Amplification relay device of electromagnetic wave and a radio electric power conversion apparatus using the device

• US 8,681,465 B2
• Filed: 07/26/2012
• Issued: 03/25/2014
• Est. Priority Date: 07/29/2004
• Status: Expired

• Current Assignee: Andong National University Industry Academic Cooperation Foundation, JC Protek Company Limited
• Original Assignee: Andong National University Industry Academic Cooperation Foundation, JC Protek Company Limited
• Inventors: Lee, Hyung-Joo
• Primary Examiner(s): Jackson, Stephen W
• Application Number:
  US13/558,910
• Publication Number:
  US 20130099583A1
• Time in Patent Office: 607 Days
• Field of Search: 361/113
• US Class Current: 361/113
• CPC Class Codes: H01F 38/14 Inductive couplings for wireless supply or distribution of electric power using inductive coupling H02J50/10
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/502 the energy repeater being integrated together with the emitter or the receiver
• CPC Class Codes: H02J 7/00712 the cycle being controlled or terminated in response to electric parameters
• CPC Class Codes: H04B 5/79 for data transfer in combination with power transfer
• CPC Class Codes: H04B 7/15535 Control of relay amplifier gain amplifier gain control in general H03G3/00; gain control reducing self - or loop interference H04B7/15578

Abstract

Provided is an amplifying repeater to intensify and amplify a magnetic field of electromagnetic waves. Also provided is a wireless power conversion charging device using the magnetic field of electromagnetic waves, which is located between an electromagnetic wave generating source transmitter and a receiving coil or attached to a transmitter and a receiving coil. Accordingly, charging power for various electronic devices can be provided and power can be wirelessly supplied to various loads.

Claims

1. A wireless power transmitting system comprising:

an electromagnetic wave generating source comprising a first induction coil and a first condenser connected to the first induction coil; and

a repeater comprising a second induction coil and a second condenser connected to the second induction coil,

wherein the repeater is configured to wirelessly repeat power generated by the electromagnetic wave generating source to a receiver, and

the first induction coil and the second induction coil are positioned on a substantially same plane.

2. The system of claim 1, wherein the first induction coil and the second induction coil correspond to a spiral coil type.

3. The system of claim 2, wherein

windings of the first induction coil are configured to form a first circle, and

windings of the second induction coil are configured to form a second circle surrounding the first circle.

4. The system of claim 2, wherein the first circle and the second circle correspond to concentric circles.

5. The system of claim 3, wherein the first circle and the second circle are configured to be parallel to a third circle formed by windings of a third induction coil included in the receiver.

6. The system of claim 1, wherein the first induction coil is not connected through wire to the second induction coil.

7. A wireless power transmitting system comprising:

a receiver comprising a first induction coil and a first condenser connected to the first induction coil; and

a repeater comprising a second induction coil and a second condenser connected to the second induction coil,

wherein the repeater is configured to wirelessly repeat power generated by an electromagnetic wave generating source to the receiver, and

the first induction coil and the second induction coil are positioned on a substantially same plane.

8. The system of claim 7, wherein the first induction coil and the second induction coil correspond to a spiral coil type.

9. The system of claim 8, wherein

windings of the first induction coil are configured to form a first circle, and

windings of the second induction coil are configured to form a second circle surrounding the first circle.

10. The system of claim 9, wherein the first circle and the second circle correspond to concentric circles.

11. The system of claim 9, wherein the first circle and the second circle are configured to be parallel to a third circle formed by windings of a third induction coil included in the electromagnetic wave generating source.

12. The system of claim 7, wherein the first induction coil is not connected through wire to the second induction coil.

13. A wireless power transmitting system comprising:

an electromagnetic wave generating source configured to generate power;

a repeater system configured to receive the power from the electromagnetic wave generating source and wirelessly transmitting the power to a receiver; and

a receiver configured to wirelessly receive the power from the repeater system,

wherein the repeater system comprises;

a first repeater comprising a first induction coil positioned on a plane substantially identical to a plane on which an induction coil of the electromagnetic wave generating source is positioned; and

a second repeater comprising a second induction coil positioned on a plane substantially identical to a plane on which an induction coil of the receiver is positioned.

14. A wireless power transmitting system comprising:

a repeat LC circuit configured to repeat power received from a transmission LC circuit through resonance; and

a reception LC circuit configured to receive the repeated power through resonance,

wherein the power received at the reception LC circuit through the repeat LC circuit is greater than or equal to 0.28 watts, and

a current of the power received at the reception LC circuit through the repeat LC circuit is greater than or equal to 4.7 milliamps.

15. The system of claim 14, wherein an induction coil of the repeat LC circuit is configured to surround an induction coil of the reception LC circuit.

16. A wireless power transmitting system comprising:

an electromagnetic wave generating source comprising a first induction coil and a first condenser connected to the first induction coil; and

a repeater comprising a second induction coil and a second condenser connected to the second induction coil,

wherein the second induction coil is configured to surround the first induction coil, or the first induction coil is configured to surround the second induction coil.

17. A wireless power transmitting system comprising:

a receiver comprising a first induction coil and a first condenser connected to the first induction coil to construct a resonance circuit; and

a repeater comprising a second induction coil and a second condenser connected to the second induction coil to construct a resonance circuit,

wherein the second induction coil is configured to surround the first induction coil, or the first induction coil is configured to surround the second induction coil.

18. A wireless power transmitting system comprising:

an electromagnetic wave generating source comprising a first induction coil and a first condenser connected to the first induction coil; and

a repeater comprising a second induction coil and a second condenser connected to the second induction coil,

wherein the repeater is configured to wirelessly repeat power generated by the electromagnetic wave generating source to a receiver, and

the second induction coil is positioned on an outer side or an inner side of the first induction coil.

19. A wireless power transmitting system comprising:

a receiver comprising a first induction coil and a first condenser connected to the first induction coil to construct a resonance circuit; and

a repeater comprising a second induction coil and a second condenser connected to the second induction coil to construct a resonance circuit,

wherein the repeater is configured to wirelessly repeat power generated by an electromagnetic wave generating source to the receiver, and

the second induction coil is positioned on an outer side or an inner side of the first induction coil.