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Matches 1 - 50 out of 1,550

Document Document Title
WO/2019/013547A1
A data communication method for wireless power charging and an electronic device using the same is provided. An electronic device performing authentication for wirelessly receiving power supplied from an external electronic device includ...  
WO/2019/007971A1
The invention relates to a photovoltaic unit (1) comprising a photovoltaic module (2), a controllable step-up converter (3) and a control unit (9). The control unit (9) controls the step-up converter (3) such that resonant operation occu...  
WO/2019/004753A1
The present invention relates to a multi-coil based wireless power transmission device and method. Disclosed in the present specification is a wireless power transmission device comprising: a primary coil array forming a magnetic couplin...  
WO/2019/004535A1
Provided is a door lock charging device which is supplied with electric power from an external power source and generates an electromagnetic field for charging the door lock device. The door lock charging device may comprise: an electrom...  
WO/2018/231054A1
Between individual phases of a three-phase alternating current source, AC to DC converters are provided. The DC outputs of the converters are switched in parallel. The DC output may have the same effective voltage as the input, or higher...  
WO/2018/226871A1
A system for wireless power delivery including one or more transmitters and receivers. A method for wireless power delivery, preferably including: determining transmitter-receiver proximity; determining transmission parameter values, pre...  
WO/2018/226322A1
A wireless charging device (102) is disclosed. The wireless charging device (102) includes a transmitter detection coil (130) configured to receive a first alternating current (AC) voltage signal having a characteristic associated with a...  
WO/2018/226864A1
A system for wireless power reception, preferably including one or more: antennas, dynamic impedance matches, RF-DC converters, DC impedance converters, and/or DC power outputs. A method for wireless power reception, preferably including...  
WO/2018/222287A1
A wireless charging device (102) includes a driver unit (110) configured to generate one of a first AC voltage signal having a first frequency and a second AC voltage signal having a second frequency. Also, the wireless charging device (...  
WO/2018/222858A1
Controlling an energy storage system includes providing an output power from a renewable power module to a voltage bus, a buck-boost converter of respective power converters regulating power flow between the voltage bus and one or more r...  
WO/2018/202462A1
An electric charging system for a vessel, vehicle, or aircraft comprises one or more energy storage modules (97) on the vessel, vehicle, or aircraft; a pulse rectifier (105); a converter (106); and a voltage control transformer (91). The...  
WO/2018/200516A1
Systems and methods for operating an energy storage system in a wind turbine system are provided. A wind turbine system can include a wind turbine, a power conversion system operably coupled to the wind turbine and an AC line bus, and an...  
WO/2018/192947A1
Device for controlling a terminal for re-establishing power in a multi-terminal high-voltage DC transmission installation including the terminal, the terminal comprising at least one voltage converter comprising an electrical energy stor...  
WO/2018/190986A1
A wireless charging device includes a power source (106) configured to generate a direct current (DC) voltage signal. Also, the wireless charging device includes a driver unit (108) configured to receive the DC voltage signal and convert...  
WO/2018/186954A1
Techniques for focusing the energy radiated by a wireless power transmitting unit are described. An example power transmitting unit includes a transmit coil configured to generate a magnetic field to wirelessly power a device within an a...  
WO/2018/165622A1
A wireless power receiver, a system including the receiver, and a method for using the receiver are discussed. The wireless power system according in some examples may include a wireless power receiver including a coil for receipt of wir...  
WO/2018/162367A1
The invention relates to a near-field communication -powered electromechanical lock. The lock comprises an antenna circuit (112) with a main resonator loop (202) comprising of a first loop antenna (204) coupled in series with a first cap...  
WO/2018/152321A1
A power supply system and method for a mobile medical workstation are provided herein. A charger is configured to receive AC input from a mains power source and generate a DC output. A battery is configured to be charged by the DC output...  
WO/2018/149381A1
This disclosure is directed to a wireless charging system. The system may include a charging area, and a plurality of power transmitter coils placed on one layer to cover the charging area. Centers of each three adjacent power transmitte...  
WO/2018/145987A1
The invention proposes a method for wireless, in particular inductive, energy transmission from an energy transmission device (14) to a consumer (18), wherein in at least one method step, the energy transmission from the energy transmiss...  
WO/2018/145986A1
The invention relates to a method for operating an induction charging device (10), wherein in at least one method step (30) a foreign object detection is carried out. According to the invention, in at least one method step (32) the forei...  
WO/2018/139961A3
A power transmission system and method for transmitting power over a three-phase power system on a multi-conductor power cable between a surface and a sub-surface location are provided. A surface system includes a power supply providing ...  
WO/2018/138127A1
The invention relates to a receiving device for a system for inductive power transmission, wherein the receiving device (1) comprises a housing, the housing comprises a cover part (2) and a base part (3) as housing parts, and the housing...  
WO/2018/139961A2
A power transmission system and method for transmitting power over a three-phase power system on a multi-conductor power cable between a surface and a sub-surface location are provided. A surface system includes a power supply providing ...  
WO/2018/136940A1
A system, recharge apparatus, and method includes transmit coils positioned in a pattern to allow at least one of the transmit coils to establish a wireless link with a receive coil positioned in proximity of the recharge apparatus. A po...  
