Tow control handle for unmanned aerial vehicle

    公开(公告)号:US10745132B1

    公开(公告)日:2020-08-18

    申请号:US15195491

    申请日:2016-06-28

    Inventor: Gur Kimchi

    Abstract: A towing system is provided that includes a tow control handle that is attached by a tow line to an unmanned aerial vehicle (“UAV”) for towing a user. The tow control handle may include various control elements (e.g., sensors, buttons, switches, rotatable portions, etc.) which may be actuated by a user to provide control signals that are utilized for controlling various aspects of the flight of the UAV (e.g., direction, speed, etc.) A user device that is worn or otherwise carried by the user enables the user to summon the UAV to the user's location when a towing process is to begin and/or when a user is to re-acquire the tow control handle (e.g., after the user releases the tow control handle during the towing process, etc.)

    Determining relative distances and positions of multiple vehicles from times-of-flight of signals

    公开(公告)号:US10705542B1

    公开(公告)日:2020-07-07

    申请号:US15637133

    申请日:2017-06-29

    Inventor: Gur Kimchi

    Abstract: Aerial vehicles may be outfitted with one or more transceivers for transmitting signals between one another. The signals may be time-stamped with times at which the signals are transmitted, and the times at which such signals are received, as determined from global clocks. The times-of-flight of such signals may be calculated from the differences between the times of transmission and the times of receipt, and used to calculate relative distances between the aerial vehicles. Additionally, where two or more of such signals are transmitted by an aerial vehicle, and received by another aerial vehicle, the times-of-flight of such signals may be used to track relative motion or determine an orientation of the aerial vehicle. Such signals may be transmitted and received by any number of vehicles or other objects, and may include any information, data or metadata regarding such vehicles or other objects.

    Energy-efficient launch system for aerial vehicles

    公开(公告)号:US10556709B1

    公开(公告)日:2020-02-11

    申请号:US15451218

    申请日:2017-03-06

    Abstract: An energy-efficient launch system that utilizes the principles of whip dynamics to launch payloads at high speeds is described. The launch system may include a marine vehicle having an onboard power source. A tapered, superconducting cable may be retractably connected to the marine vehicle via a winch and electrically connected to the power source. One or more aerial vehicles may be coupled to and receive power via the cable. To launch a payload at the end of the cable, the marine vehicle, winch, and/or aerial vehicles may be operated in coordination to create, propagate, and accelerate a whip waveform along the cable toward the payload.

    Propeller blade indentations for improved aerodynamic performance and sound control

    公开(公告)号:US10399665B2

    公开(公告)日:2019-09-03

    申请号:US15968137

    申请日:2018-05-01

    Abstract: Sounds are generated by an aerial vehicle during operation. For example, the motors and propellers of an aerial vehicle generate sounds during operation. Disclosed are systems, methods, and apparatus for actively adjusting the position of one or more propeller blade treatments of a propeller blade of an aerial vehicle during operation of the aerial vehicle. For example, the propeller blade may have one or more propeller blade treatments that may be adjusted between two or more positions. Based on the position of the propeller blade treatments, the airflow over the propeller is altered, thereby altering the sound generated by the propeller when rotating. By altering the propeller blade treatments on multiple propeller blades of the aerial vehicle, the different sounds generated by the different propeller blades may effectively cancel, reduce, and/or otherwise alter the total sound generated by the aerial vehicle.

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