ATE423430T1 - Verfahren und vorrichtung zur erhöhung der effektivität eines videosignal-kopierschutzes - Google Patents

Verfahren und vorrichtung zur erhöhung der effektivität eines videosignal-kopierschutzes

Info

Publication number
ATE423430T1
ATE423430T1 AT01916594T AT01916594T ATE423430T1 AT E423430 T1 ATE423430 T1 AT E423430T1 AT 01916594 T AT01916594 T AT 01916594T AT 01916594 T AT01916594 T AT 01916594T AT E423430 T1 ATE423430 T1 AT E423430T1
Authority
AT
Austria
Prior art keywords
video signal
copy protection
attribute
scene content
scene
Prior art date
Application number
AT01916594T
Other languages
English (en)
Inventor
Ronald Quan
Original Assignee
Macrovision Corp
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 Macrovision Corp filed Critical Macrovision Corp
Application granted granted Critical
Publication of ATE423430T1 publication Critical patent/ATE423430T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91314—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a pulse signal inserted in blanking intervals of the video signal, e.g. pseudo-AGC pulses, pseudo-sync pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Optical Filters (AREA)
  • Developing Agents For Electrophotography (AREA)
AT01916594T 2000-03-29 2001-03-13 Verfahren und vorrichtung zur erhöhung der effektivität eines videosignal-kopierschutzes ATE423430T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/538,107 US6826352B1 (en) 2000-03-29 2000-03-29 Dynamic video copy protection system

Publications (1)

Publication Number Publication Date
ATE423430T1 true ATE423430T1 (de) 2009-03-15

Family

ID=24145522

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01916594T ATE423430T1 (de) 2000-03-29 2001-03-13 Verfahren und vorrichtung zur erhöhung der effektivität eines videosignal-kopierschutzes

Country Status (8)

Country Link
US (1) US6826352B1 (de)
EP (2) EP1269749B1 (de)
JP (1) JP4538179B2 (de)
AT (1) ATE423430T1 (de)
AU (1) AU2001243599A1 (de)
DE (1) DE60137684D1 (de)
TW (1) TW512629B (de)
WO (1) WO2001074068A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7050698B1 (en) * 2000-08-15 2006-05-23 Macrovision Corporation Method and apparatus for synthesizing or modifying a copy protection signal using a lowered signal level portion
EP1479021A4 (de) * 2002-02-08 2005-04-13 Trust Media Technology S P R L Verfahren zur personalisierung und identifizierung von übermittlungen
US20030159049A1 (en) * 2002-02-21 2003-08-21 Koninklijke Philips Electronics N.V. Copy-protection by alteration of control signals
EP1489589A4 (de) * 2002-03-04 2009-11-04 Sanyo Electric Co Organische elektrolumineszenzanzeige und ihre anwendung
GB2390247B (en) * 2002-06-28 2006-04-12 Dwight Cavendish Systems Ltd An improved method and apparatus for providing an anti-copy video signal
US7555125B2 (en) * 2003-08-14 2009-06-30 Broadcom Corporation Systems and methods for generation of time-dependent control signals for video signals
US7679629B2 (en) * 2003-08-15 2010-03-16 Broadcom Corporation Methods and systems for constraining a video signal
US7489362B2 (en) 2003-03-04 2009-02-10 Broadcom Corporation Television functionality on a chip
GB0312985D0 (en) * 2003-06-05 2003-07-09 Dwight Cavendish Systems Ltd Digital processing disruption systems
US7116374B2 (en) * 2003-08-26 2006-10-03 Koplar Interactive Systems International, L.L.C. Method and system for enhanced modulation of video signals
US7664175B1 (en) 2004-06-16 2010-02-16 Koplar Interactive Systems International, L.L.C. Mark-based content modulation and detection
GB2419220B (en) 2004-10-13 2009-06-03 Dwight Cavendish Systems Ltd Audio copy protection system
US20060093139A1 (en) * 2004-10-28 2006-05-04 Macrovision Corporation Defeat method and apparatus for content management for high definition television
US7792293B2 (en) * 2005-05-06 2010-09-07 Rovi Solutions Corporation Method and apparatus for modifying a subsequently generated control command in a content control system
JP4428298B2 (ja) * 2005-06-14 2010-03-10 セイコーエプソン株式会社 画像表示装置及びその制御方法
US7808557B2 (en) * 2006-06-23 2010-10-05 Rgb Systems, Inc. Method and apparatus for automatic reduction of noise in video transmitted over conductors
US7787057B2 (en) * 2006-08-22 2010-08-31 Rgb Systems, Inc. Method and apparatus for DC restoration using feedback
US20080309816A1 (en) * 2007-06-15 2008-12-18 Macrovision Corporation Television content control system and method with cross-platform capability
US8798133B2 (en) * 2007-11-29 2014-08-05 Koplar Interactive Systems International L.L.C. Dual channel encoding and detection
US20140267679A1 (en) * 2013-03-13 2014-09-18 Leco Corporation Indentation hardness test system having an autolearning shading corrector

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52114313A (en) 1976-03-23 1977-09-26 Sony Corp Recorded medium and production method therefor
US5130810A (en) 1983-11-23 1992-07-14 Macrovision Corporation Method and apparatus for processing a video signal so as to prohibit the making of acceptable videotape recordings
US4631603A (en) 1985-04-17 1986-12-23 Macrovision Method and apparatus for processing a video signal so as to prohibit the making of acceptable video tape recordings thereof
US4695901A (en) 1986-03-04 1987-09-22 Macrovision Method and apparatus for removing pseudo-sync and/or agc pulses from a video signal
NZ219575A (en) 1986-03-12 1990-04-26 Glaxo Group Ltd Phosphate, substituted alkoxy, or amino-carbonyloxy derivatives of milbemycin, and pesticidal compositions
US5134496A (en) * 1989-05-26 1992-07-28 Technicolor Videocassette Of Michigan Inc. Bilateral anti-copying device for video systems
JPH03125576U (de) * 1990-03-29 1991-12-18
JP3365569B2 (ja) * 1993-03-29 2003-01-14 株式会社東芝 クローズドキャプション受信装置
US5583936A (en) * 1993-05-17 1996-12-10 Macrovision Corporation Video copy protection process enhancement to introduce horizontal and vertical picture distortions
DE69702199T2 (de) * 1996-07-19 2001-02-22 Macrovision Corp., Sunnyvale Verfahren zur anpassungsfähigen steuerung der anwendung eines kopierschutzsignals
JP3549356B2 (ja) * 1997-03-06 2004-08-04 松下電器産業株式会社 映像輝度信号の階調補正装置
US6295360B1 (en) * 1997-06-30 2001-09-25 Macrovision Corporation Method and apparatus to defeat composite video signal protection
US6411713B1 (en) * 1997-07-16 2002-06-25 Macrovision Corporation Method of adaptive control of the presence of a copy protection signal

Also Published As

Publication number Publication date
JP4538179B2 (ja) 2010-09-08
TW512629B (en) 2002-12-01
US6826352B1 (en) 2004-11-30
EP1269749B1 (de) 2009-02-18
AU2001243599A1 (en) 2001-10-08
EP2053856A2 (de) 2009-04-29
EP1269749A1 (de) 2003-01-02
WO2001074068A1 (en) 2001-10-04
DE60137684D1 (de) 2009-04-02
EP2053856A3 (de) 2009-06-03
JP2003529295A (ja) 2003-09-30

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties