Patents by Inventor Rong Duan
Rong Duan 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).
-
Patent number: 11973337Abstract: This invention relates to the technical field of harmonic elimination for ferromagnetic resonance for a voltage transformer (abbreviated as PT), in particular, to a harmonic elimination method for ferromagnetic resonance for an active resistance-matching voltage transformer based on PID-adjustment, including compiling a resistance matching algorithm; designing and building a harmonic elimination control system based on the PID control strategy; presetting an active resistance-matching strategy; designing an engineering scheme for placing resistors.Type: GrantFiled: August 17, 2023Date of Patent: April 30, 2024Assignee: Qujing Power Supply Bureau of Yunnan Power Grid Co., LtdInventors: Xiaohong Zhu, Lianjing Yang, Fei Mao, Rong Zhang, Yang Yang, Jiangyun Su, Wenfei Feng, Zhe Li, Pengjin Qiu, Jianbin Li, Zhikun Hong, Weirong Yang, Changjiu Zhou, Yingqiong Zhang, Rui Xu, Guibing Duan
-
Patent number: 11965420Abstract: Disclosed are a shield tunnel segment structure and a construction method thereof. The shield tunnel segment structure includes segment blocks sequentially spliced in a circumferential direction. Each segment block forms a closed annular segment structure, and outer diameters of adjacent annular segment structures gradually increase in an axial direction. At least two adjacent segment blocks of the same annular segment structure form an annular inner groove, and at least one segment block of the adjacent annular segment structures is provided with an inner bump which matches the annular inner groove. At least two adjacent segment blocks of the same annular segment structure form an annular outer groove, and at least one segment block of the adjacent annular segment structures is provided with an outer bump which matches the annular outer groove. The annular outer grooves and the annular inner grooves are staggered in the circumferential direction.Type: GrantFiled: July 5, 2023Date of Patent: April 23, 2024Assignees: Shandong University, Northeast Electric Power UniversityInventors: Ke Wu, Tao Yang, Yang Zheng, Guodong Li, Zhihao Xing, Hongna Yang, Jiaxiang Xu, Rong Chen, Dongxue Hao, Jizheng Sun, Jingchuan Duan, Hongwei Zhang
-
Publication number: 20240078441Abstract: A method for knowledge representation and deduction of service logic includes: generating, based on a knowledge representation model, a semantic graph corresponding to conceptual-layer service logic, where the semantic graph includes one or more types of nodes and edges for connecting the one or more types of nodes, and the nodes include at least a node of a variable type; generating, based on the semantic graph and a physical table to which a service object is mapped, an instance graph, where the instance graph includes the nodes and edges in the semantic graph; generating executable code based on a service logic relationship between the nodes in the instance graph; and determining, based on the executable code and a data instance corresponding to a node whose in-degree is 0 in the instance graph, a data instance corresponding to each node in the instance graph.Type: ApplicationFiled: November 9, 2023Publication date: March 7, 2024Inventors: Rong Duan, Kangxing Hu, Wenwen Huang, Yuan Yuan, Wen Peng, Chunxi Liu, Qinjie Yang, Xiaoliang Yin, Shufan Li
-
Publication number: 20240072531Abstract: This invention relates to the technical field of harmonic elimination for ferromagnetic resonance for a voltage transformer (abbreviated as PT), in particular, to a harmonic elimination method for ferromagnetic resonance for an active resistance-matching voltage transformer based on PID-adjustment, including compiling a resistance matching algorithm; designing and building a harmonic elimination control system based on the PID control strategy; presetting an active resistance-matching strategy; designing an engineering scheme for placing resistors.Type: ApplicationFiled: August 17, 2023Publication date: February 29, 2024Inventors: Xiaohong ZHU, Lianjing YANG, Fei MAO, Rong ZHANG, Yang YANG, Jiangyun SU, Wenfei FENG, Zhe LI, Pengjin QIU, Jianbin LI, Zhikun HONG, Weirong YANG, Changjiu ZHOU, Yingqiong ZHANG, Rui XU, Guibing DUAN
-
