Stripline fed hybrid slot antenna

Details Stripline fed hybrid slot antenna Stripline fed hybrid slot antenna

1981-04-22

1984-04-17

Lieberman, Eli

Communications: radio wave antennas

Antennas

Plural diverse-type antennas using same active element

343767, 343770, H01Q 1318

Patent

active

044438028

ABSTRACT:
A planar antenna is described which employs a pair of closely spaced parallel ground planes and a radiating element which is a composite aperture (hybrid slot) formed into the upper ground plane. One portion of the radiating element is a long narrow slot which may have the shape of a rectangle of high aspect ratio. The other portion is an annular slot which may be circular in shape. Electromagnetic energy is conveyed to and from the slots in the upper ground plane by means of a feed conductor parallel to and sandwiched between the two ground planes. The maximum of the resulting field pattern is in the plane of the antenna and the pattern may be either directional or omnidirectional in that plane. When used as a receiving antenna, this antenna responds to both the electric and magnetic fields.

REFERENCES:
patent: 3665480 (1972-05-01), Fassett
patent: 4130822 (1978-12-01), Conroy
patent: 4197545 (1980-04-01), Favaloro et al.
patent: 4242685 (1980-12-01), Sanford

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