ANTENNA, AND MANUFACTURING METHOD THEREFOR
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United States of America Patent
Stats
-
Sep 17, 2002
Grant Date -
Oct 3, 2002
app pub date -
May 31, 2001
filing date -
Mar 29, 2001
priority date (Note) -
Granted
status (Latency Note)
Importance
Abstract
An antenna and a manufacturing method therefor are disclosed, in which the sensitivity characteristic of the dual band antenna utilizing a plurality of frequency bands is improved, and at the same time, the antenna can be miniaturized. A first cylindrical body 110 around which a primary coil 100 is spirally wound is inserted into a second cylindrical body 220 around which a secondary coil is wound. A projected portion of the primary coil 100 is electrically connected to the secondary coil 200, thereby forming a dual band antenna 300.
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