发明名称 |
SUPPERSSED CIRCUIT |
摘要 |
<p>The circuit suppresses impulsive interference in a signal, e.g. scratch noise originating from an audio disc. A delay circuit for the signal and an interference detector are provided. The detector controls a circuit which blanks out the delayed signal when a pulse-like interference is detected. The blanking circuit blanks the delayed signal by fading it out and/or in. The circuit contains a series and a parallel light dependent resistor in a frequency dependent filter configuration.</p> |
申请公布号 |
JPS5449101(A) |
申请公布日期 |
1979.04.18 |
申请号 |
JP19780103749 |
申请日期 |
1978.08.25 |
申请人 |
PLESSEY HANDEL INVESTMENT AG |
发明人 |
IAN UIRIFURITSUDO BATSUKUNAA |
分类号 |
G11B3/00;G11B20/02;H03G3/20;H03G3/34 |
主分类号 |
G11B3/00 |
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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