Patents by Inventor Xi Xiao
Xi Xiao 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: 20240091786Abstract: The present invention relates to the field of garbage landfill. The present invention discloses a classified landfill device and method for garbage landfills, and the problem solved by the present invention is that the device proposed in the above background absorbs metals in the garbage using a magnet, but when the surface of the magnet has absorbed a large amount of metal, the device needs to be closed to treat the metal adsorbed on the surface of the magnet. The present invention comprises a screening mechanism, crushing mechanism and discharge mechanism. According to the classified landfill device and method for garbage landfill, the second crushing knife is set at an angle to divert the falling garbage to the front and rear sides, so that the two first crushing knives and the second crushing knife cooperate to crush the garbage respectively to avoid excessive accumulation of garbage.Type: ApplicationFiled: September 20, 2023Publication date: March 21, 2024Inventors: Guangli XIAO, Xi HAN, Minghui QI, Qiang XU, Xinyue HAO, Zhen LONG
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Publication number: 20240092579Abstract: A container conveying system including a controller, a first robot, and/or a second robot. A first container pickup mechanism is provided on the first robot. A second container pickup mechanism is provided on the second robot. The controller is configured to, in response to a container conveying request, send a first conveying instruction to the first robot if it is determined a target container to be conveyed based on the container conveying request has a size within a first size range; or send a second conveying instruction to the second robot if it is determined the target has a size within a second size range. In warehousing operation scenarios, by jointly using the two robots for operation, containers with various container sizes can be picked up and placed, thus improving utilization rate of a container storage space.Type: ApplicationFiled: January 21, 2022Publication date: March 21, 2024Inventors: Kai LIU, Qiming WANG, Zhihui QIN, Nan ZHANG, Yuhui XIAO, Xiaowei LI, Xi CHEN, Pengfei WANG
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Publication number: 20240080163Abstract: This application provides a reference signal transmission method and transmission apparatus. The transmission method includes: obtaining, by a network device, reference information of a terminal device, where the reference information includes at least one of an identifier of the terminal device and scheduling information of the terminal device; determining, by the network device, a transmission parameter of a phase tracking reference signal (PTRS) of the terminal device based on the reference information, where the transmission parameter includes at least one of a sequence of the PTRS and a frequency domain position of the PTRS; and transmitting, by the network device, the PTRS with the terminal device based on the transmission parameter. According to the reference signal transmission method and transmission apparatus provided in embodiments of this application, interference to the PTRS can be randomized.Type: ApplicationFiled: November 8, 2023Publication date: March 7, 2024Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Xi Zhang, Minghui Xu, Weimin Xiao
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Publication number: 20230282758Abstract: A laterally structured avalanche photodetector and a manufacturing method therefor.Type: ApplicationFiled: December 14, 2020Publication date: September 7, 2023Inventors: Xiao HU, Xi XIAO, Daigao CHEN, Lei WANG, Yuguang ZHANG, Miaofeng LI
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Patent number: 11616390Abstract: Provided in embodiments of the present invention are a micro-grid reconstruction method and device, a micro-grid protection and control center and a storage medium. The method includes: monitoring and acquiring current operating data of a micro-grid in real-time; storing the acquired current operating data and corresponding time stamp information in a database; analyzing an operating state of the micro-grid based on the operating data and the corresponding time stamp information that are stored in the database; and determining a current control scheme for the micro-grid according to a current analysis result, and reconstructing the micro-grid according to the current control scheme. The technical solution mentioned above realizes flexible protection and control of the micro-grid and improves the operating automation and intelligence of a system.Type: GrantFiled: June 19, 2019Date of Patent: March 28, 2023Assignee: Tsinghua UniversityInventors: Hengwei Lin, Kai Sun, Xi Xiao
