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Matches 51 - 100 out of 3,711

Document Document Title
WO/2016/052806A1
An apparatus and a method for wide area wireless power transmission using multiple synchronisation of magnetic fields are disclosed. According to an aspect of an embodiment of the present invention, an apparatus and a method for wireless...  
WO/2016/051484A1
A non-contact power feeding device (1) according to the present invention is provided with: a non-contact power feeding circuit (4) for feeding AC power in a non-contact manner, the non-contact power feeding circuit having a circuit conf...  
WO/2016/046933A1
Provided are a power receiving device and a power transmission system that can improve power supply balance. The power receiving device comprises: a first secondary-side resonance coil that receives power from a primary-side resonance co...  
WO/2016/042666A1
A multiplexed wireless power transmission system for moving component is provided with at least two transmission and reception units 3 comprising a transmission antenna 5 for wirelessly transmitting power and a reception antenna 6 for re...  
WO/2016/038737A1
The present invention is provided with: resonance-type power source circuits 11 for at least two electrical grids, said circuits 11 being provided with a power element for conducting switching operations at a high frequency of 2 MHz or g...  
WO/2016/035141A1
The present invention is provided with: a resonance power transmission device 1 having a resonance power supply 11 that supplies power, and a resonance transmission antenna 13 that transmits the power supplied from the resonance power su...  
WO/2016/033697A1
A wireless power transfer system comprises: a transmitter comprising a transmit electrode set configured to transfer power via resonant electric field coupling; and a receiver comprising a receive electrode set configured to extract the ...  
WO/2016/037100A1
Examples described herein include wireless transmitters configured for power transmission. Example wireless transmitters may insert power packets into wireless communications such that power harvesting circuitry may harvest sufficiently ...  
WO/2016/031091A1
The purpose of the present invention is to suppress an excessive voltage rise of a load voltage caused by impedance mismatching on a transmission path and to regenerate high-frequency power. A configuration is used in which a parallel im...  
WO/2015/038773A9
The present disclosure may provide an electric transmitter which may be used to provide wireless power transmission (WPT) while using suitable WPT techniques such as pocket-forming. Transmitter may operate as power source for electronic ...  
WO/2016/023122A1
Transmitter and receiver magnetic rotors are provided wherein each of the rotors comprises a plurality of magnets. Each magnet has a magnetization direction which lies normal to the axis of rotation, and at least some magnetization direc...  
WO/2016/021881A1
A magnetic resonance wireless power transmission device capable of adjusting resonance frequency is disclosed. A wireless power transmission device according to an embodiment of the present invention comprises: a power amplifier for ampl...  
WO/2016/022609A1
An apparatus, system and method for wirelessly powering a device. The apparatus, system and method may include a primary coil housing that houses a primary coil; a secondary coil housed within the device and suitable for having power ind...  
WO/2016/017022A1
The purpose of the present invention is to provide a wireless power transmission system that allows a wide-range wireless power transmission and a wind power generator in which the wireless power transmission system is mounted. Provided ...  
WO/2016/017750A1
The present invention stably supplies power regardless of a change in the arrangement of electrodes. A hybrid series resonant circuit comprises a series connection between a coupling capacitor 202 and a parallel connection part 201 tha...  
WO/2016/017143A1
This invention addresses the problem of determining which frequency region within resonance characteristics an operating frequency lies in. This contactless power-feeding device (2) is provided with an inverter circuit, a primary-side re...  
WO/2016/017142A1
This invention addresses the problem of determining which frequency region within resonance characteristics an operating frequency lies in. This contactless power-feeding device (2) is provided with an inverter circuit, a primary-side re...  
WO/2016/016930A1
This non-contact power supply device is provided with: a power supply-side coil that is provided in a power supply-side device; a high-frequency power supply circuit that applies a high-frequency voltage to the power supply-side coil; a ...  
WO/2016/009513A1
A wireless power supply device of the present invention is equipped with: a power supply coil provided in a power supply side device; a high-frequency power supply circuit for applying a high-frequency voltage to the power supply coil; a...  
WO/2016/009525A1
The present invention is a power supply apparatus that supplies power from a power-supply-side device to a power-receiving-side device having a mechanical unit that is supplied with a driving voltage and operates intermittently and a pow...  
WO/2016/006066A1
This contactless power supply device is equipped with: a power transmission coil for transmitting power in a contactless manner to a power-receiving coil which is electrically connected to a load; an inverter for converting power from a ...  
WO/2016/006441A1
A power receiver according to the present disclosure includes: a power generation unit that has a power receiving element for receiving power signals supplied wirelessly from a power feeder, and generates DC power on the basis of the pow...  
WO/2016/002733A1
Though there have been methods for supplying power to mobile bodies in a wireless manner, it has been difficult to use the methods because of a large power supply efficiency change due to mobile body positions. The present invention redu...  
WO/2016/001913A1
The invention comprises systems and methods for transferring energy between mobile devices such as smartphones comprising: energy transfer means; at least one accelerometer; a micro-controller with predefined instructions, is adapted to ...  
WO/2016/000084A1
A common problem in wireless charging systems in automotive applications is alignment of the wireless power transfer transmitter and receiver units. Poor alignment leads to poor power transfer capacity and a longer charging time. Costly ...  
