Patents by Inventor Xiao Cheng
Xiao Cheng 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: 20210394051Abstract: A game server switching method, applied to a game server switching system, is provided, the game server switching system including a load balancer, a network-layer access subsystem, a network-layer proxy subsystem, a game logic subsystem, and a role login management server. A communication connection is established between the network-layer access subsystem and the second game server based on the route switching request message. A write-back request is sent by the first game server to the role login management server. User role data are sent by the role login management server to the second game server based on the write-back request. In response to obtaining the user role data from the role login management server, the game data are sent by the second game server to the game client by using the network-layer proxy subsystem, the network-layer access subsystem, and the load balancer.Type: ApplicationFiled: August 30, 2021Publication date: December 23, 2021Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LTDInventors: Lin LIU, Xiao Cheng Ding
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Patent number: 11110347Abstract: A game server switching method, applied to a game server switching system, is provided, the game server switching system including a load balancer, a network-layer access subsystem, a network-layer proxy subsystem, a game logic subsystem, and a role login management server. A communication connection is established between the network-layer access subsystem and the second game server based on the route switching request message. A write-back request is sent by the first game server to the role login management server. User role data are sent by the role login management server to the second game server based on the write-back request. In response to obtaining the user role data from the role login management server, the game data are sent by the second game server to the game client by using the network-layer proxy subsystem, the network-layer access subsystem, and the load balancer.Type: GrantFiled: March 15, 2019Date of Patent: September 7, 2021Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LTDInventors: Lin Liu, Xiao Cheng Ding
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Publication number: 20210203147Abstract: A longitudinal differential protection method for a transformer comprises: calculating a corrected parameter of a transformer according to a voltage and electrical parameters of the transformer, wherein the electrical parameters of the transformer comprise a rated capacity of the transformer, and the corrected parameter of the transformer comprise a capacity of the transformer.Type: ApplicationFiled: May 29, 2019Publication date: July 1, 2021Inventors: Qiaogen Gu, Xiaoyu Zhang, Jifeng Wen, Hang Lv, Pinhao Mo, Chao Zheng, Xiao Gong, Zhongmin Sun, Xiao Cheng
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Patent number: 10575679Abstract: An electrical appliance has a base with a housing portion and a cooking chamber portion. The housing portion includes a pre-heated air intake opening and a heated air exhaust opening with an air path in communication therebetween. The air path has an air blower and an air heater disposed there-in. The cooking chamber portion has an electrical socket and is adapted to receive, one at a time, an air-frying chamber and a deep-frying chamber. The air-frying chamber has a heated air intake opening in communication with the housing portion's heated air exhaust opening when the air-frying chamber is received by the cooking chamber portion. The deep-frying chamber has an oil heating element electrically engageable with the electrical socket when the deep-frying chamber is received by the cooking chamber portion.Type: GrantFiled: May 28, 2019Date of Patent: March 3, 2020Inventors: Xiao Cheng, Uri Murad, Laurent Bardot
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Publication number: 20200038380Abstract: Disclosed is use of amlexanox or a salt thereof or a solvate thereof in preparation of a drug having an inhibitory action on the smooth muscle cells, in particular a drug for preventing and treating vascular restenosis. Further disclosed is a medical device, particularly a drug stent, the surface of which is distributed with amlexanox or the salt thereof or the pharmaceutical composition thereof. Amlexanox has an activity in inhibition of the proliferation of smooth muscle cells, has a low inhibitory property of the endothelial cell growth, is particularly suitable for applying on a medical device to prevent the incidence of vascular restenosis, while not delaying the repair of endothelium.Type: ApplicationFiled: September 7, 2017Publication date: February 6, 2020Applicant: Shanghai Microport Medical (Group) Co., Ltd.Inventors: Lu CHEN, Junfei LI, Fei CHEN, Xiao CHENG
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Publication number: 20200016364Abstract: The invention discloses a functional electrical stimulation device including a headset, an electrical stimulation patch, an LED display screen, a circuit board, a rechargeable battery and a wireless terminal, and a method for using same. Two headphone bodies are symmetrically disposed on the headset, the circuit board and rechargeable battery are respectively mounted on the headphone bodies, and a music control button and an electrical stimulation mode and time control button are mounted on the two headphone bodies respectively. Two electrical stimulation patches are mounted on a middle portion of the headset, two LED display screens are respectively mounted on the two electrical stimulation patches. An audio decoder chip, a button control module, a power switch, an electrical stimulation generation module, a wireless communications module and a charging port are disposed on the circuit board, and the wireless terminal is independently disposed and in wireless communication with the circuit board.Type: ApplicationFiled: December 18, 2017Publication date: January 16, 2020Inventors: Shaolong KUANG, Xiao CHENG, Yinfang FANG, Yucun TANG, Fangxia LI, Shuai WU, Shumei YU
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Publication number: 20190209921Abstract: A game server switching method, applied to a game server switching system, is provided, the game server switching system including a load balancer, a network-layer access subsystem, a network-layer proxy subsystem, a game logic subsystem, and a role login management server. A communication connection is established between the network-layer access subsystem and the second game server based on the route switching request message. A write-back request is sent by the first game server to the role login management server. User role data are sent by the role login management server to the second game server based on the write-back request. In response to obtaining the user role data from the role login management server, the game data are sent by the second game server to the game client by using the network-layer proxy subsystem, the network-layer access subsystem, and the load balancer.Type: ApplicationFiled: March 15, 2019Publication date: July 11, 2019Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Lin Liu, Xiao Cheng Ding
