Patents by Inventor Fei Du
Fei Du 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: 11966296Abstract: A master-slave architecture deployment method based on snapshot includes: restoring a core library corresponding to a MySQL database at any point in snapshot time, where the core library is a virtual library of the MySQL database; querying out at least one piece of configuration information necessary for master-slave configuration of the MySQL database by using the core library as baseline; taking a snapshot on the core library by using a snapshot technology; creating and cloning at least one copy library corresponding to the core library respectively based on the snapshot and the at least one piece of configuration information necessary for master-slave configuration; and configuring a master-slave relationship and a master library and a slave library corresponding to the master-slave relationship for the core library and the at least one copy library. A master-slave architecture deployment device based on snapshot is further provided.Type: GrantFiled: April 28, 2023Date of Patent: April 23, 2024Assignee: SHANGHAI SUNINFO INFORMATION TECHNOLOGY CO., LTD.Inventors: Zhilong Guang, Fei Chen, Qing Du
-
Publication number: 20230384769Abstract: The present application discloses an establishing method for establishing a dyeing model, a dyeing method, a device, and a storage medium which are applied to the dyeing technology field. The establishing method includes: obtaining historical data of dyeing a workpiece, the historical data includes historical dyeing time of the workpiece and historical color value of the workpiece after dyeing; and obtaining the dyeing model by training an initial model based on the historical data. The dyeing model is established using the historical data, and can establish a relationship between the dyeing time and the color value of the workpiece after dyeing. Based on the dyeing model, the dyeing time required for the workpiece can be determined according to a color value of the workpiece after dyeing. A precise dyeing process can be realized by determining the dyeing time using the dyeing model instead of determining the dyeing time manually.Type: ApplicationFiled: August 10, 2023Publication date: November 30, 2023Inventors: CHEN-TING WU, HONG-WEI ZHANG, WEI-TAO SI, QING-YU WANG, JING-JING LIU, LI YAN, FEI DU, WEI LI, BING-RU ZHOU, JUN-MEI LIU, XIAO-QING YI
-
Patent number: 11555862Abstract: The present disclosure provides a method and system for ground fault detection. The method may include obtaining an input voltage and a null-ground voltage; determining whether the null-ground voltage is less than a voltage threshold; if yes, further determining whether the null-ground voltage is less than a preset voltage; if yes, determining that the grounding state is normal; if the null-ground voltage is greater than or equal to the preset voltage, determining that the grounding state is abnormal; if the null-ground voltage is greater than or equal to the voltage threshold, determining that the live wire and the null wire are reversed; in the case that the live wire and the null wire are reversed, determining whether the difference between the input voltage and the null-ground voltage is less than the preset voltage; if yes, determining that the grounding state is normal; if no, determining that the grounding state is abnormal.Type: GrantFiled: September 29, 2020Date of Patent: January 17, 2023Assignees: Wanbang Digital Energy Co., LTD., Wanbang Star Charge Technology LTD.Inventors: Hsien-Yi Tsai, Daquan Xie, Fei Du, Rupei Zhang
-
FINE GRAIN RARE EARTH ALLOY CAST STRIP, PREPARATION METHOD THEREOF, AND A ROTARY COOLING ROLL DEVICE
Publication number: 20220251692Abstract: An alloy cast strip preparation method includes a melting process and a casting cooling process. The melting process includes controlling a power of an induction melting furnace to perform a cyclic heat treatment to completely melt an alloy raw material before a surface temperature of a melt obtained by melting the alloy raw material is raised to 1300° C., and, after the alloy raw material is melted, adjusting the power of the induction melting furnace to stabilize the surface temperature of the melt at a temperature in a range from 1400° C. to 1500° C. The casting cooling process includes performing casting cooling on the melt arranged on a surface of a rotary cooling roll to obtain an alloy cast strip while controlling a surface linear velocity of the rotary cooling roll to be from 1.5 m/s to 2.25 m/s.Type: ApplicationFiled: April 29, 2022Publication date: August 11, 2022Inventors: Wei ZHU, E NIU, Zhian CHEN, Xuanzhang YE, Fei DU, Zhan WANG, Xiaolei RAO, Boping HU -
