Ultra-wideband antennas

Communications: radio wave antennas – Antennas – Slot type

Reexamination Certificate

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Details

C343S795000, C343S846000

Reexamination Certificate

active

06911951

ABSTRACT:
An antipodal antenna has an active member arranged between two diverging ground elements. The active member and ground elements are shaped to provide a tapered slot. The ground elements may be planar or may be curved outwardly. In some embodiments the ground elements follow semi-parabolic conical sections. The active and ground elements may be separated by air.

REFERENCES:
patent: 4782346 (1988-11-01), Sharma
patent: 5036335 (1991-07-01), Jairam
patent: 5428364 (1995-06-01), Lee et al.
patent: 5949382 (1999-09-01), Quan
patent: 6043785 (2000-03-01), Marino
patent: H001877 (2000-10-01), Van Etten et al.
patent: 6191750 (2001-02-01), Bonebright

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