WIRELESS POWER TRANSMISSION SYSTEM AND METHOD BASED ON IMPEDANCE MATCHING CONDITION
First Claim
Patent Images
1. A source device of a wireless power transmission system, the source device comprising:
- a power converter configured to generate power; and
a resonator configured to transmit the power to a target device,wherein a ratio of an input impedance of the resonator to an output impedance of the power converter is less than a reference value.
1 Assignment
0 Petitions
Accused Products
Abstract
A wireless power transmission system and a method based on an impedance matching condition are provided. A source device of the wireless power transmission system, includes a power converter configured to generate power. The source device further includes a resonator configured to transmit the power to a target device. A ratio of an input impedance of the resonator to an output impedance of the power converter is less than a reference value.
-
Citations
22 Claims
-
1. A source device of a wireless power transmission system, the source device comprising:
-
a power converter configured to generate power; and a resonator configured to transmit the power to a target device, wherein a ratio of an input impedance of the resonator to an output impedance of the power converter is less than a reference value. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. A source device of a wireless power transmission system, the source device comprising:
-
a power converter configured to generate a power; a resonator configured to transmit the power to target devices; and a matching network configured to perform impedance matching between the resonator and the target devices, wherein a ratio of an input impedance of the resonator to an output impedance of the power converter is less than a reference value.
-
-
8. A target device of a wireless power transmission system, the target device comprising:
-
a resonator configured to receive and output power from a source device; and a rectification unit configured to rectify the power output from the resonator, wherein a ratio of an output impedance of the resonator to an input impedance of the rectification unit is less than a reference value. - View Dependent Claims (9, 10, 11, 12)
-
-
13. A power transmission method of a wireless power transmission system, the power transmission method comprising:
-
generating, by a power converter, a power; and transmitting, by a resonator, the power to a target device, wherein a ratio of an input impedance of the resonator to an output impedance of the power converter is less than a reference value. - View Dependent Claims (14, 15, 16, 17)
-
-
18. A power transmission method of a wireless power transmission system, the power transmission method comprising:
-
generating, by a power converter, a power; transmitting, by a resonator, the power to target devices; and performing impedance matching between the resonator and the target devices, wherein a ratio of an input impedance of the resonator to an output impedance of the power converter is less than a reference value.
-
-
19. A power reception method of a wireless power transmission system, the power reception method comprising:
-
receiving, by a resonator, a power from a source device; and rectifying, by a rectification unit, the received power, wherein a ratio of an output impedance of the resonator to an input impedance of the rectification unit is less than a reference value. - View Dependent Claims (20, 21, 22)
-
Specification