Claims
- 1. An antenna assembly for use in a wireless communications device having a ground plane and a signal port, the antenna assembly comprising:a matching network having a plurality of separate conductive sections, including a first conductive section defining a feed point connected to the signal port, and a second conductive section connected to the ground plane; an open-ended dual frequency conductive resonator element having a first region sized to effectively resonate over a first predetermined frequency band and a second region sized to effectively resonate over a second predetermined frequency band, said resonator element being disposed a predetermined distance away from the ground plane, and a plurality of conductive connection elements, including at least a first connection element connected between the matching network and the resonator element, and a second connection element connected between the resonator element and the ground plane.
- 2. An antenna according to claim 1, wherein the conductive matching network and resonator element are generally planar.
- 3. An antenna according to claim 1, wherein the conductive matching network includes a plurality of generally elongated finger portions.
- 4. An antenna according to claim 1, wherein the resonator element is disposed upon a surface of a dielectric substrate element.
- 5. An antenna according to claim 4, wherein the resonator element is a conductive plating disposed upon the surface of the dielectric substrate element.
- 6. An antenna according to claim 1, further comprising:a capacitive tuning element coupled between the resonator element and the ground plane.
- 7. An antenna according to claim 1, further comprising:a conductive skirt element coupled to the resonator element and extending toward the ground plane.
- 8. An antenna according to claim 1, wherein the first region is sized to effectively resonate over the 880-960 MHz frequency band and a second region is sized to effectively resonate over the 1710-1880 MHz frequency band.
- 9. An antenna according to claim 1, wherein the resonator element includes a conductive trace element having a pair of generally opposed ends and an interior region.
- 10. An antenna assembly for use in a wireless communications device, the antenna assembly comprising:a conductive ground plane defined upon a surface of a first dielectric board element; a matching network defined upon a surface of the first dielectric board element, said matching network having a plurality of separate conductive sections including a first conductive section defining a feed point connected to the signal port, and a second conductive section connecting to the ground plane; an open-ended dual frequency conductive resonator element defined upon a surface of a second dielectric board element, said resonator element having a first region sized to effectively resonate over a first predetermined frequency band and a second region sized to effectively resonate over a second predetermined frequency band, said resonator element being disposed a predetermined distance away from the ground plane, and a plurality of conductive connection elements, including at least a first conductive connection element connected between the matching network and the resonator element, and a second conductive connection element connected between the resonator element and the ground plane.
- 11. An antenna according to claim 10, wherein the conductive matching network includes a plurality of generally elongated finger portions.
- 12. An antenna according to claim 10, wherein the resonator element is a conductive plating disposed upon the surface of the first dielectric board element.
- 13. An antenna according to claim 10, further comprising:a capacitive tuning element coupled between the resonator element and the ground plane.
- 14. An antenna according to claim 10, further comprising:a conductive skirt element coupled to the resonator element and extending toward the ground plane.
- 15. An antenna according to claim 10, wherein the first region is sized to effectively resonate over the 880-960 MHz frequency band and a second region is sized to effectively resonate over the 1710-1880 MHz frequency band.
- 16. An antenna according to claim 10, wherein the resonator element includes a conductive trace element having a pair of generally opposed ends and an interior region.
- 17. An antenna assembly for use in a wireless communications device, the antenna assembly comprising:a dielectric board element having a plurality of electronic components disposed thereupon; a ground plane disposed upon the dielectric board element; a conductive matching network disposed upon a surface of the dielectric board element, said matching network having a plurality of separate conductive sections including a first conductive section defining a feed point connected to the signal port, a second conductive section connecting to the ground plane, and a conductive third section; an open-ended dual frequency conductive resonator element disposed upon a surface of a second dielectric board element, said resonator element having a first region sized to effectively resonate over a first predetermined frequency band and a second region sized to effectively resonate over a second predetermined frequency band, said resonator element being disposed a predetermined distance away from the ground plane, and a plurality of conductive connection elements, including at least a first conductive connection element connected between the matching network and the dual frequency conductive element, and a second conductive connection element connected between the dual frequency conductive element and the ground plane.
- 18. An antenna according to claim 17, wherein the conductive matching network includes a plurality of generally elongated finger portions.
- 19. An antenna according to claim 17, wherein the resonator element is a conductive plating disposed upon the surface of the second dielectric board element.
- 20. An antenna according to claim 17, further comprising:a capacitive tuning element coupled between the resonator element and the ground plane.
- 21. An antenna according to claim 17, further comprising:a conductive skirt element coupled to the resonator element and extending toward the ground plane.
- 22. An antenna according to claim 17, wherein the first region is sized to effectively resonate over the 880-960 MHz frequency band and a second region is sized to effectively resonate over the 1710-1880 MHz frequency band.
- 23. An antenna according to claim 17, wherein the resonator element includes a conductive trace element having a pair of generally opposed ends and an interior region.
RELATED APPLICATION
This application claims the benefit of priority pursuant to 35 USC §119(e)(1) from the provisional patent application filed pursuant to 35 USC §111(b): as Ser. No. 60/197,298 on Apr. 14, 2000.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
6239755 |
Klemens et al. |
May 2001 |
B1 |
6239765 |
Johnson et al. |
May 2001 |
B1 |
Provisional Applications (1)
|
Number |
Date |
Country |
|
60/197298 |
Apr 2000 |
US |