Patent ID: 6684085
Filing Date: 2004-01-27
Classification: H01Q,H04B

Abstract:
A mobile telephone comprising:an antenna body for transmitting and receiving radio waves; a terminal for performing communication based on the radio waves transmitted and received by the antenna body; and a means for maintaining the antenna body to be higher by a predetermined height than the terminal; wherein the antenna body comprises: a cylindrical or circular column-type dielectric substance; and an antenna conductor including a radiation section for radiating the radio waves, formed by at least two radiation portions of approximately equal length along the longitudinal surface of the cylindrical dielectric substance, and respective impedance matching sections formed on the top and bottom surfaces of the dielectric substance, a first respective impedance matching section connected to one end of a first radiation portion and a second respective impedance matching section connected to one end of a second radiation portion of said at least two radiation portions, wherein a total length of said at least two radiation portions is equal to &lgr;/2 wavelength; wherein another end of each of the first radiation portion and second radiation portion are arranged adjacent each other so as to facilitate connection to the terminal; and wherein the antenna body is fixed to be higher than the terminal by the predetermined height when the mobile telephone is in use.