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Publication number: 20190164699Abstract: Semiconductor devices including a cathode layer, an anode layer, an active layer disposed between the cathode layer and the anode layer, wherein the active layer includes a perovskite layer, and a passivation layer disposed directly on a surface of the active layer between the cathode layer and the active layer, the passivation layer including a zwitterionic amino acid, such as valine or phenylalanine or other amino acid that passivates both cationic and anionic defects in the surface of the active layer.Type: ApplicationFiled: January 15, 2019Publication date: May 30, 2019Inventors: Xiao Cheng Zeng, Jinsong Huang, Dai Jun, Shuang Yang
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Publication number: 20180303285Abstract: The present invention discloses an air fryer, which comprises a fryer housing, a first chamber and a second chamber, wherein the first chamber is communicated with the second chamber, a bottom of the first chamber is provided with an air exhaust and a top of the second chamber is provided with an air intake; a heating element, which is arranged in the second chamber; a cross flow fan, which is located in the second chamber, wherein the cross flow fan comprises an impeller with a horizontal axis, and when the cross flow fan is in operation, air passes through the air intake horizontally and exits the air exhaust horizontally. The air fryer disclosed in the present invention is able to enhance the thermal cycle efficiency and the food could be heated even, crispy and tasting good.Type: ApplicationFiled: December 6, 2017Publication date: October 25, 2018Inventor: Xiao Cheng
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Publication number: 20180254362Abstract: Perovskite materials useful in the manufacture of photovoltaic cells are provided. The perovskite materials have the formula AB?0.5B?0.5X3 or A?0.5A?0.5B?0.5B?0.5X3, wherein A, A?, and A? are organic or inorganic cations, X is a halogen ion, B? is tin, and B? is germanium. Embodiments of the mixed tin and germanium halide perovskite materials possess a direct bandgap within the optimal range of 0.9-1.6 eV and have an optical absorption spectrum that is comparable to the state-of-the-art methylammonium lead iodide perovskites. The perovskite materials provided herein have been formulated to be lead-free.Type: ApplicationFiled: March 1, 2018Publication date: September 6, 2018Applicants: Brown University, NUtech VenturesInventors: Xiao Cheng Zeng, Minggang Ju, Nitin Padture, Yuanyuan Zhou, Min Chen
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Patent number: 8443332Abstract: A program calling system includes a memory, an interface establishing unit, a detecting unit, and a calling unit. The memory stores functions for PCB layout design. Each function corresponds to a path and a name, and can be accessed via the corresponding path and name. The interface establishing unit establishes a user interface. The user interface includes a first area for displaying the names of the functions. A one to one relationship exists between the names and the paths of the functions. The detecting unit detects whether a calling signal is generated, and obtains a name of a to-be-called function when the calling signal is generated. The calling unit responds to the calling signal to obtain a path of the to-be-called function according to the name of the to-be-called function and the one to one relationship, and call the to-be-called function according to the obtained path and name.Type: GrantFiled: July 21, 2010Date of Patent: May 14, 2013Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventor: Xiao-Cheng Sheng
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Patent number: 8407648Abstract: A computer-implemented method for component arrangement in a PCB layout device is provided. The device includes wiring diagrams. First, generates a PCB encapsulation diagram corresponding to the selected wiring diagram. Then, obtains the coordinates of each electronic component in the selected wiring diagram. Next, generates a prompt to prompt the user to select a reference point in the PCB encapsulation diagram. Then, obtains the coordinates of the reference point. Next, determines an abscissa difference and an ordinate difference between one component in the wiring diagram and the reference point. Then, determines the coordinates of each encapsulated component in the PCB encapsulation diagram according to the abscissa difference, the ordinate difference, and the coordinates of each electronic component in the wiring diagram. And last, moves each encapsulated component to the determined corresponding coordinates of each encapsulated component in the PCB encapsulation diagram.Type: GrantFiled: April 28, 2011Date of Patent: March 26, 2013Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventor: Xiao-Cheng Sheng
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Patent number: 8370790Abstract: A computer aided design system comprises an interface creating module, a selecting module, a filling module and a measuring module. The interface module creates a user interface to display the design on the screen of the device with a plurality of to-be-checked patterns. The selecting module selects a pattern. The interface module further creates a parameter setting interface. The parameters comprises a predetermined width, the space value between the adjacent parallel filled lines and the rotation degree of the selected pattern. The filling module draws filled lines in the selected pattern according to the parameters. The measuring module detects whether the length of each filled line is at least the predetermined width value, if the length of the filled line is less than the predetermined width value, the dimension of the selected pattern is unqualified and the measuring module highlights the filled lines.Type: GrantFiled: May 5, 2011Date of Patent: February 5, 2013Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventor: Xiao-Cheng Sheng
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Patent number: 8255863Abstract: A printed circuit board layout system and a method thereof are provided. The method includes the following steps: obtaining the outline information, the boundary information, and the auxiliary line information, when a command for recording position information of points within each of the boundaries is input; obtaining position information of the points within each of the boundaries; setting corresponding height values as height limit of height restriction areas corresponding to the points within each of the boundaries.Type: GrantFiled: May 31, 2010Date of Patent: August 28, 2012Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventor: Xiao-Cheng Sheng
