Claims
- 1. An antenna device having Ultra Wide Bandwidth (UWB) characteristics, comprising:
a first balance element coupled to a terminal at one end; a second balance element coupled to another terminal at one end, the second balance element having a shape mirroring a shape of the first balance element to provide a symmetry plane between the first balance element and the second balance element, wherein each of the balance elements is made of a generally conductive material; and a ground element situated between the first balance element and the second balance element with an axis of symmetry on the symmetry plane.
- 2. The device of claim 1, wherein the ground element has a triangular shape with a base that is oriented towards the terminal of the first balance element and the terminal of the second balance element.
- 3. The device of claim 1, wherein the shape of the first balance element and the shape of the second balance element are tapered outward from the terminals.
- 4. The device of claim 1, wherein the first balance element, the second balance element, and the ground element are physically configured to maintain a smooth impedance transition.
- 5. The device of claim 1, wherein each of the balance elements form gaps with the ground element, the gaps tapering outwardly from the terminals.
- 6. The device of claim 1, wherein each of the shapes of the balance elements has a rounded shape at an end opposite from the one end.
- 7. The device of claim 1, wherein each of the balance elements is a resistive conductive material.
- 8. An Ultra Wide Bandwidth (UWB) antenna system comprising:
a plurality of antennas, each of the antennas comprising,
a first balance element coupled to a terminal at one end, a second balance element coupled to another terminal at one end, the second balance element having a shape mirroring a shape of the first balance element, wherein each of the balance elements is made of a generally conductive material, and a ground element situated between the first balance element and the second balance element; and a timed splitter/combiner circuit coupled to the plurality of antennas and configured to steer a beam associated with the plurality of antennas.
- 9. The system of claim 8, further comprising:
a plurality of dielectric layers, wherein the plurality of antennas are formed thereon.
- 10. The system of claim 8, wherein the ground element has a triangular shape with a base that is oriented towards the terminal of the first balance element and the terminal of the second balance element.
- 11. The system of claim 8, wherein the shape of the first balance element and the shape of the second balance element of each of the plurality of antennas are tapered outward from the terminals.
- 12. The system of claim 8, wherein the first balance element, the second balance element, and the ground element of each of the plurality of antennas are physically configured to maintain a smooth impedance transition.
- 13. The system of claim 8, wherein each of the balance elements form gaps with the ground element of each of the plurality of antennas, ,the gaps tapering outwardly from the terminals.
- 14. The system of claim 8, wherein each of the shapes of the balance elements of each of the plurality of antennas has a rounded shape at an end opposite from the one end.
- 15. The system of claim 8, wherein each of the balance elements is a resistive conductive material.
- 16. An Ultra Wide Bandwidth (UWB) antenna array for beam steering, comprising:
a plurality of array elements arranged in ID (dimension), each of the plurality of array elements comprising,
a first balance element coupled to a terminal at one end, a second balance element coupled to another terminal at one end, the second balance element having a shape mirroring a shape of the first balance element to provide a symmetry plane between the first balance element and the second balance element, wherein each of the balance elements is made of a generally conductive material, and a ground element situated between the first balance element and the second balance element with an axis of symmetry on the symmetry plane; and a timed splitter/combiner circuit coupled to the plurality of array elements and configured to control the plurality of array elements.
- 17. The system of claim 16, further comprising:
a plurality of dielectric layers, wherein the plurality of array elements are formed thereon.
- 18. The system of claim 16, wherein the ground element has a triangular shape with a base that is oriented towards the terminal of the first balance element and the terminal of the second balance element.
- 19. The system of claim 16, wherein the shape of the first balance element and the shape of the second balance element of each of the plurality of array elements are tapered outward from the terminals.
- 20. The system of claim 16, wherein each of the array elements is connected to the timed splitter/combiner circuit via a coaxial cable that has a ferrite core to provide decoupling.
CROSS-REFERENCES TO RELATED APPLICATION
[0001] This application is related to, and claims the benefit of the earlier filing date of, U.S. patent application Ser. No. 09/563,292 filed May 3, 2000, which claims the benefit of the earlier filing date of Provisional Patent Application Serial No. 60/132,176, filed May 3, 1999, the entirety of which is incorporated herein by reference.
Provisional Applications (1)
|
Number |
Date |
Country |
|
60132176 |
May 1999 |
US |
Continuations (1)
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Number |
Date |
Country |
Parent |
09563292 |
May 2000 |
US |
Child |
10014668 |
Dec 2001 |
US |