Wireless power receiver and method of controlling the same
AssigneeLG Innotek Co., Ltd.
InventorsJung Oh LEE, Ki Chul CHANG, Ki Min LEE
Life of this patent
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Abstract
A wireless power receiver to wirelessly receive power from a wireless power transmitter comprises a reception coil to receive the power wirelessly transmitted from the wireless power transmitter through a magnetic field, a frequency detecting unit to detect a frequency band of the power transmitted from the wireless power transmitter and an inductance varying unit to change an inductance of the reception coil according to the detected frequency band.
Claims20
A wireless power receiver to wirelessly receive power from a wireless power transmitter, the wireless power receiver comprising:
- a reception coil to receive the power wirelessly transmitted from the wireless power transmitter through a magnetic field;
- a frequency detecting unit to detect a frequency band of the power transmitted from the wireless power transmitter;
- and
- an inductance varying unit to change an inductance of the reception coil according to the detected frequency band,
- wherein the frequency band of the power transmitted from the wireless power transmitter comprises a first frequency band and a second frequency band, and the first frequency band is lower than the second frequency band.
(canceled)
A wireless power receiver to wirelessly receive power from a wireless power transmitter, the wireless power receiver comprises:
- a reception coil to receive power having a first frequency band from the wireless power transmitter;
- a frequency detecting unit to detect if a frequency band of the power transmitted from the wireless power transmitter is the first frequency band;
- and
- an inductance varying unit to change an inductance of the reception coil if the detected frequency band is out of the first frequency band.
A wireless power receiver to wirelessly receive power from a wireless power transmitter, the wireless power receiver comprises:
- a reception coil to receive power having a first frequency band from the wireless power transmitter;
- a frequency detecting unit to detect if a frequency band of the power transmitted from the wireless power transmitter is the first frequency band;
- and
- an inductance varying unit to change an inductance of the reception coil if the detected frequency band is out of the first frequency band,
- wherein an outer diameter of the reception coil receiving power having the first frequency is 40 mm.
Dependencies are inferred from the claim text.