WO/2018/129578A1
A power power distribution for end user premises in which incoming power is converted to SELV (Safety Extra Low Voltage) for distribution to intelligent adaptors for converting to the specific DC voltage required by an appliance. The pow...  
WO/2018/118022A1
In an example, a display device with power inputs includes a first power input to receive a first amount of input power, a second power input to receive a second amount of input power, a power allocator to combine at least a portion of t...  
WO/2018/114272A1
The invention relates to an energy transfer system (1) having: an transfer device (3) for contactless transferring of electrical energy; an inverter device (4), which is designed to transfer electrical energy from an energy source (6) to...  
WO/2018/118152A1
This specification describes a power distribution system comprising a first section that receives power from a first source. The power received from the first source is adjusted by a rectifier unit coupled to a power bus of the first sec...  
WO/2018/111820A1
A charging pad (104) includes a power drive unit (110) to generate a first low-amplitude signal having a first frequency and a second low-amplitude signal having a second frequency. Also, the charging pad (104) includes a transmitting un...  
WO/2018/111424A2
A calibration device includes a controller configured to communicate a plurality of input voltage signals having different determined frequencies to a first power exchange coil. Also, the calibration device includes a load unit coupled t...  
WO/2018/111416A1
A charging pad (130) for charging one or more receiver devices (106, 108) is disclosed. The charging pad (130) includes a power drive unit (110) configured to generate a first AC voltage signal having a first frequency and a second AC vo...  
WO/2018/111424A3
A calibration device includes a controller configured to communicate a plurality of input voltage signals having different determined frequencies to a first power exchange coil. Also, the calibration device includes a load unit coupled t...  
WO/2018/104068A1
A wireless power transfer system includes a power receiver (105) comprising a coil (107) for extracting power from an electromagnetic signal generated by a power transmitter (101). A load controller (305, 309) disconnects a load (303) du...  
WO/2018/100398A1
Apparatus for use in a microgrid, which comprises a DC bus with at least one DC power source connected thereto, an AC bus connected to a mains power grid that supplies the microgrid, and a DC/AC converter coupling the DC bus and the AC b...  
WO/2018/095846A1
The invention relates to an inductive component (100), having a planar ferrite core (110) and a hybrid double-D solenoid coil (150), which is arranged over the planar ferrite core (110) and has a plurality of windings (160). The pluralit...  
WO/2018/088657A1
A wireless power transmission device radiating electromagnetic waves is disclosed. The wireless power transmission device can comprise: a first circuit board; a first conductive member mounted on a first surface of the first circuit boar...  
WO/2018/075359A1
A process control apparatus for the control of an industrial process is disclosed herein. The process control apparatus may include a power supply that supplies electrical power, and a single source disposed about an industrial process, ...  
WO/2018/069771A1
It is often desirable to transmit data between circuits or components operating at a relatively high voltage and circuits operating at a relatively low voltage. Such a task can be performed by use of an isolator. Some isolator designs us...  
WO/2018/063919A1
Electrochromic windows powered by wireless power transmission and powering other devices by wireless power transmission are described along with wireless power transmission networks that incorporate these electrochromic windows.  
WO/2018/063618A1
An apparatus is described. The apparatus includes a transmission coil and a power amplifier. The power amplifier includes a microcontroller and a memory. The memory includes instructions to determine electric current output of the power ...  
WO/2018/057139A1
An aspect of this disclosure is an apparatus for receiving power wirelessly. The apparatus comprises a power receiver circuit that receives power from a magnetic field of a transmitter to provide to a load. At least one receiver componen...  
WO/2018/056633A1
According to an embodiment of the present invention, a method for transferring wireless power by an electric power transmitter may comprise: a selection step of monitoring placement or removal of an object on or from an interface surface...  
WO/2018/048712A1
A self-tuning impedance-matching microelectromechanical (MEMS) circuit, methods for making and using the same, and circuits including the same are disclosed. The MEMS circuit includes a tunable reactance element connected to a first mech...  
WO/2018/048312A1
An inductive power transmitter for an inductive power transfer system including a power regulation circuit utilising only primary side parameters to control power flow. The duty cycle of the waveform applied to the transmitter coil is ad...  
WO/2018/046236A1
The invention relates to a vehicle comprising an electric machine for driving the vehicle, a battery for feeding the electric machine, an internal combustion engine for generating electric energy and/or for directly driving the vehicle, ...  
WO/2018/032009A1
Disclosed herein are embodiments of near-field power transfer systems that include antenna elements that are constructed or printed close to each other in a meandered arrangement. In a meandered arrangement, neighboring antenna elements ...  
WO/2018/031317A1
A first device module comprises a first coupling arrangement; the first coupling arrangement comprising a first inductive coil, a first magnetic core positioned within the first inductive coil to form a first electromagnet, and a first c...  
WO/2018/022213A1
A method and modular system for assembling a power system architecture includes a direct current (DC) output module having a first DC input and a DC output, a common power module having a DC input/output and an alternating current (AC) i...  
WO/2018/021935A1
The group of inventions relates to the field of electrical power engineering, and the claimed technical solutions allow for creating reversible high-voltage electrical conversion devices having a single design and an original operating m...  

Matches 1 - 50 out of 1,550