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WO/2020/145400A1 |
The present invention provides a coil, etc., that can flow a large current even at high frequency, and that can improve efficiency as wireless power transmission. In the coil for noncontact type power transmission, two copper thin film...
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WO/2020/142621A2 |
Polyphase wireless power transfer systems are provided. The transfer system may be used for charging hybrid and electric vehicles. The systems are capable of transferring over 50KW over an air gap of 15 cm. The systems use a rotating mag...
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WO/2020/141378A1 |
A device is described having one or more conductive loops to produce an electromagnetic field, such as for wireless power transfer to an electronic device. In some examples, an antenna is used with at least one resonating capacitor ring ...
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WO/2020/141501A1 |
A method for regulating input impedance of a switching regulator, the method comprising: obtaining, at an impedance controller: (a) a measured voltage value that is indicative of an input current of the switching regulator and (b) an inp...
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WO/2020/141728A1 |
An underwater exploration device is disclosed. The present device comprises: a wire winch fixed to a predetermined portion of a wing bar connected to an unmanned watercraft; a communication connector provided with a permanent electromagn...
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WO/2020/138654A1 |
A current transformer according to the present invention can comprise a magnetic core, a secondary coil, and a magnetic flux compensation member. A main circuit of an air circuit breaker penetrates the magnetic core. In addition, the sec...
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WO/2020/130849A1 |
A system (1) comprising a submarine vessel (2) and a submarine docking port (3) for the submarine vessel (2), where the docking port (3) is arranged for transfer of electrical energy to the submarine vessel (2) when the submarine vessel ...
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WO/2020/126249A1 |
The invention relates to a device (1) for dynamic load-flow control in a high-voltage network (17), which has at least one phase conductor (16) and at least one first high-voltage terminal (42), each first high-voltage terminal being des...
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WO/2020/130357A1 |
The present invention relates to a magnetic field energy harvesting connection method and device considering a voltage drop in a power line. A magnetic field energy harvesting connection method according to an embodiment of the present i...
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WO/2020/128847A1 |
An electrically insulative polyoxide single-layer magnetic film including iron, manganese and zinc is described. The electrically insulative polyoxide single-layer magnetic film has an average thickness greater than about 100 microns and...
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WO/2020/116867A1 |
The present invention provides an ignition coil which can be reduced in weight and cost while retaining the performance of conventional ignition coils. The objective of the present invention is to provide an ignition coil which can be ma...
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WO/2020/115360A1 |
According to an aspect, there is provided an inverter (100). The inverter (100) comprises a DC source (102); a power conversion unit(104); and an output filter unit (106) comprising at least one nonlinear inductor (108) configured for tw...
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WO/2020/111815A1 |
The present invention provides a low frequency electromagnetic field generation device comprising: a high-voltage low frequency inverter circuit for supplying a low frequency signal; and a discharge element for discharging a low frequenc...
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WO/2020/110987A1 |
A planar coil according to the present disclosure is formed from ceramics, and is provided with: a substrate having a first surface; and a first metal layer that is located on the first surface and has voids.
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WO/2020/104121A1 |
The invention relates to a current transformer module (10) for a switchgear, in particular a gas-insulated switchgear, which has a tubular enclosure for a current path, the module comprising a tubular main element (12) which has two elec...
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WO/2020/105991A1 |
A method and device according to various embodiments of the present invention are disclosed, the device including: a transformer composed of a primary coil and a first secondary coil; a wireless charging circuit which includes a second s...
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WO/2020/104122A1 |
The invention relates to an isolation device (1) and to an instrument transformer (3) having such an isolation device (1). The isolation device (1) comprises a drive rod (5), which is movable between a switch-off position and a switch-on...
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WO/2020/101177A1 |
The present invention relates to a cooling pad, and a current collector and an electric vehicle using same, wherein an external heat source, such as a current collection device including a current collection coil, in which electric power...
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WO/2020/098750A1 |
The present application provides a high-voltage isolation transformer, comprising at least one sub-transformer. Where there is one sub-transformer, the high-voltage isolation transformer is equivalent to the sub-transformer; and where th...
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WO/2020/076654A9 |
An alternating current neutral: and ground inductive electromagnetic rectification unit includes a first and second redactor connectable to a neutral and a ground of an existing circuit respectively. The first redactor Includes a first p...
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WO/2020/096342A1 |
The present invention relates to a wireless charging pad comprising: a transmitting/receiving coil for wirelessly transmitting or receiving power; a first magnetic body arranged around the transmitting/receiving coil; and a planar induct...
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WO/2020/095555A1 |
[Problem] To provide an electromagnetic induction-type power generation device that can generate a desired amount of power even if the current flowing through a transmission line is small, and that, to the greatest extent possible, does ...
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WO/2020/095683A1 |
The purpose of the present invention is to provide a noise-preventing resistor in which conduction between a cap terminal and a resistance wire is ensured, and a method of manufacturing the same. To achieve the purpose, a noise-preventin...
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WO/2020/096344A1 |
The present invention relates to a wireless charging pad comprising: a transmitting/receiving coil formed by having a wire wound; and at least one magnetic body arranged nearby the transmitting/receiving coil, wherein the magnetic body c...
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WO/2020/092026A1 |
The disclosed technology provides an electronic device including a metal casing surrounding the electronic device. The metal casing has a first aperture including at least two sub-apertures connected by a channel. The metal casing also h...
