发明名称 |
Circuit arrangement for dynamically limiting the colour signal |
摘要 |
The invention relates to a circuit arrangement for a video recording device comprising a circuit (1) for separating a colour signal containing a chrominance signal and a colour burst and a luminance signal from a video signal. The circuit arrangement also exhibits a frequency conversion device (3) for converting the colour signal and a circuit (5) for controlling the colour signal, thus converted, to a constant colour burst level. The colour signal thus controlled is level-limited in a circuit (7), the limiting being reduced or cancelled, if necessary, in dependence of the composition of the luminance signal. <IMAGE>
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申请公布号 |
DE3502420(C1) |
申请公布日期 |
1986.07.10 |
申请号 |
DE19853502420 |
申请日期 |
1985.01.25 |
申请人 |
PHILIPS PATENTVERWALTUNG GMBH, 2000 HAMBURG, DE |
发明人 |
KUPFER, KARL-HEINZ, 4150 KREFELD, DE |
分类号 |
H04N9/793;H04N9/83;(IPC1-7):H04N9/87 |
主分类号 |
H04N9/793 |
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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