Monopole antenna and wireless network device having the same
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United States of America Patent
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Apr 21, 2009
Grant Date -
Dec 18, 2008
app pub date -
Jun 18, 2007
filing date -
Jun 18, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention discloses an antenna adapted for use in a wireless network device. The antenna includes: a base radiation portion, a connecting portion, a first radiation portion and a second radiation portion. The connecting portion is connected with the base radiation portion and has a slot with two slot sides that are spaced with a first width. The first radiation portion is connected with the connecting portion. The second radiation portion is connected with the first radiation portion, substantially parallel to the connecting portion, and is positioned corresponding to the slot. The second radiation portion has two edges that are spaced with a second width. When the second radiation portion is projected onto the connecting portion along a direction perpendicular to the second radiation portion, one of the edges and one of the corresponding slot sides are spaced with a distance. The antenna is a single component integrally formed by stamping an electrically conductive thin metal plate, which facilitates not only fabrication thereof, but also the assembly of the antenna to a substrate of the wireless network device, and increases the gain of the wireless network device along a vertical direction as well.
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