A circuit for displaying on the screen a mode frequency and screen control states of a monitor by using OSD letters is disclosed. The circuit delays the R, G, B signals of the OSD IC for a predetermined time until the output signals from the pre-amplifier are completely blanked according to a blanking...http://www.google.fr/patents/US5493340?utm_source=gb-gplus-shareBrevet US5493340 - Circuit for displaying screen control states of a monitor
Circuit for displaying screen control states of a monitor
