Patents by Inventor Xumin Wu
Xumin Wu 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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Patent number: 11856214Abstract: One or more computing devices, systems, and/or methods for video encoding are provided. For example, a video file may be segmented into at least a first portion and a second portion. The first portion may be analyzed to determine that the first portion is associated with a first level of complexity, and the second portion may be analyzed to determine that the second portion is associated with a second level of complexity. A first bitrate associated with the first level of complexity may be determined, and a second bitrate associated with the second level of complexity may be determined. The first portion may be encoded at the first bitrate to generate a first encoded portion, and the second portion may be encoded at the second bitrate to generate a second encoded portion. The first encoded portion and the second encoded portion may be assembled to generate an optimized video file.Type: GrantFiled: August 1, 2022Date of Patent: December 26, 2023Assignee: YAHOO ASSETS LLCInventors: Jian Zhou, Congxia Dai, Heri Zhao, Zhonghua Ma, Xumin Wu, Michael Chang-Ping Chen, Sagar Dattatraya Bhandare
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Patent number: 11794899Abstract: A method for controlling an unmanned aerial vehicle (UAV) includes receiving locking instruction information for locking the UAV; remotely controlling, based on the locking instruction information, a remote control device of the UAV to lock the UAV; and remotely controlling, after controlling the remote control device to lock the UAV, the remote control device to unlock the UAV.Type: GrantFiled: February 20, 2022Date of Patent: October 24, 2023Assignee: SZ DJI TECHNOLOGY CO., LTD.Inventors: Xumin Wu, Chunming Wang, Qirong Deng, Heli Zhong
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Patent number: 11703865Abstract: A method for supporting aerial operation over a surface includes obtaining a three-dimensional (3D) representation of the surface; converting the 3D representation of the surface to a two-dimensional (2D) representation of the surface; obtaining a 2D flight path of the aircraft based on the 2D representation of the surface; converting the 2D flight path to a 3D flight path including location coordinates; and controlling the aircraft to conduct a flight mission following the 3D flight path.Type: GrantFiled: May 24, 2021Date of Patent: July 18, 2023Assignee: SZ DJI TECHNOLOGY CO., LTD.Inventors: Xumin Wu, Guang Yan, Zhuang Feng, Meng Hu, Zefei Li, Mingxi Wang, Renli Shi
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Publication number: 20220377359Abstract: One or more computing devices, systems, and/or methods for video encoding are provided. For example, a video file may be segmented into at least a first portion and a second portion. The first portion may be analyzed to determine that the first portion is associated with a first level of complexity, and the second portion may be analyzed to determine that the second portion is associated with a second level of complexity. A first bitrate associated with the first level of complexity may be determined, and a second bitrate associated with the second level of complexity may be determined. The first portion may be encoded at the first bitrate to generate a first encoded portion, and the second portion may be encoded at the second bitrate to generate a second encoded portion. The first encoded portion and the second encoded portion may be assembled to generate an optimized video file.Type: ApplicationFiled: August 1, 2022Publication date: November 24, 2022Inventors: Jian Zhou, Congxia Dai, Heri Zhao, Zhonghua Ma, Xumin Wu, Michael Chang-Ping Chen, Sagar Dattatraya Bhandare
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Patent number: 11420743Abstract: An aerial dispensing method includes obtaining a wind velocity of a wind that causes a drift to a substance dispensed from an unmanned aerial vehicle (UAV), and controlling one or more components of the UAV based on the obtained wind velocity to cause at least mitigation to the drift.Type: GrantFiled: August 30, 2019Date of Patent: August 23, 2022Assignee: SZ DJI TECHNOLOGY CO., LTD.Inventors: Xumin Wu, Guang Yan, Zhuang Feng
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Patent number: 11408219Abstract: A door detection method includes controlling a door of a spreading apparatus to move toward to a preset position, obtaining first status information of an associated component of the door when the door stops moving, and determining whether the door has moved to the preset position according to the first status information and second status information. The second status information is status information of the associated component when the door is located at the preset position.Type: GrantFiled: June 4, 2020Date of Patent: August 9, 2022Assignee: SZ DJI TECHNOLOGY CO., LTD.Inventors: Xumin Wu, Zhuang Feng, Zijing Chang, Xidi Huang
