An encoder generating an analogue color signal is configured by a digital circuit. An external frame signal supplied from an external apparatus is counted by a clock pulse signal generated by a crystal oscillator, and a synchronizing signal to be added to the luminance signal is produced on the basis...http://www.google.fr/patents/US5929923?utm_source=gb-gplus-shareBrevet US5929923 - Apparatus for producing a video signal in synchronism with an external synchronizing signal
Apparatus for producing a video signal in synchronism with an external ...
