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WO/2011/074843A2 |
Provided is a wireless power transmission apparatus, including a source unit including a power resonator to transmit a wireless power to a target apparatus, and a near field controller to control a direction of a magnetic field of the po...
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WO/2011/070637A1 |
Disclosed is a magnetic-field resonance wireless power transmission system wherein power is transmitted from a power transmission device to a power receiving device by means of magnetic field resonance and the efficiency of power transmi...
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WO/2011/071344A2 |
The present invention relates to a method for controlling the charging of segments for an online electric vehicle. More particularly, the present invention relates to a method for controlling the charging of segments for an online electr...
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WO/2011/064879A1 |
Provided is an electrical power transmission device that can transmit a required amount of electrical power even if the distance between a transmission coil in the electrical power transmission device and a reception resonance coil in an...
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WO/2011/063054A1 |
Exemplary embodiments are directed to methods and devices for transferring or receiving wireless power. A method may include receiving acceptance of at least one wireless power access entity required condition. The method may further inc...
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WO/2011/063033A2 |
A portable power supply device for a mobile computing device is provided. The portable power supply device comprises a retention structure to retain the mobile computing device, a power source, and an inductive signal interface. The indu...
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WO/2011/061388A1 |
Embodiments of the invention are disclosed for generating a first alternating current in a resonant receiving coil (160) at a resonant frequency in a self-resonant circuit (155) tuned to resonate at substantially the same resonant freque...
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WO/2011/063108A2 |
A wireless power system having at least one of a remote device with multiple wireless power inputs capable of receiving power from a different wireless power source, a remote device including a hybrid secondary that can be selectively co...
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WO/2011/062452A2 |
A cable protection structure of a concrete block is buried within a recessed portion defined below a surface of a road along a longitudinal direction of the road. The concrete block includes spacers embedded in the concrete block and dis...
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WO/2011/059108A1 |
A power transmitting antenna 105, which is arranged on the ground, and a power receiving antenna 107, which is arranged at the bottom of the vehicle 101, set up resonances at substantially the same resonant frequency and produce magnetic...
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WO/2011/059109A1 |
A power transmitting antenna 105, which is arranged on the ground, and a power receiving antenna 107, which is arranged at the bottom of the vehicle 101, set up resonances at substantially the same resonant frequency and produce magnetic...
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WO/2011/057414A1 |
An apparatus and method coupling RF and AC signals provide power to a mass spectrometer multipole. A first circuit comprises: an RF power source, providing difference mode power to the multipole; an inductor forming a resonant LC circuit...
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WO/2011/057415A1 |
An apparatus for providing power to a multipole in a mass spectrometer is provided. The apparatus comprises a first resonant LC circuit; at least one inductor for forming a second resonant LC circuit with the multipole, the second resona...
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WO/2011/055905A2 |
According to one aspect of the present invention, a magnetic resonance wireless power transmission method comprises the following steps: enabling a source coil to transmit electrical energy to a power-transmitting resonant coil via elect...
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WO/2011/050960A2 |
The invention relates to a system for transferring electric energy to a vehicle, in particular to a track bound vehicle such as a light rail vehicle, wherein the system comprises an electric conductor arrangement for producing an alterna...
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WO/2011/053804A2 |
An illumination device is disclosed, having a lightguide optically coupled to a light source and a transducer for supplying power to the light source by converting energy received from a remote transmitter. Energy received from a remote ...
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WO/2011/049352A2 |
The present invention relates to a wireless charging system for an electric vehicle and to a charging method for same, in which electric power is wirelessly supplied to the electric vehicle through a plurality of wireless transceiving pa...
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WO/2011/046407A2 |
A system, for controlling vertical movement of a power acquisition device mounted on an electric vehicle, comprising a power acquisition coil for generating induced power by using a magnetic field generated by a power line embedded in a ...
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WO/2011/046399A2 |
A method, for manufacturing a device for canceling an undesirable magnetic field around an on-line electric vehicle, the method comprising, calculating a primary magnetic field generated by a current flowing through a power line, calcula...
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WO/2011/046403A2 |
An autonomous driving apparatus mounted on an on-line electric vehicle having a power collection device supplied with power from a power supply device includes a plurality of lateral magnetic sensors installed in the on-line electric veh...
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WO/2011/046405A2 |
A communication system for a vehicle on a section of a roadway, the system comprises a vehicle communication unit installed on the vehicle, the vehicle communication unit wirelessly communicates through a magnetic field signal; a plurali...
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WO/2011/046374A2 |
A power supply device is embedded in the longitudinal direction of a road and used for supplying a power to an on-line electric vehicle using magnetic induction. The power supply device includes a pair of split return cables, each split ...
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WO/2011/045883A1 |
It is an object of the invention to provide a road-powered inductive charging system for the EV. A primary core disposed on the surface of a roadway including a parking zone has a pair of a front plate core and a rear plate core extendin...
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WO/2011/046453A1 |
An inductive power transfer pickup circuit has a pickup coil (L2) and tuning capacitor (C2) connected in series to provide a series resonant circuit. A bi-directional switch (S1) is used to vary the phase angle between the open circuit p...
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WO/2011/046414A2 |
A power supply apparatus is for supplying power to an electric vehicle by a magnetic induction mechanism. The apparatus includes a power supply structure including a multiple number of power supply rail modules connected in a forward roa...
