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 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 for preventing theft of energy transmitted as a guided surface wave along the surface of a terrestrial medium, by pulsing the transmitted energy and protecting authorized devices from the pulse. In one embodiment, a guided surface wave receive structure is configured to obtain electrical energy from a guided surface wave. An electrical load coupled to the guided surface wave receive structure. The electrical load is experienced as a load at an excitation source coupled to a guided surface waveguide probe that is generating the guided surface wave with an electrical field strength that may be selectively increased. A pulse protection circuit is employed to selectively protect the electrical load from an increase in electrical energy received by the guided surface wave receive structure when the electrical field strength is selectively increased, while unprotected circuits may be damaged or disrupted by the pulse.

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 load shedding techniques for a guided surface wave power delivery system. In one embodiment, among others, a guided surface waveguide probe is configured to transmit a guided surface wave along a lossy conducting medium; and a load shedding controller device is configured to send load shedding instructions to a plurality of user devices. The load shedding instructions regulate user device consumption of electrical energy provided by the guided surface wave amongst the plurality of user devices by spreading out activation and deactivation of load shedding conservations amongst the plurality of user devices.

Abstract: Disclosed are various embodiments of a guided surface wave transmitter/receiver configured to transmit a guided surface wave at a first frequency and to receive guided surface waves at a second frequency, concurrently with the transmission of guided surface waves at the first frequency. The various embodiments can be configured to retransmit received power and applied the received power to an electrical load. The various embodiments of the guided surface wave transmitter/receiver also can be configured as an amplitude modulation (AM) repeater.

Abstract: Disclosed is a sensing device including a guided surface wave receive structure, a physical parameter sensor, and a radio frequency transmitter. The guided surface wave receive structure may be configured to obtain electrical energy from a guided surface wave traveling along a terrestrial medium. The physical parameter sensor may be coupled to the guided surface wave receive structure. The physical parameter sensor may also measure a physical parameter associated with a physical environment local to the physical parameter sensor. The radio frequency transmitter may be coupled to the guided surface wave receive structure and communicatively coupled to the physical parameter sensor. The radio frequency transmitter may also obtain a physical parameter measurement and transmit the physical parameter measurement over a wireless network.

Abstract: Disclosed is a system and method for disaster warning recovery including a power modulator. A location is determined for an area affected by an emergency event. An emergency message is generated that corresponds to the emergency event. The emergency message is transmitted by via a guided surface wave. The guided surface wave is launched by a guided surface waveguide probe. The power modulator is coupled to the guided surface waveguide probe.

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 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 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 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 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: 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 is an implantable medical device and methods of using the medical device. The medical device may include a guided surface wave receive structure configured to receive a guided surface wave transmitted by a guided surface waveguide probe. The guided surface wave receive structure in the medical device generates an alternating current signal when the guided surface wave is received. The medical device includes a power circuit that is coupled to the guided surface wave receive structure. The power circuit includes a power storage circuit to store the power signal. The medical device includes a medical circuit that comprises a stimulus circuit, a monitoring circuit, and potentially other components. The stimulus circuit provides a stimulus to a human body. The monitoring circuit measures a characteristic of the human body.

Abstract: Disclosed is 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.

Abstract: A method of managing objects in a site (424) includes producing a guided surface wave with a guided surface waveguide probe (P), the guided surface wave having sufficient energy density to power object identification tags (402) in an entirety of the site; receiving reply signals from the object identification tags, each object identification tag associated with an object (404); 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 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 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.