Abstract: An RF signal generator wirelessly transferring power to a wireless device includes, in part, a multitude of generating elements generating a multitude of RF signals transmitted by a multitude of antennas, a wireless signal receiver, and a control unit controlling the phases and/or amplitudes of the RF signals in accordance with a signal received by the receiver. The signal received by the receiver includes, in part, information representative of the amount of RF power the first wireless device receives. The RF signal generator further includes, in part, a detector detecting an RF signal caused by scattering or reflection of the RF signal transmitted by the antennas. The control unit further controls the phase and/or amplitude of the RF signals in accordance with the signal detected by the detector.

Abstract: A system is provided. The system includes a plurality of uninterruptible power supplies (UPSs), a ring bus, a plurality of chokes, each choke of the plurality of chokes electrically coupling an associated UPS of the plurality of UPSs to the ring bus, and at least one switch electrically coupled between at least one UPS of the plurality of UPSs and the ring bus, the at least one switch having an opening time of less than 10 milliseconds.

Abstract: A wireless power receiver can include a magnetic substrate and a coil configured to wirelessly receive power. The coil can be formed as a conductive layer on the magnetic substrate. A connecting unit can be disposed in a receiving space of the magnetic substrate and can be connected to the coil unit.

Abstract: A PoDL system includes a PSE connected via a wire pair to a PD, where differential data and DC power are transmitted over the same wire pair. Typically, low voltage/current detection and classification routines are required upon every powering up of the system to allow the PD to convey its PoDL requirements to the PSE. Various techniques are described that simplify or obviate such start-up routines or enable increased flexibility for the PoDL system. Such techniques include: ways to specify a particular PD operating voltage; ways to disable the PD's UVLO circuit during such routines; using opposite polarity voltages for the two routines; using voltage limiters or surge protectors to convey the PoDL information; detecting loop resistance; using a PSE memory to store previous results of the routines; and powering the PD communication circuit using the wire pair while the PD load is powered by an alternate power source.

Abstract: Provided is a wireless power antenna for wirelessly transmitting, receiving, or relaying power, the wireless power antenna comprising an insulating sheet and a wireless power coil including a split pattern unit including a plurality of patterns spaced from each other in at least a region thereof in a widthwise direction, wherein the split pattern unit is disposed on both a top surface and a bottom surface of the insulating sheet.

Abstract: A resonator circuit includes: a first inductive element and a second inductive element that is connected to the first inductive element in series; a first capacitive element, connected to a first end of the first inductive element and a first output end of the resonator circuit; and a set of second capacitive elements connected in series, the set of second capacitive elements having one end connected between the first and second inductive elements and having another end connected between the second inductive element and a second output end of the resonator circuit. The intermediate end of the set of second capacitive elements is used as a third output end of the resonator circuit.

Abstract: A wireless power transmission device may include a power transmitting module installed outside a vehicle for transmitting power, a power receiving module installed on the vehicle for receiving power from the power transmitting module, and a user interface module configured to control a position of the vehicle and the power transmitting and receiving modules so as to transmit power from the power transmitting module to the power receiving module.

Abstract: Disclosed are a wireless power transmitter and a power transmission method thereof. The wireless power transmitter includes a plurality of transmission resonance units, a detection power applying unit applying detection power to the transmission resonance units to detect a location of the wireless power receiver, and a current measuring unit measuring current generating from an inner part of the wireless power transmitter based on the applied detection power. The wireless power transmitter transmits the power through at least one transmitting resonance unit corresponding to the location of the wireless power receiver based on the measured current.

Abstract: A voltage supply device for an aircraft control device having a first and a second main channel arrangement for redundancy and reliability, wherein the voltage supply device has a first and a second output transformer, wherein a first output inductor of the first main channel arrangement is designed as a primary winding of the first output transformer, and the second output inductor of the second main channel arrangement is designed as a primary winding of the second output transformer; and wherein the voltage supply device has at least a first secondary channel arrangement, wherein the first secondary channel arrangement has a first secondary voltage output and a first secondary winding of the first output transformer and a first secondary winding of the second output transformer, wherein the first secondary voltage output is connected to the first secondary windings which are connected in parallel.

Abstract: Systems, apparatus and methods for seamless metal back cover for combined wireless power transfer, cellular, WiFi, and GPS communications are provided. In one aspect, an apparatus for wirelessly coupling with other devices comprises a metallic cover comprising a first metallic portion separated by a first non-conductive portion from a second metallic portion of the metallic portion to define a first slot. The apparatus further comprises a conductor comprising a first end portion electrically coupled to the metallic cover at the first metallic portion and a second end portion crossing the first end portion and electrically coupled to the metallic cover at the second metallic portion. The metallic cover and the conductor form a coupler configured to wirelessly receive power sufficient to charge or power a load of the apparatus from a wireless power transmitter.

