitation tracking system tracks user visitation to locations of interest to generate and report visualizations of the user visitation data. The visitation tracking system may be or include a group of one or more server machines configured to receive a user input specifying a location of interest, cause display of a presentation of a set of proximity borders within a region in response to the user input specifying the location of interest, wherein the region is based on the location of interest, receives a selection of a region to monitor (e.g., proximity borders, geo-fences), detects entries of client devices to a geo-fence represented by the region to monitor, and causes display of a notification in response to the detection of the entries.Type: ApplicationFiled: October 27, 2023Publication date: February 15, 2024Inventors: Masoud Akhoondi, Yiwei Ma, Nima Khajehnouri, Rohan Monga, Shuo wu
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Patent number: 11864053Abstract: A visitation tracking system tracks user visitation to locations of interest to generate and report visualizations of the user visitation data. The visitation tracking system may be or include a group of one or more server machines configured to receive a user input specifying a location of interest, cause display of a presentation of a set of proximity borders within a region in response to the user input specifying the location of interest, wherein the region is based on the location of interest, receives a selection of a region to monitor (e.g., proximity borders, geo-fences), detects entries of client devices to a geo-fence represented by the region to monitor, and causes display of a notification in response to the detection of the entries.Type: GrantFiled: November 23, 2021Date of Patent: January 2, 2024Assignee: SNAP INC.Inventors: Masoud Akhoondi, Yiwei Ma, Nima Khajehnouri, Rohan Monga, Shuo Wu
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Publication number: 20230353521Abstract: Methods and systems are disclosed for performing operations for monitoring user activity on a messaging platform. The operations include receiving, from a first client device, a request to access a group portal associated with a group of users; in response to receiving the request, generating, for display in a first section of the group portal, a first identifier of a first user of the group of users; accessing activity information associated with the first user being descriptive of one or more messages sent by a second client device of the first user to a set of recipients; and generating, for display in a second section of the group portal, the activity information associated with the first user excluding contents of the one or more messages sent by the second client device.Type: ApplicationFiled: May 2, 2022Publication date: November 2, 2023Inventors: Nathan Kenneth Boyd, Yiwei Ma, Juliet Shen, Jerome Sinocruz, Mai Chi Tran, Yamill Antonio Vallecillo, Jeremy Baker Voss
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Publication number: 20230289165Abstract: A data processing method and apparatus for an application, a device, and a storage medium. The method is performed by a computer device, and includes: obtaining a software installation package of a target application based on an adjustment instruction for the target application, the software installation package including N database file sets in a one-to-one correspondence with N subservices, and the N database file sets being obtained from N images in a one-to-one correspondence with the N subservices, adjusting, according to P database file sets in the N database file sets, P subservices corresponding to the P database file sets in the N database file sets to a version indicated by a target version identifier, to obtain data information of P adjusted subservices, and storing the data information of the P adjusted subservices in a database to obtain an adjusted target application.Type: ApplicationFiled: April 12, 2023Publication date: September 14, 2023Inventor: Yiwei MA
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Patent number: 11754637Abstract: An apparatus for testing components for use in a power system includes at least one power amplifier circuit configured to be coupled to the component and a control circuit configured to operate the power amplifier circuit responsive to at least one state of a component emulator for the component included in a system emulator for the power system. The component emulator may include at least one power electronics converter circuit and the control circuit may be configured to control at least one of a voltage and a current of the at least one power amplifier circuit responsive to at least one of a voltage and a current of the at least one power electronics converter circuit. The control circuit may be further configured to control the component emulator responsive to at least one state of the at least one power amplifier circuit.Type: GrantFiled: March 10, 2021Date of Patent: September 12, 2023Assignee: University of Tennessee Research FoundationInventors: Fei Wang, Jingxin Wang, Yiwei Ma
