Patents Assigned to 4T S.A.
  • Process for reinforcing the security of a pay television system based on periodic mandatory back-communication
    Patent number: 10778351
    Abstract: The invention relates to a process for transmitting streaming digital content to a client device for access to digital content. The inventive process makes it possible, in particular, to apply an access control system to the protection of direct-mode video streams. The process also makes it possible to significantly improve the security and safety of the system, based on a periodic mandatory back-communication on the part of the client device.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: September 15, 2020
    Assignee: 4T S.A.
    Inventors: David Naccache, Lukasz Jeczminski, Mateusz Zajakala, Jas Saini
  • Method and device allowing an access control system to be applied to the protection of streamed video
    Patent number: 10440409
    Abstract: Some embodiments are directed to a method and to a device allowing an access control system to be applied to the protection of streamed video. The inventive system and associated method allow an existing access control system of Marlin type to be used innovatively based on the execution of two successive operation phases allowing DRM rights to be acquired followed by the delivery of content and the decryption thereof.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: October 8, 2019
    Assignee: 4T S.A.
    Inventors: David Naccache, Lukasz Jeczminski, Mateusz Zajakala, Jas Saini