Flared notch slot antenna

Details Flared notch slot antenna Flared notch slot antenna

1995-03-14

1996-10-22

Wimer, Michael C.

Communications: radio wave antennas

Antennas

Slot type

343770, 343789, H01Q 1318

Patent

active

055681590

ABSTRACT:
An antenna (10) is provided by a metal layer (12) deposited on a dielectric substrate (16) which is etched to form a pair of symmetrical slot sections (20,22) having facing edges which increasingly curve away from each other to a maximum spacing point which is the antenna aperture (26). A linking slot (32) interconnects the slot sections (20,22) at a feed point (30) spaced from the aperture (26). High frequency electrical voltage applied at the feed point (30) achieves launch of an electromagnetic wave from the aperture (26). An alternative feed network uses a 180.degree. hybrid (60) providing simultaneous horizontal and vertical polarization operation.

REFERENCES:
patent: 4006481 (1977-02-01), Young et al.
patent: 4843403 (1989-06-01), Lalezari et al.
patent: 4978965 (1990-12-01), Mohuchy
patent: 5229777 (1993-07-01), Doyle

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