Claims
- 1. An antenna assembly for use in a wireless communication device having a ground plane and an input/output RF connector, said antenna assembly for transmitting and receiving about a predetermined wavelength, said antenna assembly comprising:
a driven element having a predetermined configuration, said driven element being disposed away from the ground plane and having a length of substantially less than one-quarter of the predetermined wavelength, said driven element coupled to the RF connector; and a parasitic element having a predetermined configuration, said parasitic element being disposed away from the ground plane and having a length of substantially less than one-quarter of the predetermined wavelength, with the parasitic element spaced from the driven element a predetermined distance, said parasitic element being coupled to the ground plane of the wireless communication device.
- 2. The antenna assembly of claim 1, wherein the driven element and parasitic element are substantially co-planar.
- 3. The antenna assembly of claim 1, wherein the driven element and parasitic element are spaced a predetermined distance away from the ground plane.
- 4. The antenna assembly of claim 3, wherein the driven element and parasitic element are substantially collateral with the ground plane.
- 5. The antenna assembly of claim 4, wherein the driven element and parasitic element are superposed over a predetermined region of the ground plane.
- 6. The antenna assembly of claim 1, further including a dielectric element in supporting relation to the driven element.
- 7. The antenna assembly of claim 1, further including a dielectric element in supporting relation to the parasitic element.
- 8. The antenna assembly of claim 1, further including a dielectric element in supporting relation to the driven element and parasitic element.
- 9. The antenna assembly of claim 8, wherein the dielectric element is spaced a predetermined distance away from the ground plane.
- 10. The antenna assembly of claim 1 wherein the driven element and parasitic element are first and second conductive traces, respectively.
- 11. The antenna assembly of claim 10, wherein the first trace includes a substantially linear conductor portion and wherein the second trace includes at least two substantially linear conductor portions.
- 12. The antenna assembly of claim 11, wherein the first trace and second trace are superposed over a predetermined region of the ground plane.
- 13. The antenna assembly of claim 1, wherein the driven element includes a body member and an arm member.
- 14. The antenna assembly of claim 13, wherein the parasitic element includes a first body member, a second body member and an arm member.
- 15. The antenna assembly of claim 14, wherein the arm members of the driven element and parasitic element extend towards the ground plane.
- 16. The antenna assembly of claim 15, wherein the driven element and parasitic element are selected from among the group including: solid wire elements, plated metal elements, metal foil elements, and sheet metal elements.
- 17. The antenna assembly of claim 14, wherein a portion of the body member of the driven element and the first and second body members of the parasitic element are co-planar.
- 18. The antenna assembly of claim 14, wherein the body member of the driven element and the first body member of the parasitic element are superposed over a predetermined region of the ground plane.
- 19. The antenna assembly of claim 17, further comprising a dielectric member having a conductor element.
- 20. The antenna assembly of claim 19, wherein the dielectric member is adjacent the driven element and the parasitic element.
- 21. The antenna assembly of claim 19, wherein the dielectric member is in contacting relation to the body member of the driven element and the first and second body members of the parasitic element.
- 22. A bandwidth enhanced antenna assembly for use in a wireless communication device having a ground plane and an input/output RF connector, said antenna assembly for transmitting and receiving about a predetermined wavelength, said antenna assembly comprising:
a driven element being disposed away from the ground plane and having a length of substantially less than one-quarter of the predetermined wavelength, said driven element coupled to the RF connector; and a parasitic element, said parasitic element being disposed away from the ground plane and having a length of substantially less than one-quarter of the predetermined wavelength, with the parasitic element spaced from the driven element a predetermined distance, said parasitic element being coupled to the ground plane of the wireless communication device, wherein said driven element in combination with the parasitic element provide an enhanced operational bandwidth.
- 23. The antenna assembly of claim 22, wherein the driven element and parasitic element are substantially co-planar.
- 24. The antenna assembly of claim 22, wherein the driven element and parasitic element are spaced a predetermined distance away from the ground plane.
- 25. The antenna assembly of claim 24, wherein the driven element and parasitic element are substantially collateral with the ground plane.
- 26. The antenna assembly of claim 25, wherein the driven element and parasitic element are superposed over a predetermined region of the ground plane.
- 27. The antenna assembly of claim 22, further including a dielectric element in supporting relation to the driven element and parasitic element.
- 28. The antenna assembly of claim 22 wherein the driven element and parasitic element are first and second conductive traces, respectively.
- 29. The antenna assembly of claim 28, wherein the first trace includes a substantially linear conductor portion and wherein the second trace includes at least two substantially linear conductor portions.
- 30. The antenna assembly of claim 22, wherein the driven element includes a body member and an arm member.
- 31. The antenna assembly of claim 30, wherein the parasitic element includes a first body member, a second body member and an arm member.
