A tethered unmanned aerial spraying system comprising a tether line, a power source, a plurality of supporting beams and a plurality of pairs of motorized propellers, wherein each pair of motorized propellers is supported by the ends of a corresponding supporting beam, and a control unit configured to control each motorized propeller. The tether line includes a flexible hose for delivering spraying agent and a power line, supplying electricity to the motorized propellers from the power source. At least a portion of the tether line is covered by a rigid frame and is carried thereby, wherein the supporting beams are attached to the rigid frame so as to be arranged longitudinally to one another, and the neighboring supporting beams of pairs of motorized propellers have unequal length. The system provides compact configuration of an easily deployable system having increased stability and improved lifting capabilities or energy-effectiveness.

An unmanned aerial vehicle (UAV) a fixed frame and a rotating arm pivotably coupled to the fixed frame at a central axis. The fixed frame includes peripheral propellers and corresponding motors for flying the UAV, and a central electronics enclosure for housing electronics used to control the UAV. The rotating arm is between the propellers and configured to rotate with respect to the fixed frame about the central axis. The rotating arm includes magnetic feet at a first end of the rotating arm and configured to perch and magnetically attach the UAV to a ferromagnetic surface, a docking station at the first end and configured to release and dock a releasable crawler, and a battery at a second end of the rotating arm opposite the first end and configured to supply power to the motors and the housed electronics, and to counterbalance the first end about the central axis.

Systems, devices, and methods for an unmanned aerial vehicle (UAV); a trace gas sensor disposed on the UAV, where the gas sensor is configured to measure a gas point concentration; a wind sensor, where the wind sensor is configured to determine a discrete wind vector corresponding to the gas point concentration measurement; and where the discrete wind vector and gas point concentration measurement are acquired substantially concurrently and co-locally.

A speaker system includes a first speaker and a second speaker. The first speaker includes a first sound signal input interface configured to acquire a first sound signal, and a first sound emitter configured to output a first sound based on the first sound signal in a state in which a position of a host device is fixed. The second speaker includes a second sound signal input interface configured to acquire a second sound signal, a moving body that includes a position information acquisition interface configured to acquire information relating to position and that is configured to move based on the information relating to position, and a second sound emitter configured to output a second sound based on the second sound signal.

Disclosed is a system for assisting blasting. The system includes at least one wireless blasting-related device that is deployable or deployed proximate to or within a portion of physical media intended to be blasted as part of a commercial blasting operation. The blasting-related device includes a device-based magnetic induction (MI) signal receiver with a magnetometer configured for through the earth (TTE) MI communication, and the blasting-related device includes a device-based MI signal source with a device-based antenna configured for TTE MI communication. The device-based MI signal source is configured to communicate with a vehicle-based MI signal receiver in a blast support vehicle that includes a set of vehicle-based magnetometers.

The invention relates to an airborne platform comprising a main body configured for flying over a region of interest and an electrical charging system fixed to the main body and located outside of the main body. The electrical charging system comprising at least one induction coil intended to remotely charge at least one battery of at least one apparatus.

A system, method, or apparatus for generating a blast plan that can receive blast data comprising geological properties of a blast site, blasthole parameters, and available explosive product. A pattern footage can be determined based on a relationship between the face height, the specific energy of the available explosive product, and the geological properties of the bench. The burden and spacing can be determined from the pattern footage.

In one aspect, a system for monitoring seedbed conditions within a field may include an unmanned aerial vehicle (UAV) having a seedbed sensing assembly supported thereon. The sensing assembly may, in turn, include a plurality of pins configured to be extended relative to the body such that each pin penetrates a top surface of the field. Furthermore, a plurality of position sensors may be configured to capture data indicative of a position of a given pin of the plurality of pins relative to the body of the UAV. Additionally, a plurality of force sensors may be configured to capture data indicative of a force being applied to a given pin of the plurality of pins. As such, the data captured by the position sensors and the force sensors may be indicative of at least one of the seedbed surface profile or the seedbed floor profile of the field.

UAV airways system generally are disclosed. Such UAV airway systems may comprise UAV cargo transportation systems and UAV surveillance and monitoring systems. Such systems preferably overlay and are commensurate with a system of high-voltage power transmission lines of high-voltage transmission system, and electric field actuated (EFA) generators preferably are utilized in UAVs that travel along the transmission lines, in UAV charging stations located along the transmission lines, or in both. Each EFA generator represents a power supply and comprises first and second electrodes separated and electrically insulated from each other for enabling a differential in voltage at the first and second electrodes resulting from a differential in electric field strength experienced by the first and second electrodes arising from the power transmission lines of the high-voltage transmission system.

A tool positioning system of an unmanned aerial vehicle that is mountable relative to a power line to monitor a component of the line. The tool positioning system includes a displacement module having a first member mountable to one side of a body of the unmanned aerial vehicle, a second member movable vertically relative to the first member on the side of the body, and a tool holder pivotably coupled to the second member and couplable to a tool. The tool holder is movable relative to the body to mount the tool to or around the component.