Singly fed circularly polarized microstrip antenna

Details Singly fed circularly polarized microstrip antenna Singly fed circularly polarized microstrip antenna

1984-02-28

1986-01-14

Lieberman, Eli

Communications: radio wave antennas

Antennas

Microstrip

H01Q 138

Patent

active

045648425

ABSTRACT:
A singly fed circularly polarized microstrip antenna has a dielectric substrate having a ground layer coated on one side thereof and a metallic patch radiator coated on the other side thereof. The radiator takes any arbitrary configuration and excites circularly polarized waves at two frequencies. The feed point is located on the loci, determined by the exciting frequency and the circularly polarized wave rotation direction.

REFERENCES:
patent: 3984834 (1976-05-01), Kaloi
patent: 4012741 (1977-03-01), Johnson
Haneishi et al., "A Design Method of Circularly Polarized Rectangular Microstrip Antenna by One-Point Feed," Electronics & Communications in Japan, vol. 64-B (1981) Apr., No. 4, pp. 46-54.
Richards et al., "An Improved Theory for Microstrip Antennas and Applications," IEEE Trans., vol. AP-29, Jan. 1981, pp. 38-46.
Kerr, "Microstrip Polarization Techniques", 1978 Symposium on Antenna Applications, University of Illinois, 20-22 Sep., pp. 1-17.
Long et al, "An Experimental Study of the Circular-Polarized Elliptical Printed Circuit Art.", IEEE Trans., vol. AP-29, No. 1, Jan. 1981, pp. 95-98.

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