Strengthened quad antenna structure
OwnerJames S. Podgerinventor
Life of this patent
Estimating the term…
Abstract
An antenna structure is disclosed that is a loop of conductors, approximately one wavelength in perimeter, plus a supporting conductor connected from one side of the loop to the opposite side. This antenna structure is connected to the associated electronic equipment, in a balanced manner with respect to the supporting conductor, effectively at either connection between the loop and the supporting conductor. Because of the balanced connection, the supporting conductor carries very little current and has very little influence on the electrical operation of the loop. Such a structure could be made stronger than the traditional one-wavelength loops supported by insulators, because metals are usually stronger than insulating materials.
Claims48
An improved antenna element, wherein said improved antenna element comprises:
- (a) a loop of conductors, approximately disposed in one plane, which has a perimeter of approximately one wavelength;
- and
- (b) means for connecting said antenna element to the associated electronic equipment such that one current maximum is present on said loop approximately at the point of connection to said associated electronic equipment, a second current maximum is present approximately at the point on said loop that is opposite from said point of connection, and single current minima are present on said loop between said current maxima;
- (c) and wherein the improvement comprises the addition of a supporting conductor, attached from said point of connection on said loop to said point on said loop that is opposite from said point of connection.
An improved antenna system, comprising at least one antenna, each of those antennas comprising two antenna elements, wherein:
- (a) each of said antenna elements comprises a loop of conductors, approximately disposed in one plane, which has a perimeter of approximately one wavelength;
- (b) in each of said antennas, the planes of said antenna elements are disposed approximately perpendicular to each other;
- (c) in each of said antennas, the intersection of said planes approximately passes through opposite points on said loops of conductors of both of said antenna elements;
- (d) in each of said antennas, the corresponding points of said loops of conductors that are approximately at said intersection of said planes are attached to each other;
- (e) in each of said antenna elements, the means of connecting to the associated electronic equipment is such that current maxima on said loops of conductors are present approximately where said loops of conductors are attached to each other, and single current minima on said loops of conductors are present between said current maxima;
- (f) in each of said antennas, said means of connecting to said associated electronic equipment also is such that the corresponding currents in said two antenna elements are consistently related in amplitude by approximately equal ratios of values and are consistently unequal in phase by approximately equal amounts;
- and
- (g) said antennas are aligned so that the line of intersection of said two planes of each of said antennas is approximately the line of intersection of said two planes of the other antennas;
- (h) and wherein the improvement to said improved antenna system consists of the addition, to each of said antennas, of a supporting conductor attached between the points where said loops of conductors are attached to each other.
An improved antenna system, comprising at least one antenna, each of those antennas comprising at least one antenna element, wherein:
- (a) in each of said antenna elements, a loop of conductors is present, approximately disposed in one plane, which has a perimeter of approximately one wavelength;
- (b) in each of said antenna elements, the improvement is the addition of a supporting conductor, attached from a first point on said loop of conductors to a second point on said loop of conductors that is approximately on the opposite side of said loop of conductors from said first point;
- and
- (c) in each of said antennas, means for connection to the associated electronic equipment are provided to at least one of said antenna elements such that, on said loops of said connected antenna elements, current maxima are present approximately at said points attached to the supporting conductors, and single current minima are present on said loops of said connected antenna elements between said current maxima.
Dependencies are inferred from the claim text.