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Patent number: 11405627Abstract: One or more computing devices, systems, and/or methods for video encoding are provided. For example, a video file may be segmented into at least a first portion and a second portion. The first portion may be analyzed to determine that the first portion is associated with a first level of complexity, and the second portion may be analyzed to determine that the second portion is associated with a second level of complexity. A first bitrate associated with the first level of complexity may be determined, and a second bitrate associated with the second level of complexity may be determined. The first portion may be encoded at the first bitrate to generate a first encoded portion, and the second portion may be encoded at the second bitrate to generate a second encoded portion. The first encoded portion and the second encoded portion may be assembled to generate an optimized video file.Type: GrantFiled: October 5, 2020Date of Patent: August 2, 2022Assignee: YAHOO ASSETS LLCInventors: Jian Zhou, Congxia Dai, Heri Zhao, Zhonghua Ma, Xumin Wu, Michael Chang-Ping Chen, Sagar Dattatraya Bhandare
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Publication number: 20220205162Abstract: A washing powder feeding device includes a frame, a water pipe, a powder feeding mechanism and a vortex tube body respectively assembled on the frame. The vortex tube body is defined with a first cylindrical cavity, an intermediate truncated cone cavity and a second cylindrical cavity from top to bottom, the first cylindrical cavity has a larger diameter than the second cylindrical cavity, a water inlet is formed on a side wall of the vortex tube body and communicated with and tangent to the first cylindrical cavity, the water pipe is communicated with the water inlet, and the powder feeding mechanism is configured to feed washing powder into the first cylindrical cavity. The device can effectively prevent the dissolved washing powder from adhering onto the pipeline to cause clogging of the pipeline, thereby ensuring the washing reliability.Type: ApplicationFiled: November 1, 2021Publication date: June 30, 2022Inventor: Xumin Wu
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Publication number: 20220169384Abstract: A method for controlling an unmanned aerial vehicle (UAV) includes receiving locking instruction information for locking the UAV; remotely controlling, based on the locking instruction information, a remote control device of the UAV to lock the UAV; and remotely controlling, after controlling the remote control device to lock the UAV, the remote control device to unlock the UAV.Type: ApplicationFiled: February 20, 2022Publication date: June 2, 2022Inventors: Xumin WU, Chunming WANG, Qirong DENG, Heli ZHONG
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Patent number: 11345472Abstract: An unmanned aerial vehicle (UAV) includes a housing forming a central body of the UAV and including an internal compartment, one or more electrical components disposed within the internal compartment and configured to affect operation of the UAV, and an inertial measurement unit (IMU) disposed in an external compartment external to the central body. The IMU is isolated from the internal compartment such that a barometric pressure in the external compartment is independent of a barometric pressure in the internal compartment.Type: GrantFiled: April 2, 2020Date of Patent: May 31, 2022Assignee: SZ DJI TECHNOLOGY CO., LTD.Inventors: Jiyuan Ao, Xumin Wu, Tingting Wang, Zhuang Feng, Sungki Lee
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Patent number: 11338307Abstract: A spray-head assembly includes a pipe structure and a valve-spool. The pipe structure includes a liquid inlet, a flow pathway, and a valve-port. The flow pathway includes an air-flow pathway arranged obliquely with respect to a central axis of the liquid inlet. A bottom end of the air-flow pathway communicates with the liquid inlet. The valve-port is arranged at a top end of the air-flow pathway. The valve-spool is arranged in the flow pathway and configured to control opening and closing of the valve-port.Type: GrantFiled: October 16, 2018Date of Patent: May 24, 2022Assignee: SZ DJI TECHNOLOGY CO., LTD.Inventors: Zhiliang Jin, Xumin Wu, Xiaolong Wu, Chuoying Lu, Le Zhou
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Patent number: 11254428Abstract: A method for controlling an unmanned aerial vehicle (“UAV”) includes receiving locking instruction information from a user terminal for locking the UAV. The method also includes transmitting a locking command to a remote control device of the UAV based on the locking instruction information, to instruct the remote control device to lock the UAV based on the locking command.Type: GrantFiled: May 21, 2019Date of Patent: February 22, 2022Assignee: SZ DJI TECHNOLOGY CO., LTD.Inventors: Xumin Wu, Chunming Wang, Qirong Deng, Heli Zhong
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Publication number: 20210380238Abstract: An unmanned aerial vehicle (UAV) includes a central body, a plurality of arms extending out from the central body, and a plurality of propulsion units. Each arm of the plurality of arms includes a stem portion including a stem interior space, one or more branch portions each including a branch interior space, and a joint connecting the stem portion and the one or more branch portions. The joint includes a joint interior space and is configured to move the one or more branch portions relative to the stem portion. Each propulsion unit is attached to a corresponding arm of the plurality of arms. The stem interior space, the branch interior space, and the joint interior space are configured to provide an internal passageway to permit electrical routing between the central body and the plurality of propulsion units.Type: ApplicationFiled: August 16, 2021Publication date: December 9, 2021Inventors: Xumin WU, Xiaolong WU, Sungki LEE, Jiyuan AO, Zhuang FENG
