Communications: radio wave antennas – Antennas – Wave guide type
Patent
1996-05-16
1997-10-07
Wimer, Michael C.
Communications: radio wave antennas
Antennas
Wave guide type
343786, 343872, H01Q 142, H01Q 1302
Patent
active
056753489
ABSTRACT:
A feedome is disposed on the side of an opening of a radiator main body, and comprises a dielectric board having a thickness sufficiently smaller than the wavelength of radio wave, and a dielectric protrusion fixedly mounted to the dielectric board substantially in the center of the inner side thereof, and having a height approximately equal to integral number times (1/2).multidot..lambda. where the wavelength of radio wave is .lambda., and a diameter approximately equal to the height of the dielectric protrusion.
REFERENCES:
patent: 4963878 (1990-10-01), Kildal
patent: 5103237 (1992-04-01), Weber
patent: 5166698 (1992-11-01), Ashbaugh et al.
Fukuzawa Keiji
Okada Yasuhiro
Frommer William S.
Sinderbrand Alvin
Sony Corporation
Wimer Michael C.
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