发明名称 |
Antenna apparatus; communication apparatus; and antenna apparatus designing method |
摘要 |
For a PDC (Personal Digital Cellular) folding cellular phone that uses, for example, an 800-MHz band for communication, it is desirable to reduce a height of an antenna apparatus in order to reduce a thickness of the cellular phone. (Constitution) <??>An antenna apparatus including an antenna element having a feeding plate, a ground plate arranged opposite the antenna element, a short circuit section that connects the antenna element and the ground plate together, and one or more ground wires each connected to the ground plate at a predetermined position and each having a (1) linear shape or a (2) bent or curved shape. <IMAGE> <IMAGE>
|
申请公布号 |
EP1329985(A2) |
申请公布日期 |
2003.07.23 |
申请号 |
EP20030000641 |
申请日期 |
2003.01.15 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
IWAI, HIROSHI;YAMAMOTO, ATSUSHI;YAMADA, KENICHI;KAMAEGUCHI, SHINJI |
分类号 |
H01Q1/08;H01Q1/24;H01Q1/48;H01Q9/04;(IPC1-7):H01Q1/24 |
主分类号 |
H01Q1/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|