Wireless power reception device and electronic device including the same
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorsIn Wha Jeong, Hugh Kim, Dae Hun Kim
Life of this patent
Estimating the term…
Abstract
A wireless power reception device includes a first resonant circuit having a first resonant frequency; a second resonant circuit connected in parallel with the first resonant circuit and having a second resonant frequency; and a rectifier configured to receive power received wirelessly by either one or both of the first resonant circuit and the second resonant circuit to output a charging current.
Claims30
A wireless power reception device comprising:
- a first resonant circuit having a first resonant frequency;
- a second resonant circuit connected in parallel with the first resonant circuit and having a second resonant frequency;
- and
- a rectifier configured to rectify power received wirelessly by either one or both of the first resonant circuit and the second resonant circuit to output a charging current.
A wireless power reception device comprising a printed circuit board (PCB), the PCB comprising:
- a first region in which a rectifier is disposed;
- and
- a second region in which a first coil, a second coil, a first capacitor, and a second capacitor are disposed;
- wherein one end of the first coil is connected to the rectifier and another end of the first coil is connected to the first capacitor,
- one end of the first capacitor is connected to the first coil and another end of the first capacitor is connected to the rectifier,
- one end of the second coil is connected to the rectifier and another end of the second coil is connected to the second capacitor,
- one end of the second capacitor is connected to the second coil and another end of the second capacitor is connected to the rectifier, and
- the first coil and the first capacitor connected to each other are connected in parallel with the second coil and the second capacitor connected to each other.
A wireless power reception device comprising a printed circuit board (PCB), the PCB comprising:
- a first region in which a first capacitor, a second capacitor, and a rectifier are disposed;
- and
- a second region in which a first coil and a second coil are disposed;
- wherein one end of the first coil is connected to the rectifier and another end of the first coil is connected to the first capacitor,
- one end of the first capacitor is connected to the first coil and another end of the first capacitor is connected to the rectifier,
- one end of the second coil is connected to the rectifier and another end of the second coil is connected to the second capacitor,
- one end of the second capacitor is connected to the second coil and another end of the second capacitor is connected to the rectifier, and
- the first coil and the first capacitor are connected to each other are connected in parallel with the second coil and the second capacitor connected to each other.
An electronic device comprising:
- a first resonant circuit having a first resonant frequency;
- a second resonant circuit connected in parallel with the first resonant circuit and having a second resonant frequency;
- a rectifier configured to rectify power received wirelessly by either one or both of the first resonant circuit and the second resonant circuit to output a charging current;
- and
- a battery configured to receive the charging current to be charged by the charging current.
A wireless power reception device comprising:
- a receiver comprising a plurality of resonant circuits each having a different resonant frequency, the receiver being configured to automatically activate one of the resonant circuits having a resonant frequency equal to a frequency of power being wirelessly transmitted without using a switch to wirelessly receive the power;
- and
- a rectifier configured to rectify the power received by the receiver to output a charging current.
Dependencies are inferred from the claim text.