A digital video recorder (DVR) and a method of operating the same. In one embodiment, the DVR includes: (1) a mass data storage unit that concurrently and continuously receives and digitally stores a plurality of channels and (2) a channel viewer, coupled to the mass data storage unit, that retrieves...http://www.google.co.uk/patents/US6788882?utm_source=gb-gplus-sharePatent US6788882 - Systems and methods for storing a plurality of video streams on re-writable random-access media and time-and channel- based retrieval thereof
