Poly spiral antenna
View Patent ↗A poly interwoven spiral antenna includes a plurality of interwoven spiral antenna units, an excitation region, and a plurality of spoke excitation connections. An interwoven spiral antenna unit includes a non-inverted spiral section having a spiral shape and an inverted spiral section having an inverted spiral shape. A first end of a spoke excitation connection is coupled to a corresponding one of the interwoven spiral antenna units and a second end of the spoke excitation connection is coupled to the excitation region.
1. A poly interwoven spiral antenna comprises:
a plurality of interwoven spiral antenna units, wherein an interwoven spiral antenna unit includes a non-inverted spiral section having a spiral shape and an inverted spiral section having an inverted spiral shape;
an excitation region; and
a plurality of spoke excitation connections, wherein a first end of a spoke excitation connection of the plurality of spoke excitation connections is coupled to a corresponding one of the plurality of interwoven spiral antenna units and a second end of the spoke excitation connection of the plurality of spoke excitation connections is coupled to the excitation region, and wherein the second ends of the spoke excitation connections are connected together at the excitation region.
2. The poly interwoven spiral antenna of claim 1 further comprises:
a substrate;
the plurality of interwoven spiral antennas units on one or more first layers of the substrate; and
the plurality of spoke excitation connections on one or more second layers of the substrate.
3. The poly interwoven spiral antenna of claim 1 , wherein the spoke excitation connection comprises a transmission line.
4. The poly interwoven spiral antenna of claim 1 further comprises:
the spoke excitation connection having a length approximately equal to m*one-half wavelength, where m is an integer greater than or equal to one.
5. The poly interwoven spiral antenna of claim 1 further comprises at least one of:
the non-inverting spiral section and the inverted spiral section collectively providing a Celtic spiral;
the non-inverting spiral section and the inverted spiral section collectively providing an Archimedes spiral; and
the non-inverting spiral section and the inverted spiral section collectively providing a Celtic logarithmic spiral.
6. The poly interwoven spiral antenna of claim 1 further comprises:
a plurality of interconnection arms, wherein an interconnection arm of the plurality of interconnection arms couples a first one of the plurality of interwoven spiral antenna units to a second one of the plurality of interwoven spiral antenna units, wherein the plurality of interwoven spiral antenna units are positioned an approximately equally distributed in a geometric shape.
7. A poly spiral non-interwoven antenna comprises:
a plurality of single spiral antenna sections;
a hub connection point; and
a plurality of interconnecting arms, wherein a first end of an interconnecting arm of the plurality of interconnecting arms is coupled to one of the plurality of single spiral antenna sections and a second end of the interconnecting arm is coupled to the hub connection point.
8. The poly spiral non-interwoven antenna of claim 7 further comprises:
an excitation point located approximately at the hub connection point.
9. The poly spiral non-interwoven antenna of claim 7 further comprises:
a plurality of excitation points, wherein an excitation point of the plurality of excitation points is approximately located at an inner end of a corresponding one of the plurality of single spiral antenna sections.
10. The poly spiral non-interwoven antenna of claim 7 further comprises:
the interconnecting arm having a length that is approximately equal to a length of the one of the plurality of single spiral antenna sections.
11. A poly interwoven spiral antenna comprises:
a plurality of interwoven spiral antenna units, wherein an interwoven spiral antenna unit includes a non-inverted spiral section having a spiral shape and an inverted spiral section having an inverted spiral shape;
a hub connection point;
a plurality of spoke connections, wherein a first end of a spoke connection of the plurality of spoke connections is coupled to a corresponding one of the plurality of interwoven spiral antenna units and a second end of the spoke connection of the plurality of spoke connections is coupled to the hub connection point, and wherein the second ends of the spoke connections are connected together at the hub connection point; and
a plurality of extension traces coupled to the plurality of interwoven spiral antenna units.
12. The poly interwoven spiral antenna of claim 11 further comprises:
an excitation point located approximately at the hub connection point.
13. The poly interwoven spiral antenna of claim 11 further comprises:
a plurality of excitation points, wherein an excitation point of the plurality of excitation points is approximately located at an end of a corresponding one of the plurality of extension traces.
14. The poly interwoven spiral antenna of claim 11 further comprises:
a plurality of excitation points, wherein an excitation point of the plurality of excitation points is approximately located at an approximate center of a corresponding one of the plurality of interwoven spiral antenna units.
15. The poly interwoven spiral antenna of claim 14 further comprises:
a first excitation point of the plurality of excitation points operable to receive a first phase shift of a signal;
a second excitation point of the plurality of excitation points operable to receive a second phase shift of the signal; and
a third excitation point of the plurality of excitation points operable to receive a third phase shift of the signal.
16. The poly interwoven spiral antenna of claim 11 further comprises at least one of:
the non-inverting spiral section and the inverted spiral section collectively providing a Celtic spiral;
the non-inverting spiral section and the inverted spiral section collectively providing an Archimedes spiral; and
the non-inverting spiral section and the inverted spiral section collectively providing a Celtic logarithmic spiral.
17. The poly interwoven spiral antenna of claim 11 further comprises:
a substrate;
the plurality of interwoven spiral antennas units on one or more first layers of the substrate; and
the poly of spoke excitation connections on one or more second layers of the substrate.
18. The poly spiral non-interwoven antenna of claim 7 further comprising:
a substrate;
the plurality of poly spiral non-interwoven antennas units on one or more first layers of the substrate; and
the poly of spoke excitation connections on one or more second layers of the substrate.
19. The poly spiral non-interwoven antenna of claim 7 further comprising at least one of a Celtic spiral, an Archimedes spiral, and a Celtic logarithmic spiral.
20. The poly spiral non-interwoven antenna of claim 7 , further comprising the plurality of interconnecting arms each having a length approximately equal to m*one-half wavelength, where m is an integer greater than or equal to one.