AT307353T

System and method for protection of digital works

Abstract

A digital work and a system context (or resource information or system resource) are polarized enabling trusted rendering or replay of the digital work without depolarization of the digital content. The digital work includes digital content and resource information. Resource information may include information used by a replay application to format or process the digital content. The digital work and system context are polarized using a polarization scheme which relies on a polarization seed to initialize and customize the polarization. Different types of polarization seeds may be used, including a random number, a user's system's state or characteristic anda dynamic state-based polarization seed based on a dynamic system state or characteristic. <IMAGE>

Term

Term ended

Expired 26 March 2021, 5.5 years ago.

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36 members in 7 offices

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Priority claims
DocumentOfficeKindDate
53475600United States of AmericaA

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EP0999488A2European Patent Office (EPO)A2
JP2000137649AJapanA
CA2341979A1CanadaA1
EP1146411A1European Patent Office (EPO)A1
JP2002044072AJapanA
EP0999488A3European Patent Office (EPO)A3
US2002194485A1United States of AmericaA1
US6519700B1United States of AmericaB1
US6763464B2United States of AmericaB2
EP0999488B1European Patent Office (EPO)B1
AT303630TAustriaT
ATE303630T1AustriaT1
DE69926970D1GermanyD1
EP1146411B1European Patent Office (EPO)B1
AT307353TThis recordAustriaT
ATE307353T1AustriaT1
DE60114069D1GermanyD1
EP1612641A2European Patent Office (EPO)A2
EP1612641A3European Patent Office (EPO)A3
DE69926970T2GermanyT2
ES2248952T3SpainT3
ES2250245T3SpainT3
DE69926970T8GermanyT8
DE60114069T2GermanyT2
US7068787B1United States of AmericaB1
JP2007328798AJapanA
JP4235691B2JapanB2
JP4304220B2JapanB2
JP2009201163AJapanA
JP4353651B2JapanB2
JP2012168561AJapanA
JP2013214993AJapanA
JP5331920B2JapanB2
EP1146411B2European Patent Office (EPO)B2
DE60114069T3GermanyT3
ES2250245T5SpainT5