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Patent Searching and Data


Matches 201 - 250 out of 21,328

Document Document Title
WO/2022/182828A1
A system that includes a power transmitting antenna (124) with a coiled conductor defined by a first axis and a second axis perpendicular to the first axis, where a single plane comprises the first axis and the second axis. The system in...  
WO/2022/181280A1
A contactless power feeding system for contactlessly feeding electric power from a power transmission device to a power reception device, wherein, at the operating frequency of an angular frequency ω0: the capacitance of a primary side ...  
WO/2022/171633A1
Energy transfer system (1) comprising an assembly of ports (10, 20, 30, 40) and an assembly of converters (11, 21, 31, 41), each converter being connected to one of the ports and being arranged so that the energy transmitted by a port (1...  
WO/2022/173141A1
According to various embodiments, a coil comprises: a first conductor disposed on a first plane; a second conductor which is disposed on a second plane differing from the first plane, and which includes a first end electrically connected...  
WO/2022/172512A1
A noncontact power supply device 10 is provided with a power transfer coil unit 56 attached to a spindle housing 20 and a power receiving coil unit 58 arranged on the outer peripheral surface of a tool holder 26, and supplies energy in a...  
WO/2022/169166A1
An electronic apparatus comprises a DC/DC converter, an inverter, a plurality of coils, a plurality of switches respectively connected to the plurality of coils, and a control circuit. The control circuit may be configured to: transmit a...  
WO/2022/166221A1
A coil module, comprising a coil, a magnetic conductive plate, and an adapter plate. The magnetic conductive plate is provided on the coil; and the adapter plate is provided on the coil, is electrically connected to the coil, and is conf...  
WO/2022/169228A1
The present disclosure provides a wireless power receiver. The wireless power receiver of the present disclosure may comprise: a resonant circuit which comprises a coil having a plurality of turns and receives power transmitted from a wi...  
WO/2022/169404A1
There is provided a multilayer coupler for wireless power transfer. The multilayer coupler includes: a coil configured for wireless power transfer based on magnetic induction and has a multilayer winding structure, the multilayer winding...  
WO/2022/168945A1
[Problem] To provide a magnetic resonance-type wireless power feeding device with which, even when the distance (transmission distance) between a power feeding-side coil and a power receiving-side coil is changed, it is possible to maint...  
WO/2022/164091A1
According to various embodiments of the present disclosure, a power transmission apparatus comprises a power transfer unit including a plurality of coils, and a processor operatively connected to the power transfer unit, wherein the proc...  
WO/2022/164087A1
A wireless charging apparatus according to an embodiment includes a magnetic unit with a low strain rate (thermal strain) at 180 ℃, wherein a position change (△DR1) at 180 ℃ is 0.07 or less, to thereby provide the magnetic unit wit...  
WO/2022/160135A1
Provided is an isolation transformer. The isolation transformer is applied to a power converter. The power converter further comprises a first power conversion module and a second power conversion module. The isolation transformer compri...  
WO/2022/164194A1
According to various embodiments, an electronic device comprises: a first coil wound in a first winding direction; a second coil arranged on the inside of the first coil so as to be wound in a second winding direction differing from the ...  
WO/2022/157670A1
A method and apparatus for controlling an intermediate resonant circuit in a wireless power or IPT system includes regulating a secondary with which the intermediate circuit is magnetically coupled so as to control the VA in the intermed...  
WO/2022/158900A1
An annular resonator of the present disclosure may comprise a conductor disposed on a surface of an annular-shaped structure and having a first end and a second end facing the first end, and a capacitor having a first end and a second en...  
WO/2022/157266A1
There is provided a shield for a wireless charging system including a transmitter coil and a receiver coil. The shield includes a thin sheet or layer made of soft or nanocrystalline ferrite. The shield is partly located, in use, between ...  
WO/2022/157739A1
A method of controlling a polyphase wireless power transfer coupler includes using duty cycle control to switch a polyphase converter to produce a periodic asymmetric voltage waveform across the phase windings.  
WO/2022/154228A1
An embodiment relates to an assembled pad assembly characterized by comprising: a reception pad supporting a reception coil; the reception coil connected to the outside by a wire and positioned on the reception pad; and a magnetic compos...  
WO/2022/154391A1
According to various embodiments, provided may be an electronic device comprising: a coil; an inverter configured to provide power to the coil; a power providing circuit configured to provide a voltage for driving the inverter; a communi...  
WO/2022/154028A1
A wireless power transmission coil comprising a first helical coil portion, a first spiral coil portion, a second helical coil portion, a second spiral coil portion, and a third helical coil portion which comprise windings with a common ...  
WO/2022/145952A1
Various embodiments relate to an electronic apparatus employing a wireless charging system, the electronic apparatus comprising: a battery; a charging circuit; and a circuit board which is electrically connected to the charging circuit a...  
WO/2022/144822A1
Provided is a system for monitoring faults in a medium- and/or high-voltage power line, which comprises: at least one sensor of a parameter that correlates with the fault, operatively connected to the medium- and/or high-voltage power li...  
WO/2022/139293A1
A device for identifying the location and type of an object according to the present invention comprises: a transmission and reception coil in which a conductive wire is wound concentrically and multiple times; a selection circuit for se...  
WO/2022/135703A1
The present invention is directed to a motor vehicle auxiliary unit (10) comprising - a low-voltage electric circuit (20), - a high-voltage electric circuit (18) which is galvanically isolated from the low-voltage electric circuit (20), ...  
