The present invention relates to a hat sweatband tape device comprised of an inner core that houses a roll-like body, which is preferably manufactured from a fabric material. The material is absorbent and/or moisture wicking to absorb or wick away excess sweat, and is also preferably padded for comfort. The body material is preferably rectangular in shape and is stored on a paper or cardboard-based, circular inner core. The bottom surface of the body further has a peelable adhesive layer. To apply the device to a hat, a user can unroll a portion of the body from the inner core to obtain the desired length of the body for use, and then cut or tear the body to said length. Then, a user can remove the peelable cover layer and place the adhesive bottom surface on or behind the sweatband or in another interior area of a hat.

An example UAV landing structure includes a landing platform for a UAV, a cavity within the landing platform, and a track that runs along the landing platform and at least a part of the cavity. The UAV may include a winch system that includes a tether that may be coupled to a payload. Furthermore, the cavity may be aligned over a predetermined target location. The cavity may be sized to allow the winch system to pass a tethered payload through the cavity. The track may guide the UAV to a docked position over the cavity as the UAV moves along the landing platform. When the UAV is in the docked position, a payload may be loaded to or unloaded from the UAV through the cavity.

An autonomous mobile robot checking system comprises a transmission line, an unmanned aerial vehicle and an autonomous mobile device. The unmanned aerial vehicle is used for sensing stacked goods to generate sensing information. The autonomous mobile device is used for receiving the sensing information through the transmission line, and supplying power to the unmanned aerial vehicle through the transmission line to enable the unmanned aerial vehicle to sense the stacked goods. The autonomous mobile device provides a checking result for the stacked goods based on the sensing information.

Technologies for drone-based cameras to detect proper wind direction for landing are described. One aerial vehicle can determine that it is in a vertical take-off and landing (VTOL) orientation and capture an image of a landing-pad device using the camera. The aerial vehicle can detect a visual marker in the image and can determine a wind direction, at a location of the landing page, from the visual marker. The wind direction is used by a propulsion subsystem to align the aerial vehicle into the wind direction for landing.

A docking system for drones and a method for operating the same include: a seat part configured to land a drone thereon; a wire provided on the seat part and configured to allow the landing drone to be hung on the wire so that the drone may land on the seat part; and tension adjusters configured to adjust tension of the wire so as to allow the drone to land at a target position of the seat part when the drone is hung on the wire.

Embodiments of the present disclosure are directed to systems and methods for autonomously performing and/or facilitating drone diagnostic functions. Prior to a mission of a UAV, an inspection station comprising at least one imaging sensor and at least one directional force sensor may be used to perform a plurality of air worthiness inspections and/or maintenance checks with little to no human intervention. Once the UAV has been determined to be air worthy, it is approved for a subsequent mission.

A first and a second aircraft are detachably coupled where the first aircraft is configured to perform a vertical landing using a first battery while the first aircraft is unoccupied and the unoccupied first aircraft includes the first battery. In response to detecting a second, removable battery being detachably coupled to the first aircraft, a power source for the first aircraft is switched from the first battery to the second, removable battery. After the switch, the first aircraft takes off vertically using the second, removable battery while occupied. The detachably coupled first aircraft and second aircraft are flown using the second aircraft (the power to keep the detachably coupled first aircraft and second aircraft airborne comes exclusively from the second aircraft and not the first aircraft).

A landing station for an unmanned aerial vehicle includes a landing surface and a centering wheel. The centering wheel is coupled to the landing surface and has a spoke extending therefrom. The spoke is positioned to rotate relative to the landing surface in response to rotation of the centering wheel relative to the landing surface. The spoke is configured to rotate into engagement with a landing leg of the unmanned aerial vehicle to impart centrifugal force onto the landing leg sufficient to rotate the unmanned aerial vehicle toward a predetermined position on the landing surface.

A charging station for an unmanned aerial vehicle includes a landing surface having a first charging terminal formed of a first electrically conductive material, a second charging terminal formed of a second electrically conductive material and spaced apart from the first charging terminal, and an electrically insulating material disposed between the first charging terminal and the second charging terminal. A centering wheel is rotatably associated with the landing surface and has a center hub and spokes extending from the center hub. A rotator coupled to the centering wheel can rotate the centering wheel to align the unmanned aerial vehicle with the first charging terminal and the second charging terminal.

A multicopter landing platform includes a base portion, a bottom portion, disposed in the base portion, that accepts a protruding portion of the multicopter, and walls of the base portion that are sloped toward the bottom portion. The walls of the base portion may form a conic-shape. The multicopter landing platform may also include a GPS device that sends RTK corrections to a different GPS device on the multicopter. The multicopter landing platform may also include a beacon that guides the multicopter to cause the multicopter to contact the walls of the base station. The beacon may be disposed in the bottom portion. The beacon may provide a signal that is detected by the multicopter. The beacon may provide a light signal that is detected by a camera on the multicopter to guide the multicopter toward the base portion. A charging ring may be disposed in the bottom portion.