| 发明名称 |
TUNING UNIT |
| 摘要 |
PURPOSE:To enable the unit having small loss at the reception frequency, and large attenuating degree at the local oscillating frequency and image frequency. |
| 申请公布号 |
JPS52125220(A) |
申请公布日期 |
1977.10.20 |
| 申请号 |
JP19760041306 |
申请日期 |
1976.04.14 |
| 申请人 |
HITACHI LTD |
发明人 |
NAGASHIMA TOSHIO;MATSUURA SHIGEO |
| 分类号 |
H03J3/26;H04B1/18;H04N5/44 |
主分类号 |
H03J3/26 |
| 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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