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Patent Searching and Data


Matches 351 - 400 out of 21,328

Document Document Title
WO/2021/211177A1
A magnetic inductive resonance charging circuit includes a resonant network having an inductive secondary coil that converts a magnetic field received from an inductive primary coil into an alternating current (AC) signal and a synchrono...  
WO/2021/210850A1
According to one embodiment of the present invention, a zero voltage switching circuit comprises: a zero voltage switching unit which forms a full-bridge circuit at the primary side of a converter and comprises a plurality of switches fo...  
WO/2021/209417A1
Techniques are provided for a multiple-layer planar transformer having center taps of a segmented winding. In an example, a multiple-layer planar transformer can be a coupled inductor circuit including a first winding comprising a conduc...  
WO/2021/212138A1
A split core current transformer (CT) can include at least one rotatable collar configured to removably attach a top portion of the CT to a bottom portion of the CT. The top portion of the CT can be locked with respect to the bottom port...  
WO/2021/203793A1
A resolver stator positioning press sheet (3) and positioning structure. The positioning press sheet (3) is in a circular shape as a whole; the body of the positioning press sheet (3) is provided with stator pressing elongated holes (32)...  
WO/2021/190042A1
A flexible coil for a current transformer, and a current transformer (100). The flexible coil for a current transformer comprises an inductive winding (3, 10) consisting of two or more closed coils connected in series. When the flexible ...  
WO/2021/194259A1
A magnetic shielding sheet for a reception antenna, and a wireless power reception module including same are provided. A magnetic shielding sheet for a reception antenna, according to an exemplary embodiment of the present invention, blo...  
WO/2021/188964A1
A current sensing method measures a fractional current through a coil having a plurality of coil windings by using a current sensing resistor to measure a current through a subset of the plurality of coil windings and using a voltage sen...  
WO/2021/185012A1
The present invention relates to the technical field of coupled inductors, and especially relates to and provides a fully-coupled magnetic element, comprising at least two phases of circuits. Each phase of circuit is formed by connecting...  
WO/2021/179975A1
Provided are a coupled planar coil, a displacement sensor and a wearable electronic product, which relate to the technical field of induction coils. The coupled planar coil comprises a first fabric substrate, a second fabric substrate, a...  
WO/2021/178801A1
A receiver system for a wireless charging system includes a receiver antenna forming a first planar layer; a shielding material adjacent to the receiver antenna, the shielding material forming a second planar layer; and a dielectric sepa...  
WO/2021/172693A1
An electronic device and a method of controlling the electronic device are provided. The electronic device includes: a first housing, a second housing configured to detachably and rotatably engage with the first housing upon a first rota...  
WO/2021/171153A1
A magnetic film assembly includes a first magnetic film having a plurality of spaced apart soft magnetic tiles arranged along orthogonal first and second in-plane directions of the first magnetic film, the spaced apart magnetic tiles def...  
WO/2021/160508A1
The invention relates to a coil module (M) comprising a carrier (2), which has a polygonal basic shape having four to twelve vertices (p1 to p8) and comprises a magnetic material. A coil (3) is arranged on the carrier (2). The polygonal ...  
WO/2021/162777A1
A contactless charging apparatus (10) and method for contactless charging are disclosed. In one embodiment of the contactless charging apparatus (10), a primary electromagnetic structure (26) and a secondary electromagnetic structure (36...  
WO/2021/163332A1
An energy storage device and associated methods are shown. Example energy storage devices include a capacitor and an adjacent inductor circuit to provide a compensating induced voltage to the capacitor.  
WO/2021/160653A2
The present invention relates to an induction charging device (1) for a vehicle charging system (2) and to a method for manufacturing an induction charging device (1) of this type. The invention further relates to a vehicle charging syst...  
WO/2021/156732A1
The present disclosure relates to a coil assembly. According to a first embodiment of the present disclosure, there is provided a coil assembly including a coil including a multilayer film which is extended between a first longitudinal e...  
WO/2021/159007A1
Systems, methods and apparatus for wireless charging are disclosed. A method for configuring a charging device includes identifying a first plurality of transmitting coils arranged in a modular pattern on a first printed circuit board, t...  
WO/2021/157932A1
A wireless charging coil and an electronic device is provided. The coil includes a plurality of inner patterns arranged adjacent to a center of the coil, having a first line width, and wound spirally, and a plurality of outer patterns ar...  
WO/2021/159014A1
Systems, methods and apparatus for wireless charging are disclosed. A first charging device has a first plurality of transmitting coils arranged in a pattern thereon, the first plurality of transmitting coils defining a first charging su...  
WO/2021/156766A1
The present invention falls within the technical field of induction energy transfer systems, more particularly, it refers to systems used for charging electronic devices or electric vehicles. In this context, the object of the present in...  
WO/2021/157437A1
The present invention provides a current transformer module capable of preventing rising and falling of a primary-side coil and also bobbin cracking due to insertion of the primary-side coil. A current transformer module 10 according t...  
WO/2021/159013A1
Systems, methods and apparatus for wireless charging are disclosed. A charging apparatus has a first printed circuit board configured to be mounted proximate to a wall of a container that provides a partially-enclosed interior and one or...  
WO/2021/151603A1
The invention relates to a voltage converter (1). The voltage converter (1) comprises at least one primary winding (5), an electrode (7) for each primary winding (5), said electrode being electrically connected to one end of the primary ...  
