Antenna device and array antenna
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United States of America Patent
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Jul 22, 2008
Grant Date -
Jun 7, 2007
app pub date -
Dec 27, 2004
filing date -
Dec 30, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to a broadband non-resonant antenna device for wireless transmission of information using electromagnetic signals, comprising a metal sheet layer, forming a plane, with a slotline that comprises a first part and a second part. The side of the second part that is the most distant from the first part transcends into a widening open-ended tapered slot in the metal sheet layer. The device additionally comprises a feeding line in the metal sheet layer. The feeding line comprises a feeding part, with a first end and a second end, and gaps separating the feeding part from the surrounding metal sheet layer by a certain distance, where the slotline is intersected by the feeding line.
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