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Publication number: 20230042376Abstract: Provided is a photoelectric detector, comprising: a silicon layer (110), the silicon layer (110) comprising a first-doping-type doped region (111); a germanium layer (120) in contact with the silicon layer (110), the germanium layer (120) comprising a second-doping-type doped region (121); and a silicon nitride waveguide (130), the silicon nitride waveguide (130) being arranged surrounding the germanium layer (120) along the extension directions of at least three side walls of the germanium layer (120), wherein the silicon nitride waveguide (130) is used for transmitting an optical signal and coupling the optical signal to the germanium layer (120), and the germanium layer (120) is used for detecting the optical signal and converting the optical signal into an electrical signal.Type: ApplicationFiled: December 4, 2020Publication date: February 9, 2023Inventors: Xiao HU, Xi XIAO, Lei WANG, Daigao CHEN, Yuguang ZHANG, Miaofeng LI
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Publication number: 20220350090Abstract: Disclosed is a photodetector with a resonant waveguide structure, including: a substrate; a light absorption layer located on the substrate and configured for detecting an optical signal; a resonant waveguide structure including a first waveguide portion and a second waveguide portion spaced apart; the first waveguide portion receives the optical signal and transmits the received optical signal to a first region of the second waveguide portion, the second waveguide portion includes a second region for coupling the optical signal to the light absorption layer, and the second waveguide portion provides a circular transmission path for transmission of the optical signal to transmit the optical signal that transmitted to the first region to the second region along part of the circular transmission path and retransmit the optical signal that flows through the second region without being coupled to the light absorption layer to the second region along the circular transmission path.Type: ApplicationFiled: December 4, 2020Publication date: November 3, 2022Inventors: Xiao HU, Xi XIAO, Daigao CHEN, Lei WANG, Yugang ZHANG, Maofeng LI
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Publication number: 20220153647Abstract: Herein discloses a method of carbonating reactive magnesia cement, which includes: (i) providing an aqueous suspension including a carbon dioxide-producing bacteria; (ii) mixing the aqueous suspension with a precursor which the carbon dioxide-producing bacteria generates carbon dioxide from for a duration to form an aqueous mixture sufficient for substantially carbonating the reactive magnesia cement; (iii) mixing the aqueous mixture with the reactive magnesia cement to form a blend; wherein a nutrient is provided in the aqueous suspension of step (i) or in the reactive magnesia cement of step (iii) to sustain the carbon dioxide-producing bacteria in the reactive magnesia cement; and (iv) curing the blend to carbonate the reactive magnesia cement. A reactive magnesia cement composite formed by the method is also disclosed.Type: ApplicationFiled: November 16, 2021Publication date: May 19, 2022Inventors: En-Hua YANG, Xi XIAO, Cise UNLUER, Tien Dung NGUYEN
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Patent number: 11194096Abstract: A polarization converter based on taking a high-order TE mode as a transition mode comprises a ridge waveguide (1) and a slab waveguide (2) that are arranged in double layers and varying in width, and a strip waveguide (4) which is varying in width. The ridge waveguide (1) is disposed on the upper end face of the slab waveguide (2), and is aligned with two ends of the slab waveguide (2). The right end of the ridge waveguide (1) and the slab waveguide (2) are connected with the strip waveguide (4) with the varying width. A TM0 mode enters from the left ends of the ridge waveguide and the slab waveguide, and is converted into a TE0 mode for output. On the contrary, the TE0 mode enters from the right end of the strip waveguide and is converted into the TM0 mode for output.Type: GrantFiled: December 7, 2016Date of Patent: December 7, 2021Assignee: WUHAN RESEARCH INSTITUTE OF POSTS AND TELECOMMUNICATIONSInventors: Daigao Chen, Xi Xiao, Lei Wang, Ying Qiu, Miaofeng Li, Lei Liu, Qi Yang, Shaohua Yu
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Publication number: 20210152018Abstract: Provided in embodiments of the present invention are a micro-grid reconstruction method and device, a micro-grid protection and control center and a storage medium. The method includes: monitoring and acquiring current operating data of a micro-grid in real-time; storing the acquired current operating data and corresponding time stamp information in a database; analyzing an operating state of the micro-grid based on the operating data and the corresponding time stamp information that are stored in the database; and determining a current control scheme for the micro-grid according to a current analysis result, and reconstructing the micro-grid according to the current control scheme. The technical solution mentioned above realizes flexible protection and control of the micro-grid and improves the operating automation and intelligence of a system.Type: ApplicationFiled: June 19, 2019Publication date: May 20, 2021Applicant: Tsinghua UniversityInventors: Hengwei Lin, Kai Sun, Josep M. Guerrero, Xi Xiao
