Patents Assigned to Tm SF Media Holdings, L.L.C.
  • Systems and methods for storing a plurality of video streams on re-writable random-access media and time- and channel-based retrieval thereof
    Patent number: 7925141
    Abstract: 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 a portion of one of the plurality of channels from the mass data storage unit based on a received command and presents the portion on a video display device.
    Type: Grant
    Filed: September 3, 2004
    Date of Patent: April 12, 2011
    Assignee: Tm SF Media Holdings, L.L.C.
    Inventors: James L. Geer, Ivan H. Darius