| 发明名称 |
DIRECTIONAL COUPLER |
| 摘要 |
PROBLEM TO BE SOLVED: To inhibit interference between pluralities of directional coupler lines on a board. SOLUTION: The directional coupler comprises the board 1 and first and second directional coupler lines 2 and 3 on the board 1, and a ground pattern 8 is provided on the board 1 between the first and second directional coupler lines 2 and 3.
|
| 申请公布号 |
JP2002217618(A) |
申请公布日期 |
2002.08.02 |
| 申请号 |
JP20010011258 |
申请日期 |
2001.01.19 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
NANAUMI KAZUO;MIZUNO MASAYUKI;ENDO SHINICHI;IWASA MASAHARU |
| 分类号 |
H01P5/18;(IPC1-7):H01P5/18 |
主分类号 |
H01P5/18 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
