EG22467A - System for copy protection of recorded information - Google Patents

System for copy protection of recorded information

Info

Publication number
EG22467A
EG22467A EG123299A EG123299A EG22467A EG 22467 A EG22467 A EG 22467A EG 123299 A EG123299 A EG 123299A EG 123299 A EG123299 A EG 123299A EG 22467 A EG22467 A EG 22467A
Authority
EG
Egypt
Prior art keywords
recorded information
copy protection
copy
protection
recorded
Prior art date
Application number
EG123299A
Other languages
English (en)
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of EG22467A publication Critical patent/EG22467A/xx

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
    • G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
    • G11B20/00615—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the logical format of the recording medium, e.g. the structure of sectors, blocks, or frames
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • 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
    • 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
    • G11B20/00884—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2545—CDs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Storage Device Security (AREA)
EG123299A 1998-10-05 1999-10-03 System for copy protection of recorded information EG22467A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98203340 1998-10-05

Publications (1)

Publication Number Publication Date
EG22467A true EG22467A (en) 2003-02-26

Family

ID=8234181

Family Applications (1)

Application Number Title Priority Date Filing Date
EG123299A EG22467A (en) 1998-10-05 1999-10-03 System for copy protection of recorded information

Country Status (23)

Country Link
US (2) US6580682B1 (pt)
EP (1) EP1046163B1 (pt)
JP (1) JP4130867B2 (pt)
KR (1) KR100583355B1 (pt)
CN (2) CN1494080A (pt)
AR (1) AR020713A1 (pt)
AU (1) AU6082799A (pt)
BR (1) BR9907778B1 (pt)
CZ (1) CZ301303B6 (pt)
DE (1) DE69935124T2 (pt)
EG (1) EG22467A (pt)
ES (1) ES2281190T3 (pt)
HU (1) HU225000B1 (pt)
IL (1) IL136531A (pt)
MY (1) MY123433A (pt)
PL (1) PL209566B1 (pt)
PT (1) PT1046163E (pt)
RU (1) RU2229173C2 (pt)
TR (1) TR200002369T1 (pt)
TW (1) TW452766B (pt)
UA (1) UA67759C2 (pt)
WO (1) WO2000021085A1 (pt)
ZA (1) ZA200002773B (pt)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100580538B1 (ko) * 1996-11-18 2006-11-30 코닌클리케 필립스 일렉트로닉스 엔.브이. 기록장치,기록매체및복수의정보블록을기록하는방법과복수의정보블록을판독하는판독장치
US6988206B1 (en) 1998-10-20 2006-01-17 Macrovision Europe Limited Prevention of CD-audio piracy using sub-code channels
IL138671A (en) * 1999-01-27 2005-12-18 Koninkl Philips Electronics Nv Record carrier, playback device and method of recording information
WO2000055861A1 (en) * 1999-03-15 2000-09-21 Koninklijke Philips Electronics N.V. A method and system for providing copy-protection on a storage medium and storage medium for use in such a system
JP2001023351A (ja) * 1999-07-09 2001-01-26 Hitachi Maxell Ltd 光ディスク及び光ディスク駆動装置
JP2001216357A (ja) * 2000-02-01 2001-08-10 Toshiba Corp ソフトウェアのライセンス管理方法および電子機器並びに記録媒体
GB0003530D0 (en) * 2000-02-15 2000-04-05 Dilla Limited C The copy protection of digital audio compact discs
AU781208B2 (en) * 2000-04-14 2005-05-12 Rovi Europe Limited Prevention of CD-audio piracy using sub-code channels
US7356142B1 (en) * 2000-05-10 2008-04-08 Macrovision Corporation Secure compact disk and player
US6842522B1 (en) * 2000-06-01 2005-01-11 Macrovision Corporation Secure digital video disk and player
DE10035311C2 (de) * 2000-07-18 2003-06-18 Docdata Germany Gmbh Compact Disc mit einem einen Kopiervorgang störenden Bereich
DE10035955A1 (de) * 2000-07-21 2002-01-31 Thomson Brandt Gmbh Verfahren zum Identifizieren eines reservierten Datenbereichs sowie entsprechendes Gerät
