Abstract: A noise-canceling device includes a processing circuit configured to detect vibrational noise sound waves near a listener's ear using a vibration sensor, generate a vibrational noise-canceling signal, and control operation of a speaker to provide a desired sound signal and the vibrational noise-canceling signal to at least partially cancel the vibrational noise sound waves.

Abstract: Described embodiments include a system, apparatus, and method. A system includes an array of at least two groups of at least two artificially structured electromagnetic unit cells. Each group includes a controllable amplifier responsive to a B1 localization control signal and configured to amplify a received pulse of radiofrequency electromagnetic waves. Each group includes an electromagnetic wave conducting structure configured to deliver an amplified pulse of radiofrequency electromagnetic waves to the at least two artificially structured electromagnetic unit cells. The at least two artificially structured electromagnetic unit cells are configured to transform the incident amplified pulse into a pulse of radiofrequency magnetic field B1 orientated transverse to a segment of the z-axis.

Abstract: The present disclosure is directed to systems for tuning nanocube plasmonic resonators and methods for forming tunable plasmonic resonators. A tunable plasmonic resonator system can include a substrate and a nanostructure positioned on a surface of the substrate. The substrate can include a semiconductor material having a carrier density distribution. A junction can be formed between the nanostructure and the substrate forming a Schottky junction. Changing the carrier density distribution of the semiconductor material can change a plasmonic response of the plasmonic resonator.

Abstract: Surface scattering antennas with lumped elements provide adjustable radiation fields by adjustably coupling scattering elements along a waveguide. In some approaches, the scattering elements include slots in an upper surface of the waveguide, and the lumped elements are configured to span the slots provide adjustable loading. In some approaches, the scattering elements are adjusted by adjusting bias voltages for the lumped elements. In some approaches, the lumped elements include diodes or transistors.

Abstract: A system and method for repowering an unmanned aircraft system is disclosed. The system and method may comprise use of a utility transmission system configured to function as power system/source for UAV/aircraft and UAV/aircraft configured to interface with the power source/system. Systems and methods provide access and for administrating, managing, and monitoring access and interfacing by UAV/aircraft with the power system/source. UAV/aircraft system can be configured and operated/managed to interface with and use the power system/source (e.g. network of power lines from a utility transmission system) to enhance range and utility (e.g. for repowering and/or as a flyway or route). The system comprises an interface between the aircraft and the power source for power transfer; a monitoring system to monitor the aircraft; and an administrative/management system to manage interaction/transaction with the aircraft.

Abstract: Described embodiments include a system, apparatus, and method. An apparatus includes an assemblage of artificially structured electromagnetic unit cells. The assemblage of artificially structured electromagnetic unit cells includes a first artificially structured electromagnetic unit cell configured to transform incident radiofrequency electromagnetic waves into a radiofrequency magnetic field B perpendicular to the plane of the assemblage. The assemblage of artificially structured electromagnetic unit cells includes a second artificially structured electromagnetic unit cell configured to transform the incident radiofrequency electromagnetic waves into an electric field E counteracting a non-vanishing electric field component generated by the first artificially structured electromagnetic unit cell.

Abstract: A system and method for payload management for a UAV/aircraft is disclosed. UAV/craft may be configured for a mission with aerodynamically-exposed payload to be delivered from originator to destination on a route in operating conditions. UAV/aircraft may provide an aerodynamic profile indicative of the expected aerodynamic performance in view of considerations such as flight characteristics and effects; a base aerodynamic profile without payload and a loaded aerodynamic profile with payload may be determined. The system and method may comprise estimation/determination and assessment/transaction of a freight charge for the mission based on aerodynamic profile and other considerations; freight charge may comprise a surcharge or penalty based on performance using unit reference points and factors/considerations. UAV/aircraft system can be configured and operated/managed to interface with the system; missions may be optimized based on freight charge or other considerations.

