| http://www.w3.org/ns/prov#value | - Because an antenna construction of a conventional portable telephone does not allow to be used with a wide frequency band, developments of new antenna apparatus and methods, which are operable at a plurality of frequencies, and able to realize a broader band wireless transmission and reception, are in progress. [0005]FIGS. 1 and 2 show examples of antennae which are operable in a plurality of freq
|