WO/2016/000494A1
A wireless power adapter includes a receiver coil system, a transmitter coil system and a conversion stage. The receiver coil system is compatible with a specification and can efficiently receive wireless power transmitted by a transmitt...  
WO/2015/196296A1
A common problem in wireless charging systems in automotive applications is alignment of the wireless power transfer transmitter and receiver units. Poor alignment leads to poor power transfer capacity and a longer charging time. Costly ...  
WO/2015/198568A1
A power transmission apparatus transmitting power to a power reception apparatus and communicating with the power reception apparatus by applying a communication method which allows communication in a wider communication range than a pow...  
WO/2015/199938A1
Systems and methods for power distribution allocation are provided. A system may establish a first wireless connection between the system and a first mobile device. The system may receive a first charge request from the first mobile devi...  
WO/2015/199077A1
A dielectric contactless transmission device provided with a pair of 1/4 wavelength dielectric resonance components (2, 3) having: dielectric blocks (20, 30) that have a first surface (20a), a second surface (20b), third to sixth surface...  
WO/2015/199442A1
A method of transmitting a signal by a wireless power transmitter in a wireless charging system, wireless power transmitter, and a wireless power receiver are provided. The method includes transmitting a first signal; transmitting a seco...  
WO/2015/196290A1
Among other things, in general, methods of increasing transfer efficiency in a power link are described, as well as power links implementing such methods. Methods of dynamic charging are also described. Applications of such methods and p...  
WO/2015/198618A1
A surgical system (1) is provided with: a treatment tool (30) comprising an insertion tube (39) in which a power-receiving unit (31) is arranged; a trocar (10) comprising a power-transmitting unit (11); and a power source unit (20) compr...  
WO/2015/199466A1
A wireless power transfer and transmission device according to an embodiment of the present invention comprises a transmitting side communication unit, wherein the transmitting side communication unit transmits a first control signal to ...  
WO/2015/198602A1
A power supply device (20), provided with an excitation circuit (22) and a power supply coil (23). The excitation circuit (22) inverts the polarity of an input voltage from a rectifying and smoothing circuit (21) in response to a PWM sig...  
WO/2015/196302A1
A wireless electric field power transmission system comprises a transmitter comprising a transmit resonator and a transmit capacitive balun, and at least one receiver comprising a receive resonator and a receive capacitive balun. The tra...  
WO/2015/198997A1
In a first circuit section (635A, 635B) and a second circuit section (636A, 636B) that constitute a circuit section pair (637A, 637B), currents generated therein cancel each other out, thereby making it possible to suppress a current tha...  
WO/2015/198895A1
This power transmission apparatus is provided with an AC/DC converter and a DC/AC converter. The AC/DC converter is capable of converting grid power into DC power having a second DC power value. The DC/AC converter converts DC power into...  
WO/2015/199937A1
Embodiments relating to systems, methods, and devices for wireless charging are disclosed. In some embodiments, methods for establishing a communication link between a power transmitting unit (PTU) and a power receiving unit (PRU) throug...  
WO/2015/193634A1
An electronic device (50) has at least one harvesting unit (52) for harvesting power from ambient energy. At least one circuit (54), including processing circuitry (56), is supplied with power from the harvesting unit (52). Control circu...  
WO/2015/194889A1
The present disclosure relates to a wireless power transfer method, a wireless power transfer apparatus, and a wireless charging system in a wireless power transfer field, and there is provided a foreign object detection method of a wire...  
WO/2015/194254A1
Provided is an antenna device that is provided with: a magnetic sheet; a first antenna, which is provided on one surface of the magnetic sheet, and which is to be used for the purpose of communication; and a second antenna, which is prov...  
WO/2015/194090A1
This imaging device is provided with: an imaging unit that captures an image; and an installation unit at which is installed the imaging unit in a removable manner. The installation unit houses a first contactless transmission unit that ...  
WO/2015/191203A1
Wearable devices are described herein that include a housing, a magnetic shielding, and a coil. The housing includes a first outer surface, a second outer surface opposite the first outer surface, the second outer surface being narrower ...  
WO/2015/189976A1
[Problem] To provide: an inductor unit which has a plurality of inductors, and in which the coupling coefficient between the inductors is low; a wireless power transmission device; and an electric vehicle. [Solution] An inductor unit as ...  
WO/2015/189959A1
According to one embodiment of the present invention, an electricity transmission device is provided with a first electricity transmission resonator that transmits electricity in a wireless manner. The electricity transmission device is ...  
WO/2015/189998A1
[Problem] To reduce a leakage magnetic field with a simple configuration [Solution] The drive device according to the present embodiment drives first to fourth switching elements to generate AC power and drives N inverters (where, N is a...  
WO/2015/188552A1
A foreign substance detection method comprises: detecting a current first switching frequency of a wireless charging system during the process of performing wireless charging by using a primary side and a secondary side of the wireless c...  
WO/2015/189459A1
The invention relates to a method, comprising: determining a power level value of transmitted wireless energy, and adjusting a foreign object detection method frequency on the basis of said power level value of the transmitted wireless e...  
WO/2015/189997A1
[Problem] To enable an indicator for transmission efficiency to be estimated even when only the characteristic value of one of the transmitting side and the receiving side is allowed to be used. [Solution] The control device as one embod...  

Matches 51 - 100 out of 3,711