| 发明名称 |
NOISE REDUCING SYSTEM FOR REPRODUCING APPARATUS OF FMMFM MULTIPLEX SIG NALS |
| 摘要 |
PURPOSE:To prevent the noises from being established in the audio signal of a video disc by reducing the output of a demodulator to zero, in case the reproducing signals have defficiency, to reduce the amplitude-modulated components of the sub-carriers of respective channels. |
| 申请公布号 |
JPS52120801(A) |
申请公布日期 |
1977.10.11 |
| 申请号 |
JP19760037288 |
申请日期 |
1976.04.05 |
| 申请人 |
VICTOR COMPANY OF JAPAN |
发明人 |
MASUDA ISAO;KOHARI HARUKUNI;NISHIKAWA KAZUNORI |
| 分类号 |
G11B3/00;H04B1/10;H04H20/88;H04H40/72;H04S1/00;H04S3/00 |
主分类号 |
G11B3/00 |
| 代理机构 |
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代理人 |
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| 地址 |
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