WIRELESSLY POWERED SPEAKER

• US 20110181122A1
• Filed: 04/01/2011
• Published: 07/28/2011
• Est. Priority Date: 07/12/2005
• Status: Abandoned Application

• Current Assignee: Massachusetts Institute of Technology
• Original Assignee: Massachusetts Institute of Technology
• Inventors: Karalis, Aristeidis, Soljacic, Marin, Moffatt, Robert, Kurs, Andre B., Joannopoulos, John D., Fisher, Peter H.
• Application Number:
  US13/078,511
• Publication Number:
  US 20110181122A1
• Time in Patent Office: Days
• US Class Current: 307/104
• CPC Class Codes: B60L 2210/20 AC to AC converters
• 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: 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 9/04 Resonant antennas
• CPC Class Codes: H02J 50/12 of the resonant type
• 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: H04B 5/79 for data transfer in combination with power transfer
• 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: Y10T 29/4902 Electromagnet, transformer or inductor

Abstract

Described herein are embodiments of a transmitter that includes a modulation circuit configured to modulate a power carrier signal with an information signal to form a modulated signal; and a high-Q resonator configured to couple with a high-Q resonator of a receiver, wherein the resonator is configured to transmit the modulated signal wirelessly to the resonator of the receiver.

Claims

1. A transmitter comprising:

a modulation circuit configured to modulate a power carrier signal with an information signal to form a modulated signal; and

a high-Q resonator configured to couple with a high-Q resonator of a receiver, wherein the resonator is configured to transmit the modulated signal wirelessly to the resonator of the receiver.

2. The transmitter of claim 1, further comprising:

an electrical structure operably connected to the resonator, wherein the electrical structure is configured to optimize power delivery of the drive circuit to the resonator.

3. A receiver comprising:

a high-Q resonator configured to;

couple with a high-Q resonator of a transmitter; and

receive a modulated signal wirelessly from the transmitter, wherein the modulated signal comprises a power carrier signal and an information signal.

4. The receiver of claim 3, further comprising:

a circuit configured to receive an information signal, a power signal, or both.

5. The receiver of claim 3, further comprising:

an electrical structure operably connected to the resonator, wherein the electrical structure is configured to optimize power delivery between a circuit and an electrical structure of the resonator.

6. The receiver of claim 4, wherein the power signal powers one or more of the following:

an amplifier, a display, a power control circuit associated with the receiver, a battery charging circuit, and an independent wireless communication system.

7. A method comprising:

coupling a high-Q resonator of a transmitter and a high-Q resonator of a receiver;

modulating a power carrier signal with an information signal to form a modulated signal; and

transmitting the modulated signal wirelessly from the high-Q resonator of the transmitter to the high-Q resonator of the receiver.

8. A method comprising:

coupling a high-Q resonator of a receiver and a high-Q resonator of a transmitter; and

receiving a modulated signal wirelessly from the transmitter, wherein the modulated signal comprises a power carrier signal and an information signal.

9. The method of claim 8, further comprising:

receiving the modulated signal to output an information signal, a power signal, or both.

10. The method of claim 9, wherein the power signal powers one or more of the following:

an amplifier, a display, a power control circuit associated with the receiver, a battery charging circuit, and an independent wireless communication system.

11. The method of claim 8, wherein the modulated signal comprises the power carrier signal and an encoded information signal.

12. The method of claim 11, further comprising:

receiving the modulated signal to output an encoded information signal, a power signal, or both.

13. The method of claim 12, further comprising:

receiving the information signal.