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WO/2020/084724A1 |
This ignition coil (1) comprises: a primary coil (4), a secondary coil (5), a center core (2), a side core (3), a core cover (7), a case (8), and an insulating resin (9). The core cover (7) is formed in a shape to cover an inside surface...
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WO/2020/083937A1 |
The present disclosure relates to controlling a DC-AC inverter of an electric machine, where the electric machine comprises a resonant main exciter having rotary transformer. A voltage level of DC power received at a DC-AC inverter is mo...
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WO/2020/085761A1 |
An electronic device includes a housing including a first face, a second face oriented in a direction that is opposite the first face, and a side face between the first face and the second face. The housing also includes a first conducti...
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WO/2020/079836A1 |
A rotary transformer (1) is configured to include: a fixed body (5) having a first substrate (11) in which first one-turn coils (12a) to (12d) are formed concentrically on a first plane (11a), and a first floating conductor (13) is forme...
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WO/2020/081313A1 |
A hydraulic fracturing system for fracturing a subterranean formation includes a support structure that includes an electric powered pump, arranged in a first area, the electric powered pump powered by at least one electric motor, also a...
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WO/2020/075123A1 |
A device (9) for protecting a direct current electrical system (1) having one or more modules (2) from electric arcs comprises: a first sensor (10) provided with a first ring of ferromagnetic material configured to generate a first signa...
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WO/2020/075989A1 |
According to embodiments, a wireless charging coil and an electronic device including the same are provided. The electronic device may include a battery; a wireless charging coil; a wireless charging circuit configured to wirelessly tran...
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WO/2020/070945A1 |
This misalignment detection device is provided with: a plurality of coils which receive magnetic force lines generated by a power transmission coil and are disposed side by side line-symmetrically with respect to an axis line as a symmet...
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WO/2020/072965A1 |
An apparatus for gripping a portable electronic device can be used with a wireless charger to charge the portable electronic device when the device and the wireless charger are not in direct contact. The apparatus has a base element adap...
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WO/2020/070115A1 |
The present invention relates to a device for non-contact inductive energy transfer, in particular for inductive charging processes in motor vehicles, which device comprises a primary coil arrangement and power electronics connected to t...
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WO/2020/066085A1 |
A planar-type wireless power-receiving circuit module (101) is provided with: a planar ground conductor (51); a substrate (21); a power-receiving coil (30); and a magnetic sheet (41). The planar ground conductor (51) has an opening (H) p...
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WO/2020/066086A1 |
This wireless power receiving circuit module (10) is provided with a substrate (21), a substrate (22), electronic components (61, 64, 65), a power receiving coil (31), and a ground conductor pattern (51). The substrate (22) has a differe...
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WO/2020/068160A1 |
A smart current transformer for determining primary current or power consumption, by stepping down the primary current to a secondary current for subsequent measurement by a connected meter. The current transformer is provided with a con...
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WO/2020/068389A1 |
Electronic devices according to embodiments of the present technology may include a battery. The devices may include a nanocrystalline foil. The devices may include a wireless charging coil seated on the nanocrystalline foil. The devices...
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WO/2020/067838A1 |
The present application relates to a wireless charging device and a wireless charging system, and can provide a wireless charging device which has high permeability and is improved in electromagnetic shielding ability and wireless chargi...
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WO/2020/066167A1 |
This wireless connector (100) includes: a rotation mechanism for relatively rotating a first object and a second object about a first rotation axis A1; and a connection mechanism for connecting the first and second objects so that the fi...
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WO/2020/065143A1 |
The invention concerns a multifunctional system for heating a support and transferring energy or data between, on the one hand, a plurality of primary antennas (13) situated on the support and controlled by a control unit (3) capable of ...
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WO/2020/061504A1 |
A device includes a pod having a first spiral conductor supported on a first insulated substrate, the first spiral conductor shaped to form a magnetic field in response to an electric current flowing through the conductor. A second spira...
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WO/2020/059857A1 |
A contactless power transmission system is provided with which it is possible to better optimize the transmission efficiency of power. A power-sending coil TC for contactless power transmission, comprising a power-sending open coil TO an...
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WO/2020/060142A1 |
A wireless charging device according to various embodiments of the present disclosure comprises: a wireless charging device body; and a wireless power transmitting device disposed on the wireless charging device body so as to face a wire...
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WO/2020/059781A1 |
The present invention provides a current transformer with which it is possible to significantly reduce the manufacturing time. A current transformer, provided with: an insulator tube; an accommodation container provided above the insulat...
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WO/2020/053026A1 |
A device comprises a first coil (15) comprising at least one first winding (153) of an electrical wire, the first coil arranged for being driven at a first voltage. A solid insulating layer (26) is adjacent the first coil and has a first...
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WO/2020/053134A1 |
The present invention relates to an ignition coil for generating a high-voltage pulse with a superimposed high-frequency voltage. The ignition coil comprises a first coil arranged on the primary side, a second coil arranged on the second...
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WO/2020/048720A1 |
The invention relates to an arrangement (27) and to a method for the gradual shutoff of potential in high voltage technology, comprising at least one armature body (28), electrically insulating film (29), and electrically conductive regi...
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WO/2020/050728A1 |
A wireless power transfer secondary or pick-up has a resonant circuit and a switch connected to the resonant circuit operable to produce a phase shift in an oscillating voltage or current in the resonant circuit. A controller is configur...
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