DE69708742D1 - Video-Kopierschutz - Google Patents

Video-Kopierschutz

Info

Publication number
DE69708742D1
DE69708742D1 DE69708742T DE69708742T DE69708742D1 DE 69708742 D1 DE69708742 D1 DE 69708742D1 DE 69708742 T DE69708742 T DE 69708742T DE 69708742 T DE69708742 T DE 69708742T DE 69708742 D1 DE69708742 D1 DE 69708742D1
Authority
DE
Germany
Prior art keywords
phase
modified
phase vector
signals
line
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69708742T
Other languages
English (en)
Other versions
DE69708742T2 (de
Inventor
Teruhiko Kori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of DE69708742D1 publication Critical patent/DE69708742D1/de
Application granted granted Critical
Publication of DE69708742T2 publication Critical patent/DE69708742T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • H04N2005/91321—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 copy protection control signal, e.g. a record inhibit signal
    • 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
    • H04N2005/91328—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 copy management signal, e.g. a copy generation management signal [CGMS]
    • 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
    • H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H04N2005/91371—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video color burst signal being modified
DE69708742T 1996-04-18 1997-04-14 Video-Kopierschutz Expired - Lifetime DE69708742T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12088796 1996-04-18
JP15012996A JP3694981B2 (ja) 1996-04-18 1996-05-22 ビデオ信号処理装置およびビデオ信号処理方法

Publications (2)

Publication Number Publication Date
DE69708742D1 true DE69708742D1 (de) 2002-01-17
DE69708742T2 DE69708742T2 (de) 2002-08-08

Family

ID=26458385

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69708742T Expired - Lifetime DE69708742T2 (de) 1996-04-18 1997-04-14 Video-Kopierschutz

Country Status (12)

Country Link
US (1) US5883959A (de)
EP (1) EP0802676B1 (de)
JP (1) JP3694981B2 (de)
KR (1) KR100491774B1 (de)
CN (1) CN1201597C (de)
AT (1) ATE210354T1 (de)
AU (1) AU715174B2 (de)
BR (1) BR9701846B1 (de)
DE (1) DE69708742T2 (de)
ES (1) ES2164989T3 (de)
ID (1) ID16830A (de)
MY (1) MY118767A (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6980653B1 (en) * 1995-07-21 2005-12-27 Sony Corporation Signal reproducing/recording/transmitting method and apparatus and signal record medium
CN1164113C (zh) * 1995-10-17 2004-08-25 麦克罗维西恩公司 在数字域去除视频信号中复制保护信号作用的方法和装置
EP0860823A4 (de) * 1996-07-15 2001-05-02 Toshiba Kk Gerat mit digitalem interface, netzwerksystem mit diesem gerat sowie kopierschutzverfahren
JPH10106146A (ja) * 1996-09-25 1998-04-24 Victor Co Of Japan Ltd ディスクの記録再生方法及び再生装置
JP3695016B2 (ja) * 1996-10-15 2005-09-14 ソニー株式会社 ビデオ信号処理装置及びビデオ信号処理方法
US6137952A (en) * 1998-04-02 2000-10-24 Hewlett-Packard Company Apparatus and method for degrading the quality of unauthorized copies of color images and video sequences
US6272283B1 (en) * 1998-04-22 2001-08-07 Neomagic Corp. Copy-protection for laptop PC by disabling TV-out while viewing protected video on PC display
US6587638B1 (en) * 1999-08-02 2003-07-01 Hitachi, Ltd. Recording/ reproducing apparatus and input/ output device
JP4727780B2 (ja) * 1999-09-03 2011-07-20 ソニー株式会社 再生装置、記録装置
US7324646B1 (en) 1999-10-29 2008-01-29 Sarnoff Corporation Method and apparatus for film anti-piracy
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
JP4596198B2 (ja) * 2000-08-25 2010-12-08 ソニー株式会社 情報処理装置および方法、並びに記録媒体
US7043019B2 (en) 2001-02-28 2006-05-09 Eastman Kodak Company Copy protection for digital motion picture image data
TW563363B (en) * 2001-11-08 2003-11-21 Hitachi Ltd Image information output device, image information receiving device, image information output method, and image information transmission method
US20040199780A1 (en) * 2002-03-22 2004-10-07 Heung-Chan Seung Copy-protected optical recording medium, a method for driving therefor and a method of manufacturing thereof
EP1489818B1 (de) * 2002-03-27 2010-03-10 Mitsubishi Denki Kabushiki Kaisha Kommunikationsvorrichtung und kommunikationsverfahren
US20040150794A1 (en) * 2003-01-30 2004-08-05 Eastman Kodak Company Projector with camcorder defeat
US7221759B2 (en) * 2003-03-27 2007-05-22 Eastman Kodak Company Projector with enhanced security camcorder defeat
US7693330B2 (en) * 2004-03-15 2010-04-06 Vincent So Anti-piracy image display methods and systems with sub-frame intensity compensation
US7634134B1 (en) 2004-03-15 2009-12-15 Vincent So Anti-piracy image display methods and systems
US20070014402A1 (en) * 2005-07-12 2007-01-18 Wen Huang Method to detect PAL colorstripe utilizing PAL switch with minimal logic
US20070217612A1 (en) * 2006-03-17 2007-09-20 Vincent So Method and system of key-coding a video
US8587668B2 (en) 2008-07-25 2013-11-19 Anvato, Inc. Method and apparatus for detecting near duplicate videos using perceptual video signatures
US8280049B2 (en) * 2008-08-27 2012-10-02 Rovi Solutions Corporation Method and apparatus for synthesizing copy protection for reducing/defeating the effectiveness or capability of a circumvention device
US10474745B1 (en) 2016-04-27 2019-11-12 Google Llc Systems and methods for a knowledge-based form creation platform
US11039181B1 (en) 2016-05-09 2021-06-15 Google Llc Method and apparatus for secure video manifest/playlist generation and playback
US10750248B1 (en) 2016-05-10 2020-08-18 Google Llc Method and apparatus for server-side content delivery network switching
US10785508B2 (en) 2016-05-10 2020-09-22 Google Llc System for measuring video playback events using a server generated manifest/playlist
US10750216B1 (en) 2016-05-10 2020-08-18 Google Llc Method and apparatus for providing peer-to-peer content delivery
US10771824B1 (en) 2016-05-10 2020-09-08 Google Llc System for managing video playback using a server generated manifest/playlist
US11069378B1 (en) 2016-05-10 2021-07-20 Google Llc Method and apparatus for frame accurate high resolution video editing in cloud using live video streams
US10595054B2 (en) 2016-05-10 2020-03-17 Google Llc Method and apparatus for a virtual online video channel
US11032588B2 (en) 2016-05-16 2021-06-08 Google Llc Method and apparatus for spatial enhanced adaptive bitrate live streaming for 360 degree video playback