Abstract: A power supply system for an electrified vehicle according to an exemplar aspect of the present disclosure includes, among other things, a primary power source and an auxiliary power source configured to selectively supply power in place of or in addition to the primary power source. At least one electrical connector is configured to connect the auxiliary power source to the power supply system.

Abstract: An electric power supply device includes first and second batteries respectively supplying electric power to a plurality of load instruments mounted on a vehicle, an electric power generator capable of charging the first battery and the second battery by regenerative electric power generation, and control means for controlling the electric power generator so that a charging electric power amount of at least one of the first battery and the second battery based on the regenerative electric power generation is suppressed in a case where at least one of a high-load instrument and a backup target instrument is present among the plurality of load instruments and the electric power generator is performing the regenerative electric power generation during the deceleration of the vehicle.

Abstract: A wireless power supply device includes a resonance circuit including a coil and a capacitor, a power supply portion that supplies AC power to the resonance circuit based on a drive signal having a prescribed drive frequency, and a controller that substantially matches the phase of the drive signal and the phase of oscillation of the resonance circuit by switching the direction of a current that flows into the coil.

Abstract: A system is provided. The system includes a plurality of uninterruptible power supplies (UPSs), a ring bus, a plurality of chokes, each choke of said plurality of chokes electrically coupled between a respective UPS of said plurality of UPSs and the ring bus, and a plurality of series compensators, each series compensator of the plurality of series compensators electrically coupled between an associated choke of the plurality of chokes and the ring bus.

Abstract: Disclosed is a wireless power transmitting apparatus to wirelessly transmit power to a wireless power receiving apparatus through a transmission resonance coil by using resonance. An AC power generating unit generates quasi square-wave AC power having quasi square-wave voltage. A transmission induction coil transmits the quasi square-wave AC power to the transmission resonance coil through electromagnetic induction.

Abstract: An automatic autonomous redundant switch configured for providing energy from either a first power source or a second power source to a load is provided. The automatic switch includes a first automatic transfer switch (ATS) and a second ATS. The automatic switch further includes an interconnecting bus configured to connect the first ATS and the second ATS, and at least one controller configured to control the operation of the first ATS and the second ATS. Still further, the first ATS and the second ATS each include a respective transfer-switch mechanism, a respective bus attachment configured to connect to the interconnecting bus, and a respective motorized rack-out mechanism having a powered actuator.

Abstract: An apparatus including a first layer having a first coil; a second layer having a second coil, where the first and second coils are stacked relative to each other and configured to be located at an aperture of a housing member including electrically conductive material; and a third layer located under the second layer. The third layer includes a ferrite member located under the second coil such that the second coil is between the first coil and the ferrite member. The first coil or the second coil has a substantially “8” shape.

Abstract: A PoDL system includes a PSE connected via a wire pair to a PD, where differential data and DC power are transmitted over the same wire pair. Typically, low voltage/current detection and classification routines are required upon every powering up of the system to allow the PD to convey its PoDL requirements to the PSE. Various techniques are described that simplify or obviate such start-up routines or enable increased flexibility for the PoDL system. Such techniques include: ways to specify a particular PD operating voltage; ways to disable the PD's UVLO circuit during such routines; using opposite polarity voltages for the two routines; using voltage limiters or surge protectors to convey the PoDL information; detecting loop resistance; using a PSE memory to store previous results of the routines; and powering the PD communication circuit using the wire pair while the PD load is powered by an alternate power source.

Abstract: A power transmitting device includes a power transmitting coil that forms a magnetic field when an AC voltage is applied thereto and transmits electric power in a non-contact manner to a power receiving coil through the magnetic field, a foreign object detector, a magnetic field detector, and a control device that receives information about a result of detection of a foreign object by the foreign object detector and information about a result of detection of the magnetic field by the magnetic field detector. The control device determines whether there is a foreign object or not based on the result of the detection of a foreign object performed by the foreign object detector during a timing period when the strength of the magnetic field is equal to or lower than a prescribed value.

Abstract: A multilayer conductor includes at least one separation dielectric layer and a plurality of conductor layers stacked in an alternating manner. Each of the plurality of conductor layers includes a first conductor sublayer and a second conductor sublayer separated from the first conductor sublayer by a sublayer dielectric layer. The second conductor sublayer at least partially overlaps with the first conductor sublayer in each of the plurality of conductor layers. The multilayer conductor is included, for example, in a device including a magnetic core adjacent to at least part of the multilayer conductor.