Patents by Inventor Xuan DU
Xuan 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).
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Publication number: 20240095246Abstract: A data query method based on Doris includes: acquiring history data in a bottom operator in a storage engine architecture of the Doris, and performing an aggregation calculation on the history data to obtain an aggregation result of the history data; caching, by a preset cache system, the aggregation result of the history data; performing an aggregation calculation on real-time data in a newly inserted bottom operator in the Doris, in response to a data query request, to obtain an aggregate result of the real-time data; acquiring the aggregation result of the history data from the preset cache system, and merging the aggregation result of the history data with the aggregation result of the real-time data to obtain merged data; and sending, by a data sending operator in the Doris, the merged data to an upper layer of an execution engine, to output a final data query result.Type: ApplicationFiled: September 19, 2023Publication date: March 21, 2024Inventors: Zhaowei HUANG, Leilei HU, Junling DU, Xuan LUO
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Publication number: 20230365847Abstract: A frame glue material, a display panel, and a manufacturing method thereof are disclosed. The frame glue material includes a photoinitiator, a thermal curing agent, and an epoxy acrylate resin, and a chemical structural formula of the epoxy acrylate resin is: wherein, R includes at least one of resorcinol, hydroquinone, or bisphenol A.Type: ApplicationFiled: June 8, 2021Publication date: November 16, 2023Inventor: Xuan DU
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Publication number: 20230168475Abstract: The disclosure refers to the anti-blur infrared lens for the panoramic camera system, also known as Infrared Search and Track (IRST), using a 1280×1024 resolution sensor with a working F-number of 2. The lens operates in the mid-infrared wavelength range of 3-5 ?m, using a fast steering mirror (FSM) and a pair of lenses with extended polynomial surfaces to prevent image blur during integration time. The optical image captured by the lens always maintains sharpness during the change of rotation angle of the device by changing the angular position of FSM. The lens is capable of observing with wide angle-of-view and large rotation angle compensation ability, ensuring long detection distance.Type: ApplicationFiled: November 30, 2022Publication date: June 1, 2023Applicant: VIETTEL GROUPInventors: Van Dat Nguyen, Xuan Du Dang, Thanh Dat Vu
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Patent number: 11292253Abstract: A piezoelectric printing device includes a piezoelectric plate and a substrate with at least one row of drop ejectors. Each drop ejector includes a pressure chamber on a first side of the substrate and a nozzle on a second side of the substrate. The piezoelectric plate is attached to the substrate by a bonding layer. A first electrode layer is disposed on a first surface of the piezoelectric plate that is proximate to the first side of the substrate. The first electrode layer includes signal lines and ground traces corresponding to each pressure chamber. A second electrode layer including signal input pads and ground return pads is disposed on the first side of the substrate. Signal lines and ground traces in the first electrode layer are electrically connected to signal input pads and ground return pad(s) respectively on the second electrode layer through solder joints.Type: GrantFiled: June 26, 2020Date of Patent: April 5, 2022Assignee: SUZHOU RUIFA PRINTING TECHNOLOGY CO, LTD.Inventors: Yonglin Xie, Xiaofei Zhang, Huiqiang Lv, Jianbin Lu, Xuan Du
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Patent number: 11198295Abstract: A piezoelectric printing device includes a substrate and a piezoelectric plate. A pair of staggered rows of drop ejectors is disposed along a row direction on the substrate. Each drop ejector includes a nozzle in fluid communication with a pressure chamber that is bounded by side walls. The piezoelectric plate has a first surface that is proximate to the pressure chambers. An electrode layer is disposed on an opposing outer second surface of the piezoelectric plate. The electrode layer includes a signal line corresponding to each drop ejector in the pair of staggered rows, and at least one common ground bus connected to ground traces that are aligned over the side walls of each pressure chamber. Each signal line leads to a corresponding signal input pad that is disposed between the staggered rows. The common ground bus extends along the row direction and leads to a ground return pad.Type: GrantFiled: June 26, 2020Date of Patent: December 14, 2021Assignee: SUZHOU RYIFA PRINTING TECHNOLOGY CO. LTD.Inventors: Yonglin Xie, Xiaofei Zhang, Huiqiang Lv, Jianbin Lu, Xuan Du
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Patent number: 11187879Abstract: A high magnification MWIR continuous zoom optical system is described herein that consists of the following components: a front detachable extender group, a fixed group for focusing incoming radiation, three moving groups for zooming and generating an intermediate image and a relay group. The mentioned optical system has the ability to work with MWIR radiation (3-5 ?m) and generate a thermal image from the gathered radiation. The system also has the ability to zoom continuously in a wide variable focal length range with a high magnification ratio of 20×. With the use of a cooled detector, the combined system allows its user to be able to receive high quality thermal images in all FOV configurations.Type: GrantFiled: October 30, 2019Date of Patent: November 30, 2021Assignee: VIETTEL GROUPInventors: Xuan Du Dang, Dai Cuong Que, Minh Anh Hoang, Van Tuan Vu, Thanh Dat Vu
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Publication number: 20210354465Abstract: A piezoelectric printing device includes a piezoelectric plate and a substrate with at least one row of drop ejectors. Each drop ejector includes a pressure chamber on a first side of the substrate and a nozzle on a second side of the substrate. The piezoelectric plate is attached to the substrate by a bonding layer. A first electrode layer is disposed on a first surface of the piezoelectric plate that is proximate to the first side of the substrate. The first electrode layer includes signal lines and ground traces corresponding to each pressure chamber. A second electrode layer including signal input pads and ground return pads is disposed on the first side of the substrate. Signal lines and ground traces in the first electrode layer are electrically connected to signal input pads and ground return pad(s) respectively on the second electrode layer through solder joints.Type: ApplicationFiled: June 26, 2020Publication date: November 18, 2021Inventors: Yonglin Xie, Xiaofei Zhang, Huiqiang Lv, Jianbin Lu, Xuan Du
