Wireless power transmitting device and method
AssigneeElectronics and Telecommunications Research Institute
InventorsSang-Won Kim, Jung Ick Moon, Seong-Min Kim, In Kui Cho, Je Hoon Yun, Dong Won Jang
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Abstract
Disclosed is a wireless power transmitting device and method, the wireless power transmitting device including, in response to detection of a power receiver within a predetermined separation distance from a charging pad, a controller configured to generate a magnetic field through a transmission coil with a multilayer structure in which a plurality of coil layers of different sizes are stacked, and a power transmitter configured to wirelessly transmit, to a reception coil of the power receiver, a power signal generated using magnetic fields generated by the plurality of coil layers.
Claims17
A wireless power transmitting device, comprising:
- in response to detection of a power receiver within a predetermined separation distance from a charging pad,
- a controller configured to generate a magnetic field through a transmission coil with a multilayer structure in which a plurality of coil layers of different sizes are stacked;
- and
- a power transmitter configured to wirelessly transmit, to a reception coil of the power receiver, a power signal generated using magnetic fields generated by the plurality of coil layers.
A wireless power transmitting method, comprising:
- in response to detection of a power receiver within a predetermined separation distance from a charging pad,
- generating a magnetic field through a transmission coil with a multilayer structure in which a plurality of coil layers of different sizes are stacked;
- and
- wirelessly transmitting, to a reception coil of the power receiver, a power signal generated using magnetic fields generated by the plurality of coil layers.
Dependencies are inferred from the claim text.