Claims
- 1. An antenna assembly for use in a wireless communication device, the antenna assembly comprising:a ground plane element; a driven element having a first conductive surface with a feed point, said first conductive surface being disposed a predetermined distance away from the ground plane element, said driven element having a first downwardly depending leg element being conductively coupled to the ground plane element and a second downwardly depending leg element being capacitively coupled to the ground plane element; a parasitic element having a first conductive surface, said first conductive surface being disposed a predetermined distance away from the ground plane element, said parasitic element having a first downwardly depending leg element being conductively coupled to the ground plane element and a second downwardly depending leg element being capacitively coupled to the ground plane element; and a feed conductor coupled to the first conductive surface of the driven element at the feed point and to an rf signal conductor of the wireless communication device.
- 2. The antenna assembly of claim 1, wherein the conductive surface of the driven element includes a plurality of differently shaped sections.
- 3. The antenna assembly of claim 1, wherein the conductive surface of the driven element includes an extension conductor surface for resonating at a second higher frequency range.
- 4. The antenna assembly of claim 3, wherein the driven element and the extension conductor surface define a pair of downwardly directed conductive surfaces which are operatively coupled together, and wherein the feedpoint is defined between the pair of downwardly directed conductive surfaces.
- 5. The antenna assembly of claim 4, wherein the feedpoint is defined approximately midpoint between the driven element and the extension conductor surface.
- 6. The antenna assembly of claim 1, further comprising a second parasitic element having a conductive portion.
- 7. The antenna assembly of claim 6, wherein the second parasitic element includes a leg element, with the second parasitic element operatively connected to the ground plane by the leg element.
- 8. The antenna assembly of claim 6, wherein the second parasitic element includes a leg element, with the second parasitic element capacitively coupled to the ground plane by the leg element.
- 9. The antenna assembly of claim 7, wherein conductive portions of the first and second parasitic elements are skewed relative to their longitudinal axes.
- 10. The antenna assembly of claim 8, wherein the angle formed by the longitudinal axes of the first and second parasitic elements is approximately in the range of 5 to 25 degrees.
- 11. The antenna assembly of claim 1, wherein the first leg element of the driven element and the first leg element of the parasitic element each include a foot for operatively connecting the driven and parasitic elements to the ground plane.
- 12. The antenna assembly of claim 1, wherein the second leg element of the driven element and the second leg element of the parasitic element each include a foot and a dielectric member interposed between the foot and the ground plane for capacitively coupling the driven and parasitic elements to the ground plane.
- 13. The antenna assembly of claim 1, further comprising a coupling element joining the first leg element of the driven element and the first leg element of the parasitic element together, the coupling element having a foot for operatively connecting the driven and parasitic elements to the ground plane.
- 14. The antenna assembly of claim 1, wherein the driven element and the parasitic element are formed as a unitary structure.
- 15. The antenna assembly of claim 7, further comprising a coupling element joining the first leg element of the driven element, the first leg element of the parasitic element and the leg member of the second parasitic element together, the coupling element having a foot for operatively connecting the driven and parasitic elements to the ground plane.
- 16. The antenna assembly of claim 15, wherein the driven element, the coupling element and the parasitic elements are formed as a unitary structure.
- 17. The antenna assembly of claim 1, wherein the driven element defines an interior region.
- 18. The antenna assembly of claim 17, wherein the driven element is generally c-shaped.
- 19. The antenna assembly of claim 1, wherein the parasitic element defines an interior region.
- 20. The antenna assembly of claim 19, wherein the parasitic element is generally c-shaped.
- 21. The antenna assembly of claim 20, wherein the first conductive surface of the driven element and the first conductive surface of the parasitic element are substantially coextensive.
- 22. The antenna assembly of claim 21, wherein the first conductive surfaces of the driven and parasitic elements are substantially planar.
- 23. The antenna assembly of claim 1, further comprising a dielectric material interposed between the first conductive surface of the driven element, the first conductive surface of the parasitic element, and the ground plane.
- 24. The antenna assembly of claim 23, further comprising a tuner element operatively connected to the driven element.
- 25. The antenna assembly of claim 23, wherein the driven element and the parasitic element are substantially disposed upon the dielectric material.
- 26. A method of manufacturing an antenna assembly for use in a telecommunication device having a ground plane and a RF signal conductor, the method including the steps of:forming a driven element out of a substantially planar conductive material, said driven element including a first conductive surface and a first leg element and a second leg element, each of said first and second leg elements being at an angle relative to the first conductive surface; coupling the driven element relative to the ground plane of a printed wiring board so that the first conductive surface is disposed a predetermined distance away from the ground plane and the first leg element is conductively coupled to the ground plane and the second leg element is capacitively coupled to the ground plane; forming a parasitic element out of the conductive material, said parasitic element including a first conductive surface and a first leg element and a second leg element, each of said first and second leg elements being at an angle relative to the first conductive surface; coupling the parasitic element relative to the ground plane of the printed wiring board so that the first conductive surface is disposed a predetermined distance away from the ground plane and the first leg element is conductively coupled to the ground plane and the second leg element is capacitively coupled to the ground plane; and coupling the signal conductor of the telecommunication device at a feed point defined upon the first conductive surface of the driven element.
- 27. The method of claim 26, wherein the step of forming the driven element comprises the steps of:stamping the driven element from a sheet of conductive material, and bending ends of the stamped piece to form the first and second leg elements.
- 28. The method of claim 26, wherein the step of forming the parasitic element comprises the steps of:stamping the driven element from a sheet of conductive material, and bending ends of the stamped piece to form the first and second leg elements.
- 29. The method of claim 27, wherein the step of bending the ends of the stamped piece further includes the step of forming a foot at the end of the first and second leg elements.
- 30. The method of claim 28, wherein the step of bending the ends of the stamped piece further includes the step of forming a foot at the end of the first and second leg elements.
Parent Case Info
This application claims the benefit of priority pursuant to 35 U.S.C. §119 of copending PCT application Ser. No. PCT/US00/30428 filed Nov. 4, 2000.
PCT application Ser. No. PCT/US00/30428 filed Nov. 4, 2000, claimed the benefit of U.S. Provisional Application No. 60/163,515 filed Nov. 4, 1999.
This application is a continuation-in-part application pursuant to 37 C.F.R. 1.53(b) of application Ser. No. 09/374,782, filed Aug. 16, 1999, now U.S. Pat. No. 6,215,447, which was a continuation-in-part of application Ser. No. 09/008,618 filed on Jan. 16, 1998, now U.S. Pat. No. 5,945,954.
US Referenced Citations (8)
Provisional Applications (1)
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Date |
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60/163515 |
Nov 1999 |
US |
Continuation in Parts (2)
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Number |
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09/374782 |
Aug 1999 |
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Child |
09/828532 |
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Parent |
09/008618 |
Jan 1998 |
US |
Child |
09/374782 |
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US |