Publication number: 20210335525Abstract: A NdFeB rare earth magnet includes a main phase and a grain boundary phase including a white grain boundary phase and a gray grain boundary phase. In a microstructure observation area of the rare earth magnet, an area of the white grain accounts for 1˜3% of a total area of the microstructure observation area, and an area of the gray grain boundary phase accounts for 2˜10% of the total area of the microstructure observation area.Type: ApplicationFiled: June 24, 2021Publication date: October 28, 2021Inventors: Guoan CHEN, Haojie WANG, Bin FANG, Fei DU, Zhan WANG, Yugang ZHAO
-
Publication number: 20210096191Abstract: The present disclosure provides a method and system for ground fault detection. The method may include obtaining an input voltage and a null-ground voltage; determining whether the null-ground voltage is less than a voltage threshold; if yes, further determining whether the null-ground voltage is less than a preset voltage; if yes, determining that the grounding state is normal; if the null-ground voltage is greater than or equal to the preset voltage, determining that the grounding state is abnormal; if the null-ground voltage is greater than or equal to the voltage threshold, determining that the live wire and the null wire are reversed; in the case that the live wire and the null wire are reversed, determining whether the difference between the input voltage and the null-ground voltage is less than the preset voltage; if yes, determining that the grounding state is normal; if no, determining that the grounding state is abnormal.Type: ApplicationFiled: September 29, 2020Publication date: April 1, 2021Applicants: Wanbang Digital Energy Co., LTD., Wanbang Star Charge Technology Ltd.Inventors: Hsien-Yi Tsai, Daquan Xie, Fei Du, Rupei Zhang
-
Patent number: 10660928Abstract: The present invention relates to a pharmaceutical composition for treating and preventing degenerative neurological disorders, containing, as an active ingredient, a mixture extract of two or more types selected from the group consisting of Moutan Root Bark, Angelica Dahurica Root, and Bupleurum Root, or a fraction thereof.Type: GrantFiled: March 8, 2017Date of Patent: May 26, 2020Assignees: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY, DONG-A ST CO., LTD.Inventors: Youngmi Kim, Myung Sook Oh, Seon-Pyo Hong, Mi Won Sohn, Jin Seok Jeong, Hai Hua Jiang, Eunjin Kim, Ja Young Ryu, Young Woong Cho, Xiao Fei Du, Sang Zin Choi, Jeong Soo Kim, Byoung Moon Kim
-
FINE GRAIN RARE EARTH ALLOY CAST STRIP, PREPARATION METHOD THEREOF, AND A ROTARY COOLING ROLL DEVICE
Publication number: 20190329319Abstract: An alloy cast strip includes grains having R2Fe14B-type compound as main phase, where R denotes a rare earth element, Fe denotes iron, and B denotes boron. The grains include non-columnar grains having an aspect ratio in a range from 0.3 to 2 and columnar grains having an aspect ratio equal to or larger than 3. A ratio of an area of the non-columnar grains to a total area of the grains is equal to or larger than 60% and a ratio of a number of the non-columnar grains to a total number of the grains is equal to or larger than 75%. A ratio of an area of the columnar grains to the total area of the grains is equal to or smaller than 15% and a ratio of a number of the columnar grains to the total number of the grains is equal to or smaller than 10%.Type: ApplicationFiled: June 27, 2019Publication date: October 31, 2019Inventors: Wei ZHU, E NIU, Zhian CHEN, Xuanzhang YE, Fei DU, Zhan WANG, Xiaolei RAO, Boping HU -
Patent number: 10025198Abstract: The present invention generally relates to simulating a lithographic process, and more particularly to methods for smart selection and smart weighting when selecting parameters and/or kernels used in aerial image computation. According to one aspect, advantages in simulation throughput and/or accuracy can be achieved by selecting TCC kernels more intelligently, allowing highly accurate aerial images to be simulated using a relatively fewer number of TCC kernels than in the state of the art. In other words, the present invention allows for aerial images to be simulated with the same or better accuracy using much less simulation throughput than required in the prior art, all else being equal.Type: GrantFiled: November 9, 2009Date of Patent: July 17, 2018Assignee: ASML Netherlands B.V.Inventors: Yu Cao, Wenjin Shao, Hanying Feng, Fei Du, Martin Snajdr
