Antenna device having an adjustable frequency
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United States of America Patent
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Issued Date -
Oct 15, 2009
app pub date -
Apr 9, 2008
filing date -
Apr 9, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An antenna device includes an antenna and a transmission element. The antenna includes a grounding element and a radiating element. The radiating element is connected to the grounding element and is provided with a plurality of spaced apart feeding portions. The transmission element is connected selectively to one of said feeding portions. When the transmission element is connected to one of the feeding portions, the radiating element operates in a distinct frequency.
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Cited Art Landscape
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