Patent assignee · FR · COMPANY

VIACCESS

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39Patents
37Active
39Granted
48Portfolio score

Filing activity: Jan 28, 2003 → Dec 27, 2019 · 10 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7895638B2 Protocol for entering, disabling and/or erasing scrambled data access rights and the corresponding access control module Electricity 18 Active
US9420143B2 Method for water-marking digital books Electricity 14 Active
US9794630B2 Device for processing multimedia contents implementing a plurality of virtual machines Physics 10 Active
US8885825B2 Method of establishing a cryptographic key, network head and receiver for this method, and method of transmitting signals Electricity 5 Active
US10091178B2 Method for supplying protected multimedia content to a terminal Electricity 3 Active
US8949623B2 Security processor and methods for registering access entitlements and cryptographic keys Electricity 2 Active
US8615650B2 Control-word deciphering, transmission and reception methods, recording medium and server for these methods Electricity 2 Active
US9734328B2 Datum reading error detection method Physics 2 Active
US7614079B2 Method and device for transmission of entitlement management messages Electricity 2 Expired
US7995577B2 Methods of broadcastng and receiving scrambled multimedia programs, a terminal and a network head end for said methods Electricity 1 Active
US8528106B2 Process for matching a number N of reception terminals with a number M of conditional access control cards Physics 1 Active
US9544276B2 Method for transmitting and receiving a multimedia content Electricity 1 Active
US9100714B2 Audience-measuring method Electricity 1 Active
US9600667B2 Method for detecting an attempted attack, recording medium, and security processor for said method Physics 1 Active
US9979610B2 Method of smoothing the workload of a server Electricity 0 Active
US11153624B2 Method for reading a video stream Electricity 0 Active
US8898801B2 Method for protecting a digital rights file description Physics 0 Active
US8086851B2 Methods for broadcasting and receiving a scrambled multimedia programme, network head, terminal, receiver and security processor for these methods Electricity 0 Active
US10740616B2 Method for identifying a show in a video filmed by a camera of a spectator Electricity 0 Active
US10489559B2 Method for providing protected multimedia content Electricity 0 Active
US8259940B2 Method for broadcasting digital data to a targeted set of reception terminals Electricity 0 Active
US8666072B2 Method and a system for receiving a multimedia signal, a cryptograophic entity for said reception method and system, and a method and a black box for producing said cryptographic entity Electricity 0 Active
US11202111B2 Method of reading and generating a video stream containing compressed and encrypted images Electricity 0 Active
US8542822B2 Method and module for renewing the code of a cryptographic algorithm, method and module for generating a seed, security processor and recording carrier for these methods Electricity 0 Active
US7827594B2 Method of distributing scrambled services and/or data Electricity 0 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.