LONG RANGE LOW FREQUENCY RESONATOR
Described herein are embodiments of a wireless power transmitter system for transmitting power to at least one high-Q resonator that includes a connection to a source of line power, a modulating part, which converts said line power to create a first frequency of lower than 1 MHz, and a transmitter part, including a transmitting high-Q resonator formed of a conductive loop with a capacitor that brings said high-Q resonator to resonance at said first frequency, and which produces a magnetic field based on said source of line power, said transmitter part having a Q factor at said frequency, where said Q factor is at least 300.
1 . A wireless power transmitter system for transmitting power to at least one high-Q resonator, comprising:
a connection to a source of line power;
a modulating part, which converts said line power to create a first frequency of lower than 1 MHz; and
a transmitter part, including a transmitting high-Q resonator formed of a conductive loop with a capacitor that brings said high-Q resonator to resonance at said first frequency, and which produces a magnetic field based on said source of line power, said transmitter part having a Q factor at said frequency, where said Q factor is at least 300.
2 . A system as in claim 1 , wherein said Q factor is at least 1000.
3 . A system as in claim 1 , wherein said transmitting high-Q resonator uses stranded wire for said conductive loop formed of multiple strands which each carry current but are insulated from one another.
4 . A system as in claim 1 , wherein said transmitting high-Q resonator uses material inside said conductive loop.
5 . A system as in claim 4 , wherein said material is formed of a magnetic material.
6 . A system as in claim 5 , wherein said conductive loop is formed of a stranded wire material formed of multiple strands which each carry current but are insulated from each other.
7 . A system as in claim 6 , wherein said stranded wire material is Litz wire.
8 . A system as in claim 1 , further comprising at least one resonator, tuned to repeat a magnetic field produced by said transmitter.
9 . A system as in claim 1 , wherein said first frequency is lower than 500 kHz.
10 . A system as in claim 1 , further comprising a receiver that has a high-Q resonator formed of a coil loop and a capacitor which makes a resonant circuit at said first frequency that has magnetic energy induced therein by said transmitter, and which produces output power.
11 . A system as in claim 10 , wherein said high-Q resonator in said receiver uses stranded wire in said coil loop formed of multiple strands which each carry current but are each insulated from one another.
12 . A system as in claim 10 , wherein said high-Q resonator in said receiver uses magnetic material in said coil loop.
13 . A wireless power receiver system for receiving power from at least one high-Q resonator, comprising:
a receiver part, including a receiving high-Q resonator formed of a conductive loop with a capacitor that brings said high-Q resonator to resonance at a first frequency, and which receives a magnetic field and produces an output that is based on the magnetic field, said first frequency being lower than 1 MHz; and
a circuit, which couples to said output to produce a power output.
14 . A system as in claim 13 , wherein a Q factor of said receiver part is at least 300.
15 . A system as in claim 13 , wherein said receiving high-Q resonator uses stranded wire for said conductive loop formed of multiple strands which each carry current but are insulated from one another.
16 . A system as in claim 13 , wherein said receiving high-Q resonator uses material inside said conductive loop.
17 . A system as in claim 16 , wherein said material is formed of a magnetic material.
18 . A system as in claim 17 , wherein said conductive loop is formed of a stranded wire material formed of multiple strands which each carry current but are insulated from each other.
19 . A system as in claim 18 , wherein said stranded wire material is Litz wire.
20 . A system as in claim 13 , further comprising at least one resonator, tuned to repeat a magnetic field at said first frequency.
21 . A system as in claim 13 , wherein said first frequency is lower than 500 kHz.
22 . A system as in claim 13 , further comprising a transmitter that has a high-Q resonator formed of a coil loop and a capacitor which makes a resonant circuit at said first frequency that has magnetic energy produced therein by a source of line power.
23 . A system as in claim 22 , wherein said high-Q resonator in said receiver uses stranded wire in said coil loop.
24 . A system as in claim 10 , wherein said high-Q resonator in said receiver uses magnetic material in said coil loop.
25 . A method of transmitting power to at least one high-Q resonator, comprising:
using electrical power to create a signal having a first frequency of lower than 1 MHz; using a high-Q resonator which is self-resonant at said first frequency to transmit said signal; and using a second resonator a-that is activated by the transmitter to repeat said signal at said first frequency.
26 . A method as in claim 25 , wherein said high-Q resonator includes an inductive loop, and a capacitor that brings the high-Q resonator to resonance at said first frequency.
27 . A method as in claim 26 , wherein said high-Q resonator is formed of stranded wire formed of multiple strands which each carry current but are each insulated from one another.
28 . A method as in claim 26 , wherein said inductive loop includes a magnetic material.
29 . A method as in claim 25 , wherein said second resonator is formed of stranded wire.