WO/2021/153985A1
A wireless charging apparatus according to an embodiment can improve heat dissipation and charging efficiency by adjusting the surface area of a magnetic pad. Therefore, the wireless charging apparatus can be effectively used for a trans...  
WO/2021/151614A1
The invention relates to a voltage transformer (1). The voltage transformer (1) comprises at least one magnetic core (9) having a winding leg (12) about which windings of the voltage transformer (1) are arranged, a base leg (13) spaced a...  
WO/2021/148911A1
A magnetic film includes a plurality of magnetically permeable particles dispersed between opposing first and second major surfaces of the magnetic film. The first and second major surfaces are spaced apart a distance D. The particles ar...  
WO/2021/147278A1
A multiphase inductor, comprising a housing (1) and at least three inductor units (2). Mounting recesses (100) are formed between peripheral walls (11) of the housing (1); each inductor unit (2) comprises a first magnet (21), a second ma...  
WO/2021/146235A1
Various embodiments for tuning systems of coupled resonators are described to achieve a desired arrangement of RF current magnitudes and directions, and with a coupled resonant eigenfrequency equal to the desired driving frequency.  
WO/2021/141863A1
Systems, methods and apparatus for wireless charging are disclosed. A method for operating a wireless charging device includes determining that a chargeable device is positioned proximate to a plurality of charging coils provided at a ch...  
WO/2021/142348A1
Wireless charging transfer devices are described herein that are configured to achieve wireless charging of portable electronic devices across a gap from a wireless charger. The devices include coil configuration including a receiver coi...  
WO/2021/140692A1
This wireless power reception device with a short-range wireless communication function comprises: a communication antenna (11) which is for short-range wireless communication and which is disposed on a flat surface; an interface circuit...  
WO/2021/141783A1
A furniture system includes a base and transverse member, with an induction charger provided in the transverse member and/or base, hidden from view and feel. The induction charger can be at least partially secured to either the base fram...  
WO/2021/139529A1
Disclosed are a resin-based carbon fiber composite permanent magnet conductive contact and a fabrication method therefor. The composite permanent magnet conductive contact is composed of three parts: a sleeve, a conductive core and a coi...  
WO/2021/139866A1
The claimed invention relates to electrical engineering, more specifically to resonant transformers for contact-free transmission of electrical energy to rotary elements, which may be present, in particular, in radars, in video surveilla...  
WO/2021/137312A1
The present invention relates to a wireless charging device capable of changing the direction of a magnetic field generated from a transmission coil, by means of a repeater which can rotate horizontally and vertically, and transmitting w...  
WO/2021/137311A1
The present invention relates to a wireless charging device which can change the direction of a magnetic field, generated in a transmission coil, through a vertically and horizontally rotatable repeater, and can hold a user terminal in p...  
WO/2021/137131A1
A rotor (3, 4) for an aircraft (1) is described having: a support (9) angularly fixed with respect to an axis (B, C) and housing a power source (20); a unit (11, 12) rotatable about axis (B, C) and housing an electrical load (21, 24) of ...  
WO/2021/138683A1
The present application relates to an apparatus which comprises a wireless power transmission system. This system comprises features which allow it to transfer more power wirelessly to multiple devices simultaneously, each at extended di...  
WO/2021/137367A1
The present invention relates to a wireless power transmission technology and, more specifically, to a wireless power transmission device antenna using multiple two-dimensional planar coils so as to enable wireless charging of a mobile d...  
WO/2021/138684A1
A system for wireless power transfer includes a wireless transmission system, a wireless receiver system, and a dynamic tuning controller. The wireless transmission system configures an electrical energy signal, using the power from the ...  
WO/2021/136888A1
The invention relates to a multifunctional system for heating a support and transferring energy or data to a set of electrical devices (25) that are controlled by switches (27), each electrical device (25) and each switch (27) being asso...  
WO/2021/131128A1
A near-field wireless communication device (101) comprises: a communication antenna (11) for near-field wireless communication formed along a plane; an interface circuit (12) that is connected to the communication antenna (11) and passes...  
WO/2021/131607A1
This foreign object detection device is provided with: a plurality of coils (240) that are provided with a first conductor pattern disposed on one surface of a detection coil substrate (220) and are excited to generate a vibration signal...  
WO/2021/131609A1
This foreign matter detection device comprises: a plurality of coils (242) which are arranged adjacent to each other on an arrangement surface and generate a vibration signal in response to being excited; and a detection unit (26) which ...  
WO/2021/128076A1
Disclosed are a wireless charging back shell assembly and an electronic device. The wireless charging back shell assembly comprises a back shell, a wireless charging coil, a first bonding pad, a second bonding pad, a first FPC transmissi...  
WO/2021/131608A1
This foreign substance detection device comprises: a detection coil unit provided with a detection coil substrate (220) and a plurality of coils (242) that are formed on one surface of the detection coil substrate (220) and have a conduc...  
WO/2021/125565A1
A wireless power transfer device is provided. The wireless power transfer device according to an exemplary embodiment of the present invention comprises: an antenna unit for wireless transmission of power; an EMI filter unit which filter...  
WO/2021/126179A1
Devices for wireless charging with metal housings. The device comprises a wireless power receiving coil and an associated coil core, wherein the coil core defines a recess and at least a portion of the wireless power receiving coil is di...  

Matches 351 - 400 out of 21,328