ATE354255T1 - Informationssignalverarbeitungsverfahren - Google Patents

Informationssignalverarbeitungsverfahren

Info

Publication number
ATE354255T1
ATE354255T1 AT98204137T AT98204137T ATE354255T1 AT E354255 T1 ATE354255 T1 AT E354255T1 AT 98204137 T AT98204137 T AT 98204137T AT 98204137 T AT98204137 T AT 98204137T AT E354255 T1 ATE354255 T1 AT E354255T1
Authority
AT
Austria
Prior art keywords
information signal
signal processing
processing method
scrambled
descrambling
Prior art date
Application number
AT98204137T
Other languages
English (en)
Inventor
Andrew Augustine Wajs
Gerard Johan Dekker
Original Assignee
Irdeto Access Bv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Irdeto Access Bv filed Critical Irdeto Access Bv
Application granted granted Critical
Publication of ATE354255T1 publication Critical patent/ATE354255T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Small-Scale Networks (AREA)
  • Television Signal Processing For Recording (AREA)
  • Television Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Communication Control (AREA)
AT98204137T 1998-12-08 1998-12-08 Informationssignalverarbeitungsverfahren ATE354255T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98204137A EP1011269B1 (de) 1998-12-08 1998-12-08 Informationssignalverarbeitungsverfahren

Publications (1)

Publication Number Publication Date
ATE354255T1 true ATE354255T1 (de) 2007-03-15

Family

ID=8234441

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98204137T ATE354255T1 (de) 1998-12-08 1998-12-08 Informationssignalverarbeitungsverfahren

Country Status (13)

Country Link
US (1) US7050588B1 (de)
EP (1) EP1011269B1 (de)
JP (1) JP4726299B2 (de)
CN (1) CN1208967C (de)
AT (1) ATE354255T1 (de)
AU (1) AU758116B2 (de)
CA (1) CA2318133C (de)
CY (1) CY1106517T1 (de)
DE (1) DE69837096T2 (de)
ES (1) ES2281120T3 (de)
HK (1) HK1028514A1 (de)
WO (1) WO2000035198A1 (de)
ZA (1) ZA200004010B (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7069590B1 (en) * 2000-02-17 2006-06-27 Microsoft Corporation System and method for protecting data streams in hardware components
US8055899B2 (en) * 2000-12-18 2011-11-08 Digimarc Corporation Systems and methods using digital watermarking and identifier extraction to provide promotional opportunities
US6647149B2 (en) * 2001-01-03 2003-11-11 Electronics For Imaging, Inc. Methods and apparatus for securely transmitting and processing digital image data
CA2354470A1 (en) 2001-07-30 2003-01-30 Cloakware Corporation Active content for secure digital media
FR2835387B1 (fr) * 2002-01-30 2006-08-11 Lecomte Daniel Dispositif securise pour la diffusion, l'acces, la copie, l'enregistrement, la visualisation a la demande et la gestion des droits des oeuvres audiovisuelles de haute qualite
FR2849567B1 (fr) * 2002-12-31 2005-04-01 Medialive Dispositif securise pour la diffusion, l'acces, la copie, l'enregistrement, la visualisation a la demande et la gestion des droits des images photographiques de type jpeg
FR2849565B1 (fr) 2002-12-31 2005-06-03 Medialive Protection adaptative et progressive d'images fixes codees en ondelettes
FR2850515B1 (fr) 2003-01-23 2005-07-01 Medialive Procede et systeme adaptatif et progressif de distribution securisee d'images fixes codees en ondelettes
FR2851112B1 (fr) 2003-02-07 2005-06-03 Medialive Dispositif securise pour la diffusion, l'enregistrement et la visualisation a la demande des oeuvres audiovisuelles au format de type mpeg-2ts
TW200511860A (en) * 2003-05-14 2005-03-16 Nagracard Sa Duration computing method in a security module
JP2006013781A (ja) * 2004-06-24 2006-01-12 Nec Corp 無線通信システム及び無線通信システムにおける盗聴防止方法
JP2006019897A (ja) * 2004-06-30 2006-01-19 Nec Corp 無線通信システム及び無線通信システムにおける盗聴防止方法
EP1821538A1 (de) * 2006-02-15 2007-08-22 Irdeto Access B.V. Verfahren und System zur Herstellung von verschlüsseltem Inhalt
US8675137B2 (en) * 2010-04-13 2014-03-18 Newport Media, Inc. Apparatus and method for adaptive filtering
EP2751731A4 (de) 2011-09-07 2015-02-25 Irdeto Canada Corp Verfahren und system zur erhöhung der sicherheit von inhalten
WO2014154288A1 (en) 2013-03-28 2014-10-02 Irdeto B.V. Processing digital content
EP2797334A1 (de) 2013-04-26 2014-10-29 Nagravision S.A. Verfahren und Vorrichtung zur Einbettung von Wasserzeichen in nicht komprimierten Videodaten
EP2797335A1 (de) * 2013-04-26 2014-10-29 Nagravision S.A. Verfahren zum Wasserzeichnen eines komprimierten verschlüsselten Inhalts durch mindestens einen Inhaltsschlüssel
GB201309823D0 (en) * 2013-06-01 2013-07-17 Metroic Ltd Current measurement

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6112186A (ja) * 1984-06-28 1986-01-20 Toshiba Corp 暗号方式
US7171016B1 (en) * 1993-11-18 2007-01-30 Digimarc Corporation Method for monitoring internet dissemination of image, video and/or audio files
US5862260A (en) * 1993-11-18 1999-01-19 Digimarc Corporation Methods for surveying dissemination of proprietary empirical data
JP3850058B2 (ja) * 1994-12-13 2006-11-29 インターシア ソフトウェア エルエルシー 暗号鍵システム
US5943422A (en) * 1996-08-12 1999-08-24 Intertrust Technologies Corp. Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels
DE19521969C1 (de) * 1995-06-16 1997-02-27 Fraunhofer Ges Forschung Verfahren zur Markierung binär codierter Datensätze
JPH09205638A (ja) * 1995-11-24 1997-08-05 Hitachi Ltd データ送信方式および受信装置
CN1097957C (zh) * 1996-07-03 2003-01-01 摩托罗拉公司 用于基于边界的自适应熵编码/解码的方法和装置

Also Published As

Publication number Publication date
DE69837096T2 (de) 2007-10-25
HK1028514A1 (en) 2001-02-16
AU758116B2 (en) 2003-03-13
CY1106517T1 (el) 2012-01-25
JP4726299B2 (ja) 2011-07-20
EP1011269A1 (de) 2000-06-21
EP1011269B1 (de) 2007-02-14
CA2318133C (en) 2010-06-22
AU1971700A (en) 2000-06-26
JP2002532977A (ja) 2002-10-02
ZA200004010B (en) 2001-04-25
CA2318133A1 (en) 2000-06-15
CN1208967C (zh) 2005-06-29
ES2281120T3 (es) 2007-09-16
CN1290454A (zh) 2001-04-04
US7050588B1 (en) 2006-05-23
WO2000035198A1 (en) 2000-06-15
DE69837096D1 (de) 2007-03-29

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties