Patents by Inventor Dong Ma
Dong Ma 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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Artificial intelligence-based medical image processing method and medical device, and storage medium
Patent number: 11941807Abstract: The present disclosure provides an artificial intelligence-based (AI-based) medical image processing method performed by a computing device, and a non-transitory computer-readable storage medium. The AI-based medical image processing method includes: processing a medical image to generate an encoded intermediate image; processing the encoded intermediate image, to segment a first feature and generate a segmented intermediate image; processing the encoded intermediate image and the segmented intermediate image based on an attention mechanism, to generate a detected intermediate input image; and performing second feature detection on the detected intermediate input image, to determine whether an image region of the detected intermediate input image in which the first feature is located comprises a second feature.Type: GrantFiled: October 15, 2021Date of Patent: March 26, 2024Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Fubo Zhang, Dong Wei, Kai Ma, Yefeng Zheng -
Publication number: 20240082846Abstract: A gene sequencing reaction device, a gene sequencing system and a gene sequencing reaction method. The gene sequencing reaction device includes: a supporting platform; a dipping container disposed on the supporting platform, wherein the dipping container has a dipping reaction area, and the dipping reaction area is configured to hold a chemical reagent for gene sequencing reaction, so as to dip a sequencing chip having a DNA sample loading structure on the surface and having a DNA sample loaded thereon in the chemical reagent to perform a gene sequencing reaction; a temperature control apparatus, configured to control the temperature of the chemical reagent in the dipping reaction area; and a transfer apparatus, configured to insert the sequencing chip into the dipping reaction area or pull out the sequencing chip from the dipping reaction area.Type: ApplicationFiled: November 21, 2023Publication date: March 14, 2024Applicant: MGI Tech Co., LTD.Inventors: Wei Ma, Xun Xu, Jiabo Wu, Ming Ni, Dong Wei, Jiansheng Tang
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Patent number: 11920474Abstract: Provided are a protecting trolley and a construction method of rock burst prewarning protection system in non-contact tunnel construction. The protecting trolley includes a framework, a walking assembly, a rockfall buffering assembly, a spraying assembly and a rock burst prewarning system. The rockfall buffering assembly includes an arch frame in a fixed connection with the framework and a protecting net fixed on the arch frame. The spraying assembly includes a track car in connection with the rockfall buffering assembly and a spraying hose fixed on the track car, and the spraying hose sprays towards the surrounding rock. The rock burst prewarning assembly includes a thermosensitive infrared sensor used for detecting the temperature of the surrounding rock and a highly sensitive laser sensor used for detecting the deformation of the surrounding rock.Type: GrantFiled: January 17, 2022Date of Patent: March 5, 2024Assignees: CHINA RAILWAY 16TH BUREAU GROUP CO., LTD., CHINA RAILWAY 16TH BUREAU GROUP BEIJING JIANGONG MACHINERY CO., LTD.Inventors: Dong Ma, Wuxian Wang, Yi Sun, Qinghong Wu, Binhua Wu, Huaxuan Xu
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Patent number: 11912595Abstract: The present invention relates to a groundwater circulation well system with pressure-adjustable hydrodynamic cavitation, including a circulation well body, a sucked and injected water circulation assembly and a hydrodynamic cavitator. The sucked and injected water circulation assembly is based on a water suction and injection pump. The hydrodynamic cavitator is provided, inside a vortex chamber, with a vortex water inlet column capable of changing a water passing aperture. The hydrodynamic cavitator is capable of changing a bubbling pressure and a breaking pressure of hydrodynamic cavitation bubbles in the vortex water inlet column. The hydrodynamic cavitator generates vortices in the circulation well body to accelerate uniform mixing of a remediation agent and the groundwater. Energy from collapsing and bursting of the hydrodynamic cavitation bubbles activates the remediation agent such that contaminants in the groundwater are efficiently degraded.Type: GrantFiled: February 22, 2023Date of Patent: February 27, 2024Assignee: CHENGDU UNIVERSITY OF TECHNOLOGYInventors: Shengyan Pu, Hui Ma, Yuming He, Xiaoguang Wang, Guangyong Zeng, Yi Chen, Dong Yu, Wenwen Ji
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Publication number: 20240056721Abstract: The present disclosure provides an earphone and an earphone assembly. The earphone includes a housing, a bracket inside the housing, and a sound unit inside the housing. The housing has a first hole and a second hole. The bracket has a channel. The channel includes a slot section and a hole section. The section includes an opening, a first port and a second port. An inner wall of the housing blocks the opening, the first port is in connection with the first hole, and the second port is in connection with the second hole. The hole section has a first end in connection with the slot section and a second end in connection with the sound unit. The bracket is between the housing and the sound unit.Type: ApplicationFiled: November 30, 2022Publication date: February 15, 2024Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventors: Dong MA, Mengyang WANG
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Publication number: 20240019175Abstract: A solar tracker system comprising a plurality of on sun trackers and a plurality of off sun tracker. Each tracker is selectively adjusted to achieve a desired power output of the solar power plant system in an example.Type: ApplicationFiled: August 4, 2023Publication date: January 18, 2024Inventors: Yu Dong Ma, Yang Lui, Francesco Borrelli, Allan Daly, Ricardo Delgado-Nanez, Alexander W. Au
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Patent number: 11856122Abstract: An electronic device is provided. A lateral fingerprint recognition apparatus is in contact with a function button. An accommodating structure is arranged in the lateral fingerprint recognition apparatus. A stopping assembly is arranged on a side of a fingerprint hole close to the function button. Inserting a partial area of the stopping assembly into the accommodating structure enables the lateral fingerprint recognition apparatus, when pressed, to move in movement space of the accommodating structure on the side of the fingerprint hole close to the function button, so as to limit a displacement amount of the lateral fingerprint recognition apparatus within a specific range, implementing the functions of the lateral fingerprint recognition apparatus and of the function button, and preventing the lateral fingerprint recognition apparatus from being displaced from the originally designed position.Type: GrantFiled: May 9, 2020Date of Patent: December 26, 2023Assignee: Honor Device Co., Ltd.Inventors: Guotong Zhou, Dong Ma, Xinwen Xu, Yan Wang
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Publication number: 20230408880Abstract: The present invention relates to a TFT liquid crystal display, more specifically, to a cholesteric liquid crystal display employing both field-induced nematic vertical alignment texture and field-induced eddy alignment texture as video astable states and cholesteric planer texture and focal conic texture as power-free bistable states. Thus, the display provides not only video speed motion pictures with unlimited grayscale but also excellent static images.Type: ApplicationFiled: June 16, 2022Publication date: December 21, 2023Inventors: Yao-Dong Ma, Lilya Darlene Ma, Blair Ma
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Patent number: 11827197Abstract: A braking method for a vehicle is provided. The method includes the following steps: obtaining a first state information of the vehicle, where the first state information includes a vehicle mass and a deceleration required by braking; calculating a braking torque required by the vehicle according to the first state information, and controlling an output of an electric braking torque according to the braking torque required by the vehicle; obtaining a current gradient and a current vehicle speed of the vehicle; and determining whether to control the vehicle to unload the electric braking torque, and whether to control the vehicle to apply a mechanical braking torque according to the current vehicle speed, the braking torque required by the vehicle, the deceleration required by braking, and the current gradient. A braking device for a vehicle and a vehicle are further provided.Type: GrantFiled: August 27, 2020Date of Patent: November 28, 2023Assignee: BYD COMPANY LIMITEDInventors: Daolin Li, Lu Wang, Dong Ma
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Publication number: 20230345160Abstract: Provided are a wireless headset, an assembly method, an electronic device and a storage medium. The wireless headset includes a housing, a mainboard and a pressure sensitive component. The housing includes: a first chamber defined in a head portion of the wireless headset, and a second chamber defined in a rod portion of the wireless headset and in communication with the first chamber. The mainboard includes: a first circuit board disposed in the first chamber, a second circuit board disposed in the second chamber and provided with a relief portion, and an adapter circuit board disposed in the housing and configured to connect the first circuit board with the second circuit board. The pressure sensitive component is disposed in the second chamber and between the relief portion and the housing.Type: ApplicationFiled: August 30, 2022Publication date: October 26, 2023Inventor: Dong MA
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Patent number: 11752987Abstract: A vehicle and a braking method and a device therefor are provided. The method includes the following steps: obtaining a first state information of the vehicle, where the first state information includes a vehicle mass and a deceleration required by braking; calculating a braking torque required by the vehicle according to the first state information, and controlling the vehicle to output an electric braking torque according to the braking torque required by the vehicle; obtaining a current vehicle speed of the vehicle and an electric braking exit protection speed; and calculating an electric braking exit speed according to the braking torque required by the vehicle and the deceleration required by braking, and controlling the vehicle to unload the electric braking torque when the current vehicle speed is less than a larger one of the electric braking exit speed and the electric braking exit protection speed.Type: GrantFiled: August 27, 2020Date of Patent: September 12, 2023Assignee: BYD COMPANY LIMITEDInventors: Dong Ma, Lu Wang, Daolin Li
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Patent number: 11739986Abstract: A solar tracker system comprising a plurality of on sun trackers and a plurality of off sun tracker. Each tracker is selectively adjusted to achieve a desired power output of the solar power plant system in an example.Type: GrantFiled: February 25, 2021Date of Patent: August 29, 2023Assignee: NEXTRACKER LLCInventors: Yu Dong Ma, Yang Liu, Francesco Borrelli, Allan Daly, Ricardo Delgado-Nanez, Alexander W. Au
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Patent number: 11713427Abstract: The present invention relates to a gasification burner comprising a main burner, N-stage sub-burners arranged on the inner side of the main burner, where N is an integer greater than or equal to 1, the main burner and each stage of the sub-burners have independent fuel channels and oxidant channels respectively, the main burner and each stage of the sub-burners are arranged in a coaxial sleeves from outside to inside; the inner diameter of the main burner is larger than the outer diameter of the first stage of the sub-burners, and the inner diameter of each stage of the sub-burners is larger than the outer diameter of its next stage of the sub-burners; the gasification burner can ensure fuels and oxidants to be mixed fully and evenly in limited reaction space and residence time, accelerate combustion reaction rate, thereby improving fuel conversion rate and gasification performance; meanwhile, it can flexibly adjust flame shape without reducing the load of gasifier furnace by adjusting the load of the main buType: GrantFiled: July 5, 2017Date of Patent: August 1, 2023Assignee: CHANGZHENG ENGINEERING CO., LTD.Inventors: Shuanzhu Chen, Dong Ma, Jinjun Guo, Yan Zhang, Quan Zhou, Zhihong Ge, Xuezhi Zhang, Congbin Jiang
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Publication number: 20230171174Abstract: An approach is provided in which the approach constructs a detection packet that includes a time to live indicator. The approach sends the detection packet from a virtual machine to one of multiple virtual network devices, wherein the virtual network device recognizes the detection packet based on the time to live indicator. The approach determines a network fault point based on receiving a notification packet from one of the multiple virtual network devices, and reports one of the multiple network interface devices that causes the network fault point.Type: ApplicationFiled: November 29, 2021Publication date: June 1, 2023Inventors: Zhi Chang, Gang Tang, Xiang Juan Meng, Xin Huang, Dong Ma
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Publication number: 20230013384Abstract: Provided herein is a reverse transcriptase mixture comprising a reverse transcriptase and a colored dye at a concentration in the range of 0.003%-1% (v/w). The colored dye may be visually observed during transfer of the mix from one vessel to another and addition of the mix to another mix can be confirmed by eye by observing the colored dye.Type: ApplicationFiled: September 28, 2022Publication date: January 19, 2023Applicant: New England Biolabs, Inc.Inventors: Guoping Ren, Yan Xu, Dong Ma, Nicole Nichols
