Apparatus and methods are disclosed to store and transmit HDTV signals. The apparatus includes hard disk drives and DVD drives utilized to store HDTV signals and hardware and software to provide constant data feed of HDTV signals into a closed circuit where those signals may be utilized for demonstration...http://www.google.com/patents/US6766099?utm_source=gb-gplus-sharePatent US6766099 - Storage and transmission of HDTV signals
