A system and method for providing a video signal during the delay time between when a new channel is selected and when the digital picture is acquired and displayed is disclosed. In particular, the system provides an NTSC-like analog video signal along with a conventional digital television signal such...http://www.google.fr/patents/US5532748?utm_source=gb-gplus-shareBrevet US5532748 - Hybrid analog/digital television transmission system
Hybrid analog/digital television transmission system
