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Patent Searching and Data


Matches 1 - 50 out of 1,509

Document Document Title
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...  
WO/2018/013754A1
A method for docking an autonomous mobile floor cleaning robot with a charging dock, the robot including a receiver coil and a structured light sensor, the charging dock including a docking bay and a transmitter coil, includes: positioni...  
WO/2018/010881A1
The present invention relates to a method for operating a charging apparatus for inductive energy transfer from a transmitting coil to a receiving coil which is at a distance from the transmitting coil and is arranged in a vehicle. The t...  
WO/2018/009286A1
In one example a docking mat for an electronic device comprises a substrate defining a first major surface on which the electronic device may be positioned, a power source coupling, a plurality of power grids embedded in the first major ...  
WO/2017/222688A1
Wireless power transfer for integrated cycle drive systems is described. A cycle power system includes a rim that is connected to, and positioned concentrically with, a sealed housing that can rotate about an axis. The cycle power system...  
WO/2017/220277A1
The present invention relates to an apparatus for inductive energy transfer from at least one transmitting apparatus to an at least one receiving apparatus which is at a distance from the at least one transmitting apparatus, wherein the ...  
WO/2017/218349A1
A charging system for an Implantable Medical Device (IMD) is disclosed having a charging coil and one or more sense coils. The charging coil and one or more sense coils are preferably housed in a charging coil assembly coupled to an elec...  
WO/2017/218856A1
An active variable reactance rectifier circuit including an active variable reactance rectifier circuit input port and an active variable reactance rectifier circuit output port adapted to couple to a load. The circuit includes a power s...  
WO/2017/218424A1
An apparatus for wirelessly transferring charging power is provided. The apparatus comprises a ferrite structure. The apparatus comprises a first coil comprising a first conductor wound in a first layer at an outer side of the first coil...  
WO/2017/217662A1
The present invention relates to a foreign object detection method, and an apparatus and system therefor. A method for foreign object detection in a wireless power transmission device according to an embodiment of the present invention m...  
WO/2017/217663A1
The present invention relates to a method and an apparatus for detecting foreign material for wireless charging, and according to one embodiment of the present invention, a method by which a wireless power transmitter detects foreign mat...  
WO/2017/208231A1
Ambient RF EM energy harvesting generator and a corresponding method, including an antenna arrangement that receives and yields RF output, rectified by an RF to DC rectifier into DC output. The RF EM antenna arrangement includes at least...  
WO/2017/209968A1
Devices and methods for distributing power are disclosed. For example, one device includes multiple assemblable elements, each assemblable element is configured to permit interlocking between one or more of the multiple assemblable eleme...  
WO/2017/204663A1
A coil arrangement for an inductive power transfer system comprising a core (32, 33) having a region of decreased permeability (34), a coil (45) associated with the core, and a tuning slug (35) which is moveable along an axis adjacent th...  
WO/2017/199462A1
The purpose of the present invention is to provide a current/voltage control system capable of following changes in electric power in a direct-current system. The current/voltage control system (1) according to the present invention comp...  
WO/2017/187408A1
According to an embodiment, the invention comprises a device (106) for optimizing the yield of solar panels (100) which are coupled to an electricity grid (103) by means of a converter (101 ) and MPPT module (102); and wherein the MPPT m...  
WO/2017/176666A1
A power distribution system includes at least two DC buses and at least two AC buses and a plurality of converter units interconnecting the DC buses and the AC buses in a ring. The system may further include one or more AC power sources ...  
WO/2017/176908A1
A method is provided that includes identifying, by a power transferring unit, a power receiving unit in a proximity of the power transferring unit. The method further includes determining whether the power receiving unit is in a near fie...  
WO/2017/176128A1
An inductive power transmitter comprising a transmission circuit having a coil, the transmission circuit tuned, adapted or optimised at or about a first frequency for inductive power transfer or object detection; an inverter operable to ...  
WO/2017/174359A1
A wirelessly rechargeable energy store (1) is desired, comprising a housing (10), having a casing wall (100), in which a converter (12), a storage core (11), charging electronics (13) and an antenna structure are arranged along a longitu...  