WO/2022/136548A1
The invention relates to an electric rotary transformer (1) for transformer-based electric energy transmission. The rotary transformer (1) comprises a rotary transformer stator (3) which has a primary coil (2) and on which a transformer ...  
WO/2022/130132A1
A system for transmitting electrical energy comprising: transmitting and receiving quarter-wave resonant transformers, the quarter-wave winding of each of which is provided with contact terminals; a source and a receiver of electrical en...  
WO/2022/130481A1
Provided is a device for testing the balance characteristics of a zero-phase current transformer, the device being capable of testing the balance characteristics using a current source having a low output. The present invention compris...  
WO/2022/133501A1
Systems and method for wireless recording system-on-chips for distributed neural interface systems with inductive power delivery and UWB data transmission are described. In an embodiment, the system includes an implantable neural interfa...  
WO/2022/131509A1
A wireless charging device according to an embodiment can effectively dissipate heat generated in a magnetic part without causing a short circuit of a coil part or degradation of charging efficiency by having the magnetic part placed in ...  
WO/2022/131512A1
A wireless power transmitter capable of selecting a master wireless power receiver to visually provide, to a user, states-of-charge of wireless power receivers being charged comprises: a plate; a resonance coil; a short-range communicati...  
WO/2022/131676A1
According to various embodiments, an electronic device comprises: a resonance circuit including a battery, a coil, and a capacitor and configured to receive power wirelessly; a rectifier circuit that rectifies AC power, provided from the...  
WO/2022/130223A1
A WPT transmitter pad comprising: a cover, a coil, a metallic frame, and a frame magnetic sheet between the metallic frame and the cover.  
WO/2022/125570A1
Implants include a single tapped coil antenna having a first section and a second section for wireless power transfer, data downlink and data uplink. A modulated wireless power transfer signal is received by the tapped coil antenna and u...  
WO/2022/124558A1
A wireless charging device according to an embodiment can enhance charging efficiency and minimize heat generation while having an appropriate thickness by satisfying a specific expression in which characteristics including the distance ...  
WO/2022/124611A1
The present invention proposes a wireless charging apparatus for electronic devices, which, regardless of the position and direction in which an electronic device to be charged is placed, can uniformly charge the electronic device with h...  
WO/2022/124816A1
The present specification relates to a cooking appliance and, more specifically, to a cooking appliance comprising a lid and a main body and having an inner pot heated by induction heating. A cooking appliance according to one embodiment...  
WO/2022/124557A1
The wireless charging device according to an embodiment allows adjustment of characteristics, including the distance between a coil and a magnetic material, to be within particular numerical ranges and thus has high charging efficiency, ...  
WO/2022/123704A1
This wireless power supply unit comprises a power transmission coil, and a power reception coil that wirelessly receives power from the power transmission coil. One among the power transmission coil and the power reception coil has a sha...  
WO/2022/119102A1
According to various embodiments, a wireless power transmission device may comprise: a plurality of power transmission coils for transmitting power to a wireless power reception device; a plurality of inverters configured to apply altern...  
WO/2022/116460A1
The present invention relates to a high-order spatial-temporal symmetric wireless power transmission system and method, the method comprising the following steps: providing an N-order composite coil comprising N resonant circuits, N bein...  
WO/2022/108125A1
According to various embodiments, an electronic device may comprise: a housing including an inner space; a slide structure arranged slidably from the housing by a specified reciprocating distance; a bendable member that is connected to t...  
WO/2022/095172A1
A wireless charging FPC coil structure. The wireless charging FPC coil structure (100) comprises: an insulating medium (230), two opposite surfaces of the insulating medium (230) being a first winding plane (210) and a second winding pla...  
WO/2022/097050A1
An inductive power transfer receiver comprising: a receiving coil, a tuned circuit comprising the receiving coil, and a transformer sub-circuit connected to the tuned circuit, the transformer sub-circuit comprising a transformer primary ...  
WO/2022/097777A1
The embodiments relate to high-efficiency resonant inductance coupling type wireless power transfer. In one embodiment, there proposes an apparatus for wireless power transferring, comprising: a first terminal and a second terminal; a co...  
WO/2022/097994A1
The disclosed wireless power system comprises: a plurality of wireless devices; and a wireless power transmission apparatus including a plurality of transmission coils and a control panel for transmitting wireless power to the plurality ...  
WO/2022/097699A1
This solenoid coil unit comprises: a solenoid coil placed in parallel with another solenoid coil but apart therefrom by a predetermined separation distance in a separation direction orthogonal to the center axis direction; and a rod-shap...  
WO/2022/097915A1
A wireless power transmission apparatus comprises: a plurality of transmission coils configured to transmit a wireless power to a wireless power reception apparatus; a shielding coil which is arranged on at least one surface of a dielect...  
WO/2022/097979A1
Provided in the present disclosure are an electronic device and a method for displaying charging information of the electronic device. The electronic device of the present disclosure comprises: a first resonator comprising at least one c...  
WO/2022/098011A1
A wireless power transmitting apparatus disclosed herein comprises: a plate; a communication circuit which communicates with a wireless device placed on the upper surface of the plate; a plurality of distance sensors which are provided a...  

Matches 201 - 250 out of 21,328