Multifrequency antenna
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 30, 2004
Grant Date -
Jul 24, 2003
app pub date -
Oct 3, 2002
filing date -
Feb 26, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An antenna is compactified whilst being able to operate across at least two different broad frequency bands. An antenna circuit board 7 on which an antenna pattern 7a and a passive element pattern 7b are formed is accommodated inside an antenna case. An antenna element is connected electrically to the upper end of the antenna pattern 7a. An antenna operating in the GSM and DCS frequency bands is constituted by a telephone element provided on the lower portion of the antenna element and the antenna pattern 7a and passive element pattern 7b formed on the antenna circuit board 7. Thereby, a compactified antenna is enabled to operate across two different broad frequency bands.
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