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Publication number: 20220396646Abstract: A method for preparing an olefin-olefinic alcohol copolymer and an olefin-olefinic alcohol copolymer prepared by the method are provided. The catalyst used in the method for preparing the olefin-olefinic alcohol copolymer has a diimine metal complex as shown in Formula I.Type: ApplicationFiled: October 30, 2020Publication date: December 15, 2022Inventors: Rong GAO, Jingjing LAI, Zifang GUO, Qingqiang GOU, Junling ZHOU, Wenbo SONG, Xinyang LI, Xiaofan ZHANG, Jie LIN, Dongbing LIU, Junhui ZHANG, Hongtao WANG, Shijun ZHANG, Yuanning GU, Jingyan AN, Hui ZHAO, Tingjie HUANG, Dong MA, Ruen WANG, Shiyuan XU, Jie FU
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Patent number: 11528543Abstract: A terminal device and a sound-emitting apparatus arranged in the terminal device, where the terminal device includes a housing, a display is arranged on a surface of the housing, a notch is formed at an end of the display, and a camera system is arranged inside the housing. The camera system is arranged opposite to the notch in a direction perpendicular to the display, and a camera of the camera system is located inside the notch. A through-hole is arranged opposite to an opening of the notch in the housing in a direction parallel to the display.Type: GrantFiled: September 30, 2018Date of Patent: December 13, 2022Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Bangshi Yin, Fan Yang, Dong Ma, Kangle Xue, Bin Yan
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Publication number: 20220377162Abstract: This application relates to the field of electronic device technologies, and in particular, to an electronic device. The electronic device includes a housing, a camera module, and a decorative part. The housing is provided with a mounting hole. The camera module includes a lens and a module body connected to the lens. The decorative part includes a decorative part body and a skirt structure connected to the decorative part body. The decorative part body is disposed on the periphery of the lens and disposed in the mounting hole. The skirt structure is provided with a notch. The notch is opposite to the module body. An orthographic projection of a part of the module body opposite to the notch onto a plane of the skirt structure does not fall into the skirt structure.Type: ApplicationFiled: February 1, 2021Publication date: November 24, 2022Inventors: Dong Ma, Xinwen Xu, Kuan Lu, Yan Lv
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Publication number: 20220340013Abstract: A braking method includes: obtaining a first state information of the vehicle, which includes a vehicle mass and a deceleration required by braking; calculating a braking torque according to the first state information, and controlling the vehicle to output an electric braking torque according to the braking torque; obtaining a current vehicle speed and a mechanical braking application delay time; calculating an electric braking exit speed according to the braking torque required by the vehicle and the deceleration required by braking; calculating a mechanical braking application speed according to the mechanical braking application delay time, the deceleration required by braking, and the electric braking exit speed; and determining whether to control the vehicle to unload the electric braking torque, and whether to control the vehicle to apply a mechanical braking torque according to the current vehicle speed, the electric braking exit speed, and the mechanical braking application speed.Type: ApplicationFiled: August 27, 2020Publication date: October 27, 2022Inventors: Dong MA, Lu WANG, Daolin LI
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Publication number: 20220340108Abstract: A vehicle and a braking method and a device therefor are provided. The method includes the following steps: obtaining a first state information of the vehicle, where the first state information includes a vehicle mass and a deceleration required by braking; calculating a braking torque required by the vehicle according to the first state information, and controlling the vehicle to output an electric braking torque according to the braking torque required by the vehicle; obtaining a current vehicle speed of the vehicle and an electric braking exit protection speed; and calculating an electric braking exit speed according to the braking torque required by the vehicle and the deceleration required by braking, and controlling the vehicle to unload the electric braking torque when the current vehicle speed is less than a larger one of the electric braking exit speed and the electric braking exit protection speed.Type: ApplicationFiled: August 27, 2020Publication date: October 27, 2022Inventors: Dong MA, Lu WANG, Daolin LI