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Matches 1 - 50 out of 13,401

Document Document Title
WO/2017/121025A1
A charge control circuit and a control method thereof, a mobile terminal and a computer storage medium. The charge control circuit comprises: a coil (11), which is connected to a tuning capacitor(12) and is a multiplex coil (11) for perf...  
WO/2017/112071A1
In a wireless charging device that includes a resonator having coil windings, a magnetic field can be generated by the resonator. The wireless charging device can include a feed point connected to an inner winding of the coil windings of...  
WO/2017/084142A1
Disclosed is a wireless-power-transfer coil system using magnetoelectric coupling to offset suppression of frequency splitting, comprising an energy-transmitting coil, an energy-receiving coil, and four loading ring-shaped metal plates; ...  
WO/2017/056284A1
This wireless power supply device is characterized by being provided with: a first coil that transmits power using resonance of a magnetic field; a variable capacitor connected to the first coil; a storage device having previously stored...  
WO/2017/032182A1
A method, device and system for charging a terminal, which belong to the technical field of electronics. The method is applied to a first terminal. The first terminal comprises a first near-field communication antenna, an adjustment circ...  
WO/2017/029736A1
[Problem] To provide a control device capable of suppressing influence of noise, a wireless power transmission device, and a mobile body. [Solution] According to one embodiment of the present invention, a control device is provided with ...  
WO/2017/022054A1
A power transmission device is provided with a transmitting/receiving unit (12) having a transmitting antenna (14) and a receiving antenna (15) which performs wireless power transmission with the transmitting antenna (14), wherein the tr...  
WO/2017/017828A1
The present invention addresses the problem of providing a technology that enables an increase in power transmission efficiency in a magnetic field resonance power transmission system. A power transmission device (20), which is paired wi...  
WO/2017/017768A1
[Problem] To reduce a leakage magnetic field with a simple configuration. [Solution] According to an embodiment of the present invention, a wireless power transmission device is provided with: a plurality of coil sections, each of which ...  
WO/2017/006482A1
A communication unit (16) receives information that allows the power supply efficiency of the highest-priority power receiver, which has the highest power supply priority from among a plurality of power receivers in a region in which pow...  
WO/2017/006152A1
The various embodiments of the present invention describe a wireless power charger and a charging method thereof. According to an embodiment of the present invention, the wireless power charger comprises of one or more rectenna modules, ...  
WO/2017/002154A1
A non-contact power feeding apparatus (1) according to the present invention is provided with: a power receiving element (41) provided on a power-receiving side device (1B); a power receiving circuit (5) which converts AC power received ...  
WO/2016/205373A1
Base units, systems and methods for wireless energy transfer are described. A wireless energy transfer system according to some examples includes a transmitter of wireless energy and a distance separated receiver. Examples of transmitter...  
WO/2016/197448A1
A wireless charging method, which is applied to a wireless charging device. Two or more transmitting coils are provided on the wireless charging device. The method comprises: when it is detected that there is a wireless charging terminal...  
WO/2016/191999A1
Methods and apparatus for determining the misalignment and mutual coupling between the transmitter coil and receiver coil, with or without an intermediate relay resonator coil, of a wireless power charging system are provided. The determ...  
WO/2016/192192A1
A wireless charging adjustment method, comprising: adjusting a parameter of a charging circuit of a charged device many times, and acquiring the strength of a charging signal at a current charging position each time after the parameter o...  
WO/2016/194202A1
Provided are a power receiver capable of adjusting receiving power, and a power transmission system. The present invention includes: a secondary-side resonance coil that receives power by means of magnetic field resonance or electric fie...  
WO/2016/181186A1
The invention relates to a resonator for wireless resonant energy transfer system. A resonator for a wireless power transfer system comprises an inductor adapted to receive or transmit wireless power, a main capacitor electrically connec...  
WO/2016/177074A1
An energy conversion device (10) comprises a reception antenna (101), a controller (102) and at least one energy conversion circuit (103); each energy conversion circuit is connected to both the reception antenna and the controller; when...  
WO/2016/172916A1
Wireless power transfer systems and methods are provided. No wireless communication system is necessary feedback output information from the receiver side to the transmitter side. Nor is any knowledge of the mutual coupling or mutual ind...  
WO/2016/162966A1
A noncontact charging device for a vehicle is equipped with: a power reception coil unit 3 having a power reception coil that generates heat when energized; an electrical component box 7 having a rectifier 5; and a harness electrically c...  
WO/2016/155268A1
Disclosed is a wireless power supply receiving apparatus for supplying power to a display device. The wireless power supply receiving apparatus comprises a resonant module, a rectifying filter module and a direct current conversion modul...  
WO/2016/154778A1
An apparatus, a system and a method for transferring electrical energy in a wearable device (101). The apparatus includes a conductive fabric (104) to transfer power from a power source (105) to one or more devices (115), one or more ele...  
WO/2016/150248A1
A device to be powered up, field energy supply device, and power supply control method and system. The power supply control method comprises: receiving, via a communication path (504), an instruction indicating that a current communicati...  
WO/2016/153208A1
A wireless power receiver is disclosed. The wireless power receiver according to an embodiment of the present invention comprises: a resonator for receiving wireless power; a rectifier for converting alternating current power received fr...  
