| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To improve antenna characteristics by increasing an antenna volume. <P>SOLUTION: A power supply radiation element 3 has a strip-like bottom surface portion 4, a radiation main surface portion 6 consisting of a top surface portion 16 and an upright radiation main surface portion 17, and a rise coupling portion 5 for coupling the bottom surface portion 4 to the radiation main surface portion 6. The rise coupling portion 5 has inclined portions 12, 13. Owing to the inclined portions 12, 13, an extension tip portion of the upright radiation main surface portion 17 can be disposed on a position near the bottom surface portion upward the bottom surface portion 4 or upward and frontward of the bottom surface portion 4. Thus, this structure can increase an antenna volume to improve antenna characteristics because the upright radiation main surface portion 17 can be disposed on the front, compared to a structure in which the upright radiation main surface portion 17 is disposed on the depth of the bottom surface portion 4. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
