Patents Assigned to Canal + Societe Anonyme
  • Multichannel digital television system
    Patent number: 6839901
    Abstract: A digital television system including a transmission means for transmitting digital audiovisual information on a plurality of channels and means for introducing in real time an event message concerning a live event broadcast on at least one channel into the datastream of at least one other channel, where the event message includes information regarding the occurrence of an event and the channel on which the event has occurred.
    Type: Grant
    Filed: April 20, 2000
    Date of Patent: January 4, 2005
    Assignee: Canal + Societe Anonyme
    Inventors: Guillaume De Saint Marc, Daniel Thomas