Method and apparatus for horizontal and vertical overlap signals of improved for greater concealment in modern TV sets,

摘要

b method and apparatus for horizontal and vertical overlap signals of improved for greater concealment in modern TV sets d video signals are scrambled by modulation of the position or CoThe mutation between two types of horizontal sync pulses are modified.These pulses are modulated or modified horizontal switched at a rate that causes a pattern of distortion non interlaced when viewed by a viewer is not allowed.For what can more concealment by the invention when compared with the state of the art.The shuffling process modified is also adapted to obtain artifacts AGC tuning below.With false signals of vertical sync added and strategic use of double or multiple horizontal synchronization pulses per line of TV.The modern TV sets using counting circuits are also affected descentente vertically to optimize the effects of concealment.