Disclosed herein is an antenna for portable wireless communication apparatuses.
The antenna for portable wireless communication apparatuses includes an antenna
element provided on its outer surface with a conductor on which a plurality of
openings are formed. The outer portion of the interior of the conductor is filled
with a dielectric material. This antenna element is connected in parallel with
a linear radiator in an insulated state, thereby radiating electromagnetic waves
and at the same time being capable of adjusting the radiated amount and direction
of the electromagnetic waves.