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Publication number: 20230146563Abstract: Systems, methods, devices, computer readable instruction media, and other embodiments are described for automated image processing and insight presentation. One embodiment involves receiving a plurality of ephemeral content messages from a plurality of client devices, and processing the messages to identify content associated with at least a first content type. A set of analysis data associated with the first content type is then generated from the messages, and portions of the messages associated with the first content type are processed to generate a first content collection. The first content collection and the set of analysis data are then communicated to a client device configured for a display interface comprising the first content collection and a representation of at least a portion of the set of analysis data.Type: ApplicationFiled: January 4, 2023Publication date: May 11, 2023Inventors: Harsh Agrawal, Xuan Huang, Jung Hyun Kim, Yuncheng Li, Yiwei Ma, Tao Ning, Ye Tao
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Patent number: 11601391Abstract: Systems, methods, devices, computer readable instruction media, and other embodiments are described for automated image processing and insight presentation. One embodiment involves receiving a plurality of ephemeral content messages from a plurality of client devices, and processing the messages to identify content associated with at least a first content type. A set of analysis data associated with the first content type is then generated from the messages, and portions of the messages associated with the first content type are processed to generate a first content collection. The first content collection and the set of analysis data are then communicated to a client device configured for a display interface comprising the first content collection and a representation of at least a portion of the set of analysis data.Type: GrantFiled: April 4, 2022Date of Patent: March 7, 2023Assignee: Snap Inc.Inventors: Harsh Agrawal, Xuan Huang, Jung Hyun Kim, Yuncheng Li, Yiwei Ma, Tao Ning, Ye Tao
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Patent number: 11515702Abstract: Methods, systems, and computer readable mediums for protecting and controlling a microgrid with a dynamic boundary are disclosed. One method includes detecting a fault in a microgrid that includes a dynamic point-of-common-coupling (PCC), in response to determining that the microgrid is operating in a grid-connected mode, isolating the fault by tripping a microgrid side smart switch and a grid side smart switch that are located immediately adjacent to the fault, initiating the reclosing of the grid side smart switch, and initiating the reclosing for the microgrid side smart switch via resynchronization if the grid side smart switch is successfully reclosed, and in response to determining that the microgrid is operating in an islanded mode, isolating the fault by tripping a microgrid side smart switch that is located immediately adjacent to the fault, and initiating the reclosing of the microgrid side smart switch.Type: GrantFiled: January 29, 2020Date of Patent: November 29, 2022Assignee: University of Tennessee Research FoundationInventors: Fei Wang, Dingrui Li, Yilu Liu, Yiwei Ma, Ishita Ray, Leon M. Tolbert, He Yin, Lin Zhu
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Publication number: 20220345435Abstract: Systems, methods, devices, computer readable instruction media, and other embodiments are described for automated image processing and insight presentation. One embodiment involves receiving a plurality of ephemeral content messages from a plurality of client devices, and processing the messages to identify content associated with at least a first content type. A set of analysis data associated with the first content type is then generated from the messages, and portions of the messages associated with the first content type are processed to generate a first content collection. The first content collection and the set of analysis data are then communicated to a client device configured for a display interface comprising the first content collection and a representation of at least a portion of the set of analysis data.Type: ApplicationFiled: April 4, 2022Publication date: October 27, 2022Inventors: Harsh Agrawal, Xuan Huang, Jung Hyun Kim, Yuncheng Li, Yiwei Ma, Tao Ning, Ye Tao
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Patent number: 11467551Abstract: A transformer emulator includes a DC bus, a first power electronics converter circuit having a DC port coupled to the DC bus, a second power electronics converter circuit having a DC port coupled to the DC bus, and a third power electronics converter circuit having DC port coupled to the DC bus. The transformer emulator further includes a control circuit configured to control the first, second and third power electronics converter circuits to emulate a transformer having a first port corresponding to an AC port of the first power electronics converter circuit and a second port corresponding to an AC port of the second power electronics converter circuit. The control circuit is configured to control the first and second power electronics converter circuits to emulate a voltage transformation of the transformer and to control the third power electronics converter circuit to emulate a loss of the transformer.Type: GrantFiled: January 15, 2021Date of Patent: October 11, 2022Assignee: University of Tennessee Research FoundationInventors: Fei Wang, Jingxin Wang, Yiwei Ma
