Communications: radio wave antennas – Antennas – Microstrip
Reexamination Certificate
2006-03-28
2006-03-28
Wilmer, Michael C. (Department: 2828)
Communications: radio wave antennas
Antennas
Microstrip
C343S846000
Reexamination Certificate
active
07019695
ABSTRACT:
An antenna system includes a fractalized element that may be a ground counterpoise, a top-hat located load assembly, or a microstrip patch antenna having at least one element whose physical shape is at least partially defined as a first or higher iteration deterministic fractal. The resultant fractal element may rely upon an opening angle for performance, and is more compact than non-Euclidean ground counterpoise elements or the like. A vertical antenna system includes a vertical element that may also be a fractal, and a vertical antenna can include vertically spaced-apart fractal conductive and passive elements, and at least one fractal ground element. Various antenna configurations may be fabricated on opposite surfaces of a substrate, including a flexible substrate, and may be tuned by rotating elements relative to each other, and/or by varying the spaced-apart distance therebetween. Fractalized ground counterpoise elements and/or microstrip patch antenna systems may be fabricated on a flexible printed circuit substrate, and/or placed within the support mount of a cellular telephone car antenna.
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McDermott Will & Emery LLP
Wilmer Michael C.
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