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Publication number: 20120216170Abstract: A computer-implemented method for component arrangement in a PCB layout device is provided. The device includes wiring diagrams. First, generates a PCB encapsulation diagram corresponding to the selected wiring diagram. Then, obtains the coordinates of each electronic component in the selected wiring diagram. Next, generates a prompt to prompt the user to select a reference point in the PCB encapsulation diagram. Then, obtains the coordinates of the reference point. Next, determines an abscissa difference and an ordinate difference between one component in the wiring diagram and the reference point. Then, determines the coordinates of each encapsulated component in the PCB encapsulation diagram according to the abscissa difference, the ordinate difference, and the coordinates of each electronic component in the wiring diagram. And last, moves each encapsulated component to the determined corresponding coordinates of each encapsulated component in the PCB encapsulation diagram.Type: ApplicationFiled: April 28, 2011Publication date: August 23, 2012Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.Inventor: XIAO-CHENG SHENG
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Patent number: 8250516Abstract: A method for merging polygons of a printed circuit board layout system is provided. The system generates PCB files according to the input wiring diagram, and generates polygons and records the profile attributes of each of the generated polygons. The method includes obtaining the profile attributes in response to user input. Then storing the obtained profile attributes and selecting two profile attributes. Then determining whether the polygons are overlapping and recording a new file attribute describing the shape of a new polygon of the two polygons combined shape excluding the lines indicating the overlapping portions of the two polygons. Finally, updating the opened PCB file with the new profile attribute if the polygons are overlapping. A related system is also provided.Type: GrantFiled: May 27, 2010Date of Patent: August 21, 2012Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventor: Xiao-Cheng Sheng
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Patent number: 8245181Abstract: A printed circuit board layout system and a method thereof are provided. The method includes the following steps: obtaining corresponding outlines of selected component and unselected components in response to a user selecting one component; obtaining the range value; generating a reference outline according to the obtained range value and outline of the selected component; performing an intersection operation according to the reference outline and outlines of the unselected components, and determining whether one component is associated within the reference outline; marking and displaying the outlines of the corresponding unselected components when the unselected components are associated within the reference outline.Type: GrantFiled: June 11, 2010Date of Patent: August 14, 2012Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventor: Xiao-Cheng Sheng
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Patent number: 8201135Abstract: A method for managing error information of a printed circuit board layout system is provided. The system provides an error file recording names of all the errors to be displayed in wiring diagrams, generates wiring diagram files, outputs a first user interface showing one wiring diagram. Each of the wiring diagram files includes an attribute table for describing error information. The attribute table comprises the names and the set of coordinates. The method comprises obtaining the error file and the attribute table, outputting a second user interface comprising a first display area and a second display area, outputting the name in the first display area, analyzing the obtained attribute table to provide a classifying table. Then outputting one selected name and at least one set of coordinates corresponding to the one selected name in the second display area according to the classifying table. A related system is also provided.Type: GrantFiled: May 17, 2010Date of Patent: June 12, 2012Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventor: Xiao-Cheng Sheng
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Publication number: 20120042297Abstract: A computer aided design system comprises an interface creating module, a selecting module, a filling module and a measuring module. The interface module creates a user interface to display the design on the screen of the device with a plurality of to-be-checked patterns. The selecting module selects a pattern. The interface module further creates a parameter setting interface. The parameters comprises a predetermined width, the space value between the adjacent parallel filled lines and the rotation degree of the selected pattern. The filling module draws filled lines in the selected pattern according to the parameters. The measuring module detects whether the length of each filled line is at least the predetermined width value, if the length of the filled line is less than the predetermined width value, the dimension of the selected pattern is unqualified and the measuring module highlights the filled lines.Type: ApplicationFiled: May 5, 2011Publication date: February 16, 2012Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) Co. LTD.Inventor: XIAO-CHENG SHENG
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Patent number: 8117586Abstract: A method for automatically checking signal areas includes: recording etching line information of etching lines which divide an internal plane of an opened PCB file into a plurality of signal areas, recording input signal names and positions where the input signal names are arranged, obtaining the outline information of the opened internal plane and the etching line information, obtaining position information of points within each signal areas according to the outline information and the etching line information, determining whether one signal area is associated with one input signal name, determining whether the one input signal name matches one standard signal name, and setting one input signal name as a name attribute of the signal area associated with the one input signal name if the one input signal name matches one standard signal name. A related PCB system is also provided.Type: GrantFiled: July 13, 2010Date of Patent: February 14, 2012Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventor: Xiao-Cheng Sheng