WIRELESSLY POWERED LAPTOP AND DESKTOP ENVIRONMENT

• US 20120091794A1
• Filed: 10/06/2011
• Published: 04/19/2012
• Est. Priority Date: 09/27/2008
• Status: Abandoned Application

• Current Assignee: WiTricity Corporation
• Original Assignee: WiTricity Corporation
• Inventors: Campanella, Andrew J., Hall, Katherine L., Karalis, Aristeidis, Kesler, Morris P., Kurs, Andre B., Li, Qiang, Soljacic, Marin
• Application Number:
  US13/267,733
• Publication Number:
  US 20120091794A1
• Time in Patent Office: Days
• US Class Current: 307/11
• CPC Class Codes: B60L 2200/26 Rail vehicles
• CPC Class Codes: B60L 53/124 Detection or removal of foreign bodies
• CPC Class Codes: B60L 53/126 Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
• CPC Class Codes: G06F 1/26 Power supply means, e.g. regulation thereof for memories G11C
• CPC Class Codes: H01F 2003/005 Magnetic cores for receiving several windings with perpendicular axes, e.g. for antennae or inductive power transfer
• CPC Class Codes: H02J 50/05 using capacitive coupling
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/40 using two or more transmitting or receiving devices H02J50/50 takes precedence
• CPC Class Codes: H02J 50/50 using additional energy repeaters between transmitting devices and receiving devices
• CPC Class Codes: H02J 50/70 involving the reduction of electric, magnetic or electromagnetic leakage fields
• CPC Class Codes: H02J 50/90 involving detection or optimisation of position, e.g. alignment
• CPC Class Codes: H02J 7/35 with light sensitive cells
• CPC Class Codes: H03H 7/40 Automatic matching of load impedance to source impedance
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 90/12 Electric charging stations
• CPC Class Codes: Y02T 90/14 Plug-in electric vehicles

Abstract

A wireless energy transfer system for energizing desktop electronics includes a source resonator, having a dipole moment, and configured to be positioned above a desk and oriented such that the dipole moment of the resonator is parallel to a top surface of the desktop, the source resonator configured to generate oscillating magnetic fields, and wherein the oscillating magnetic field is capable of providing energy to at least one electronic device having an integrated device resonator when the electronic device is positioned at least one of on the desktop and above the desktop.

Claims

1. A wireless energy transfer system for energizing desktop electronics, the system comprising:

a source resonator, having an a dipole moment, and configured to be positioned above a desk and oriented such that the dipole moment of the resonator is parallel to a top surface of the desktop, the source resonator configured to generate oscillating magnetic fields, and

wherein the oscillating magnetic field is capable of providing energy to at least one electronic device having an integrated device resonator when the electronic device is positioned at least one of on the desktop and above the desktop.

2. The system of claim 1, wherein the at least one electronic device is a computer and wherein the dipole moment of the integrated device resonator of the computer is orthogonal to the dipole moment of the source resonator when the computer is positioned on the desktop.

3. The system of claim 1, wherein the at least one electronic device is battery.

4. The system of claim 1, wherein the at least one electronic device is a mobile telephone.

5. A computer comprising:

a computer magnetic resonator comprising a printed circuit board conducting loop and at least one capacitor,

wherein the computer magnetic resonator is configured for wireless power exchange with at least one other magnetic resonator comprising a capacitively loaded conducting loop,

wherein the orientation of the conducting loops of the computer magnetic resonator and the at least one other magnetic resonator can vary from substantially parallel to each other to substantially perpendicular to each other; and

wherein useful working power is exchanged between said computer magnetic resonator and said at least one other magnetic resonator.

6. The computer of claim 5 wherein the computer magnetic resonator is integrated into the computer.

7. The computer of claim 5 wherein the computer magnetic resonator is external to the computer.

8. The computer of claim 5 wherein the computer magnetic resonator connects to the computer via a connector.

9. The computer of claim 5 wherein the computer magnetic resonator comprises a multilayer printed circuit board.

10. The computer of claim 9 wherein the printed circuit board comprises multiple layers, each of said layers comprising conducting traces, wherein said conducting traces on different of said layers are electrically connected.

11. The computer of claim 5 wherein the computer magnetic resonator receives power wirelessly from a source resonator.

12. The computer of claim 5 wherein the computer magnetic resonator transmits power wirelessly to at least one other magnetic resonator.

13. The computer of claim 5 wherein the computer magnetic resonator both transmits and receives power wirelessly.

14. The computer of claim 5 wherein the at least one other magnetic resonator comprises copper wire.

15. The computer of claim 5 wherein the at least one other magnetic resonator comprises Litz wire.

16. The computer of claim 5 wherein the computer magnetic resonator has a resonant frequency of approximately 6.78 MHz.

17. The computer of claim 5 wherein the computer magnetic resonator has a resonant frequency of approximately 13.56 MHz.

18. The computer of claim 5 wherein the computer further comprises wireless communication capabilities.

19. The computer of claim 5 further comprising a control mechanism for controlling the amount of wireless power transmitted or received by the computer magnetic resonator.

20. The computer of claim 5 further comprising any one of an amplifier circuit, a rectifier circuit, a filter circuit, and a feedback circuit.

21. The computer of claim 5 wherein power received by the computer is used to at least partially power components associated with the computer.

22. The computer of claim 5 wherein power received by the computer is used to at least partially charge a battery associated with the computer.

23. The computer of claim 5 wherein the characteristic size of the computer magnetic resonator is substantially different from a characteristic size of at least one of the other magnetic resonators.

24. The computer of claim 5 wherein the shape of the computer magnetic resonator is substantially different from a shape of at least one of the other magnetic resonators.

25. The computer of claim 5 wherein the at least one other magnetic resonator is used to extend the distance range of wireless power transfer.

26. The computer of claim 5 wherein the at least one additional magnetic resonator is substantially in contact with the computer.

27. The computer of claim 5 wherein the at least one additional magnetic resonator is not touching the computer.

28. The computer of claim 5 wherein the at least one additional magnetic resonator is a repeater resonator.