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Method and circuit arrangement for obtaining information on the eight- or four-field sequence in colour television signals
Method and circuit arrangement for obtaining information on the eight- or four-field sequence in colour television signals
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机译:在彩色电视信号中获得有关八场或四场序列信息的方法和电路装置
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摘要
In a method for obtaining information on the 8-field sequence in PAL colour television signals, an auxiliary pulse is generated when a 4H pulse coincides several times with the regenerated colour subcarrier, and when this auxiliary pulse coincides with a V pulse, an output pulse is derived.
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