Patents by Inventor Joël Conus

Joël Conus 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).

  • Publication number: 20100138636
    Abstract: One embodiment of the present invention discloses a process for sending an executable code to a security module locally connected to a receiving device.
    Type: Application
    Filed: July 9, 2008
    Publication date: June 3, 2010
    Inventors: Joël Conus, Luca Gradassi
  • Publication number: 20090254996
    Abstract: The aim of the present invention is to limit the impact of security breaches, which are the emulators of the security module. This aim is reached by a processing unit of audio/video digital conditional access data, encrypted by control words, responsible for processing security messages containing at least one cryptogram relative to a control word and one instruction relative to the control word, characterised in that it includes means to receive at least two micro programs by security messages, executable by the security module, said security module comprising means to store at least two micro programs and means to receive an instruction contained in the security message, for selecting the micro program indicated by the instruction, for executing the said micro program with at least the cryptogram as a parameter of execution, this execution allowing the calculation of the control word to be sent back to the audio/video processing unit.
    Type: Application
    Filed: March 27, 2009
    Publication date: October 8, 2009
    Applicant: Nagravision S.A.
    Inventors: Joel Conus, Luca Gradassi, Rached Ksontini, Henri Kudelski
  • Publication number: 20070195950
    Abstract: This invention relates to a method for the transmission of management data to at least one multimedia unit or a group of multimedia units. This method is characterised in that said management data is sent in the form of at least one authorisation message encrypted by means of at least one synchronisation key (SK), the sending of said at least one authorisation message being repeated cyclically and intended for said multimedia unit or said group of multimedia units, and in that the synchronisation key is modified at least during each cycle.
    Type: Application
    Filed: February 12, 2007
    Publication date: August 23, 2007
    Inventors: Henri Kudelski, Joel Conus