| 摘要 |
PURPOSE:To attain the use of frequency bands of both antenna systems, by combining and incorporating a loop antenna system operatd at a low frequency band and an antenna group formed with dipole elements and the like operated at a high frequency band. CONSTITUTION:On a base 2 of a loop antenna 1 of orthogonal arrangement, a base 4 of an antenna 3 comprising a 4-element dipole is placed and they are incorporated. Since the operating frequency band of the antennas 1 and 3 is different, the mutual effect is less comparatively. Thus, the frequency band of both antenna systems is used. |
