| 发明名称 |
NOISE REDUCTION DEVICE |
| 摘要 |
PURPOSE:To obtain a video signal with reduced high-range noise by drawing out the noise element only through extraction and depression of the high-range frequency element for a video signal and by applying the low-range attenuation part to the original video signal after phase inversion. |
| 申请公布号 |
JPS5314516(A) |
申请公布日期 |
1978.02.09 |
| 申请号 |
JP19760089418 |
申请日期 |
1976.07.26 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
ARIMURA ICHIROU;SHIBUYA MITSUGU;SANKOU CHIYOUJIYUUROU |
| 分类号 |
H04N5/21;G11B20/06;H03K5/01;H03K5/1252;H04B1/10 |
主分类号 |
H04N5/21 |
| 代理机构 |
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代理人 |
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