RESONANCE POWER RECEIVER THAT INCLUDES A PLURALITY OF RESONATORS

• US 20110156489A1
• Filed: 12/14/2010
• Published: 06/30/2011
• Est. Priority Date: 12/29/2009
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Kim, Nam Yun, Park, Eun Seok, Ryu, Young Ho, Kwon, Sang Wook, Hong, Young Tack
• Granted Patent: US 8,890,367 B2
• Time in Patent Office: Days
• US Class Current: 307/104
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/50 using additional energy repeaters between transmitting devices and receiving devices
• CPC Class Codes: H04B 5/24 Inductive coupling
• CPC Class Codes: H04B 5/79 for data transfer in combination with power transfer

Abstract

Provided is a resonance power receiver, including a first resonator, a second resonator to receive a resonance power and a phase shifter to shift the phase of the signal received via the second resonator such that the signal received via the first resonator and the signal received via the second resonator are in phase.

Claims

1. A resonance power receiver, comprising:

a first resonator and a second resonator to receive a resonance power;

a phase detector to detect a phase of a signal received via the first resonator, and to detect a phase of a signal receive via the second resonator;

a phase shifter to shift the phase of the signal received via the second resonator so that the phase of the signal received via the first resonator and the phase of the signal received via the second resonator are in phase; and

a combiner to combine the signal received via the first resonator with the signal of which the phase is shifted by the phase shifter.

2. The resonance power receiver of claim 1, further comprising:

a rectifier to generate a direct current (DC) voltage by rectifying an output signal of the combiner.

3. The resonance power receiver of claim 2, further comprising:

a DC-to-DC (DC/DC) converter to provide an output voltage of the rectifier to a load.

4. The resonance power receiver of claim 2, further comprising:

a switch unit to connect an output voltage of the rectifier to a load when the signal received via the first resonator is in-phase combined with the signal of which the phase is shifted by the phase shifter.

5. A resonance power receiver, comprising:

a reception resonance unit comprising a plurality of resonators to receive a resonance power;

a rectification unit comprising a plurality of rectifiers to rectify an output signal of each of the resonators, respectively;

a charging unit to store an output voltage of each of the rectifiers; and

a switch unit to selectively switch a voltage stored in the charging unit based on a power consumption mode.

6. The resonance power receiver of claim 5, wherein the charging unit is configured to receive the output voltage of each of the rectifiers via a plurality of input terminals connected to the plurality of rectifiers, respectively, and is connected to the switch unit via a single output terminal.

7. The resonance power receiver of claim 5, wherein:

the charging unit comprises a plurality of chargers that are connected to the plurality of rectifiers, respectively, and

the switch unit is configured to selectively switch each of the chargers based on a power consumption mode.

8. The resonance power receiver of claim 5, wherein, when the power consumption mode corresponds to an operating mode, the switch unit is configured to switch the voltage stored in the charging unit to be provided to all the loads desiring power.

9. The resonance power receiver of claim 5, wherein, when the power consumption mode corresponds to a sleep mode or a power save mode, the switch unit is configured to switch the voltage stored in the charging unit to be provided to a particular load for performing an idle operation of the resonance power receiver.

10. The resonance power receiver of claim 5, further comprising:

a first phase detector to detect a phase of a signal received via a first resonator from among the plurality of resonators, and to detect a phase of a signal received via a second resonator;

a first phase shifter to shift the phase of the signal received via the second resonator so that the phase of the signal received via the first resonator and the phase of the signal received via the second resonator are in phase;

a first combiner to combine the signal of the received via the first resonator with the signal of which the phase is shifted by the first phase shifter;

a second phase detector to detect a phase of a signal received via a third resonator from among the plurality of resonators, and to detect a phase of a signal received via a fourth resonator;

a second phase shifter to shift the phase of the signal received via the fourth resonator so that the phase of the signal received via the third resonator and the phase of the signal received via the fourth resonator are in phase; and

a second combiner to combine the signal received via the third resonator with the signal of which the phase is shifted by the second phase shifter.