Helical antenna system
AssigneeSkywire Broadband, Inc.
InventorsEdward G. Price, Richard F. Gordon
Life of this patent
Estimating the term…
Abstract
The invention provides a helical antenna to broadcast a signal from an input line. The antenna includes a base plate and a dielectric rod mounted on the base plate. A conductive helix, surrounds the dielectric rod, and the rod has a pitch angle of at least 12 degrees. A matching network is connected to the conductive helix, to match an impedance of the conductive helix with an impedance of the signal.
Claims21
A helical antenna to broadcast a signal from an input line, comprising:
- a) a base plate;
- b) a dielectric rod, mounted on the base plate;
- c) a conductive helix, surrounding the dielectric rod, having a pitch angle of at least 12 degrees;
- and
- d) a matching network, connected to the conductive helix, to match an impedance of the conductive helix with an impedance of the input signal.
A helical antenna to broadcast a signal from an input line, comprising:
- a) a conductive base plate;
- b) a dielectric rod, mounted on the base plate;
- c) a conductive helix, mounted around the dielectric rod, having a pitch angle of at least 12 degrees;
- and
- d) a tapered strip line matching network, connected to the conductive helix to match the impedance of the conductive helix with the impedance of the input line.
A directional antenna as in claim 13, wherein the acetal resin dielectric rod is Delrin.
A directional antenna to broadcast a signal from an input line, comprising:
- a) a conductive base plate;
- b) an dielectric rod, mounted on the base plate;
- c) a conductive helix, mounted on the dielectric rod, having a pitch angle of at least 12 degrees;
- and
- d) a strip line matching network, attached to the conductive helix, which tapers from the connection point on a coaxial cable to a connection point with the conductive helix, wherein the matching network is configured to match the impedance of the conductive helix with the impedance of the input line.
Dependencies are inferred from the claim text.