30 . A method as in claim 25 , wherein said second resonator includes a magnetic material.
31 . A wireless power transmitter system for transmitting power to at least one high-Q resonator, comprising:
a connection to a source of line power;
a modulating part, which converts said line power to create a first frequency;
a transmitter part, including a transmitting high-Q resonator formed of a conductive loop with a capacitor that brings said high-Q resonator to resonance at said first frequency, and which produces a magnetic field based on said source of line power, said transmitter part having a Q factor at said frequency; and
at least a second resonator having no source of power connected to said second resonator, tuned to repeat a magnetic field produced by said transmitter.
32 . A system as in claim 31 , wherein said Q factor is at least 1000.
33 . A system as in claim 31 , wherein said transmitting high-Q resonator uses stranded wire for said conductive loop formed of multiple strands which each carry current but are each insulated from one another.
34 . A system as in claim 31 , wherein said transmitting high-Q resonator uses a magnetic material inside said conductive loop.
35 . A system as in claim 31 , wherein said first frequency is lower than 1 MHz.
36 . A system as in claim 31 , further comprising a receiver that has a high-Q resonator formed of a coil loop and a capacitor which makes a resonant circuit at said first frequency, where said high-Q resonator has magnetic energy induced therein by said transmitter, and where said receiver produces output power.
37 . A system as in claim 36 , wherein said high-Q resonator in said receiver uses stranded wire in said coil loop formed of multiple strands which each carry current but are each insulated from one another.
38 . A system as in claim 36 , wherein said high-Q resonator in said receiver uses magnetic material in said coil loop.
39 . A wireless power receiver system for receiving power from at least one high-Q resonator, comprising:
a receiver part, including a receiving high-Q resonator formed of a conductive loop with a capacitor that brings said high-Q resonator to resonance at a first frequency, and which receives a magnetic field,
at least one additional resonator having no source of power connected to said additional resonator, tuned to repeat a magnetic field received by a transmitter; and
a power output, which outputs power received by said receiver part.
40 . A system as in claim 39 , wherein said receiving high-Q resonator uses stranded wire for said conductive loop formed of multiple strands which each carry current but are each insulated from one another.
41 . A system as in claim 39 , wherein said receiving high-Q resonator uses a magnetic material inside said conductive loop.
42 . A system as in claim 39 , wherein said first frequency is lower than 1 MHz.
43 . A wireless power transmitter system for transmitting power to at least one high-Q resonator, comprising:
a connection to a source of line power;
a modulating part, which converts said line power to create a first frequency of lower than 1 MHz; and
a transmitter part, including a transmitting high-Q resonator formed of a conductive loop wound around a magnetic material, with a capacitor that brings said high-Q resonator to resonance at said first frequency, and which produces a magnetic field based on said source of line power.
44 . A system as in claim 43 , wherein said transmitting high-Q resonator has a Q factor which is at least 300.
45 . A system as in claim 43 , wherein said transmitting high-Q resonator uses stranded wire for said conductive loop formed of multiple strands which each carry current but are each insulated from one another.
46 . A system as in claim 6 , wherein said stranded wire material is Litz wire.
47 . A system as in claim 1 , further comprising at least one resonator, tuned to repeat a magnetic field produced by said transmitter.
48 . A wireless power receiver system for receiving power from at least one high-Q resonator, comprising:
a receiver part, including a receiving high-Q resonator formed of a conductive loop wound around magnetic material, with a capacitor that brings said high-Q resonator to resonance at a first frequency, and which receives a magnetic field,
a power circuit which converts said magnetic field into electrical power, and which outputs power received by said receiver part.
49 . A system as in claim 48 , wherein said receiving high-Q resonator uses stranded wire for said conductive loop formed of multiple strands which each carry current but are each insulated from one another.
50 . A system as in claim 48 , wherein said first frequency is lower than 1 MHz.
51 . A system as in claim 48 , wherein said first frequency is lower than 500 kHz.
52 . A method of transmitting power to at least one high-Q resonator, comprising:
using electrical power to create a signal having a first frequency;
using a high-Q resonator which is resonant at said first frequency to transmit said signal; and
using an additional resonator that is activated by the transmitter to repeat said signal at said first frequency.
53 . A method as in claim 52 , wherein said high-Q resonator which is resonant at a first frequency includes an inductive loop, and a capacitor that brings the high-Q resonator to resonance at said first frequency.
54 . A method as in claim 53 , wherein said high-Q resonator is formed of stranded wire formed of multiple strands which each carry current but are each insulated from one another.
55 . A method as in claim 53 , wherein said inductive loop includes a magnetic material.
56 . A method as in claim 52 , wherein said additional resonator is formed of stranded wire.
57 . A method as in claim 52 , wherein said additional resonator includes a magnetic material.