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    • 9. 发明授权
    • Vertical synchronizing signal stabilizing circuit, integrated circuit
and television signal processing device
    • 垂直同步信号稳定电路,集成电路和电视信号处理装置
    • US5831682A
    • 1998-11-03
    • US701390
    • 1996-08-22
    • Nobutaka IwasakiHiroshi Numata
    • Nobutaka IwasakiHiroshi Numata
    • H04N5/12H04N5/08H04N5/10
    • H04N5/08
    • In a vertical synchronizing signal stabilizing circuit, an integrated circuit and a television signal processing device, a vertical synchronizing signal of which period is stabilized can be output with a small number of elements and a simple constitution, without being influenced by the state of the television signal. On the basis of a first distinguish signal which indicates whether there is a separated signal separated from the television signal as the vertical synchronizing signal or not and of a second distinguish signal which indicates whether the period of the separated signal is the standard period or not, the plural states of the separated signal are discriminated, and the processing mode of the separated signal processing circuit is switched on the basis of the result of the discrimination to process the separated signal.
    • 在垂直同步信号稳定电路中,集成电路和电视信号处理装置,其周期稳定的垂直同步信号可以以少量的元件和简单的结构输出,而不受电视状态的影响 信号。 基于指示是否存在与电视信号分离的分离信号作为垂直同步信号的第一区分信号和指示分离信号的周期是否为标准周期的第二区分信号, 鉴别分离信号的多个状态,并且基于分辨率的结果来切换分离信号处理电路的处理模式以处理分离的信号。