Abstract: The disclosure relates to systems and methods for managing wireless power transfer network for communication devices, providing central management in communication with a cloud based network for enabling remote activation. The system comprising at least one wireless power outlet and at least one management server. The management system, of the current disclosure, is enabling possible remote activation and associate between a communication device and a wireless power receiver, thus, allowing power transfer between the remote health check and maintenance of all of wireless power outlets from an outlet to a communication device via an associated wireless power receiver as well as providing communication based upon its UDID associated with the relevant RXID.

Abstract: A retrofittable wireless power receiver is disclosed for providing inductive power reception functionality to at least one host device. The retrofittable wireless power receiver comprises a support platform, a secondary inductor operable to couple inductively with a primary inductor associated with a wireless power transmitter; a power reception circuit operable to control inductive power transfer from the primary inductor to the host device, a synchrorectifier, and a near field communication antenna. The retrofittable wireless power receiver further comprises an array of electrical contacts that comprises a VOUT and GND pair of terminals wired to the sychrorectifier, a DISABLE terminal wired to the power reception circuit and configured to disable power transfer, and a pair of data contacts wired to the near field communication antenna.

Abstract: An inductive power transmitter for inductive power transmission to an inductive power receiver is provided, comprising a primary coil, capable of being inductively coupled to a secondary coil in the inductive power receiver, a power supply and an associate driver configured to provide a varying electrical potential from the power supply to the primary coil, a monitoring system configured to measure electrical flow parameters of the primary coil, and a controller configured to detect, based on the electrical flow parameters measured by the monitoring system, an error condition indicative of a foreign object introduced between the primary coil and the secondary coil, and to facilitate, when the error condition is detected, interrupting the electrical potential to the primary coil.

Abstract: A system and method is disclosed for integrating inductive power outlet functionality to provide power transfer to electrical devices, as an in-surface wireless charging system, embedded into a host such as a furniture item. An inductive power outlet may include a body casing for containing a primary inductor a driving unit and a fastening mechanism. The body casing may have dimensions suitable for introduction into a passageway through a plate of the item of furniture. The fastening mechanism may be utilized to secure the body casing to the plate of the item of furniture.

Abstract: An inductive power transfer system is provided that includes at least one inductive power receiver having at least one secondary inductor for forming an inductive couple with a primary inductor and providing power to an electric load and at least one inductive power outlet having at least one primary inductor wired to a power supply via a driver configured to provide a driving voltage across the primary inductor. The driving voltage is oscillating at a transmission frequency significantly different from the natural frequency of the inductive couple. The system further includes at least one power monitor and at least one frequency modulator operable to adjust the natural frequency of the inductive couple thereby regulating power provided to the electric load.

Abstract: An inductive power transfer system and methods for controlling efficient operational wireless power transfer to an electrical device. The system includes an inductive power outlet, an inductive power receiver and a signal transfer system communicating power transfer instruction from receiver to outlet, while transferring power from the outlet to the receiver. The present invention relates to wireless power transfer systems and methods incorporating a current limiter activation mechanism to allow power transfer at an extended operational range, providing a technical solution when an inductive power outlet and an inductive power receiver are laterally misaligned.

Abstract: An inductive power transmitter comprises a first primary inductor configured to inductively couple a first secondary inductor and configured to hold a first variable electrical potential. The transmitter also comprises a second primary inductor configured to inductively couple a second secondary inductor that is configured to hold a second variable electrical potential. The primary inductors are arranged in an overlapping fashion on a substrate forming a charging surface. The first primary inductor is connected to a first driver capable of providing the first variable electrical potential, and the second primary inductor is connected to a second driver capable of providing the second variable electrical potential in a first embodiment while a second possibility is that the first primary inductor is connected to a first driver capable of providing the first variable electrical potential, and the second primary inductor comprises capacitor and is not connected to a driver.

Abstract: A vehicle inductive power assembly and method for transferring electrical power inductively to an electrical device, in a motorized vehicle. The system includes an inductive power transfer system which is configured to provide the electrical power to the electrical device as well as a communications security system which is configured to establish a secure communications channel between the inductive power transfer system and the electrical device. Following activation of the inductive power transfer system, the communications security system initiates a handshaking procedure between the inductive power transfer system and the electrical device. If the handshaking procedure is successful the communications security system instructs the inductive power transfer system to commence providing the electrical power to the electrical device.

Abstract: Wireless power transfer between a power transmitter and a power receiver may include a power transfer established by a detector of the wireless power transmitter detecting a magnetic field from a wireless power receiver in proximity to the wireless power transmitter and activating the wireless power transmitter to transfer power to the wireless power receiver.

Abstract: A pin-less power coupling arrangement comprising at least one pin-less power jack; the power jack comprising a primary coil shielded behind an insulating layer for inductive coupling to a pin-less power plug; said power plug comprising a secondary coil wherein said insulating layer is substantially flat and said power plug and said power jack may be aligned by an alignment means. Various such alignment means are discussed as are enabled surfaces for supporting inductive power jacks and inductive plugs coupled to various appliances.

