| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an antenna apparatus operating at three or more frequencies through a simple arrangement. <P>SOLUTION: A top load monopole antenna 10 is provided, a ground conductor 1 is formed of one copper foil of a both side copper clad wiring board, a patch antenna 11a is formed of two flat electrodes 6a and 6b formed of the other copper foil and arranged in L-shape, and a patch antenna 11b is arranged in a space formed by that patch antenna 11a. The antenna assembly 15 is constituted of these ground conductor 1, top load monopole antenna 10, plurality patch antennas 11a and 11b, and an amplifier circuit 9. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
