Communications: radio wave antennas – Antennas – Antenna components
Reexamination Certificate
2006-04-25
2006-04-25
Dinh, Trin Vo (Department: 2821)
Communications: radio wave antennas
Antennas
Antenna components
C343S786000, C343S756000
Reexamination Certificate
active
07034774
ABSTRACT:
A polarizer for an antenna and antenna structures are disclosed. According to one aspect a polarizer includes a generally cylindrical sidewall portion extending between spaced apart end portions. At least one polarizing structure extends substantially continuously along an interior of the sidewall portion and extends radially inwardly relative to the sidewall portion according to a first radius in a longitudinal direction and a second radius in a transverse direction. The polarizer can be implemented as part of an antenna structure, which further can be integrated with a transition stage and/or a horn.
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S.J. Orfanidis “Aperture Antennas”; Electromagnetic Waves & Antennas; Feb. 28, 2004; pp 575-619.
Chang Henry
Eglitis Imants
Ingram James David
Kuo Steven Szu-Cherng
Roberts Andrew Lee
Cabucos Marie Antoientt
Dinh Trin Vo
Northrop Grumman Corporation
Tarolli, Sundheim Covell & Tummino L.L.P.
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