Simultaneous multifrequency receive circuits

Patent metadata

Field	Value
Publication number	US-9859707-B2
Application number	US-201514848599-A
Country	US
Kind code	B2
Filing date	Sep 9, 2015
Priority date	Sep 11, 2014
Publication date	Jan 2, 2018
Grant date	Jan 2, 2018

Abstract

Disclosed are various receive circuits by which to receive a plurality of guided surface waves transmitted by a plurality of guided surface waveguide probes over a surface of a terrestrial medium according to various embodiments.

First claim

Therefore, the following is claimed:

1. An apparatus comprising:
a plurality of guided surface waveguide receive structures, each of the plurality of guided surface waveguide receive structures being configured to receive energy in a form of at least one guided surface wave transmitted by at least one guided surface waveguide probe on a surface of a terrestrial medium;
a plurality of impedance matching networks, each of the plurality of impedance matching networks being coupled to a corresponding one of the plurality of guided surface waveguide receive structures;
a plurality of wave rectifiers, each of the plurality of wave rectifiers being coupled to a corresponding one of the plurality of impedance matching networks; and
at least one voltage regulator coupled to a corresponding one of the plurality of wave rectifiers.

2. The apparatus of claim 1 , wherein a plurality of outputs of the at least one voltage regulator are coupled in parallel.

3. The apparatus of claim 1 , wherein a plurality of outputs of the at least one voltage regulator are coupled in series.

4. The apparatus of claim 1 , wherein the at least one guided surface waveguide probe comprises a charge terminal elevated over the terrestrial medium configured to generate at least one resultant field that synthesizes a wave front incident at a complex Brewster angle of incidence (θ i,B ) of the terrestrial medium.

5. The apparatus of claim 4 , wherein the charge terminal is one of a plurality of charge terminals.

6. The apparatus of claim 4 , wherein each of the plurality of guided surface waveguide receive structures receives the energy in the form of the at least one guided surface wave at a frequency of transmission that is unique with respect to all other frequencies of transmission.

7. The apparatus of claim 1 , wherein each of the at least one guided surface waveguide probe comprises a feed network electrically coupled to a charge terminal, the feed network providing a phase delay (Φ) that matches a wave tilt angle (Ψ) associated with a complex Brewster angle of incidence (θ i,B ) associated with the terrestrial medium in the vicinity of the guided surface waveguide probe.

8. An apparatus comprising:
a tuned resonator comprising a coil and configured to receive power in a form of at least one guided surface wave transmitted by at least one guided surface waveguide probe on a surface of a terrestrial medium;
a plurality of other coils, each of the plurality of other cons being coupled to the coil;
a plurality of isolation circuits, each of the plurality of isolation circuits being coupled via at least one direct tap to the coil;
a plurality of impedance matching networks, each of the plurality of impedance matching networks being coupled to a corresponding one of the other coils;
a plurality of wave rectifiers, each of the plurality of wave rectifiers being coupled to a corresponding one of the impedance matching networks; and
at least one voltage regulator coupled to a corresponding one of the wave rectifiers.

9. The apparatus of claim 8 , wherein a plurality of outputs of the at least one voltage regulator are coupled in parallel.

10. The apparatus of claim 8 , wherein a plurality of outputs of the at least one voltage regulator are coupled in series.

11. The apparatus of claim 8 , wherein each of the plurality of the isolation circuits comprises at least one low-pass filter and at least one high-pass filter.

12. The apparatus of claim 8 , wherein each of the plurality of the isolation circuits comprises at least one band-pass filter.

13. The apparatus of claim 8 , wherein each of the plurality of the isolation circuits comprises a trap dipole.

14. An apparatus comprising:
a plurality of magnetic coils, each of the plurality of magnetic coils being configured to receive energy in a form of at least one guided surface wave transmitted by at least one guided surface waveguide probe over a terrestrial medium;
a plurality of impedance matching networks, each of the plurality of impedance matching networks being coupled to a corresponding one of the plurality of magnetic coils; and
a plurality of wave rectifiers, each of the plurality of wave rectifiers being coupled to a corresponding one of the impedance matching networks.

15. The apparatus of claim 14 , further comprising at least one voltage regulator coupled to at least one wave rectifier among the plurality of wave rectifiers.

16. The apparatus of claim 15 , wherein a plurality of outputs of the at least one voltage regulator are coupled in parallel.

17. The apparatus of claim 16 , wherein the at least one voltage regulator is coupled to a corresponding one of the plurality of wave rectifiers.

18. The apparatus of claim 15 , wherein a plurality of outputs of the at least one voltage regulator are coupled in series.

19. The apparatus of claim 15 , wherein the at least one voltage regulator is coupled to each of the plurality of wave rectifiers.

20. A system for receiving energy in the form of at least one guided surface wave transmitted by at least one guided surface waveguide probe on a surface of a terrestrial medium to a load, comprising:
a first guided surface waveguide probe positioned at a first location, the first guided surface waveguide probe generating transmission of a first guided surface wave at a predetermined frequency in a first area;
a second guided surface waveguide probe positioned at a second location, the second guided surface waveguide probe generating transmission of a second guided surface wave at another predetermined frequency in a second area;
at least one receive circuit positioned at a point within the first area and the second area; and
at least one field meter configured to detect a field strength associated with the at least one guided surface wave, the at least one field meter being in communication with a provider.

Assignees

• Cpg Technologies Llc

Inventors

• Corum James F
• Corum Kenneth L
• Pinzone Joseph F
• Lilly James D

Classifications

• H02J50/80

  involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices · CPC title

• H01Q1/00

  Details of, or arrangements associated with, antennas (arrangements for varying orientation of directional pattern H01Q3/00) · CPC title

• H04B3/52

  Systems for transmission between fixed stations via waveguides · CPC title

• H04B3/00

  Line transmission systems (combined with near-field transmission systems H04B5/00) · CPC title

• H02J50/10

  using inductive coupling · CPC title