A video signal processing system for slicing binary data transmitted in a video signal is provided, comprising a synchronous separator, a line counter, a slicing signal generator and a comparator. The synchronous separator detects Hsync and Vsync carried in the video signal. The line counter generates...http://www.google.de/patents/US7796193?utm_source=gb-gplus-sharePatent US7796193 - Method of adaptive slicing signal
