A modular wireless power transfer system includes a first wireless transmission system and a wireless repeater system. The first wireless transmission system is configured to receive input power from an input power source, generate AC wireless signals, and couple with the wireless repeater system. A magnetic sensor system in the first wireless transmission system senses a magnet of specific strength in a specific location on the wireless repeater system. Based on the presence of absence of such a magnet, the first wireless transmission system allows or disallows, respectively, the transmission of the AC wireless signals to the wireless repeater system.

A modular wireless power transfer system includes a first wireless transmission system and a wireless repeater system. The first wireless transmission system is configured to receive input power from an input power source, generate AC wireless signals, and couple with the wireless repeater system. A magnetic sensor system in the first wireless transmission system senses a magnet of specific strength in a specific location on the wireless repeater system. Based on the presence of absence of such a magnet, the first wireless transmission system allows or disallows, respectively, the transmission of the AC wireless signals to the wireless repeater system.

Provided is an amplifying repeater to intensify and amplify a magnetic field of electromagnetic waves. Also provided is a wireless power conversion charging device using the magnetic field of electromagnetic waves, which is located between an electromagnetic wave generating source transmitter and a receiving coil or attached to a transmitter and a receiving coil. Accordingly, charging power for various electronic devices can be provided and power can be wirelessly supplied to various loads.

A carry case can house multiple removable electronic devices and facilitate wireless power or data communication among the devices. The case can include a primary coil for inductively receiving energy from a source device, and a secondary coil for inductively providing energy to a target device. The case can include a control circuit or a storage circuit coupled with the primary coil or the secondary coil. The control circuit can coordinate an inductive energy transfer among the source device, the target device, and the storage circuit using the primary or secondary coils.

A multi-coil repeater is provided for wireless power transfer from a transmitter, having an adjustable operation frequency, to a receiver coil having a ferrite layer behind it, the multi-coil repeater comprising: an array of passive repeater transmitting coils (RTC) in a single layer; a ferrite layer having a receiver facing side and a transmitter facing side, wherein the array is positioned on the receiver facing side; and a repeater receiving coil (RRC) positioned on the transmitter facing side; wherein each RTC of the array has a resonance capacitor to form a branch having a resonance frequency, wherein all branches are parallelly wired together, wherein a receiver placed above the receiver facing side causes the resonance frequency of at least one branch situated directly below the receiver to drop to a different resonance frequency; and wherein the transmitter adjusts its operational frequency to the RRC to be close to the different resonance frequency of the at least one branch.

Methods and systems for charging a device. The method may involve providing a first housing and a second housing, wherein each housing is configured with a first coil, a second coil, and control logic to control the functioning of their respective first and second coils depending on the orientations of the housings. The method may further involve physically linking the first housing and the second housing via a first flexible connection.

A wireless electrical energy transmission system is provided. The system comprises a wireless transmission base configured to wirelessly transmit electrical energy or data via near field magnetic coupling to a receiving antenna configured within an electronic device. The wireless electrical energy transmission system is configured with at least one transmitting antenna and a transmitting electrical circuit positioned within the transmission base. The transmission base is configured so that at least one electronic device can be wirelessly electrically charged or powered by positioning the at least one device external and adjacent to the transmission base.

A wireless electrical energy transmission system is provided. The system comprises a wireless transmission base configured to wirelessly transmit electrical energy or data via near field magnetic coupling to a receiving antenna configured within an electronic device. The wireless electrical energy transmission system is configured with at least one transmitting antenna and a transmitting electrical circuit positioned within the transmission base. The transmission base is configured so that at least one electronic device can be wirelessly electrically charged or powered by positioning the at least one device external and adjacent to the transmission base.

Disclosed is a receiver device for facilitating wireless power reception, the receiver device comprising a receiver transceiver configured for wirelessly communicating with at least one transmitter device. Further, the receiver device comprising of a receiver processing device communicatively coupled to the unique receiver transceiver. Further, the receiver device comprising a enabled receiver storage device configured for storing energy for at least one blockchain enabled receiver. Moreover, the receiver device comprising a unique power port communicatively coupled with the unique receiver transceiver, wherein the unique power output port is configured to be interfaced with at least one power input port of at least one electronic device, wherein the unique power output port is configured for supplying the electrical energy to the at least one electronic device.

Provided is a wireless charging system for a portable terminal, the system including: a terminal accessory which is fixed to the rear surface of a portable terminal and in which a transmission coil for generating a magnetic field for electromagnetic induction-type wireless charging is embedded; and a wireless charging device which is couplable to the terminal accessory by using magnetism, wherein: the terminal accessory and the wireless charging device include a first electric contact point and a second electric contact point, respectively, and thus, when the terminal accessory and the wireless charging device are coupled to each other, the first and second electric contact points come into contact with each other, so that power is supplied from the wireless charging device to the transmission coil embedded in the terminal accessory; and two or more magnets arranged in different polar directions from each other are provided at the wireless charging device.