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Patent number: 11005199Abstract: An electrical plug connector has an insulated housing, two elastic buckle elements, multiple plug terminals, and a plug metallic shell. The insulated housing has a terminal portion and two connecting portions. The two elastic buckle elements are respectively mounted in receiving grooves of the two connecting portions of the insulated housing. Multiple plug terminals are arranged on the terminal portion of the insulated housing. An electrical receptacle connector is detachably connected with the electrical plug connector. The electrical receptacle connector has a receptacle insulated housing and multiple receptacle terminals. The receptacle insulated housing has an inserting portion and two receptacle connecting portions. The multiple receptacle terminals are mounted in a mounting slot of the receptacle insulated housing. When the electrical plug connector is connected with the electrical receptacle connector, the multiple plug terminals may contact the multiple receptacle terminals and are conducted.Type: GrantFiled: August 29, 2018Date of Patent: May 11, 2021Assignee: ADVANCED-CONNECTEK INC.Inventors: Pin-Yuan Hou, Wen-Hsien Tsai, Shuang-Xi Xiao
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Patent number: 10714639Abstract: An on-chip mode converter-based silicon-germanium photoelectric detection apparatus comprises an insulating substrate, an optical coupler, an on-chip mode converter and a multi-mode silicon-germanium photoelectric detector. The optical coupler, the converter and the photoelectric detector are sequentially connected and all fixed on silicon wafers of the insulating substrate. An incident fundamental mode optical signal is transmitted to the optical coupler through a single-mode fiber, enters the converter via the optical coupled. The converter converts the fundamental mode optical signal into a multi-mode optical field and enters the photoelectric detector, which converts the multi-mode optical field into an electrical signal. Heavily germanium-doped region are located in areas with relatively weak distributed light intensity of the multi-mode optical field.Type: GrantFiled: December 7, 2016Date of Patent: July 14, 2020Assignee: WUHAN RESEARCH INSTITUTE OF POSTS AND TELECOMMUNICATIONSInventors: Lei Wang, Xi Xiao, Daigao Chen, Miaofeng Li, Ying Qiu
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Patent number: 10615540Abstract: An electrical plug connector includes an insulated housing, contact terminals held in the insulated housing, an outer shell covering the insulated housing, and hook members. First buckle structures are at side arms at two sides of the insulated housing. Each of the hook members includes a second buckle structure mating with the corresponding first buckle structure. The buckle structures are of crescent shapes and mated with each other. When the press portion of the hook member is pressed by an excessive force, the first/second buckle structure stops the second/first buckle structure to prevent the elastic arm of the hook member from deforming. When the elastic arm is bounced back excessively, the first/second buckle structure stops the second/first buckle structure to prevent the hook member from detaching off the side arm.Type: GrantFiled: January 9, 2019Date of Patent: April 7, 2020Assignee: ADVANCED-CONNECTEK INC.Inventors: Pin-Yuan Hou, Shuang-Xi Xiao, Yu-Chai Yeh
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Patent number: 10551567Abstract: A broadband polarization beam splitter/combiner based on a gradient waveguide directional coupler, comprises a gradient waveguide directional coupler, a beam combining end (1), a curved waveguide (5), a TE mode end (6) and a TM mode end (7). The coupler consists of a straight end gradient waveguide (2) and a serial end gradient waveguide (3). The trend of change of the gradient waveguide (2) is opposite to the gradient waveguide (3), and a gap is provided between the gradient waveguide (2) and the gradient waveguide (3). The beam combining end (1) is connected with one end of the gradient waveguide (2), the other end of the gradient waveguide (2) is connected with one end of the curved waveguide (5), the other end of the curved waveguide (5) is connected with the TE end (6), and the waveguide (3) is connected with the TM end (7).Type: GrantFiled: December 7, 2016Date of Patent: February 4, 2020Assignee: WUHAN RESEARCH INSTITUTE OF POSTS AND TELECOMMUNICATIONSInventors: Lei Wang, Daigao Chen, Xi Xiao, Miaofeng Li, Ying Qiu
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Patent number: 10552508Abstract: According to an example of the present disclosure, a mobile terminal recognizes a webpage in an archive format in a browser of the mobile terminal, parses the webpage in the archive format to obtain file header information, obtains boundary strings and a character encoding format according to the file header information, performs a content dividing and content decoding operation to the webpage in the archive format, and displays data obtained via the content dividing and content decoding operation in form of a webpage.Type: GrantFiled: June 5, 2018Date of Patent: February 4, 2020Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Yibin Ling, Xuefeng Li, Xi Xiao