WO/2017/157790A1
The present invention aims at a more efficient solution for a detection of operating conditions in an inductive power transfer system (10; 34) and for improved control of the inductive power transfer system (10; 34). According to the pre...  
WO/2017/151263A1
Methods and circuitry are disclosed to produce a first signal representative of the AC voltage signal and a second signal representative of an AC current signal. The first and second signals may be combined with a clock signal to produce...  
WO/2017/140706A1
The electrical power distribution system for supplying an assembly of fixed frequency loads and an assembly of variable frequency loads comprises an assembly of at least one alternating voltage generator (G) at fixed frequency and an ass...  
WO/2017/142686A1
A wireless power transfer antenna includes a primary antenna portion configured to develop a primary electric field (E-field) and a primary magnetic field (B-field), and an auxiliary winding coupled to the primary antenna portion by the ...  
WO/2017/141224A1
The present invention relates to a device for inductively coupling an appliance to an electrical system. It is specifically for an inductive coupling which couples an electrical appliance to s single electrical cable. The inductive coupl...  
WO/2017/138026A1
The present invention relates to extracting power from a current-carrying conductor's magnetic field and regulate to a stable DC voltage power source. The regulated DC voltage can be used to power the internal electronic circuitry of the...  
WO/2017/138821A1
The present invention relates to a current multiplier primarily in the field of power conversion. The invention relates to a controlled current multiplier with a resonant winding to assist with, for example, power conversion. In particul...  
WO/2017/139092A1
A reconfigurable wireless power transmit antenna includes an antenna coil configured in a first configuration having a first number of turns configured to operate at a first frequency, the antenna coil configurable in a second configurat...  
WO/2017/131345A1
The present invention relates to a wireless power supply apparatus comprising: n transmission coil(s) for transmitting a magnetic field; a frequency generation unit for supplying an AC signal having a predetermined operation frequency; n...  
WO/2017/131931A1
An electronic apparatus may include an electrically conductive body configured to magnetically couple to a first magnetic field. A first tuning element may be connected to the electrically conductive body. An electrically conductive coil...  
WO/2017/131531A1
A method comprising determining a level of control viability for a inductive power transfer system within a predetermined control range; and adjusting the reactance of the inductive power transfer system if the level of control viability...  
WO/2017/131916A1
An apparatus may include an electrically conductive body to magnetically couple to a first magnetic field. A first tuning element may be connected to the electrically conductive body. An electrically conductive coil may be wound about an...  
WO/2017/131532A1
An inductive power transmitter comprising an LCL circuit which includes a transmitter coil; and a power inverter including a plurality of control devices configured to drive the LCL circuit; wherein the frequency of a plurality of drive ...  
WO/2017/122928A1
The present invention relates to a wireless power control method and a device therefor, and according to one embodiment of the present invention, a wireless power control method of a wireless power transmitter capable of wirelessly charg...  
WO/2017/115953A1
The present invention relates to a method for controlling such that, in an MMC for HVDC, each submodule of an unbroken down converter arm operates while lowering output voltage, so as to continuously operate a system, when a submodule of...  
WO/2017/116630A1
A wireless power transfer device (105) including a first coil (115) having a first portion (150), and configured to generate a magnetic field, and a second coil (120) having a second portion (165). The second coil (120) positioned with r...  
WO/2017/115112A1
Apparatus and methods are described, including apparatus that includes an antenna (34), configured to, by drawing energy from a magnetic field, provide a main supply voltage. The apparatus further includes operational circuitry (46, 22) ...  
WO/2017/114940A1
A vision traffic marker network system includes a management system and a plurality of self- powered wireless traffic nodes configured to collect data from a wireless mesh network. Each wireless traffic node is configured to function as ...  
WO/2017/117451A3
A wireless power transmission system includes a transmitter configured to transmit power waves including printed circuit boards and antenna boards, where each antenna board comprises one or more antenna elements, at least one antenna boa...  

Matches 1 - 50 out of 1,509