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Publication number: 20220291293Abstract: An apparatus for testing components for use in a power system includes at least one power amplifier circuit configured to be coupled to the component and a control circuit configured to operate the power amplifier circuit responsive to at least one state of a component emulator for the component included in a system emulator for the power system. The component emulator may include at least one power electronics converter circuit and the control circuit may be configured to control at least one of a voltage and a current of the at least one power amplifier circuit responsive to at least one of a voltage and a current of the at least one power electronics converter circuit. The control circuit may be further configured to control the component emulator responsive to at least one state of the at least one power amplifier circuit.Type: ApplicationFiled: March 10, 2021Publication date: September 15, 2022Inventors: Fei Wang, Jingxin Wang, Yiwei Ma
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Publication number: 20220231485Abstract: An electric power system emulator apparatus includes a plurality of nodes arrayed in first and second dimensions and a plurality of transmission path emulator circuits, respective ones of which are configured to be connected between adjacent ones of the nodes in the first and second dimensions. The apparatus further includes a control circuit configured to control the transmission path emulator circuits to emulate transmission paths of an electric power system. The control circuit may be configured to control the transmission path emulator circuits to emulate transmission lines and/or transformers. The transmission path emulator circuits may include respective power electronics converter circuits. The apparatus may further include source/load emulator circuits configured to be coupled to the nodes.Type: ApplicationFiled: January 15, 2021Publication date: July 21, 2022Inventors: Fei Wang, Jingxin Wang, Yiwei Ma
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Publication number: 20220229406Abstract: A transformer emulator includes a DC bus, a first power electronics converter circuit having a DC port coupled to the DC bus, a second power electronics converter circuit having a DC port coupled to the DC bus, and a third power electronics converter circuit having DC port coupled to the DC bus. The transformer emulator further includes a control circuit configured to control the first, second and third power electronics converter circuits to emulate a transformer having a first port corresponding to an AC port of the first power electronics converter circuit and a second port corresponding to an AC port of the second power electronics converter circuit. The control circuit is configured to control the first and second power electronics converter circuits to emulate a voltage transformation of the transformer and to control the third power electronics converter circuit to emulate a loss of the transformer.Type: ApplicationFiled: January 15, 2021Publication date: July 21, 2022Inventors: Fei Wang, Jingxin Wang, Yiwei Ma
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Patent number: 11297027Abstract: Systems, methods, devices, computer readable instruction media, and other embodiments are described for automated image processing and insight presentation. One embodiment involves receiving a plurality of ephemeral content messages from a plurality of client devices, and processing the messages to identify content associated with at least a first content type. A set of analysis data associated with the first content type is then generated from the messages, and portions of the messages associated with the first content type are processed to generate a first content collection. The first content collection and the set of analysis data are then communicated to a client device configured for a display interface comprising the first content collection and a representation of at least a portion of the set of analysis data.Type: GrantFiled: January 31, 2020Date of Patent: April 5, 2022Assignee: Snap Inc.Inventors: Harsh Agrawal, Xuan Huang, Jung Hyun Kim, Yuncheng Li, Yiwei Ma, Tao Ning, Ye Tao
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Publication number: 20220103967Abstract: A visitation tracking system tracks user visitation to locations of interest to generate and report visualizations of the user visitation data. The visitation tracking system may be or include a group of one or more server machines configured to receive a user input specifying a location of interest, cause display of a presentation of a set of proximity borders within a region in response to the user input specifying the location of interest, wherein the region is based on the location of interest, receives a selection of a region to monitor (e.g., proximity borders, geo-fences), detects entries of client devices to a geo-fence represented by the region to monitor, and causes display of a notification in response to the detection of the entries.Type: ApplicationFiled: November 23, 2021Publication date: March 31, 2022Inventors: Masoud Akhoondi, Yiwei Ma, Nima Khajehnouri, Rohan Monga, Shuo Wu
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Patent number: D951936Type: GrantFiled: November 25, 2018Date of Patent: May 17, 2022Assignee: Lenovo (Beijing) Co., Ltd.Inventor: Yiwei Ma