Communications: radio wave antennas – Antennas – Within conductive apertured wall
Patent
1977-02-28
1978-07-18
Smith, Alfred E.
Communications: radio wave antennas
Antennas
Within conductive apertured wall
343769, 343767, H01Q 128
Patent
active
041019008
ABSTRACT:
A rectangular antenna has a T-bar of planar cross section for providing a axial to cavity transition. A narrow slot having a length equal to one half the wavelength of the upper end point of the frequency range utilized is centered within the T-bar. Tuning stubs are located in predetermined positions directly under the T-bar for reducing the effect of the TE.sub.30 mode.
REFERENCES:
patent: 3778717 (1973-12-01), Okoshi et al.
Crews Michael R.
Thiele Gary A.
Lall Prithvi C.
McGill Arthur A.
Moore David K.
Sciascia Richard S.
Smith Alfred E.
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