Patents by Inventor Stéphane Lanfranchi

Stéphane Lanfranchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for access control to a scrambled content
    Patent number: 8488794
    Abstract: A method for access control to a digital scrambled content distributed to a set of installed reception terminals including one master terminal and at least one slave terminal dependent on the master terminal. In the method the slave terminal systematically or occasionally returns at least one item of information about the access condition to the master terminal through a point-to-point link, to enable the master terminal to control access of the slave terminal to the content.
    Type: Grant
    Filed: September 19, 2011
    Date of Patent: July 16, 2013
    Assignee: VIACCESS
    Inventors: Anthony Chevallier, Stephane Lanfranchi, Erwann Magis
  • METHOD FOR ACCESS CONTROL TO A SCRAMBLED CONTENT
    Publication number: 20120008781
    Abstract: A method for access control to a digital scrambled content distributed to a set of installed reception terminals including one master terminal and at least one slave terminal dependent on the master terminal. In the method the slave terminal systematically or occasionally returns at least one item of information about the access condition to the master terminal through a point-to-point link, to enable the master terminal to control access of the slave terminal to the content.
    Type: Application
    Filed: September 19, 2011
    Publication date: January 12, 2012
    Applicant: VIACCESS
    Inventors: Anthony CHEVALLIER, Stéphane Lanfranchi, Erwann Magis
  • Methods for broadcasting and receiving a scrambled multimedia programme, network head, terminal, receiver and security processor for these methods
    Patent number: 8086851
    Abstract: A method of broadcasting a scrambled multimedia program, by way of a broadcast network, in which before transmitting a license key; a network head carries out a step of authenticating a terminal, and if the terminal has successfully authenticated, the network heads sends the terminal a license transmission message containing the license key or cryptogram of the license key, by way of a point-to-point link, and if the terminal is not successfully authenticated, the network head acts (at 200) in such a way as to prevent the complete descrambling by this terminal of the scrambled multimedia program broadcast.
    Type: Grant
    Filed: June 13, 2007
    Date of Patent: December 27, 2011
    Assignee: VIACCESS
    Inventors: Philippe Carles, Anthony Chevallier, Gilles Dubroeucq, Stéphane Lanfranchi
  • METHODS FOR BROADCASTING AND RECEIVING A SCRAMBLED MULTIMEDIA PROGRAMME, NETWORK HEAD, TERMINAL, RECEIVER AND SECURITY PROCESSOR FOR THESE METHODS
    Publication number: 20100228971
    Abstract: A method of broadcasting a scrambled multimedia programme, by way of a broadband network, in which before transmitting a license key: —a network head carries out a step of authenticating a terminal, and—if the terminal has been successfully authenticated, the network head sends the terminal a license transmission message containing the license key or cryptogram of the license key, by way of a point-to-point link, and—if the terminal is not successfully authenticated, the network head acts (at 200) in such a way as to prevent the complete descrambling by this terminal of the scrambled multimedia programme broadcast.
    Type: Application
    Filed: June 13, 2007
    Publication date: September 9, 2010
    Inventors: Philippe Carles, Anthony Chevallier, Gilles Dubroeucq, Stéphane Lanfranchi
  • Method of Controlling Access to a Scrambled Content
    Publication number: 20080301437
    Abstract: A method for access control to a digital scrambled content distributed to a set of installed reception terminals including one master terminal and at least one slave terminal dependent on the master terminal. In the method the slave terminal systematically or occasionally returns at least one item of information about the access condition to the master terminal through a point-to-point link, to enable the master terminal to control access of the slave terminal to the content.
    Type: Application
    Filed: August 18, 2006
    Publication date: December 4, 2008
    Applicant: VACCESS
    Inventors: Anthony Chevallier, Stephane Lanfranchi, Erwann Magis