| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a multifrequency antenna which is incorporated in an information terminal such as a personal computer or a PDA, and is excellent in communication sensitivity in a WAN band, has a simple structure and is suitable for downsizing. <P>SOLUTION: An open space formed between a front end part of a narrow width low frequency side radiating element and a ground plate is used to promote a capacitive coupling place in the space to thereby expand a WAN bandwidth. <P>COPYRIGHT: (C)2008,JPO&INPIT |
