NFC antenna
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United States of America Patent
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-
Jan 10, 2017
Grant Date -
Nov 19, 2015
app pub date -
Nov 4, 2014
filing date -
May 14, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
The disclosure illustrates a NFC antenna. The NFC antenna includes a first radiating portion and a second radiating portion. The first radiating portion is formed by a first conducting wire surrounding an axis core. The second radiating portion is formed by a second conducting wire surrounding the same axis core based on a surrounding direction which the first radiating portion surrounds the axis core. A second signal input terminal of the second radiating portion is electrically connected to a first signal input terminal of the first radiating portion. An open end of the second radiating portion is disposed proximately to a first signal output terminal. Thus, the NFC antenna can reduce the interferences affected from surrounding metal elements, and improve a quality factor of the NFC antenna.
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