Conical beam cross-slot antenna

Details Conical beam cross-slot antenna Conical beam cross-slot antenna

2006-06-20

2006-06-20

Dinh, Trinh (Department: 2821)

Communications: radio wave antennas

Antennas

Slot type

C343S767000, C343S764000

Reexamination Certificate

active

07064725

ABSTRACT:
An antenna assembly including a ground plane and a generally planar cross-slot antenna, spaced from the ground plane and arranged generally parallel thereto, the generally planar cross-slot antenna including a generally rigid dielectric substrate having formed on a first side thereof, a metal layer which defines mutually spaced rectangular slots at which the metal layer is not present and having formed on a second side thereof, there are defined feed lines extending radially outwardly from a central junction thereof, each to cross a corresponding one of the rectangular slots.

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patent: 2005/0113946 (2005-05-01), Janik
Jun-iehi Takada et al., “A Radial Line Slot Antenna Radiating Circularly Polarized Conical Beam”, 1994.
Michael A. Forman, et al., “A Tunable Second-Resonance Cross-Slot Antenna”, 1997.

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