Publication number: 20240070589Abstract: A method of engineering forecast and analysis is provided. The method includes: generating a forecasting model based on financial or business information obtained through a user interface, where the forecasting model expresses a logical determining and/or calculation rule based on a structure of a high-order directed graph and by using a plurality of nodes, attributes of the plurality of nodes, and a relationship between every two of the plurality of nodes, and the forecasting model expresses a forecasting path through a directed edge between the nodes; and configuring a common attribute of the forecasting model, an attribute of the forecasting path, and a personalized attribute of the node based on instantiation configuration information.Type: ApplicationFiled: November 9, 2023Publication date: February 29, 2024Inventors: Rong Duan, Yuan Yuan, Kangxing Hu, Chunxi Liu, Wenwen Huang, Wen Peng
-
Publication number: 20200356599Abstract: A computer-implemented method of determining data lineage based on database queries is provided. A received database query is parsed to identify a plurality of data entities associated with a plurality of data flows. A query graph associated with the received database query is generated, where the query graph includes a plurality of nodes connected via edges. The plurality nodes correspond to the plurality of data entities and the edges correspond to the plurality of data flows. A data lineage query is retrieved from memory. The data lineage query includes one or more of the plurality of data entities associated with the plurality of nodes within the generated query graph. A representation of the generated query graph is output based on the data lineage query.Type: ApplicationFiled: July 27, 2020Publication date: November 12, 2020Inventors: Yinglong Xia, Rong Duan, Ting Yu Leung
-
Patent number: 9747610Abstract: A system that incorporates teachings of the present disclosure may include, for example, determining a first linear model and a first log-linear model according to first explanatory variables and a first plurality of occupancy estimates, determining a second linear model and a second log-linear model according to second explanatory variables and a second plurality of occupancy estimates, evaluating, according to a location of a building, the first linear model, the first log-linear model, the second linear model, and the second log-linear model according to first values of the first explanatory variables and second values of the second explanatory variables, and combining results from the evaluating to generate a mixed occupancy estimate. Other embodiments are disclosed.Type: GrantFiled: November 22, 2013Date of Patent: August 29, 2017Assignee: AT&T Intellectual Property I, LPInventors: Rong Duan, Guang-Qin Ma, Olivia Hong
-
Patent number: 9544785Abstract: A method collects data and subjects it to statistical analysis to detect localized events, which assists in network provisioning. Illustratively, the data employed is hourly network traffic counts that are collected at cell sites. By taking advantage of the additive property of a Poisson process, the method integrates spatial neighbor information by aggregating temporal data in various areas, and iteratively estimating the event location and the radius of event impact by examining the posterior probability based on the aggregated data.Type: GrantFiled: October 10, 2014Date of Patent: January 10, 2017Assignee: AT&T Intellectual Property I, L.P.Inventors: Rong Duan, Siu-Tong Au, Heeyoung Kim, Guang-Qin Ma
-
Publication number: 20150149245Abstract: A system that incorporates teachings of the present disclosure may include, for example, determining a first linear model and a first log-linear model according to first explanatory variables and a first plurality of occupancy estimates, determining a second linear model and a second log-linear model according to second explanatory variables and a second plurality of occupancy estimates, evaluating, according to a location of a building, the first linear model, the first log-linear model, the second linear model, and the second log-linear model according to first values of the first explanatory variables and second values of the second explanatory variables, and combining results from the evaluating to generate a mixed occupancy estimate. Other embodiments are disclosed.Type: ApplicationFiled: November 22, 2013Publication date: May 28, 2015Applicant: AT&T Intellectual Property I, LPInventors: Rong Duan, Guang-Qin Ma, Olivia Hong
-