Abstract: Described embodiments include a system, method, and apparatus. A system includes an antenna comprising a sub-Nyquist holographic aperture configured to define selectable arbitrary complex radiofrequency electromagnetic fields on a surface of the antenna. A path analysis engine tests power transmission pathways from the antenna to a target device located in an environment within a space radiateable by the antenna. The environment includes a human being. An optimization circuit selects responsive to the tested power transmission pathways a power transmission regime. The regime includes an electromagnetic radiation pattern shaped to transfer radiofrequency electromagnetic power from the antenna to the target device without exceeding a radiation exposure limit for humans. A gain definition circuit selects a complex radiofrequency electromagnetic field implementing the selected power transmission regime from the at least two selectable, complex radiofrequency electromagnetic fields.

Abstract: Disclosed are antenna systems, wireless antenna controllers, and related methods. An antenna system includes a configured to receive an electromagnetic (EM) signal and propagate the EM signal as an EM reference wave. The antenna system also includes a tunable EM scattering elements, and a wireless controller. A wireless antenna controller includes an EM emitter configured to emit EM radiation to EM filters. The EM filters are configured to pass different sub-ranges of a frequency range of the EM radiation to the tunable EM scattering elements. A method includes wirelessly controlling the tunable EM scattering elements to deliver a different information streams to different far-end locations. A method includes controlling the EM emitter to modulate frequency content of the EM radiation to cause the tunable EM scattering elements to operate collectively according to different modulation patterns.

Abstract: Disclosed are antenna systems and related methods. An antenna system includes one or more feeds configured to receive an electromagnetic (EM) signal and propagate the EM signal as an EM reference wave. The antenna system also includes a plurality of tunable EM scattering elements spaced at sub-wavelength distances, and a controller operably coupled to the plurality of tunable EM scattering elements. A method includes operating the plurality of tunable EM scattering elements in at least two different operational states to selectively scatter the EM reference wave as a radiated wave, and modulating the radiated wave over time to deliver a plurality of different information streams to a plurality of different far-end locations by modulating the plurality of tunable EM scattering elements between the plurality of different operational states over time.

Abstract: Described embodiments include a plasmonic apparatus and method. The plasmonic apparatus includes a substrate having a first negative-permittivity layer comprising a first plasmonic surface. The plasmonic apparatus includes a plasmonic nanoparticle having a base with a second negative-permittivity layer comprising a second plasmonic surface. The plasmonic apparatus includes a dielectric-filled gap between the first plasmonic surface and the second plasmonic surface. The plasmonic apparatus includes a plasmonic cavity created by an assembly of the first plasmonic surface, the second plasmonic surface, and the dielectric-filled gap, and having a spectrally separated first fundamental resonant cavity wavelength ?1 and second fundamental resonant cavity wavelength ?2. The plasmonic apparatus includes a plurality of fluorescent particles located in the dielectric-filled gap.

Abstract: An audio surveillance system includes a plurality of nodes and each node includes a microphone, a speaker, and a control unit. The microphone is configured to detect sound and the speaker is configured to provide sound. The control unit is configured to receive a plurality of inputs from the plurality of nodes and the plurality of inputs are based on a detected sound; determine a location of the source of the detected sound based on the plurality of inputs; classify the detected sound according to predefined alert conditions and based on the location of the source of the detected sound; provide an alert to a monitoring device regarding the detected sound based on the classification of the detected sound; and control at least one node from the plurality of nodes to provide an audio response to the detected sound.

Abstract: Described embodiments include a plasmonic apparatus and method. The plasmonic apparatus includes a substrate having a first negative-permittivity layer comprising a first plasmonic surface. The plasmonic apparatus includes a plasmonic nanoparticle having a base with a second negative-permittivity layer comprising a second plasmonic surface. The plasmonic apparatus includes a dielectric-filled gap between the first plasmonic surface and the second plasmonic surface. The plasmonic apparatus includes a plasmonic cavity created by an assembly of the first plasmonic surface, the second plasmonic surface, and the dielectric-filled gap, and having a spectrally separated first fundamental resonant cavity wavelength ?1 and second fundamental resonant cavity wavelength ?2. The plasmonic apparatus includes a plurality of fluorescent particles located in the dielectric-filled gap.

