Dual band antenna
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United States of America Patent
Stats
-
Sep 25, 2001
Grant Date -
N/A
app pub date -
Jun 21, 1999
filing date -
Jun 26, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A dual band antenna with dual antenna elements, each including a first and a second antenna element (5b, 6b), for transmitting and/or receiving radio frequency radiation in a first, relatively low frequency band and a second, relatively high frequency band, respectively, and an electrically conductive, substantially planar reflector device (1). Each first antenna element (5b) is located close to an associated one (6b) of the second antenna elements on a front side of the reflector device so as to define first and second radiation beams. The reflector device, on each lateral side thereof, is provided with an edge portion formed as a groove (11, 12), which is open towards the front side of the reflector device and which is dimensioned so as to widen the azimuth beam width of the second beam to an angular value being close to that of the first beam, whereby both beams will have substantially the same azimuth width.
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Cited Art Landscape
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