Methods and systems for wireless energy and data transmission

• US 7,960,867 B2
• Filed: 10/21/2008
• Issued: 06/14/2011
• Est. Priority Date: 11/27/2007
• Status: Expired due to Fees

• Current Assignee: Extremely Ingenious Engineering, LLC
• Original Assignee: Extremely Ingenious Engineering
• Inventors: Issa, Anthony Francis, Messer, Jeffrey, Tobias, John Michael
• Primary Examiner(s): Fureman, Jared J
• Assistant Examiner(s): Kaplan, Hal I
• Application Number:
  US12/288,586
• Publication Number:
  US 20090134711A1
• Time in Patent Office: 966 Days
• Field of Search: 307/104
• US Class Current: 307/104
• CPC Class Codes: H01F 27/006 with special arrangement or spacing of turns of the winding(s), e.g. to produce desired self-resonance
• CPC Class Codes: H01F 27/36 Electric or magnetic shields or screens movable for varying inductance H01F21/10
• CPC Class Codes: H01F 27/363 made of electrically conductive material
• CPC Class Codes: H01F 38/14 Inductive couplings for wireless supply or distribution of electric power using inductive coupling H02J50/10
• CPC Class Codes: H01Q 7/00 Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
• CPC Class Codes: H01Q 7/06 with core of ferromagnetic material H01Q7/02 takes precedence
• CPC Class Codes: H01Q 7/08 Ferrite rod or like elongated core
• CPC Class Codes: H02J 50/005 Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
• 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 5/266 One coil at each side, e.g. with primary and secondary coils
• CPC Class Codes: H04B 5/48 Transceivers

Abstract

System and methods for wireless energy and data transmission are described. One aspect includes an emitter and receiver. The emitter may include primary and secondary emitting windings. The receiver may include primary and secondary receiver windings. In further aspects, the emitter may include a tertiary emitting winding and the receiver may include a tertiary receiver winding. In one aspect, the emitter uses driving circuitry and the receiver uses rectifying circuitry and one or more capacitors. In further aspects, the emitter and receiver are reversible.

Claims

1. A system for wirelessly transmitting and receiving energy, comprising:

an emitter, comprising;

a primary emitting winding wrapped around a first support and having first and second ends coupled to a driver; and

a secondary emitting winding wrapped around a second support and having a first end of the secondary emitting winding coupled to a first top load and a second end; and

a receiver, comprising;

a primary receiving winding wrapped around a third support and having first and second ends coupled to first and second inputs of a rectifying circuitry, respectively, where a first output of the rectifying circuitry is coupled to a first terminal of one or more capacitors and a second output of the rectifying circuitry is coupled to a second terminal of the one or more capacitors; and

a secondary receiving winding wrapped around a fourth support and having a first end coupled to a second top load and a second end;

wherein the second support is located within the first support and the fourth support is located within the third support.

2. The system of claim 1, wherein the second support is approximately concentric with the first support and the fourth support is approximately concentric with the third support.

3. The system of claim 1, further comprising a Faraday cage containing the emitter and the receiver.

4. The system of claim 1, wherein the rectifying circuitry includes a diode array.

5. The system of claim 1, wherein the one or more capacitors includes one or more snubber capacitors, low inductance polymeric capacitors, and electrolytic capacitors.

6. The system of claim 1, wherein a device is coupled to a positive output of the one or more capacitors.

7. The system of claim 1, wherein the driver includes a feedback system and insulated gate bipolar transistors in an H-bridge configuration.

8. The system of claim 1, further comprising a variable tap coupled to the primary receiving winding.

9. The system of claim 1, further comprising a first gas-tight container surrounding the emitter and a second gas-tight container surrounding the receiver.

10. The system of claim 9, wherein the first and second gas-tight containers include a gas with a high-dielectric atmosphere.