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Publication number: 20210354464Abstract: A piezoelectric printing device includes a substrate and a piezoelectric plate. A pair of staggered rows of drop ejectors is disposed along a row direction on the substrate. Each drop ejector includes a nozzle in fluid communication with a pressure chamber that is bounded by side walls. The piezoelectric plate has a first surface that is proximate to the pressure chambers. An electrode layer is disposed on an opposing outer second surface of the piezoelectric plate. The electrode layer includes a signal line corresponding to each drop ejector in the pair of staggered rows, and at least one common ground bus connected to ground traces that are aligned over the side walls of each pressure chamber. Each signal line leads to a corresponding signal input pad that is disposed between the staggered rows. The common ground bus extends along the row direction and leads to a ground return pad.Type: ApplicationFiled: June 26, 2020Publication date: November 18, 2021Inventors: Yonglin Xie, Xiaofei Zhang, Huiqiang Lv, Jianbin Lu, Xuan Du
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Publication number: 20210354467Abstract: A piezoelectric printing device includes a piezoelectric plate and a substrate with at least one row of drop ejectors. Each drop ejector includes a pressure chamber on a first side of the substrate and a nozzle on a second side of the substrate. The piezoelectric plate is attached to the substrate by a bonding layer. A first electrode layer is disposed on a first surface of the piezoelectric plate proximate to the first side of the substrate. The first electrode layer includes signal lines and ground traces corresponding to each pressure chamber. A second electrode layer including signal input pads and ground return pads is disposed on an outer second side of the piezoelectric plate. Signal lines and ground traces in the first electrode layer are electrically connected to signal input pads and ground return pads respectively on the second electrode layer through conductive vias.Type: ApplicationFiled: June 26, 2020Publication date: November 18, 2021Inventors: Xiaofei Zhang, Jianbin Lu, Yonglin Xie, Huiqiang Lv, Xuan Du
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Patent number: 11173714Abstract: A piezoelectric printing device includes a piezoelectric plate and a substrate with at least one row of drop ejectors. Each drop ejector includes a pressure chamber on a first side of the substrate and a nozzle on a second side of the substrate. The piezoelectric plate is attached to the substrate by a bonding layer. A first electrode layer is disposed on a first surface of the piezoelectric plate proximate to the first side of the substrate. The first electrode layer includes signal lines and ground traces corresponding to each pressure chamber. A second electrode layer including signal input pads and ground return pads is disposed on an outer second side of the piezoelectric plate. Signal lines and ground traces in the first electrode layer are electrically connected to signal input pads and ground return pads respectively on the second electrode layer through conductive vias.Type: GrantFiled: June 26, 2020Date of Patent: November 16, 2021Assignee: SUZHOU RUIFA PRINTING TECHNOLOGY CO., LTDInventors: Xiaofei Zhang, Jianbin Lu, Yonglin Xie, Huiqiang Lv, Xuan Du
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Publication number: 20200201005Abstract: A high magnification MWIR continuous zoom optical system is described herein that consists of the following components: a front detachable extender group, a fixed group for focusing incoming radiation, three moving groups for zooming and generating an intermediate image and a relay group. The mentioned optical system has the ability to work with MWIR radiation (3-5 ?m) and generate a thermal image from the gathered radiation. The system also has the ability to zoom continuously in a wide variable focal length range with a high magnification ratio of 20×. With the use of a cooled detector, the combined system allows its user to be able to receive high quality thermal images in all FOV configurations.Type: ApplicationFiled: October 30, 2019Publication date: June 25, 2020Applicant: VIETTEL GROUPInventors: Xuan Du Dang, Dai Cuong Que, Minh Anh Hoang, Van Tuan Vu, Thanh Dat Vu
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Publication number: 20090132772Abstract: A system and a method for performing data reading and writing on a physical storage device. A plurality of controllers under a common storage environment is used to realize data read and write operation performed on the physical storage device by a remote client. Firstly, the client assigns a controller in the plurality of controllers as a controller for executing the read and write operation, and each controller performs transmission of management data and cache data of the data to be written in the physical storage device through interlink. Then, the assigned controller reads data from the physical storage device or writes data into the physical storage device through corresponding logical storage device.Type: ApplicationFiled: November 21, 2007Publication date: May 21, 2009Applicant: INVENTEC CORPORATIONInventors: Qin-Ping Zhuang, Xuan Du, Tom Chen, Win-Harn Liu
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Publication number: 20080164628Abstract: A method of manufacturing anti-bacteria polyamide fiber via high speed spinning disclosed a kind of method, which can make manufacturing anti-bacteria polyamide fiber via high-speed spinning realized, including the preparation of anti-bacteria particles and process of high-speed spinning. The preparation of anti-bacteria particles includes surface treatment of anti-bacteria agent and its process of preparation. Choose nano zeolite carrying silver ion as anti-bacteria agent, mix the anti-bacteria particles and polymer chips, after melting, produce anti-bacteria yarns via high speed spinning. The surface treatment to the anti-bacteria agent the invention can improve the spinnability of raw material and place foundation for realizing high speed spinning.Type: ApplicationFiled: September 14, 2007Publication date: July 10, 2008Applicant: LIAONING YINZHU CHEMTEX GROUP CO., LTD.Inventors: Xuan DU, Lin ZOU, Xiuying PAN, Lipeng JIANG, Qingfu MENG, Aoxiang HU, Junlong ZHANG, Ke CHEN