Embedded antenna device for electronic communication device
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United States of America Patent
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Oct 31, 2017
Issued Date -
N/A
app pub date -
Mar 26, 2012
filing date -
Mar 24, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A built-in antenna device for an electronic device for communication is provided. The antenna device includes a substrate, an antenna radiator, and a transmission line. The substrate includes a grounding region and a non-grounding region. The antenna radiator is disposed in the non-grounding region of the substrate and fed from a feeding portion provided to the substrate. The transmission line branches from the antenna radiator and is disposed in vicinity of the grounding region to have a predetermined length and a predetermined width. The antenna device controls reactance by coupling the transmission line with the grounding region to allow the antenna radiator to operate in at least one desired band.
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