摘要:
A communication method of a power transmitting unit (PTU) in a wireless power transmission system includes receiving a connection request signal from each of at least one power receiving unit (PRU), transmitting impedance change information of the at least one PRU to the at least one PRU, sensing a change in an impedance of each of the at least one PRU receiving the impedance change information, and determining whether each of the at least one PRU is connected based on the sensed change in the impedance.
摘要:
Embodiments of systems and methods for inductively powering seismic sensor nodes are presented. An embodiment of an inductive battery includes a battery cell configured to store charge for use by an external device. The inductive battery may also include a first inductive element coupled to the battery cell, the first inductive element configured to receive current from the battery cell and emit a responsive magnetic field for powering an external device through inductance. In an embodiment the external device is a seismic sensor node.
摘要:
The invention relates to a device that can be used to transfer power tirelessly, which is based on at least two resonators comprising photonic crystals defined by multiple layers of two different materials disposed concentrically and producing a circular sandwich-type structure. In one of the preferred embodiments of the device of the invention, the photonic crystals of each resonator of the device are disposed concentrically, which is the preferred configuration for each resonator, although different configurations can be used in alternative embodiments in which the photonic crystals are disposed radially. The outside radius of each resonator can be defined according to various parameters, with the parameter referring to the wavelength of the working frequency being one of the preferred parameters when establishing the outside radius.
摘要:
A localization system (1) includes an animal transceiver (10) and a floor transceiver circuit (40). The animal transceiver (10) is configured to be fixed to an animal (20) to transceive a radio frequency signal. The floor transceiver circuit (40) is arranged on a floor surface (30) and configured to determine a position of the animal transceiver within the floor surface on the basis of the radio frequency signal received from the animal transceiver (10). An animal cage (50) includes a cage configured to accommodate an animal (20), and the localization system (1).
摘要:
Techniques for proximity sensing in a wireless power transmitter in a system, method, and apparatus are described herein. For example, an apparatus may include a transmitter coil configured to generate a magnetic field. The apparatus may also include a controller configured to reduce a strength of the magnetic field based on a proximity detection of an object.
标题翻译:SPULENEINHEIT,KONTAKTFREIEENERGIEÜBERTRAGUNGSVORRICHTUNG,KONTAKTFREIE ENERGIEEMPFANGSVORRICHTUNG,FAHRZEUG UND KONTAKTFREIES ENERGIEVERSORGUNGSSYSTEM
摘要:
A system for the inductive transmission of power from a primary coil to a secondary coil and its associated secondary circuits, and for the inductive transmission of data between the primary and secondary coils includes a hard body-armor plate mountable in a tactical garment wherein at least one primary coil is embedded in the plate behind the plate's strike-face by a substantially uniform said first depth, and wherein the primary circuits of the primary coil are adapted to be electrically connected to a central power source carried on or in cooperation with said garment, and at least one device pocket is provided for an electronic hand-held device wherein said device pocket is mountable to an outer surface of said garment so as to be in an inductively coupling position aligned over said primary coil in said plate to thereby align said secondary coil of a hand-held device in the device pocket over and into inductively coupled registry with said primary coil in the plate.