Communications: radio wave antennas – Antennas – Slot type
Reexamination Certificate
2005-06-28
2005-06-28
Phan, Tho (Department: 2821)
Communications: radio wave antennas
Antennas
Slot type
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
Dotto Kim V.
Yedlin Mordechay
Oyen Wiggs Green & Mutala LLP
Phan Tho
The University of British Columbia
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