-
Publication number: 20170224754Abstract: The present invention relates to a pharmaceutical composition for treating and preventing degenerative neurological disorders, containing, as an active ingredient, a mixture extract of two or more types selected from the group consisting of Moutan Root Bark, Angelica Dahurica Root, and Bupleurum Root, or a fraction thereof.Type: ApplicationFiled: March 8, 2017Publication date: August 10, 2017Applicants: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY, DONG-A ST CO., LTD.Inventors: Youngmi KIM, Myung Sook OH, Seon-Pyo HONG, Mi Won SOHN, Jin Seok JEONG, Hai Hua JIANG, Eunjin KIM, Ja Young RYU, Young Woong CHO, Xiao Fei DU, Sang Zin CHOI, Jeong Soo KIM, Byoung Moon KIM
-
Patent number: 9591678Abstract: The present invention relates to a call processing method and an access network element in a mobile communications system. In a signaling exchange process for setting up a call leg, a call leg identifier that identifies a logical resource allocated by an access network element to the call leg is carried, thereby reducing signaling exchange caused by setup or release of a service link between access network elements in the prior art, saving signaling overhead in a call process, and enhancing call access capabilities of a mobile communications system effectively. In addition, after the service link between the access network elements is set up, service packets can be forwarded between the access network elements in a self-addressing manner.Type: GrantFiled: February 16, 2015Date of Patent: March 7, 2017Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yuezheng Zhao, Fei Du, Qiwen Li, Anquan Zhou
-
Publication number: 20150163839Abstract: The present invention relates to a call processing method and an access network element in a mobile communications system. In a signaling exchange process for setting up a call leg, a call leg identifier that identifies a logical resource allocated by an access network element to the call leg is carried, thereby reducing signaling exchange caused by setup or release of a service link between access network elements in the prior art, saving signaling overhead in a call process, and enhancing call access capabilities of a mobile communications system effectively. In addition, after the service link between the access network elements is set up, service packets can be forwarded between the access network elements in a self-addressing manner.Type: ApplicationFiled: February 16, 2015Publication date: June 11, 2015Inventors: Yuezheng Zhao, Fei Du, Qiwen Li, Anquan Zhou
-
Publication number: 20090193436Abstract: An alarm display system of a cluster storage system and a method thereof are described. A reasonable single abnormal event processing manner is adopted to classify the alarm priority through abnormal events detected by different nodes sharing a common device in the cluster storage system, and analyze load of each node. That is, nodes with lower loads are analyzed to obtain all the abnormal events of the common device and the node most affected by the abnormal events in the cluster storage system. Afterward, the analysis result is transmitted to each node, and each node then informs a subscriber with an alarm prompt, so as to reasonably and correctly alarm the subscriber with abnormal events of the common device and impacts thereof on the nodes.Type: ApplicationFiled: January 30, 2008Publication date: July 30, 2009Applicant: INVENTEC CORPORATIONInventors: Qi-Fei Du, Tom Chen, Win-Harn Liu
-
Patent number: D844163Type: GrantFiled: March 28, 2018Date of Patent: March 26, 2019Assignee: SHENZHEN BREO TECHNOLOGY CO., LTD.Inventor: Fei Du
-
Patent number: D888263Type: GrantFiled: November 8, 2018Date of Patent: June 23, 2020Assignee: SHENZHEN BREO TECHNOLOGY CO., LTD.Inventor: Fei Du
-
Patent number: D897733Type: GrantFiled: April 16, 2019Date of Patent: October 6, 2020Assignee: SHENZHEN BREO TECHNOLOGY CO., LTD.Inventor: Fei Du