发明授权
US4777659A Detector for indicating reception disturbances during ultrashort wave
broadcast reception
失效
用于在超短波广播接收期间指示接收干扰的检测器
- 专利标题： Detector for indicating reception disturbances during ultrashort wave broadcast reception
- 专利标题（中）： 用于在超短波广播接收期间指示接收干扰的检测器
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申请号： US9115申请日： 1987-01-28
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公开(公告)号： US4777659A公开(公告)日： 1988-10-11
- 发明人: Heinz Lindenmeier , Ernst Manner , Gerhard Flachenecker
- 申请人： Heinz Lindenmeier , Ernst Manner , Gerhard Flachenecker
- 申请人地址： NY New York NY New York
- 专利权人： U.S. Philips Corporation,Hans Kolbe & Co.
- 当前专利权人： U.S. Philips Corporation,Hans Kolbe & Co.
- 当前专利权人地址： NY New York NY New York
- 主分类号： H04B1/10
- IPC分类号： H04B1/10
摘要：
A detector for indicating reception disturbances during frequency modulated ultrashort wave broadcast reception, particularly in power vehicles, has a detector for indicating frequency disturbance deviations in high frequency or intermediate frequency carriers and an amplitude modulation detector for indicating disturbance amplitude modulation in the high frequency or intermediate frequency carrier, and an evaluating circuit with two inputs arranged so that the output signals of the detectors are supplied to the respective inputs of the evaluating circuit and an output signal of the evaluating circuit depends both on the disturbance amplitude modulation and the frequency disturbance deviation.
公开/授权文献
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