Microstrip line type planar array antenna
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United States of America Patent
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Jan 31, 2006
Grant Date -
Dec 1, 2005
app pub date -
Jan 28, 2005
filing date -
Jan 28, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A planar array antenna comprises a powered antenna element and an adjacent passive element which are microstrip-line type ones and disposed on one principal surface of a dielectric substrate; and a feeding system for feeding high frequency power to the powered antenna element. The powered antenna element and a passive element disposed ahead of the powered antenna element constitute a powered element pair, and the adjacent passive element and a passive antenna element disposed ahead of the adjacent passive element constitute a passive element pair. The passive element pair is disposed so that it adjoins said powered element pair in an electric field direction or a magnetic field direction of radio wave emitted from the powered antenna element.
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