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WO/2011/044695A1 |
An inductively coupled power and data transmission system include a main power source, apparel having an electrical conductor in electrical communication with the main power source, the apparel having a first inductively couplable power ...
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WO/2011/046400A2 |
A power transport apparatus for transporting electric power to an electric vehicle on the road is provided. The apparatus includes a plurality of power supply units provided at a road in a longitudinal direction of the road, one or more ...
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WO/2011/043494A1 |
The electromagnetic filter according to the present invention includes a shield opening 102 provided in a shield conductor 101, a plurality of conductive strips 111 connected to the shield conductor 101 at both of two ends for dividing t...
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WO/2011/043628A2 |
A power supply apparatus for on-line electric vehicle is buried in a road to supply electric power to the vehicle moving on the road without making a contact with the vehicle. The power supply apparatus includes at least one power supply...
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WO/2011/039602A1 |
Disclosed is a power supply line for high-frequency current wherein the positioning of the inner tube in relation to the outer tube is accurate, and which has a good moldable yield. Also disclosed is a manufacturing method for said power...
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WO/2011/037777A2 |
In accordance with various aspects of the disclosure, a method and apparatus is disclosed that includes features of wirelessly powering a speaker. A system of coupled magnetic resonators may be used to deliver both power and audio wirele...
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WO/2011/036545A1 |
A power transfer device wirelessly transfers AC power for charging at least one load, and an associated method of wirelessly transferring power is provided The device and method use phase-shift control to control the wireless transfer of...
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WO/2011/036702A1 |
A wireless power transmission from a power feeding device to a power receiving device is implemented. The power feeding device (100) comprises: an oscillator (102) for generating a high-frequency signal; a resonant frequency determinatio...
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WO/2011/038041A1 |
Techniques for designing a communications unit including a signal separation module for energy harvesting. In an exemplary aspect, the signal separation module includes first and second quadrature hybrids coupled by band-pass filters (BP...
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WO/2011/037434A2 |
A power supply device which supplies power to an electric vehicle in a magnetic induction method, includes a plurality of power supply core units. Each of the power supply core units has a plurality of magnetic poles arranged at a predet...
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WO/2011/036343A1 |
The invention relates to a method for wirelessly powering a load (RL) over an inductive link, wherein the inductive link is between a primary side (2-A, 4-A, 5-A) and a secondary side (2-B, 4-B, 5-B). The invention is known in transmitti...
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WO/2011/034264A1 |
Provided are a contactless charging apparatus, a contactless charging battery apparatus, and a contactless charging system including same. According to one embodiment of the present invention, a contactless charging apparatus for chargin...
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WO/2011/032048A1 |
Exemplary embodiments are directed to variable power wireless power transmission. A method may include conveying wireless power to a device at a first power level during a time period. The method may further include conveying wireless po...
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WO/2011/030306A1 |
The present invention provides a system and method for delivering electrical power using fiber optic cables. The system includes a laser that produces a laser beam, a laser beam splitter for splitting the laser beam into a plurality of l...
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WO/2011/031188A2 |
The invention relates to the field of electrical engineering, in particular to technology and equipment for transmitting electrical energy via a single conducting channel. The technical result consists in reducing energy transmission los...
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WO/2011/027318A1 |
Example embodiments are disclosed for detecting the proximity of a user to a wireless charger and switching off or gradually reducing the power applied to the transmitting coils as long as the user is closer than a threshold distance. A ...
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WO/2011/027627A1 |
Disclosed is an extension cord for a contactless electricity-supplying device that has, at an electricity-receiving section at one of the end-sides thereof, an electricity-receiving coil wound around an electricity-receiving core, which ...
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WO/2011/026282A1 |
A wireless charging device (100, 200, 300) is used to be connected with a rechargeable battery or an apparatus with a rechargeable battery. The device includes a main body part (10, 20, 30), a charging circuit part (11, 21, 31) connected...
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WO/2011/026363A1 |
A contactless charging equipment and a charging method, a rechargeable battery and a charger thereof. The contactless charging equipment (20) includes the rechargeable battery (22) and the charger (21). The rechargeable battery (22) incl...
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WO/2011/025212A2 |
Disclosed are a method and device for cooperatively sending and receiving power wirelessly. Wireless power charging coverage at the level of data signal transmission can be ensured by establishing one or more nodes for transmitting, to a...
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WO/2011/019088A2 |
A wireless power transmission unit of this invention includes: an oscillator 103 for converting DC energy into RF energy having a frequency f0; a first antenna 107 to transmit the RF energy; and a second antenna 109 to receive at least a...
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WO/2011/011536A2 |
An inductive signal interface comprises a coil assembly including one or more inductive coils, a bridge circuit including a plurality of switches, and control circuitry. The control circuitry is configured to individually operate the plu...
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WO/2011/011110A1 |
A method and apparatus for operating a sensor system (400). A first wireless signal (426) is transmitted from a base station (402) to a sensor unit (404). At least a portion of the first wireless signal (426) is changed into power (428) ...
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WO/2011/007661A1 |
Disclosed are a method and an apparatus for transmitting power and data, by which power and information (data) can be transmitted without a contact at the same time to a USB device using a USB interface. The apparatus has: a power transm...
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WO/2011/001812A1 |
Provided are a coil, a coil producing method, and a coil module, wherein a magnetic shield function can be enhanced on the entire surface of a spiral conductor other than the surface to be electromagnetically coupled, losses in the elect...
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