Abstract: Disclosed is a disaster warning device with a guided surface wave receive structure, an impedance matching network, a power circuit, a data processing circuit, and a warning output. The power circuit and the data processing circuit may be coupled to the guided surface wave receive structure. The power circuit may supply electrical energy to power to the data processing circuit and warning output. The power circuit may receive power from a guided surface wave. The data processing circuitry may receive data communications from a guided surface wave.

Abstract: Disclosed are various embodiments of a guided surface waveguide transmit system. One embodiment of the guided surface waveguide transmit system includes a guided surface waveguide probe configured to transmit a guided surface wave along a lossy conducting medium. The system further includes a controller device configured to receive load status data and signal for the guided surface waveguide probe to adjust transmission of the guided surface wave based at least in part on the load status data.

Abstract: Disclosed are various embodiments for transmitting energy at multiple frequencies via a guided surface wave along the surface of a lossy medium such as, e.g., a terrestrial medium by exciting a guided surface waveguide probe.

Abstract: An object identification system includes a guided surface waveguide probe that produces a guided surface wave from which object identification tags obtain electrical power to operate, each tag associated with an object; and a plurality of receivers deployed at strategic locations to receive return signals from one or more of the tags as the tags move with the associated objects during a lifecycle of the objects.

Abstract: Disclosed are various receive circuits by which to receive a plurality of guided surface waves transmitted by a plurality of guided surface waveguide probes over a surface of a terrestrial medium according to various embodiments.

Abstract: Disclosed are various embodiments for adjusting an operational parameter of a guided surface waveguide probe according to measurements received from one or more measuring devices. A measuring device measures the conditions associated with an environment of the measuring device. The measuring devices communicates the measured data to the guided surface waveguide probe. Adjustments can be made to one or more operational parameters of the guided surface waveguide probe according to the measured data.

Abstract: An object identification system includes a guided surface waveguide probe that produces a guided surface wave that has a frequency-dependent illumination area in which one or more object identification tags are powered by the guided surface wave and outside of which other object identification tags are not powered by the guided surface wave; and a receiver at the illumination area, the receiver receiving return signals from the one or more object identification tags located in the illumination area, the return signals emitted by the object identification tags as an automated response to being powered by the guided surface wave.

Abstract: Disclosed are various embodiments for field strength monitoring of electromagnetic fields generated by a guided surface waveguide probe. A field meter measures the field strength of the electromagnetic field. The field meter communicates the measured field strength to a probe control system coupled to the guided surface waveguide probe. Adjustments can be made to one or more operational parameters of the guided surface waveguide probe according to the measured field strength.

Abstract: A method of managing objects in a site includes producing a guided surface wave with a guided surface waveguide probe, the guided surface wave having sufficient energy density to power object identification tags in an entirety of a site; receiving reply signals from the object identification tags, each object identification tag associated with an object; and identifying geolocation of one or more the objects according to received reply signals from the object identification tags that are associated with the one or more of the objects.

Abstract: Disclosed are various embodiments of a guided surface waveguide transmit system. One embodiment of the guided surface waveguide transmit system includes a guided surface waveguide probe configured to transmit a guided surface wave along a lossy conducting medium. The system further includes a controller device configured to receive load status data and signal for the guided surface waveguide probe to adjust transmission of the guided surface wave based at least in part on the load status data.

Abstract: Disclosed is hybrid communication in which a first message from a guided surface wave probe node is embedded in a guided surface wave, and a second message from a guided surface wave receive node uses a different messaging mechanism.

Abstract: Disclosed are various approaches for measuring and reporting the amount of electrical power consumed by an electrical load attached to a guided surface wave receive structure. A guided surface wave receive structure is configured to obtain electrical energy from a guided surface wave traveling along a terrestrial medium. An electrical load is coupled to the guided surface wave receive structure, the electrical load being experienced as a load at an excitation source coupled to a guided surface waveguide probe generating the guided surface wave. An electric power meter coupled to the electrical load and configured to measure the electrical load.

Abstract: Disclosed is hybrid communication in which a first message from a guided surface wave probe node is embedded in a guided surface wave, and a second message from a guided surface wave receive node uses a different messaging mechanism.

Abstract: Disclosed are various embodiments for transmitting energy at multiple frequencies via a guided surface wave along the surface of a lossy medium such as, e.g., a terrestrial medium by exciting a guided surface waveguide probe.

Abstract: Disclosed are various receive circuits by which to receive a plurality of guided surface waves transmitted by a plurality of guided surface waveguide probes over a surface of a terrestrial medium according to various embodiments.

Abstract: Disclosed are various approaches for measuring and reporting the amount of electrical power consumed by an electrical load attached to a guided surface wave receive structure. A guided surface wave receive structure is configured to obtain electrical energy from a guided surface wave traveling along a terrestrial medium. An electrical load is coupled to the guided surface wave receive structure, the electrical load being experienced as a load at an excitation source coupled to a guided surface waveguide probe generating the guided surface wave. An electric power meter coupled to the electrical load and configured to measure the electrical load.

Abstract: Disclosed are various embodiments for a trap monitor. The trap monitor can detect when a trap is triggered using a magnetic interlock attached to the trap and a magnetic flux sensor. The trap monitors may forward trap events and other information to a central hub for communication to a server. The trap monitors and hub can be configured using infrared transmissions from a mobile device.

Abstract: Disclosed are various embodiments of apparatuses, systems, and methods for restricting functionality of guided surface wave receive equipment to unauthorized users. In one embodiment, an apparatus includes a network interface adapted to receive a valid key code, and a guided surface wave receive structure configured to obtain electrical energy from a guided surface wave traveling along a lossy conducting medium, wherein the guided surface wave is embedded with a user key code. Accordingly, processing circuitry is further included and is adapted to validate the user key code against the valid key code. The processing circuitry is adapted to disable delivery of the electrical energy from the guided surface wave to an electrical load responsive to the user key code being invalidated.

Abstract: Disclosed are various embodiments for establishing bidirectional exchanges of electrical energy between power systems. The various embodiments can be configured to as a network of power systems that ensure that excess power in one or more power systems can be directed to power systems in a power deficit state.

Abstract: Disclosed a guided surface waveguide probe including a charge terminal configured to generate an electromagnetic field and a support apparatus that supports the charge terminal above a lossy conducting medium, wherein the electromagnetic field generated by the charge terminal synthesizes a wave front incident at a complex Brewster angle of incidence (?i,B) of the lossy conducting medium.