Notch antenna with microstrip feed
First Claim
1. A broadband antenna comprising a strip conductor lying in a first plane, a ground plane separated from and lying parallel to said strip conductor, said ground plane having a slot therein, said slot extending transverse to said strip conductor, two substantially planar conductive elements positioned in a substantially common plane that transverses said slot and is substantially orthogonal to said first plane and said ground plane, each of said conductive elements having at least one curved surface extending upwardly and outwardly from said slot, one of said conductive elements contacting said ground plane on one side of said slot and the other of said conductive elements contacting said ground plane on the other side of said slot, wherein during use said strip conductor and said slot are capacitively coupled.
2 Assignments
0 Petitions
Accused Products
Abstract
The subject invention provides an improved conformal antenna array assembly having a strip conductor, a ground plane separated from and lying parallel to said strip conductor, said ground plane having a slot therein, said slot extending transverse to said strip conductor, a conductive planar element positioned across said slot and orthogonal to said ground plane, said conductive planar element having curved surfaces extending upwardly and outwardly from said slot. The strip conductor or microstrip and the slot-containing ground plane are separated by a dielectric material.
129 Citations
25 Claims
- 1. A broadband antenna comprising a strip conductor lying in a first plane, a ground plane separated from and lying parallel to said strip conductor, said ground plane having a slot therein, said slot extending transverse to said strip conductor, two substantially planar conductive elements positioned in a substantially common plane that transverses said slot and is substantially orthogonal to said first plane and said ground plane, each of said conductive elements having at least one curved surface extending upwardly and outwardly from said slot, one of said conductive elements contacting said ground plane on one side of said slot and the other of said conductive elements contacting said ground plane on the other side of said slot, wherein during use said strip conductor and said slot are capacitively coupled.
- 15. An antenna assembly comprising a dielectric material, a two-conductor transmission line, one line being a strip conductor formed on one side of said dielectric material and the other line formed as a ground plane on the other side of said dielectric material, said ground plane being provided with a slot therein, said slot extending transverse to said strip conductor, a notch antenna element positioned normal to said slot and orthogonal to said ground plane, said notch antenna element having at least two metallizations in electrical contact with said ground plane and extending from said slot according to a continuous function.
- 23. An antenna assembly comprising a dielectric material, a two-conductor transmission line, one line being a strip conductor formed on one side of said dielectric material and the other line formed as a ground plane on the other side of said dielectric material for propagation of a signal within a predetermined frequency range in a quasi-TEM mode via said strip conductor, said ground plane being provided with a slot therein, said slot extending transverse to said strip conductor and terminating approximately one-quarter wavelength beyond one side of said strip conductor, a dual ridge antenna device positioned normal to said slot and orthogonal to said ground plane, said dual ridge antenna device having metallizations in electrical contact with said ground plane, each ridge of said dual ridge antenna device extending outwardly from said slot according to a continuous function.
Specification