Compact cellular phone
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 18, 2006
Grant Date -
Jun 6, 2002
app pub date -
Dec 3, 2001
filing date -
Dec 1, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A compact cellular phone with a foldable configuration and two planar antennas having outward directivities are provided inside the compact cellular phone in the foldable configuration. An interval between the two planar antennas provided to a pair of housings is equal to or wider than a width of a human palm in a state in which the compact cellular phone is open. The two planar antennas are planar inverse F-type antennas or patch antennas and impedance around each of the two planar antennas is measured. Then, one of the two planar antennas, which has a preferred transmission characteristic, is selected and used.
First Claim
Family
International Classification(s)
Cited Art Landscape
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