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2924453A1 (de) * 1979-06-18 1981-01-15 Walter Ing Grad Breu Verfahren und einrichtung zur herstellung kopiersicher bespielter videokassetten
US5194965A (en) * 1983-11-23 1993-03-16 Macrovision Corporation Method and apparatus for disabling anti-copy protection system in video signals
US5146496A (en) * 1991-06-13 1992-09-08 General Instrument Corporation Method and apparatus for enhancing the security of a scrambled television signal
AU658014B2 (en) * 1991-11-19 1995-03-30 Macrovision Corporation Method and apparatus for scrambling and descrambling of video signals with edge fill
KR100266565B1 (ko) * 1993-03-22 2000-09-15 구자홍 가정용디브이씨알의복사방지시스템
US5661801A (en) * 1995-02-14 1997-08-26 Hsn Marketing Inc. Method and apparatus for stabilizing and brightening prerecorded TV signals encoded with copy protection
US5651065A (en) * 1995-03-09 1997-07-22 General Instrument Corporation Of Delaware Insertion of supplemental burst into video signals to thwart piracy and/or carry data
JP3624226B2 (ja) * 1995-05-09 2005-03-02 マクロビジョン コーポレーション ビデオ信号に対するカラーバースト変更の影響を無効にする方法及び装置

Also Published As

Publication number Publication date
AU1894397A (en) 1997-10-23
JPH104562A (ja) 1998-01-06
EP0802676A2 (de) 1997-10-22
BR9701846A (pt) 1998-08-11
US5883959A (en) 1999-03-16
CN1201597C (zh) 2005-05-11
AU715174B2 (en) 2000-01-20
ES2164989T3 (es) 2002-03-01
ID16830A (id) 1997-11-13
KR100491774B1 (ko) 2005-09-28
EP0802676B1 (de) 2001-12-05
JP3694981B2 (ja) 2005-09-14
BR9701846B1 (pt) 2010-11-03
ATE210354T1 (de) 2001-12-15
KR970071569A (ko) 1997-11-07
EP0802676A3 (de) 1998-01-28
DE69708742T2 (de) 2002-08-08
CN1171702A (zh) 1998-01-28
MY118767A (en) 2005-01-31

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