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Patent number: 10488681Abstract: The present invention discloses a GSG track-type radio-frequency electrode, a silicon-based traveling-wave electrode light modulator, and a preparation method, and relates to the field of high-speed electro-optical chips. The GSG track-type radio-frequency electrode includes a GSG-type planar electrode, where a track electrode used for delaying an electric field is periodically added to one side or dual sides of the GSG-type planar electrode, and the track electrode is connected to a ground electrode of the GSG-type planar electrode. The silicon-based traveling-wave electrode light modulator includes the GSG track-type radio-frequency electrode and a conventional silicon-based traveling-wave electrode light modulator, and the GSG track-type radio-frequency electrode is connected to an active region of the silicon-based traveling-wave electrode light modulator by using through holes between electrode layers.Type: GrantFiled: August 8, 2017Date of Patent: November 26, 2019Assignee: WUHAN RESEARCH INSTITUTE OF POSTS AND TELECOMMUNICATIONSInventors: Miaofeng Li, Xi Xiao, Lei Wang, Daigao Chen, Qi Yang, Shaohua Yu
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Publication number: 20190214767Abstract: An electrical plug connector includes an insulated housing, contact terminals held in the insulated housing, an outer shell covering the insulated housing, and hook members. First buckle structures are at side arms at two sides of the insulated housing. Each of the hook members includes a second buckle structure mating with the corresponding first buckle structure. The buckle structures are of crescent shapes and mated with each other. When the press portion of the hook member is pressed by an excessive force, the first/second buckle structure stops the second/first buckle structure to prevent the elastic arm of the hook member from deforming. When the elastic arm is bounced back excessively, the first/second buckle structure stops the second/first buckle structure to prevent the hook member from detaching off the side arm.Type: ApplicationFiled: January 9, 2019Publication date: July 11, 2019Inventors: Pin-Yuan Hou, Shuang-Xi Xiao, Yu-Chai Yeh
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Publication number: 20190074616Abstract: An electrical plug connector has an insulated housing, two elastic buckle elements, multiple plug terminals, and a plug metallic shell. The insulated housing has a terminal portion and two connecting portions. The two elastic buckle elements are respectively mounted in receiving grooves of the two connecting portions of the insulated housing. Multiple plug terminals are arranged on the terminal portion of the insulated housing. An electrical receptacle connector is detachably connected with the electrical plug connector. The electrical receptacle connector has a receptacle insulated housing and multiple receptacle terminals. The receptacle insulated housing has an inserting portion and two receptacle connecting portions. The multiple receptacle terminals are mounted in a mounting slot of the receptacle insulated housing. When the electrical plug connector is connected with the electrical receptacle connector, the multiple plug terminals may contact the multiple receptacle terminals and are conducted.Type: ApplicationFiled: August 29, 2018Publication date: March 7, 2019Applicant: Advanced Connectek Inc.Inventors: Pin-Yuan HOU, Wen-Hsien TSAI, Shuang-Xi XIAO
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Publication number: 20190018193Abstract: A polarization converter based on taking a high-order TE mode as a transition mode comprises a ridge waveguide (1) and a slab waveguide (2) that are arranged in double layers and varying in width, and a strip waveguide (4) which is varying in width. The ridge waveguide (1) is disposed on the upper end face of the slab waveguide (2), and is aligned with two ends of the slab waveguide (2). The right end of the ridge waveguide (1) and the slab waveguide (2) are connected with the strip waveguide (4) with the varying width. A TM0 mode enters from the left ends of the ridge waveguide and the slab waveguide, and is converted into a TE0 mode for output. On the contrary, the TE0 mode enters from the right end of the strip waveguide and is converted into the TM0 mode for output.Type: ApplicationFiled: December 7, 2016Publication date: January 17, 2019Inventors: Daigao Chen, Xi XIAO, Lei WANG, Ying Qiu, Miaofeng LI, Lei Liu, Qi Yang, Shaohua Yu
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Publication number: 20180372957Abstract: A broadband polarization beam splitter/combiner based on a gradient waveguide directional coupler, comprises a gradient waveguide directional coupler, a beam combining end (1), a curved waveguide (5), a TE mode end (6) and a TM mode end (7). The coupler consists of a straight end gradient waveguide (2) and a serial end gradient waveguide (3). The trend of change of the gradient waveguide (2) is opposite to the gradient waveguide (3), and a gap is provided between the gradient waveguide (2) and the gradient waveguide (3). The beam combining end (1) is connected with one end of the gradient waveguide (2), the other end of the gradient waveguide (2) is connected with one end of the curved waveguide (5), the other end of the curved waveguide (5) is connected with the TE end (6), and the waveguide (3) is connected with the TM end (7).Type: ApplicationFiled: December 7, 2016Publication date: December 27, 2018Inventors: Lei Wang, Daigao Chen, Xi Xiao, Miaofeng Li, Ying Qiu