TWO-STAGE ANTENNA AND METHOD FOR MANUFACTURING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a two-stage antenna in which a bar-shaped antenna element is housed in a slidable state inside a cylindrical antenna element connected to a feeding part in an extended state to be used for a portable communication terminal capable of suppressing the fluctuation of characteristics due to deformation when any bending or tension is added to the cylindrical antenna element. SOLUTION: This two-sage antenna is constituted by spirally winding at least one linear conductor and molding it like a cylinder instead of spirally winding a rectangular conductor in a conventional manner. Thus, it is possible to improve resistance to any outer force.