Dipole antenna array having dipole arms tilted at an acute angle
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United States of America Patent
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Dec 29, 2009
Grant Date -
Dec 7, 2006
app pub date -
Dec 29, 2005
filing date -
Jun 2, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
An antenna comprising a reflective surface; and an array of dipole antenna elements disposed adjacent to the reflective surface. Each antenna element has a pair of arms which together define a dipole axis, and the dipole axis is tilted at an acute angle with respect to the reflective surface. The pair of arms may be dipole arms, or may be Yagi director arms. In some embodiments the dipole axis is tilted at an acute angle with respect to a feed axis. In some embodiments the antenna element comprises a feed portion defining a feed axis; and the feed portion has a mounting portion which is tilted at an acute angle with respect to the feed axis.
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