Abstract: Surface scattering antennas with lumped elements provide adjustable radiation fields by adjustably coupling scattering elements along a wave-propagating structure. In some approaches, the surface scattering antenna is a multi-layer printed circuit board assembly, and the lumped elements are surface-mount components placed on an upper surface of the printed circuit board assembly. In some approaches, the scattering elements are adjusted by adjusting bias voltages for the lumped elements. In some approaches, the lumped elements include diodes or transistors.

Abstract: An apparatus for reducing electromagnetic scattering includes a first component having a plurality of curved segments, each including a first reflective material, and together forming an enclosed cavity; and a second component having a plurality of flat or cylindrically-curved segments, each comprising a second reflective material. The second component is positioned external to the cavity.

Abstract: Described embodiments include a system, method, and apparatus. The system includes an antenna comprising a sub-Nyquist holographic aperture configured to define selectable arbitrary complex radiofrequency electromagnetic fields on a surface of the antenna. A mapping engine models an environment within a space radiateable by the antenna. The environment includes a target device and a human being. An optimization circuit selects responsive to the model of the environment a power transmission regime. The power transmission regime includes radiation pattern shaped to wirelessly transfer electromagnetic power from the antenna to the target device without exceeding a radiation exposure limit for humans. A gain definition circuit selects a complex radiofrequency electromagnetic field implementing the selected power transmission regime from the at least two selectable arbitrary complex radiofrequency electromagnetic fields.

Abstract: An unmanned aerial vehicle (UAV) may be used to deliver a package. The UAV may include a communication interface configured to receive a request to transport a package from a customer and a navigation unit configured to direct the UAV to the package. The UAV may also include a sensor configured to determine at least one of a weight and a plurality of dimensions of the package and a schedule unit configured to adjust a pick up schedule for a one or more other packages based on at least one of the weight and the plurality of dimensions of the package.

Abstract: An unmanned aerial vehicle (UAV) may be used to deliver a package. The UAV may include a communication interface configured to receive a request to transport a package from a customer and a navigation unit configured to direct the UAV to the package. The UAV may also include a sensor configured to determine one or more physical characteristics of the package and a calculation unit configured to calculate adjusted freight charges by comparing anticipated freight charges based on one or more physical characteristics of the package specified in the request to the one or more physical characteristics of the package determined by the sensor. The UAV may further include an acceptance unit configured to accept the package for transport based on the acceptance of the adjusted freight charges by the customer.

Abstract: Described embodiments include a system, method, and apparatus. A system includes a medicament-eluting device configured to be positioned at a location on a skin of a mammal. The system includes an ultrasonic wave transmitter configured to emit ultrasonic shear waves directable at the location. The ultrasonic shear waves have a frequency or amplitude selected to increase a permeability of the skin of the mammal to a medicament released by the medicament-eluting device. In an embodiment, the system includes a structure carrying the medicament-eluting device and the ultrasonic wave transmitter. In an embodiment, the system includes a cavitation sensor configured to detect a cavitation event in the mammal. In an embodiment, the system includes a cavitation controller configured to limit a power of the ultrasonic shear waves directed at the location to a level below a cavitation threshold of the mammal.

Abstract: Described embodiments include a system, method, and apparatus. A system includes an extracellular-fluid collection device configured to be positioned at a location on a skin of a mammal. In an embodiment, the mammal includes a live human. The system includes an ultrasonic wave transmitter configured to emit ultrasonic shear waves directable at the location. The ultrasonic shear waves have a frequency or amplitude selected to increase a permeability of the skin of the mammal to an extracellular-fluid. In an embodiment, the system includes a sensor configured to determine a rate or amount of extracellular-fluid collected by the extracellular-fluid collection device. In an embodiment, the system includes a fluid collection controller configured to regulate a parameter of ultrasonic shear waves transmitted by the ultrasonic wave transmitter in response to a determined rate or amount of fluid collected by the extracellular-fluid collection device.