Communications: radio wave antennas – Antennas – Slot type
Reexamination Certificate
2006-04-25
2006-04-25
Le, Hoanganh (Department: 2821)
Communications: radio wave antennas
Antennas
Slot type
C343S769000
Reexamination Certificate
active
07034765
ABSTRACT:
An antenna element is provided which responsive in multiple frequency bands, has symmetric beam patterns, and is easily and cheaply fabricated. The antenna element includes at least three conductive plates arranged in a stack At least one pair of adjacent plates contain apertures that are mutually aligned relative to the stacking direction. The antenna element further includes at least one air stripline arranged to create radiative electromagnetic excitations of the apertures when the stripline or striplines are energized by a suitable radiofrequency voltage source or sources.
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Rammos, E., “New Wideband High-Gain Stripline Planar Array for 12 GHz Satellite TV,” Electronics Letters, Feb. 4, 1982, 2 pages.
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Halpern, B.M., et al., “The Monopole Slot as a Two-Port Diversity Antenna for UHF Land-Mobile Radio Systems,” IEEE Transactions on Vehicular Technology, vol. VT-33, No 2, May 1984.
European Search Report dated Mar. 15, 2004.
Fischer Georg
Pivit Florian
Finston M. I.
Le Hoang-anh
Lucent Technologies - Inc.
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