Fan-beam antenna

Details Fan-beam antenna Fan-beam antenna

2006-07-11

2006-07-11

Wong, Don (Department: 2821)

Communications: radio wave antennas

Antennas

Wave guide type

C343S91100R, C343S753000

Reexamination Certificate

active

07075496

ABSTRACT:
An object of the invention is to provide a fan-beam antenna which comprises a flare which is long in a horizontal direction thereof and whose cross section is horn-shaped, and a water-proof box housing components of said antenna, in which a vertical beam width is made narrow without spreading a vertical size to increase gain. Accordingly, this invention is characterized in that a radome radiation surface is constituted of a plurality of dielectric plates equivalently, and at least one of the dielectric plates is made a dielectric lens having a characteristic similar to a convex lens.

REFERENCES:
patent: 3935577 (1976-01-01), Hansen
patent: 5117240 (1992-05-01), Anderson et al.
patent: 5935190 (1999-08-01), Davis et al.
patent: 6281853 (2001-08-01), Caille et al.
patent: 6891513 (2005-05-01), Kienzle et al.
patent: 6950073 (2005-09-01), Clymer et al.

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