WO/2016/145845A1
A terminal charging method and device. The method comprises: when a terminal is in a moving state, cutting a magnetic field by using a conductor coil on the terminal to generate an induced current, wherein the conductor coil is in a stat...  
WO/2016/147294A1
The present invention includes: a resonant antenna (106) that is disposed facing at least one antenna among transmission antennas (105), and resonates at the same frequency as a resonance frequency for the transmission antennas (105); a ...  
WO/2016/135864A1
A power transmitter has: a power transmission coil for wirelessly transmitting power to a power receiver by using magnetic field resonance or electric field resonance; a power transmission control unit for controlling the power transmiss...  
WO/2016/135893A1
[Problem] To reduce radiated emissions generated during wireless power transmission. [Solution] A control device serving as an embodiment of the present invention controls a wireless power transmission device equipped with a power transm...  
WO/2016/132559A1
Provided are a power receiver and power transmission system with which power reception efficiency can be adjusted. This power receiver includes: a secondary-side resonant coil that has a resonant coil part and receives power from a prima...  
WO/2016/132560A1
Provided are a power receiver and power transmission system with which power reception efficiency can be adjusted. This power receiver includes: a secondary-side resonant coil that has a resonant coil part and receives power by means of ...  
WO/2016/130184A1
Methods and systems for wirelessly transmitting power and/or data, using an inductive power transfer unit (110) comprising an inductive power transmitter (118) and an inductive power receiver (120). Preferably, the inductive power transm...  
WO/2016/121030A1
A non-contact power supply device (101) that transmits power to a power reception device (102) in a non-contact manner has: a power transmission coil unit (11), which has a power transmission coil (L11) and a power transmission-side capa...  
WO/2016/109314A3
The embodiments described herein include a transmitter that transmits a power transmission signal (e.g., radio frequency (RF) signal waves) to create a three-dimensional pocket of energy. At least one receiver can be connected to or inte...  
WO/2016/103351A1
Provided is a contactless power-feeding system 1 that efficiently and stably feeds electric power from a power transmission device 10 to a power reception device 20 with use of a simple configuration. The contactless power-feeding system...  
WO/2016/103354A1
A magnetic field resonance-based contactless power feeding system 1, wherein stable supplying of electric power from a power transmission device 10 to a power reception device 20 is enabled while a target power transmission efficiency is...  
WO/2016/099700A1
A system for harvesting energy from a weld cable including an energy harvesting device positioned proximate to the weld cable and configured to inductively draw electrical energy from the weld cable. The energy harvesting system also inc...  
WO/2016/090530A1
A wireless charging device and system, the wireless charging comprising: an energy transmission device (a) and an energy receiving device (b) disposed at a preset distance from each other. The energy transmission device comprises an osci...  
WO/2016/088261A1
This transmission device 1 has: a transmission power supply 12 which outputs, from input power, electric power in accordance with the resonance frequency of a transmission antenna; multiple switches 14 which are respectively disposed for...  
WO/2016/080045A1
When fra represents the resonance frequency of a power-transmission-side resonance mechanism, fs represents the switching frequency of a first switch circuit (S1) and a second switch circuit (S2), and frb represents the resonance frequen...  
WO/2016/079830A1
A non-contact power supply system 1 includes: a power transmission device 10 that performs magnetic field resonance type non-contact power supply by having a power transmission coil 111 and a capacitor 112, which constitute a resonance c...  
WO/2016/080044A1
A switching control circuit (10) alternately turns on and off switching elements (Q1, Q2), with an intervening dead time, at a switching frequency at which the impedance of a multi-resonant circuit becomes inductive. During operation in ...  
WO/2016/076736A1
An IPT system (1) including: an IPT transmitter (2) including a drive circuit (6) for varying the current supplied to a primary coil (7); an IPT receiver (3) including a pick up coil (9) magnetically coupled with the primary coil (7); a ...  
WO/2016/072981A1
A technique includes sensing a wireless charging station that includes a wireless charging transmitter and determining a status for the machine based at least in part on the sensing of the wireless charging station. The technique also in...  
WO/2016/070342A1
A wireless charging method, wireless access point, and wireless charging system, the method comprising: a first wireless access point receiving a charging request transmitted by a first device (101); selecting beam pointing of a maximum ...  
WO/2016/071995A1
The present invention is capable of adjusting the power-receiving efficiency of a power receiver or power transmission system. This power receiver (100) includes: a secondary-side resonance coil (110) which receives power by means of mag...  
WO/2016/070691A1
A service-oriented substation monitoring system architecture, comprising: a uniform platform layer, the uniform platform layer being a platform established in a substation, having uniform standards and uniform technology as a smart grid ...  
WO/2016/067447A1
Provided are a power receiver capable of improving power supply balance, and a power transmission system. This power receiver includes: a first secondary-side resonance coil that receives power from a primary-side resonance coil by means...  
WO/2016/061181A2
A system and method for self-harvesting energy from a wireless device and supplementing the battery power of the wireless device using the self-harvested energy includes the steps of collecting at least a portion of radio frequency signa...  
WO/2016/056270A1
In the present invention, a power reception coil device is attached to a mobile body and is for receiving power in a contactless manner from a power transmission coil device, the power reception coil device being provided with a power re...  

Matches 1 - 50 out of 13,401