Publication number: 20150024768Abstract: A method that collects data and subjects it to statistical analysis to detect localized events, which assists in network provisioning. illustratively, the data employed is hourly network traffic count that is collected at cell sites. By taking the advantage of additive property of Poisson process, the method integrates spatial neighbor information by aggregating temporal data in various areas, and iteratively estimating the event location and the radius of event impact by examining the posterior probability base on the aggregated data.Type: ApplicationFiled: October 10, 2014Publication date: January 22, 2015Inventors: Rong Duan, Siu-Tong Au, Heeyoung Kim, Guang-Qin Ma
-
Patent number: 8861353Abstract: A method that collects data and subjects it to statistical analysis to detect localized events, which assists in network provisioning. Illustratively, the data employed is hourly network traffic count that is collected at cell sites. By taking the advantage of additive property of Poisson process, the method integrates spatial neighbor information by aggregating temporal data in various areas, and iteratively estimating the event location and the radius of event impact by examining the posterior probability base on the aggregated data.Type: GrantFiled: December 9, 2010Date of Patent: October 14, 2014Assignee: AT&T Intellectual Property I, L.P.Inventors: Rong Duan, Siu-Tong Au, Heeyoung Kim, Guang-Qin Ma
-
Patent number: 8630890Abstract: A method and system for mining a database for product migration analysis includes querying product usage data for a legacy product and a new product from the database as time series data. The product usage data is representative for a large number of consumers of the legacy and new products. A mathematical model may be used to determine a relationship between the two time series data. Product migration values and other features related to product migration, such as a transition period of product usage, may be estimated, determined or predicted.Type: GrantFiled: December 3, 2008Date of Patent: January 14, 2014Assignee: AT&T Intellectual Property I, L.P.Inventors: Siu-Tong Au, Rong Duan
-
Publication number: 20120147760Abstract: A method that collects data and subjects it to statistical analysis to detect localized events, which assists in network provisioning. Illustratively, the data employed is hourly network traffic count that is collected at cell sites. By taking the advantage of additive property of Poisson process, the method integrates spatial neighbor information by aggregating temporal data in various areas, and iteratively estimating the event location and the radius of event impact by examining the posterior probability base on the aggregated data.Type: ApplicationFiled: December 9, 2010Publication date: June 14, 2012Inventors: Rong Duan, Siu-Tong Au, Heeyoung Kim, Guang-Qin Ma
-
Publication number: 20100138277Abstract: A method and system for mining a database for product migration analysis includes querying product usage data for a legacy product and a new product from the database as time series data. The product usage data is representative for a large number of consumers of the legacy and new products. A mathematical model may be used to determine a relationship between the two time series data. Product migration values and other features related to product migration, such as a transition period of product usage, may be estimated, determined or predicted.Type: ApplicationFiled: December 3, 2008Publication date: June 3, 2010Applicant: AT&T Intellectual Property I, L.P.Inventors: Siu-Tong Au, Rong Duan
-
Patent number: 7678776Abstract: The present invention relates to the inclusion complexes of butylphthalide, which is D, L-mixed or levorotatory, with cyclodextrin or cyclodextrin derivatives, to a process for their preparation and the use thereof. In the invention, the butylphthalide is complexed with cyclodextrin or cyclodextrin derivatives, preferably with hydroxypropyl-?-cyclodextrin in order to increase the water-solubility of butylphthalide, develop clinical solid or liquid formulations and improve the therapeutic effect of butylphthalide. The inclusion complex, in which the molar ratio of butylphthalide to cyclodextrin or cyclodextrin derivatives is in the range of 1:1-10, can be used to prepare infusion, injection, injectable powder, liquids for oral administration, syrup, tablets, granules, dispersible tablets and others.Type: GrantFiled: August 28, 2008Date of Patent: March 16, 2010Assignee: Shijiazhuang Pharma. Group Zhongqi Pharmaceutical Technology (Shijiazhuang) Co., Ltd.Inventors: Zhan-qi Niu, Kai Zhao, Wen-juan Liu, Gui-rong Zhou, Chao Liu, Rong-duan Wang, Hong-zhong Yuan, Wen-min Guo, Sui-chao Yan, Min Bai
-
