ATE96933T1 - Verfahren und geraet zur verhinderung des kopierens eines video-programms. - Google Patents

Verfahren und geraet zur verhinderung des kopierens eines video-programms.

Info

Publication number
ATE96933T1
ATE96933T1 AT87306898T AT87306898T ATE96933T1 AT E96933 T1 ATE96933 T1 AT E96933T1 AT 87306898 T AT87306898 T AT 87306898T AT 87306898 T AT87306898 T AT 87306898T AT E96933 T1 ATE96933 T1 AT E96933T1
Authority
AT
Austria
Prior art keywords
signal
modified
blanking interval
modified signal
sync
Prior art date
Application number
AT87306898T
Other languages
English (en)
Inventor
John O Ryan
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27129101&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE96933(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Macrovision Corp filed Critical Macrovision Corp
Application granted granted Critical
Publication of ATE96933T1 publication Critical patent/ATE96933T1/de

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00681—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access
    • G11B20/00702—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access said measures preventing that data are recorded on the recording medium
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/022—Electronic editing of analogue information signals, e.g. audio or video signals
    • G11B27/028—Electronic editing of analogue information signals, e.g. audio or video signals with computer assistance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/40—Combinations of multiple record carriers
    • G11B2220/45—Hierarchical combination of record carriers, e.g. HDD for fast access, optical discs for long term storage or tapes for backup
    • G11B2220/455—Hierarchical combination of record carriers, e.g. HDD for fast access, optical discs for long term storage or tapes for backup said record carriers being in one device and being used as primary and secondary/backup media, e.g. HDD-DVD combo device, or as source and target media, e.g. PC and portable player
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
    • G11B2220/91—Helical scan format, wherein tracks are slightly tilted with respect to tape direction, e.g. VHS, DAT, DVC, AIT or exabyte
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/022—Electronic editing of analogue information signals, e.g. audio or video signals
    • G11B27/024—Electronic editing of analogue information signals, e.g. audio or video signals on tapes
    • 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)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • General Engineering & Computer Science (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Facsimiles In General (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Storage Device Security (AREA)
AT87306898T 1986-08-11 1987-08-04 Verfahren und geraet zur verhinderung des kopierens eines video-programms. ATE96933T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US89504586A 1986-08-11 1986-08-11
US92068486A 1986-10-17 1986-10-17
EP87306898A EP0256753B2 (de) 1986-08-11 1987-08-04 Verfahren und Gerät zur Verhinderung des Kopierens eines Video-Programms

Publications (1)

Publication Number Publication Date
ATE96933T1 true ATE96933T1 (de) 1993-11-15

Family

ID=27129101

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87306898T ATE96933T1 (de) 1986-08-11 1987-08-04 Verfahren und geraet zur verhinderung des kopierens eines video-programms.

Country Status (8)

Country Link
EP (1) EP0256753B2 (de)
JP (1) JP2881432B2 (de)
KR (1) KR930008167B1 (de)
AT (1) ATE96933T1 (de)
DE (1) DE3788020T3 (de)
ES (1) ES2044937T5 (de)
HK (1) HK1008109A1 (de)
IE (1) IE62247B1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5194965A (en) * 1983-11-23 1993-03-16 Macrovision Corporation Method and apparatus for disabling anti-copy protection system in video signals
US4937679A (en) * 1986-08-11 1990-06-26 Macrovision Dual deck video recording apparatus having enhanced copy protection and method for providing enhanced copy protection to such a recording apparatus
EP0297242B1 (de) * 1987-06-30 1994-07-06 Kabushiki Kaisha Toshiba System und Verfahren zur Aufnahme/Wiedergabe mit Aufnahmebeschränkungsfunktion
JP2825258B2 (ja) * 1989-03-13 1998-11-18 株式会社東芝 ダビング制御装置
US5134496A (en) * 1989-05-26 1992-07-28 Technicolor Videocassette Of Michigan Inc. Bilateral anti-copying device for video systems
KR930006520B1 (ko) * 1991-04-19 1993-07-16 삼성전자 주식회사 복사방지 시스템
US5177618A (en) * 1990-06-29 1993-01-05 Go-Video, Inc. Dual deck vcr and duplicating circuit therefor
JP3038867B2 (ja) * 1990-10-05 2000-05-08 ソニー株式会社 テレビ受像機
JP3084796B2 (ja) * 1991-06-14 2000-09-04 ソニー株式会社 映像信号処理装置
JPH0644755A (ja) * 1992-07-24 1994-02-18 Sony Corp ビデオ信号の伝送方法及び記録装置
JP3217137B2 (ja) * 1992-07-28 2001-10-09 株式会社日立製作所 映像信号記録装置、再生装置及び伝送装置
US5315448A (en) * 1993-03-18 1994-05-24 Macrovision Corporation Copy protection for hybrid digital video tape recording and unprotected source material
JP3371187B2 (ja) * 1995-12-04 2003-01-27 ソニー株式会社 情報信号記録装置および方法、並びに情報信号複製装置および方法
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
CA2283849C (en) * 1997-03-21 2002-12-10 Macrovision Corporation Method and apparatus for detecting modified color burst signals to prevent the copying of a video program
TW440819B (en) 1998-03-18 2001-06-16 Koninkl Philips Electronics Nv Copy protection schemes for copy protected digital material
CN100356475C (zh) 1999-02-26 2007-12-19 日本胜利株式会社 信息重放方法
JP2006115179A (ja) * 2004-10-14 2006-04-27 Mitsubishi Electric Corp 映像監視システム

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030128A (en) * 1974-11-21 1977-06-14 Bell & Howell Company Video record scrambling and unscrambling
JPS5292108A (en) * 1976-01-30 1977-08-03 Hitachi Metals Ltd Axial sliding blade type liquid rotor
JPS52114313A (en) * 1976-03-23 1977-09-26 Sony Corp Recorded medium and production method therefor
JPS6053512B2 (ja) * 1976-04-30 1985-11-26 ソニー株式会社 記録済み記録媒体
GB2104701B (en) * 1981-08-06 1985-06-05 James Bertram King Method and apparatus for preventing unauthorised recording of source material (eg, a gramophone recording)
FR2540659A1 (fr) * 1983-02-09 1984-08-10 Sisex Dispositif de protection de bandes magnetiques, ou autres supports d'enregistrement, ou d'emission de television ou de radio contre la lecture et/ou la reproduction non autorisees
WO1985002293A1 (fr) * 1983-11-21 1985-05-23 Haute Securite Video Hsv S.A. Procede et dispositif anti-piraterie pour supports d'images cinematographiques et video
JPS61288672A (ja) * 1985-06-17 1986-12-18 Matsushita Electric Ind Co Ltd 映像信号の記録再生装置

Also Published As

Publication number Publication date
DE3788020T2 (de) 1994-03-03
EP0256753B1 (de) 1993-11-03
EP0256753A3 (en) 1988-08-24
ES2044937T5 (es) 1997-01-01
IE872128L (en) 1988-02-11
KR890002865A (ko) 1989-04-11
EP0256753A2 (de) 1988-02-24
EP0256753B2 (de) 1996-08-28
KR930008167B1 (ko) 1993-08-26
DE3788020D1 (de) 1993-12-09
HK1008109A1 (en) 1999-04-30
ES2044937T3 (es) 1994-01-16
JPS63107281A (ja) 1988-05-12
DE3788020T3 (de) 1997-04-10
IE62247B1 (en) 1995-01-11
JP2881432B2 (ja) 1999-04-12

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Legal Events

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