A broadcast recording and playback device employing a "circular buffer" which constantly records one or more incoming audio or video program signals and a microprocessor for accessing the memory to read a playback signal from the circular buffer to display programming material delayed from its receipt...http://www.google.fr/patents/USRE36801?utm_source=gb-gplus-shareBrevet USRE36801 - Time delayed digital video system using concurrent recording and playback
Time delayed digital video system using concurrent recording and playback