Abstract: Wireless power transfer between power transmitters and power receivers may be established by a digital ping phase during which the wireless power transmitter applies a power signal and waits for a valid response message from the power receiver. The response message may include an identification code and a checksum byte used by the power transmitter to validate the identification code. When a valid response is received, the power transmitter transitions to a power transfer phase.

Abstract: A shielding arrangement for preventing AM radio interference when a wireless charger is used in a vehicle has a plurality of parallel conductors arranged at a distance from one another responsive to a frequency desired to be attenuated. An interconnection arrangement includes a solid conductive junction and connects the conductors to one another without forming loops, and to ground. The conductors are traces disposed on a PCB. Additional parallel conducts are disposed on the other side of the PCB at an orthogonal orientation with respect to the first conductors. The spacing between the conductors is determined in response to the frequency desired to be attenuated, as well as frequencies thereabove that are desired to be propagated therethrough, such as mobile telephone signals. The solid conductive junction that is disposed on the printed circuit board is electrically and thermally conductive, such as copper.

Abstract: A method for wirelessly powering a load over an inductive link, wherein the inductive link is between a primary side and a secondary side, including transmitting a first power from the primary side to the secondary side; receiving by the primary side a modulated data signal from the secondary side; demodulating the received data signal; determining, based on the demodulated data signal, whether to transmit power to the load; and transmitting, based on the determination, power to the load of the secondary side over the inductive link.

Abstract: An inductive power transfer system operable in a plurality of modes comprising an inductive power transmitter capable of providing power to the inductive power receiver over an extended region. The system may be switchable between the various modes by means of a mode selector operable to activate various features as required, such as: an alignment mechanism a resonance tuner, an auxiliary coil arrangement or a resonance seeking arrangement. Associated methods are taught.

Abstract: There is provided a method including transmitting inductively a first signal, receiving inductively a second signal in response to the first signal, determining whether the inductively received signal includes a modulation, and adjusting a power of the transmitted signal on the basis of a modulation of the received signal.

Abstract: An inductive power receiver configured for receiving power transferred from an inductive power outlet having a primary coil includes a secondary coil configured to form an inductive couple with the primary coil thereby facilitating the power transfer. The inductive power receiver further includes a transmission circuit having a variable amplifier configured to vary the voltage of the power drawn by the secondary coil, and a modulator configured to control the variable amplifier. The inductive power receiver is configured to modulate a signal by the varying of the voltage. An inductive power outlet configured for transferring power to the inductive power receiver includes a primary coil and a receiving circuit configured to detect changes in voltage of the power transferred and to produce an output signal based on the changes.

Abstract: A triggerable power transmitter for power transmission from a primary coil to an inductively coupled secondary coil in a power receiver has a primary coil; a driver for electrically driving the primary coil; a front end receiving analog signal indicative of resonance properties of the primary coil and generating digital information in response to the analog signal; and a processor capable of: determining if said primary coil is coupled to a secondary coil based on the digital information, and triggering power from the primary coil to said secondary coil when said primary coil is inductively coupled to said secondary coil. The effective inductance of the primary coil increases reducing the resonance frequency when a secondary coil is inductively coupled to the primary coil. However, foreign material such as a metal sheet placed on the primary coil increases the effective resistance thus shortening the decay time of the resonance.

Abstract: An electrical device includes a host charger power management integrated circuit wired to a battery, a wired power input comprising a first VOUT and GND pair of power connectors wired to a first pair of charging inputs of the host charger power management integrated circuit, a wireless power port for conductively connecting with a retrofittable wireless power receiver, said wireless power port comprising a second VOUT and GND pair of power connectors wired to a second pair of charging inputs of the host charger power management integrated circuit; and a power DISABLE connector for communicating a DISABLE signal to disable charging.

Abstract: A wireless power receiver, configured to receive power from a wireless power outlet and to communicate with a host for providing electrical power thereto, is provided comprising a secondary inductive coil configured to receive power from a primary coil of the wireless power outlet, and a host control interface configured to facilitate communication between the wireless power receiver and the host. The host control interface comprises contacts, one or more information-carrying contacts configured to conduct at least one of a clock and a data signal between the wireless power receiver and the host, supply input and power supply ground contacts configured to cooperate to provide current between the wireless power receiver and the host, an interrupt-signal contact configured to carry an INTERRUPT signal from the wireless power receiver and the host, and an enable-signal contact configured to carry an ENABLE signal from the host to the wireless power receiver.

Abstract: An inductively enabled power pack charging system and method includes an integrated circuit for controlling inductive transfer of power to the power pack and managing communication with an external power source. The system may further include an electrochemical cell for storing energy received from the external power supply and magnetic shielding material for guiding magnetic flux away from the electrochemical cell.