High performance antenna

• US 7,233,298 B2
• Filed: 10/30/2003
• Issued: 06/19/2007
• Est. Priority Date: 10/30/2003
• Status: Expired due to Fees

• Current Assignee: Wavetest Systems Incorporated
• Original Assignee: Wavetest Systems Incorporated
• Inventors: Nagel, Jeffrey, Nagel, Jon L.
• Primary Examiner(s): PHAN, THO GIA
• Application Number:
  US10/697,338
• Publication Number:
  US 20050093765A1
• Time in Patent Office: 1,328 Days
• Field of Search: 343/718, 343/722, 343/793, 343/795, 343/802, 343/803, 343/806, 343/878, 343/895, 343/713, 343/702, 343/700
• US Class Current: 343/895
• CPC Class Codes: H01Q 1/36 Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewithH01Q1/08, H01Q1/14 take precedence
• CPC Class Codes: H01Q 21/24 Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction circularly polarised patch antennas H01Q9/0428; circularly polarised horns H01Q13/0241; cross-polarised horns H01Q13/0258; polarisation converters H01Q15/242; cross-polarised rear feeds H01Q19/136; crossed polarisation dual antenna H01Q25/001
• CPC Class Codes: H01Q 9/36 with top loading

Abstract

An antenna including a planar conductor, in which the planar conductor is self-supporting and the radiating pattern of the antenna is substantially isotropic.

Claims

1. An antenna comprising a planar conductor,

wherein said planar conductor is self-supporting;

wherein the radiating pattern of the antenna is substantially isotropic;

wherein the antenna further comprises a planar meander;

wherein said antenna further comprising dielectric material attached to said planar conductor; and

wherein said dielectric material comprises a conductive polymer.

2. The antenna of claim 1, wherein said dielectric material shorts out a portion of said planar meander.

3. The antenna of claim 1, wherein said dielectric material forms a tuning device for the antenna.

4. The antenna of claim 1, wherein said dielectric material forms a device for matching impedance of the antenna to a device other than the antenna.

5. An antenna comprising a planar conductor,

wherein said planar conductor is self-supporting;

wherein the radiating pattern of the antenna is substantially isotropic; and

wherein the antenna further comprises integral electrostatic discharge protection.

6. The antenna of claim 5, wherein the antenna is vertically polarized.

7. An antenna comprising a planar conductor,

wherein said planar conductor is self-supporting;

wherein the radiating pattern of the antenna is substantially isotropic;

wherein said antenna further comprises a secondary planar conductor attached to said planar conductor;

wherein said planar conductor comprises a planar meander; and

wherein said secondary planar conductor comprises a planar obround structure.

8. The antenna of claim 7, wherein said planar conductor comprises a planar meander;

and

wherein said secondary planar conductor comprises a planar round structure.

9. An antenna comprising a planar conductor,

wherein said planar conductor is self-supporting;

wherein the radiating pattern of the antenna is substantially isotropic; and

wherein the antenna comprises a mounting capable of being hand soldered into a personal computer board.

10. An antenna comprising a planar conductor,

wherein said planar conductor is self-supporting;

wherein the radiating pattern of the antenna is substantially isotropic; and

wherein the antenna comprises a mounting capable of being screwed into a personal computer board.

11. An antenna comprising a planar conductor,

wherein said planar conductor is self-supporting;

wherein the radiating pattern of the antenna is substantially isotropic;

wherein the antenna is no more than eight tenths of an inch (0.8″

) in height; and

wherein the radio frequency performance of the antenna at 2.440 gigahertz (GHz) is within three decibels (3 db) of the radio frequency performance of a standard quarter wave isotropic antenna.

12. The antenna of claim 11, wherein the radio frequency performance of the antenna at 2.440 gigahertz (GHz) is within two decibels (2 db) of the radio frequency performance of a standard quarter wave isotropic antenna.

13. The antenna of claim 11, wherein the radio frequency performance of the antenna at 2.440 gigahertz (GHz) is within one decibel (1 db) of the radio frequency performance of a standard quarter wave isotropic antenna.

14. The antenna of claim 11, wherein the antenna is no more than one half of an inch (½

″

) in height.

15. The antenna of claim 11, wherein the antenna comprises substantially no dielectric material.

16. The antenna of claim 11, wherein the antenna comprises no more than one percent (1%) dielectric material by weight.

17. The antenna of claim 11, wherein said planar conductor comprises at least one metal.

18. The antenna of claim 11, wherein the antenna comprises at least ninety-nine percent (99%) metal by weight.

19. The antenna of claim 11, wherein the antenna comprises at least ninety-five percent (95%) metal by weight.

20. The antenna of claim 11, wherein the antenna further comprises a planar meander.

21. The antenna of claim 20, further comprising dielectric material attached to said planar conductor.

22. The antenna of claim 11, further comprising a secondary planar conductor attached to said planar conductor.

23. The antenna of claim 11, wherein the antenna is mounted on a mobile device.

24. The antenna of claim 11, wherein said planar conductor is malleable.

25. The antenna of claim 11, wherein said planar conductor forms a partially open cylindrical shape.