WIRELESS POWERED PROJECTOR

• US 20120091796A1
• 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: Kesler, Morris P., Campanella, Andrew J., Hall, Katherine L., Karalis, Aristeidis, Kurs, Andre B., Li, Qiang
• Application Number:
  US13/267,757
• Publication Number:
  US 20120091796A1
• Time in Patent Office: Days
• US Class Current: 307/11
• CPC Class Codes: B60L 2200/12 Bikes
• CPC Class Codes: B60L 2200/22 Microcars, e.g. golf cars
• CPC Class Codes: B60L 2200/26 Rail vehicles
• CPC Class Codes: B60L 2210/10 DC to DC converters
• CPC Class Codes: B60L 2210/20 AC to AC converters
• CPC Class Codes: B60L 2210/30 AC to DC converters
• CPC Class Codes: B60L 2210/40 DC to AC converters
• CPC Class Codes: B60L 2250/10 by alarm
• CPC Class Codes: B60L 2250/16 by display
• CPC Class Codes: B60L 2260/28 Four wheel or all wheel drive
• CPC Class Codes: B60L 3/0069 relating to the isolation, e.g. ground fault or leak current
• 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: B60L 53/51 Photovoltaic means
• CPC Class Codes: B60L 53/52 Wind-driven generators
• CPC Class Codes: B60L 53/63 in response to network capacity
• CPC Class Codes: B60L 53/64 Optimising energy costs, e.g. responding to electricity rates
• CPC Class Codes: B60L 53/65 involving identification of vehicles or their battery types
• CPC Class Codes: B60L 53/665 Methods related to measuring, billing or payment
• CPC Class Codes: B60L 55/00 Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
• 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 50/05 : using capacitive coupling
• 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: H02J 50/60 : responsive to the presence of foreign objects, e.g. detection of living beings
• CPC Class Codes: H02J 50/70 : involving the reduction of electric, magnetic or electromagnetic leakage fields
• CPC Class Codes: H02J 50/80 : involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
• 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: H04B 5/26 : using coils
• CPC Class Codes: H04B 5/79 : for data transfer in combination with power transfer
• CPC Class Codes: Y02E 60/00 : Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
• 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 10/72 : Electric energy management in electromobility
• CPC Class Codes: Y02T 90/12 : Electric charging stations
• CPC Class Codes: Y02T 90/14 : Plug-in electric vehicles
• CPC Class Codes: Y02T 90/16 : Information or communication technologies improving the operation of electric vehicles
• CPC Class Codes: Y02T 90/167 : Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
• CPC Class Codes: Y04S 10/126 : the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
• CPC Class Codes: Y04S 30/14 : Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Abstract

A wireless power system for powering a projector includes a source resonator, configured to generate an oscillating magnetic field, and at least one device resonator, configured to receive power from the source resonator via the oscillating magnetic field, wherein said at least one device resonator supplies power to a projector component and to an adapter card component.

Claims

1. A wireless power system for powering a projector, the system comprising:

a source resonator, configured to generate an oscillating magnetic field; and

at least one device resonator, configured to receive power from the source resonator via the oscillating magnetic field,

wherein said at least one device resonator supplies power to a projector component and to an adapter card component.

2. The system of claim 1 wherein the at least one device resonator also transmits power wirelessly.

3. The system of claim 1 wherein the at least one device resonator also operates as a repeater resonator.

4. The system of claim 1 wherein the at least one device resonator comprises a wire.

5. The system of claim 1 wherein the at least one device resonator comprises a trace on a printed circuit board.

6. The system of claim 1 wherein the at least one device resonator comprises Litz wire.

7. The system of claim 1 wherein the at least one device resonator comprises conductive tubing.

8. The system of claim 1 wherein the at least one device resonator comprises magnetic material.

9. The system of claim 1 wherein the at least one device resonator comprises tiled ferrite blocks.

10. The system of claim 1 wherein the source resonator has a resonant frequency of approximately 6.78 MHz.

11. The system of claim 1 wherein the source resonator has a resonant frequency of approximately 13.56 MHz.

12. The system of claim 1 wherein the source resonator has a resonant frequency of approximately 250 kHz.

13. The system of claim 1 further comprising a control mechanism for controlling the amount of wireless power received by the at least one device resonator.

14. The system of claim 1 further comprising any of an amplifier circuit, a rectifier circuit, a filter circuit, and a feedback circuit.

15. The system of claim 1, wherein the at least one device resonator is capable of receiving power when the source resonator is positioned behind a wall hanging.

16. The system of claim 1, wherein the at least one device resonator is capable of receiving power when the source resonator is positioned behind a wall.

17. The system of claim 1, wherein the at least one device resonator is capable of receiving power when the source resonator is positioned within a cabinet.

18. The system of claim 1, wherein the source resonator is integrated into another electronic component.

19. The system of claim 1, wherein the source resonator supplies power to at least one additional component.

20. The system of claim 19, wherein the at least one additional component is any of a phone, a game controller, a remote control device, projector a wireless charging station, and a computer.

21. The system of claim 1 wherein the source resonator and the at least one device resonator are positioned substantially parallel to each other.

22. The system of claim 1 wherein the at least one device resonator is capable of receiving power when the source resonator and the at least one device resonator are positioned substantially perpendicular to each other.

23. The system of claim 1 wherein the at least one device resonator comprises a capacitively loaded conducting loop.

24. The system of claim 23 wherein the at least one device resonator is capable of supplying power to the projector when the projector is positioned substantially outside the conducting loop of the at least one device resonator.

25. The system of claim 23 wherein the device resonator is capable of supplying power to the adapter card when the adapter card is positioned substantially within the conducting loop of the at least one device resonator.

26. The system of claim 25 wherein a conducting sheet is positioned substantially over one side of the adapter card.

27. The system of claim 25 wherein a conducting sheet is positioned substantially over two sides of the adapter card.

28. The system of claim 25 wherein the adapter card is positioned at least partially inside a copper pocket.

29. The system of claim 1 wherein the at least one device resonator is retrofit to the projector component.

30. The system of claim 1 wherein the power received by the at least one device resonator is converted to at least one DC voltage.

31. The system of claim 1 wherein the power received by the at least one device resonator is converted to at least two DC voltages.

32. The system of claim 1 wherein the projector receives display information from a computer.

33. The system of claim 1 wherein the projector receives display information from an electronic network component.

34. The system of claim 1 wherein the projector is a video projector.

35. The system of claim 1 wherein the adapter card transmits and receives information signals wirelessly.

36. The system of claim 1 wherein the projector simultaneously receives power and information signals wirelessly.

37. The system of claim 1 wherein the projector simultaneously receives power and transmits information signals wirelessly.

38. The system of claim 1 wherein additional electronic components are powered by the source resonator.

39. The system of claim 1 wherein additional electronic components are charged by the source resonator.