bildschaerfekompensationsschaltung for color television receiver

摘要

A circuit for compensating the sharpness of the picture in a color television receiver comprising a delay circuit and a low-pass filter applied respectively with the luminance signal in a video signal, and a subtractor connected to the delay circuit and the low-pass filter to receive the respective outputs from them whereby to impart a preshoot and an overshoot to the luminance signal.