A monochromepicture-in-picture (PIP) system has been developed, whose low-cost design and simplicity has led to successful implementation in a large quantity of color television products.
现已研制出一种黑白画中画系统，由于其低成本的设计和简易性使它成功地应用于大量的彩色电视机中。
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This Paper Proposes a interface circuit which can input the signals of two dimensional monochromepicture into a computer. This circuit is characterized by wide band, pragmatism and multifunction.