The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 15, 2011
Filed:
Jan. 20, 2004
Philippe Leyendecker, Chateaugiron, FR;
Jean-maurice Cueff, Fontenay aux Roses, FR;
Daniel Creusot, Voisins le Bretonneux, FR;
Philippe Leyendecker, Chateaugiron, FR;
Jean-Maurice Cueff, Fontenay aux Roses, FR;
Daniel Creusot, Voisins le Bretonneux, FR;
Thomson Licensing, Boulogne-Billancourt, FR;
Abstract
The system for receiving broadcast digital data (in particular pay television services) comprises a master digital terminal (), and at least one slave digital terminal () connected to the master terminal by a link () and able to receive protected digital data. The slave digital terminal can access the protected data only if information necessary for accessing the data and received by the master digital terminal is sent by way of link () to the slave digital terminal within a predetermined deadline. This information is in particular access entitlements to television services or keys for descrambling the service.