Multiple resonance antenna and mobile phone antenna
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 4, 2006
Grant Date -
Dec 9, 2004
app pub date -
May 26, 2003
filing date -
Jun 10, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
With the object of forming a compact antenna that operates in a plurality of frequency bands, the pattern of an antenna element (14) that can resonate in a plurality of frequency bands is formed on the outer circumferential surface of an antenna bobbin (12). A parasitic conductor (11) is inserted into an accommodating hole, which is formed substantially along the central axis of this antenna bobbin (12). As a result, an antenna that operates favorably in the frequency bands of AMPS, PCS and GPS can be obtained.
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