11. The system of claim 9, wherein the first and second gas-tight containers are vacuums.

12. The system of claim 1, wherein the first, second, third, and fourth supports are non-conductive tubes.

13. The system of claim 1, wherein the second end of the secondary emitting winding is coupled to a first ground.

14. The system of claim 1, wherein the second end of the secondary receiving winding is coupled to a first ground.

15. The system of claim 13, wherein the second end of the secondary receiving winding is coupled to a second ground.

16. The system of claim 1, wherein the one or more capacitors comprises a capacitor bank.

34. The system of claim 1, wherein the fourth support surrounds a form including a high permeability material.

17. A system for wirelessly transmitting and receiving energy, comprising:

an emitter, comprising;

a primary emitting winding wrapped around a first support and having first and second ends coupled to a driver;

a secondary emitting winding wrapped around a second support and having first and second ends; and

a tertiary emitting winding wrapped around a third support and having a first end of the tertiary emitting winding coupled to the first end of the secondary emitting winding and the second end of the tertiary emitting winding coupled to a first top load; and

a receiver, comprising;

a primary receiving winding wrapped around a fourth support and having first and second ends coupled to first and second inputs of a rectifying circuitry, respectively, where a first output of the rectifying circuitry is coupled to a first terminal of one or more capacitors and a second output of the rectifying circuitry is coupled to a second terminal of the one or more capacitors;

a secondary receiving winding wrapped around a fifth support and having first and second ends; and

a tertiary receiving winding wrapped around a sixth support and having a first end of the tertiary receiving winding coupled to the first end of the secondary receiving winding and the second end of the tertiary receiving winding coupled to a second top load;

wherein the first support is located within the second support, the fourth support is located within the fifth support, the third support is located above the first and second supports, and the sixth support is located above the fourth and fifth supports.

18. The system of claim 17, wherein the second end of the secondary emitting winding is coupled to a first ground.

19. The system of claim 17, wherein the second end of the secondary receiving winding is coupled to a first ground.

20. The system of claim 18, wherein the second end of the secondary emitting winding is coupled to a first ground.

35. The system of claim 17, wherein the fifth and sixth supports each surround forms including a high permeability material.

21. A method of wirelessly transferring data and energy, comprising:

(a) inputting a data signal;

(b) inputting power to a driver;

(c) generating a carrier wave with the driver at a resonant frequency of an emitter;

(d) modulating the carrier wave based on the data signal to create a combined signal;

(e) driving the combined signal to an AC input on the emitter;

(f) electromagnetically coupling the emitter to a receiver;

(g) reproducing the combined signal in an AC output of the receiver;

(h) rectifying the AC output into DC power;

(i) demodulating the combined signal into the data signal; and

(j) transmitting the data signal to a device.

22. The method of claim 21, wherein the data signal is an audio signal.

23. The method claim 21, wherein the data signal is modulated using one of amplitude modulation, pulse width modulation, frequency modulation, and phase modulation.

24. The method of claim 21, wherein the device is an audio speaker.

25. The method of claim 21, wherein the rectifying the AC output into DC power is done through a rectifying circuitry and a capacitor bank.

26. The method claim 21, wherein the driver includes a feedback system and insulated gate bipolar transistors in an H-bridge configuration.

27. The method of claim 21, wherein the modulating step further comprises modulating the amplitude of the carrier wave.

28. The method of claim 21, wherein,

the emitter comprises:

a primary emitting winding wrapped around a first support and having first and second ends coupled to a driver;

a secondary emitting winding wrapped around a second support and having first and second ends; and

a tertiary emitting winding wrapped around a third support and having a first end of the tertiary emitting winding coupled to the first end of the secondary emitting winding and the second end of the tertiary emitting winding coupled to a first top load; and

the receiver comprises;

a primary receiving winding wrapped around a fourth support and having first and second ends coupled to first and second inputs of a rectifying circuitry, respectively, where a first output of the rectifying circuitry is coupled to a first terminal of one or more capacitors and a second output of the rectifying circuitry is coupled to a second terminal of the one or more capacitors;

a secondary receiving winding wrapped around a fifth support and having first and second ends; and

a tertiary receiving winding wrapped around a sixth support and having a first end of the tertiary receiving winding coupled to the first end of the secondary receiving winding and the second end of the tertiary receiving winding coupled to a second top load.

29. The method of claim 21, wherein

the emitter comprises:

a primary emitting winding wrapped around a first support and having first and second ends coupled to a driver;

a secondary emitting winding wrapped around a second support and having a first end of the secondary emitting winding coupled to a first top load and a second end; and

the receiver comprises;

a primary receiving winding wrapped around a third support and having first and second ends coupled to first and second inputs of a rectifying circuitry, respectively, where a first output of the rectifying circuitry is coupled to a first terminal of one or more capacitors and a second output of the rectifying circuitry is coupled to a second terminal of the one or more capacitors; and

a secondary receiving winding wrapped around a fourth support and having a first end coupled to a second top load and a second end.

