Communications: radio wave antennas – Antennas – Wave guide type
Reexamination Certificate
2006-05-25
2010-02-16
Dinh, Trinh V (Department: 2821)
Communications: radio wave antennas
Antennas
Wave guide type
C343S7000MS, C343S872000
Reexamination Certificate
active
07663566
ABSTRACT:
An RF antenna structure (e.g., a planar array) includes at least one radiation cell (and typically many, e.g., 16 or 32 or 64, etc.) having a conductive enclosure and an upper probe and a lower probe located at different heights within the enclosure. The enclosure between the upper probe and a bottom of the cell has at least two different cross-sectional areas. The upper and lower probes are preferably oriented at substantially 90° relative to each other. An upper portion of the enclosure beneath the upper probe may have a larger dimension than a lower portion such that the upper portion allows propagation of waves generated by the upper probe in a predetermined frequency band while the lower portion (e.g., above the lower probe) does not substantially allow propagation of waves generated by the upper probe, in the predetermined frequency band.
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Isr
Dinh Trinh V
Nixon & Vanderhye PC
Starling Advanced Communications Ltd.
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