| 发明名称 |
LUMPED CONSTANT TYPE DIRECTIONAL COUPLER |
| 摘要 |
PURPOSE:In the supervisory control system of medium wave radio broadcaster, the coupling parts of the various kinds of supervisory units and feeders are simplified by the directional coupler which has a broad-band characteristic, so that the various kinds of coupling outputs required for all supervision can be fetched. |
| 申请公布号 |
JPS52149938(A) |
申请公布日期 |
1977.12.13 |
| 申请号 |
JP19760066486 |
申请日期 |
1976.06.09 |
| 申请人 |
JAPAN BROADCASTING CORP |
发明人 |
KAMINAKATA KATSUAKI;YAMAZAKI TERUO;MATSUI HIDENORI |
| 分类号 |
H03H7/52;H03H7/48;H04B17/00 |
主分类号 |
H03H7/52 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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