36. The method of claim 28, wherein the fifth and sixth supports each surround forms including a high permeability material.

37. The system of claim 29, wherein the fourth support surrounds a form including a high permeability material.

30. A system for wirelessly transmitting and receiving energy, comprising:

an emitter, comprising;

a primary emitting winding wrapped around a first support and having first and second ends coupled to a first driver, wherein the first driver is coupled to first and second inputs of a rectifying circuitry respectively, where a first output of the rectifying circuitry is coupled to one or more capacitors through a first terminal of the one or more capacitors and a second output of the rectifying circuitry is connected to the one or more capacitors through a second terminal of the one or more capacitors; and

a secondary emitting winding wrapped around a second support and having a first end of the secondary emitting winding coupled to a first top load and a second end; and

a receiver, comprising;

a primary receiving winding wrapped around a third support and having first and second ends coupled to a second driver, wherein the second driver is coupled to first and second inputs of a rectifying circuitry respectively, where a first output of the rectifying circuitry is coupled to one or more capacitors through a first terminal of the one or more capacitors and a second output of the rectifying circuitry is connected to the one or more capacitors through a second terminal of the one or more capacitors; and

a secondary receiving winding wrapped around a fourth support and having a first end coupled to a second top load and a second end;

wherein the first support is located within the second support and the third support is located within the fourth support.

38. The system of claim 30, wherein the fourth support surrounds a form including a high permeability material.

31. A method for wirelessly transmitting and receiving energy, comprising:

(a) transmitting an alternating current into a driver coupled to a primary emitting winding of an emitter;

(b) inducing the alternating current into a secondary emitting winding of the emitter;

(c) sensing a frequency of the alternating current on the secondary emitting winding;

(d) transmitting a feedback signal to the driver based on the frequency;

(e) driving the AC current into the primary emitting winding at the resonant frequency of the secondary emitting winding;

(f) electromagnetically coupling the emitter to a receiver;

(g) inducing the alternating current into a secondary receiving winding of the receiver;

(h) inducing the alternating current into a primary receiving winding of the receiver;

(i) outputting the alternating current into a rectifying circuitry;

(j) rectifying the alternating current into a direct current;

(k) reducing ripples on the direct current; and

(l) transmitting the direct current to a device.

32. A system for wirelessly transmitting and receiving energy, comprising:

a reversible emitter, comprising;

a primary emitting winding wrapped around a first support and having first and second ends coupled to a first driver, wherein the first driver is coupled to a first rectifying circuitry, wherein the first rectifying circuitry is coupled to a first one or more capacitors;

a secondary emitting winding wrapped around a second support and having first and second ends; and

a tertiary emitting winding wrapped around a third support and having a first end of the tertiary emitting winding coupled to the first end of the secondary emitting winding and the second end of the tertiary emitting winding coupled to a first top load; and

a reversible receiver, comprising;

a primary receiving winding wrapped around a fourth support and having first and second ends coupled to a second driver, wherein the second driver is coupled to a second rectifying circuitry, wherein the second rectifying circuitry is coupled to a second one or more capacitors;

a secondary receiving winding wrapped around a fifth support and having first and second ends; and

a tertiary receiving winding wrapped around a sixth support and having a first end of the tertiary receiving winding coupled to the first end of the secondary receiving winding and the second end of the tertiary receiving winding coupled to a second top load;

wherein the second support is located within the first support, the fifth support is located within the fourth support, the third support is located above the first and second supports, and the sixth support is located above the fourth and fifth supports.

33. The system of claim 32, wherein

the first driver comprises:

insulated gate bipolar transistors in an H-bridge configuration; and

a switch for activating the first rectifying circuitry and the first one or more capacitors; and

the second driver comprises;

insulated gate bipolar transistors in an H-bridge configuration; and

a switch for activating the second rectifying circuitry and the second one or more capacitors.

39. The system of claim 32, wherein the fifth and sixth supports each surround forms including a high permeability material.