Patent number: 7578423Abstract: An assembly for reducing oxidation of a semiconductor device comprises a holding device for securing the semiconductor device to a platform. The holding device includes at least one opening for providing access by a bonding tool to bonding areas where the semiconductor device is to be bonded. A slidable cover covers the holding device and has a slot for providing access by the bonding tool to the bonding areas through the slot. A guiding device is positioned on the slidable cover and is coupled to a pusher which is operative to push the slidable cover to move along a first axis. The pusher is further guided by the guiding device to move relative to the slidable cover along a second axis which is perpendicular to the first axis without pushing the slidable cover to move in the second axis.Type: GrantFiled: June 6, 2008Date of Patent: August 25, 2009Assignee: ASM Technology Singapore Pte Ltd.Inventors: Rong Duan, Zhao Ya Rui, Pei Bei Xu
-
Publication number: 20080318898Abstract: The present invention relates to the inclusion complexes of butylphthalide, which is D, L-mixed or levorotatory, with cyclodextrin or cyclodextrin derivatives, to a process for their preparation and the use thereof. In the invention, the butylphthalide is complexed with cyclodextrin or cyclodextrin derivatives, preferably with hydroxypropyl-?-cyclodextrin in order to increase the water-solubility of butylphthalide, develop clinical solid or liquid formulations and improve the therapeutic effect of butylphthalide. The inclusion complex, in which the molar ratio of butylphthalide to cyclodextrin or cyclodextrin derivatives is in the range of 1:1-10, can be used to prepare infusion, injection, injectable powder, liquids for oral administration, syrup, tablets, granules, dispersible tablets and others.Type: ApplicationFiled: August 28, 2008Publication date: December 25, 2008Applicant: Shijiazhuang Pharma. Group Zhongqi Pharmaceutical Technology (Shijiazhuang) Co., Ltd.Inventors: Zhan-qi Niu, Kai Zhao, Wen-juan Liu, Gui-rong Zhou, Chao Liu, Rong-duan Wang, Hong-zhong Yuan, Wen-min Guo, Sui-chao Yan, Min Bai
-
Patent number: 7240820Abstract: A clamping device is provided for holding an electronic device, such as a semiconductor carrier in the form of a leadframe, during processing thereof. It includes a main body for covering the electronic device and an opening in the main body for providing access to a part of the electronic device to be worked upon. A support structure is attachable for coupling it to a periphery of the opening whereby the support structure is extended across the opening for supporting the part of the electronic device that is accessible through the opening.Type: GrantFiled: July 19, 2004Date of Patent: July 10, 2007Assignee: ASM Technology Singapore Pte Ltd.Inventors: Rong Duan, Wei Hong He, Ka Shing Kwan
-
Patent number: 7182793Abstract: The invention provides a system for reducing oxidation of a semiconductor device when it is heated, for example during wire bonding. A holding device is provided for securing the semiconductor device to a platform. The holding device includes an opening for providing access to an area where the semiconductor device is to be heated and a cavity is coupled to the opening. A gas inlet in fluid communication with the cavity supplies a relatively inert gas to the cavity, whereby to transmit the inert gas to the opening through the cavity and to reduce oxidation of the semiconductor device.Type: GrantFiled: January 22, 2004Date of Patent: February 27, 2007Assignee: ASM Technology Singapore Pty Ltd.Inventors: Rong Duan, Ka Shing Kenny Kwan
-
Patent number: 7103959Abstract: An apparatus to prevent oxidation of an electronic device, such as a semiconductor substrate during a semiconductor packaging process, comprises a substantially-enclosed conduit having at least one movable support defining a path through which the electronic device may travel and a plurality of gas outlets to introduce a relatively inert gas into the conduit. Conveying means adapted to engage and move the electronic device along the conduit is provided, and an opening along a portion of the conduit allows engagement between the conveying means and the electronic device. Actuating means are adapted to shift the movable support whereby the size of the path is adjustable to suit different electronic devices.Type: GrantFiled: December 17, 2002Date of Patent: September 12, 2006Assignee: ASM Technology Singapore PTE Ltd.Inventors: Boon June Yeap, Jie Wei Hu, Rong Duan, Ka Shing Kenny Kwan