| 发明名称 |
Radio transmitter apparatus. |
| 摘要 |
<p>A radio transmitter apparatus arranged such that transmission efficiency is improved by switching a load impedance of a final stage in response to a power source voltage or a transmission output. <IMAGE></p> |
| 申请公布号 |
EP0459440(A2) |
申请公布日期 |
1991.12.04 |
| 申请号 |
EP19910108786 |
申请日期 |
1991.05.29 |
| 申请人 |
SONY CORPORATION |
发明人 |
TAKAO, NOBUTAKA |
| 分类号 |
H03F1/02;H03F1/56;H04B1/034;H04B1/04;H04B1/40 |
主分类号 |
H03F1/02 |
| 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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