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Publication number: 20210333794Abstract: A method for supporting aerial operation over a surface includes obtaining a representation of the surface that comprises a plurality of flight sections, and identifying a flight path based on the representation of the surface. The flight path allows an aircraft, when following the flight path, to conduct an operation over the flight sections.Type: ApplicationFiled: May 24, 2021Publication date: October 28, 2021Inventors: Xumin WU, Guang YAN, Zhuang FENG, Meng HU, Zefei LI, Mingxi WANG, Renli SHI
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Patent number: 11105894Abstract: A weak target detection method includes transmitting a plurality of frequency modulated continuous wave signals during rotation of a microwave radar sensor, receiving a plurality of echo signals reflected by a weak target, accumulating the plurality of echo signals in a beam width of the microwave radar sensor to obtain an accumulated echo signal, and determining position information of the weak target according to the accumulated echo signal.Type: GrantFiled: June 3, 2020Date of Patent: August 31, 2021Assignee: SZ DJI TECHNOLOGY CO., LTD.Inventors: Junxi Wang, Chunming Wang, Xumin Wu, Renli Shi
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Patent number: 11091262Abstract: An unmanned aerial vehicle (UAV) includes a central body, a plurality of arms extending out from the central body and in fluid communication with the central body, and a plurality of propulsion units. The plurality of arms are configured to route fluid away from the central body of the UAV. Each propulsion unit attached to a corresponding arm of the plurality of arms.Type: GrantFiled: November 11, 2019Date of Patent: August 17, 2021Assignee: SZ DJI TECHNOLOGY CO., LTD.Inventors: Xumin Wu, Xiaolong Wu, Sungki Lee, Jiyuan Ao, Zhuang Feng
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Patent number: 11067990Abstract: An operation method of an unmanned aerial vehicle (UAV) includes determining a distance between the UAV and a ground reflector in front of the UAV by using a radar wave emitted obliquely downward by a radar carried by the UAV, determining terrain information in front of the UAV according to the distance between the UAV and the ground reflector in front of the UAV, and adjusting one or more operation parameters of the UAV according to the terrain information.Type: GrantFiled: December 26, 2018Date of Patent: July 20, 2021Assignee: SZ DJI TECHNOLOGY CO., LTD.Inventors: Xumin Wu, Chunming Wang
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Patent number: 11016488Abstract: A method for supporting aerial operation over a surface includes obtaining a representation of the surface that comprises a plurality of flight sections, and identifying a flight path based on the representation of the surface. The flight path allows an aircraft, when following the flight path, to conduct an operation over the flight sections.Type: GrantFiled: January 3, 2019Date of Patent: May 25, 2021Assignee: SZ DJI TECHNOLOGY CO., LTD.Inventors: Xumin Wu, Guang Yan, Zhuang Feng, Meng Hu, Zefei Li, Mingxi Wang, Renli Shi
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Patent number: 11014668Abstract: An agricultural unmanned aerial vehicle (UAV) includes a fuselage, a flight power apparatus, a plurality of spray nozzles, a plurality of water pumps, and a controller. The flight power apparatus is mounted at the fuselage. The plurality of spray nozzles are installed below the flight power apparatus. The plurality of water pumps are connected to the plurality of spray nozzles and configured to deliver liquid to the spray nozzles. The controller is electrically coupled to the plurality of water pumps, and configured to selectively control one or more of the plurality of water pumps to pump the liquid to one or more of the spray nozzles connected to the one or more of the water pumps.Type: GrantFiled: September 4, 2018Date of Patent: May 25, 2021Assignee: SZ DJI TECHNOLOGY CO., LTD.Inventors: Xiaolong Wu, Xumin Wu, Li Qiu, Le Zhou
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Publication number: 20210021846Abstract: One or more computing devices, systems, and/or methods for video encoding are provided. For example, a video file may be segmented into at least a first portion and a second portion. The first portion may be analyzed to determine that the first portion is associated with a first level of complexity, and the second portion may be analyzed to determine that the second portion is associated with a second level of complexity. A first bitrate associated with the first level of complexity may be determined, and a second bitrate associated with the second level of complexity may be determined. The first portion may be encoded at the first bitrate to generate a first encoded portion, and the second portion may be encoded at the second bitrate to generate a second encoded portion. The first encoded portion and the second encoded portion may be assembled to generate an optimized video file.Type: ApplicationFiled: October 5, 2020Publication date: January 21, 2021Inventors: Jian Zhou, Congxia Dai, Heri Zhao, Zhonghua Ma, Xumin Wu, Michael Chang-Ping Chen, Sagar Dattatraya Bhandare