BUILT-IN ANTENNA FOR WIRELESS COMMUNICATION TERMINAL

摘要

PROBLEM TO BE SOLVED: To provide a built-in antenna for a high gain wireless communication terminal that is less affected by a human body. SOLUTION: A rod-shaped 2nd parasitic element 662 is placed opposite to an antenna element of a dipole antenna 501. The opposition distance between the 2nd parasitic element 662 and the antenna element of the dipole antenna 501 is properly set so as to bring input reflection characteristics into a broadband by changing the mutual inductance between the 2nd parasitic element 662 and a resonance circuit the antenna element of the dipole antenna 501.