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Patent Agency Ranking
公开(公告)号：US10520387B2
公开(公告)日：2019-12-31
申请号：US15582025
申请日：2017-04-28
Applicant: SZ DJI TECHNOLOGY CO., LTD.
Inventor： Qiguang Wang , Yao Li , Yongjian Zhao , Hui Sun , Yuanzhen Guo
IPC: G01M3/04 , B64C39/02 , G01N21/61 , G05D1/00 , G05D1/10 , G08B7/06 , G08G5/00 , G01M3/22 , G08B13/194 , G08B17/00 , G08B21/12 , G08B25/10
Abstract: A gas leakage treatment method includes detecting a target gas concentration of a target gas in an environment at a corresponding position of a gas delivery pipeline in a process of moving along the gas delivery pipeline. The method further includes, if the target gas concentration is greater than a preset concentration threshold, determining that gas leakage occurs and performing a gas leakage treatment operation.
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公开(公告)号：US11073389B2
公开(公告)日：2021-07-27
申请号：US16996822
申请日：2020-08-18
Applicant: SZ DJI TECHNOLOGY CO., LTD.
Inventor： Ang Liu , Yongjian Zhao , Guyue Zhou
Abstract: An unmanned aerial vehicle (UAV) includes a power device communicatively configured to provide power for the UAV and one or more processors coupled to the power device. The one or more processors are configured to obtain a flight velocity of the UAV corresponding to the power, obtain an image frame as a keyframe in response to that the flight velocity satisfies a preset condition, and control the UAV to hover using the keyframe as a reference object.
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公开(公告)号：US11015956B2
公开(公告)日：2021-05-25
申请号：US15432802
申请日：2017-02-14
Applicant: SZ DJI TECHNOLOGY CO., LTD
Inventor： Ketan Tang , Yongjian Zhao , Bing Li , Guyue Zhou
Abstract: A method for in-line sensor calibration are provided, comprising: obtaining sensor data from a plurality of sensors of different types coupled to an unmanned aerial vehicle (UAV) while the UAV is in flight, wherein the plurality of sensors have an initial spatial configuration relative to one another; detecting, with aid of a processor, a change in a spatial configuration of the plurality of sensors relative to one another from the initial spatial configuration to a subsequent spatial configuration, based on the sensor data; determining the subsequent spatial configuration; and adjusting data, while the UAV is in flight, from at least one of the plurality of sensors based on the subsequent spatial configuration. The disclosure also relates to an apparatus for sensor calibration.
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公开(公告)号：US10754354B2
公开(公告)日：2020-08-25
申请号：US16136607
申请日：2018-09-20
Applicant: SZ DJI TECHNOLOGY CO., LTD.
Inventor： Ang Liu , Yongjian Zhao , Guyue Zhou
Abstract: A hover control method includes obtaining a flight velocity of an unmanned aerial vehicle (UAV), obtaining an image frame as a keyframe in response to that the flight velocity satisfies a preset condition, and controlling hovering of the UAV using the keyframe as a reference object.
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公开(公告)号：US20170153122A1
公开(公告)日：2017-06-01
申请号：US15432802
申请日：2017-02-14
Applicant: SZ DJI TECHNOLOGY CO., LTD
Inventor： Ketan Tang , Yongjian Zhao , Bing Li , Guyue Zhou
CPC classification number: G01C25/00 , B64C39/024 , B64D47/08 , G01C23/00 , G06T7/80 , G06T2207/10032
Abstract: A method for in-line sensor calibration are provided, comprising: obtaining sensor data from a plurality of sensors of different types coupled to an unmanned aerial vehicle (UAV) while the UAV is in flight, wherein the plurality of sensors have an initial spatial configuration relative to one another; detecting, with aid of a processor, a change in a spatial configuration of the plurality of sensors relative to one another from the initial spatial configuration to a subsequent spatial configuration, based on the sensor data; determining the subsequent spatial configuration; and adjusting data, while the UAV is in flight, from at least one of the plurality of sensors based on the subsequent spatial configuration. The disclosure also relates to an apparatus for sensor calibration.
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