- 32. The antenna assembly of claim 31, wherein the arm members of the driven element and parasitic element extend towards the ground plane.
- 33. The antenna assembly of claim 32, wherein the driven element and parasitic element are selected from among the group including: solid wire elements, plated metal elements, metal foil elements, and sheet metal elements.
- 34. The antenna assembly of claim 32, wherein a portion of the body member of the driven element and the first and second body members of the parasitic element are co-planar.
- 35. The antenna assembly of claim 32, wherein the body member of the driven element and the first body member of the parasitic element are superposed over a predetermined region of the ground plane.
- 36. An aperture-coupled bandwidth enhanced antenna assembly for use in a wireless communication device having a ground plane and an input/output RF connector, said antenna assembly for transmitting and receiving about a predetermined wavelength, said antenna assembly comprising:
a driven element being disposed away from the ground plane and having a length of substantially less than one-quarter of the predetermined wavelength, said driven element coupled to the RF connector; a parasitic element, said parasitic element being disposed away from the ground plane and having a length of substantially less than one-quarter of the predetermined wavelength, with the parasitic element spaced from the driven element a predetermined distance, said parasitic element being coupled to the ground plane of the wireless communication device; and an auxiliary antenna element including a dielectric substrate element disposed relative a portion of both the driven element and the parasitic element and a conductive element disposed upon the dielectric substrate at an upper surface, wherein said driven element in combination with the auxiliary antenna element provide an enhanced operational bandwidth.
- 37. The antenna assembly of claim 36, wherein the driven element and parasitic element are substantially co-planar.
- 38. The antenna assembly of claim 36, wherein the driven element and parasitic element are spaced a predetermined distance away from the ground plane.
- 39. The antenna assembly of claim 38, wherein the driven element and parasitic element are substantially collateral with the ground plane.
- 40. The antenna assembly of claim 39, wherein the driven element and parasitic element are superposed over a predetermined region of the ground plane.
- 41. The antenna assembly of claim 36, further including a dielectric element in supporting relation to the driven element and parasitic element.
- 42. The antenna assembly of claim 36 wherein the driven element and parasitic element are first and second conductive traces, respectively.
- 43. The antenna assembly of claim 42, wherein the first trace includes a substantially linear conductor portion and wherein the second trace includes at least two substantially linear conductor portions.
- 44. The antenna assembly of claim 36, wherein the driven element includes a body member and an arm member.
- 45. The antenna assembly of claim 44, wherein the parasitic element includes a first body member, a second body member and an arm member.
- 46. The antenna assembly of claim 45, wherein the arm members of the driven element and parasitic element extend towards the ground plane.
- 47. The antenna assembly of claim 45, wherein the driven element and parasitic element are selected from among the group including: solid wire elements, plated metal elements, metal foil elements, and sheet metal elements.
- 48. The antenna assembly of claim 45, wherein a portion of the body member of the driven element and the first and second body members of the parasitic element are co-planar.
- 49. The antenna assembly of claim 45, wherein the body member of the driven element and the first body member of the parasitic element are superposed over a predetermined region of the ground plane.
- 50. The antenna assembly of claim 37, wherein the dielectric substrate element is substantially planar.
- 51. The antenna assembly of claim 37, wherein the driven element and the parasitic element are each in contacting relationship with the dielectric substrate element.
- 52. A multiple bandwidth antenna assembly for use in a wireless communication device having a ground plane and an input/output RF connector, said antenna assembly for transmitting and receiving about a plurality of predetermined wavelengths, said antenna assembly comprising:
a plurality of driven elements each being disposed away from the ground plane by a predetermined different distance and each having a length of substantially less than one-quarter of one of the plurality of predetermined wavelengths, each of said plurality of driven elements coupled to the RF connector; and a plurality of parasitic elements each being disposed away from the ground plane by a predetermined different distance and each having a length of substantially less than one-quarter of one of the plurality of predetermined wavelengths, each of said plurality of parasitic elements spaced from an associated one of the plurality of driven elements, each of said plurality of parasitic elements being coupled to the ground plane of the wireless communication device
- 53. The antenna assembly of claim 52, wherein associated pairs of driven elements and parasitic elements are substantially co-planar.
- 54. The antenna assembly of claim 52, further including a plurality of dielectric elements in supporting relation to associated pairs of driven elements and parasitic elements.
- 55. The antenna assembly of claim 52 wherein the plurality of driven elements and parasitic elements are selected from among the group including conductive traces, conductive wires, plated metal elements, foil metal elements, and sheet metal elements.
Parent Case Info
[0001] This application claims the benefit of U.S. Provisional Application No. 60/170,600 filed Dec. 14, 1999.
Provisional Applications (1)
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Number |
Date |
Country |
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60170600 |
Dec 1999 |
US |