| 发明名称 |
Direct conversion radio receiver for F.M. signals. |
| 摘要 |
<p>A radio receiver for FM signals having a demodulation system (9) to produce an approximation to an analogue output by either measuring the time intervals between successive zero crossings in the intermediate frequency (I.F.) or by filtering pulses produced at zero crossings of the I.F.</p> |
| 申请公布号 |
EP0076095(A1) |
申请公布日期 |
1983.04.06 |
| 申请号 |
EP19820305006 |
申请日期 |
1982.09.23 |
| 申请人 |
INTERNATIONAL STANDARD ELECTRIC CORPORATION |
发明人 |
VANCE, IAN ALISTAIR WARD;GOATCHER, JOHN KENNETH |
| 分类号 |
H04L27/14;H03D3/00;H03D7/16;H04L27/152;(IPC1-7):03D3/00;04L27/14 |
主分类号 |
H04L27/14 |
| 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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