US20070143863A1 (en) * 2000-08-16 2007-06-21 Matsushita Electric Industrial Co., Ltd. Copy-resistant read-only digital optical disc and adaptable player
KR100809495B1 (ko) * 2000-08-24 2008-03-04 코닌클리케 필립스 일렉트로닉스 엔.브이. 기록매체와, 기록매체 상의 정보를 보호하는 시스템, 기록매체를 판독하는 판독장치 및, 기록매체 상의 정보를 보호하는 집적회로
JP3847557B2 (ja) * 2000-12-22 2006-11-22 シャープ株式会社 再生装置
TWI222583B (en) * 2001-04-13 2004-10-21 Matsushita Electric Ind Co Ltd Contents recording/duplicating device and recording media storing program for recording/duplicating contents
US20030018907A1 (en) * 2001-07-17 2003-01-23 Imation Corp. Content protection for digital media
US7372964B2 (en) * 2001-10-10 2008-05-13 Kabushiki Kaisha Toshiba Method and apparatus for recording information including secret information and method and apparatus for reproduction thereof
US20030088773A1 (en) * 2001-11-07 2003-05-08 Koninklijke Philips Electronics N. V. Method of and apparatus for preventing illicit copying of digital content
US6952479B2 (en) 2001-11-27 2005-10-04 Macrovision Europe Limited Dynamic copy protection of optical media
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
WO2003081590A1 (en) * 2002-03-22 2003-10-02 Settec, Inc. A copy-protected optical recording medium, a method for driving thereof and a method for manufacturing thereof
WO2003081591A1 (en) * 2002-03-26 2003-10-02 Settec, Inc. A copy-protected optical recording medium and a method for manufacturing thereof
JP2005523657A (ja) * 2002-04-19 2005-08-04 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ コンディショナル・アクセス・システム及び装置
JP2004005842A (ja) * 2002-05-31 2004-01-08 Ricoh Co Ltd 記録方法、記録媒体、プログラム及び情報記録媒体、並びに情報記録装置
KR100915875B1 (ko) * 2002-06-05 2009-09-07 엘지전자 주식회사 고밀도 재생 전용 광디스크와, 그 광디스크의 암호화 기록및 재생방법
EP1516488B1 (en) * 2002-06-12 2009-05-13 Irdeto Eindhoven B.V. Conditional access apparatus and method
JP4239139B2 (ja) * 2002-06-13 2009-03-18 日本ビクター株式会社 ディスク
CN1662980B (zh) * 2002-06-18 2011-07-13 皇家飞利浦电子股份有限公司 用于安全存储的系统
JP2005531880A (ja) * 2002-07-02 2005-10-20 エルジー エレクトロニクス インコーポレーテッド 高密度光ディスク及びそのディスクの光ディスク装置による再生を制限する方法
JP4319984B2 (ja) 2002-09-02 2009-08-26 セッテック インコーポレイテッド 記録媒体複製用の複製装置、その方法、及びそのコンピュータプログラム
KR100739672B1 (ko) 2002-09-10 2007-07-13 삼성전자주식회사 광정보 저장매체 및 데이터의 재생 방법
CA2487406C (en) 2003-01-23 2012-02-21 Lg Electronics Inc. Recording medium with copy protection information formed in intermittent or alternate wobbled pits and apparatus and methods for forming, recording, and reproducing the recording medium
JP4415007B2 (ja) 2003-02-20 2010-02-17 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ アクセス情報及びダミー情報を有する情報担体
JP2004303315A (ja) * 2003-03-31 2004-10-28 Funai Electric Co Ltd Ｄｖｄ機器および所定情報記録方法
GB2402802B (en) * 2003-06-09 2007-05-30 First 4 Internet Ltd Copy protection system for data carriers
KR100953637B1 (ko) * 2003-07-07 2010-04-20 엘지전자 주식회사 광디스크 및 광디스크의 디스크정보 기록방법
DK1652178T3 (da) * 2003-07-07 2009-08-24 Lg Electronics Inc Registreringsmedium, fremgangsmåde til konfigurering af styreinformation deraf, fremgangsmåde til registrering eller reproduktion af data under anvendelse af samme og apparat dertil
DK1760702T3 (da) 2003-08-14 2010-06-21 Lg Electronics Inc Optagemedium, fremgangsmåde til konfigurering af styreinformation derfor, fremgangsmåde til at optage og reproducere ved brug af samme, og apparat dertil
JP4610607B2 (ja) 2004-03-18 2011-01-12 エルジー エレクトロニクス インコーポレイティド 記録媒体へ／からデータを記録／再生するための方法および装置
TWI386923B (zh) * 2004-03-18 2013-02-21 Lg Electronics Inc 其上具有區塊資訊之記錄媒體和用以形成、記錄及重製記錄媒體之設備和方法
US7480764B2 (en) * 2004-03-18 2009-01-20 Lg Electronics, Inc. Recording medium with overlapping segment information thereon and apparatus and methods for forming, recording, and reproducing the recording medium
US7970988B2 (en) * 2004-03-19 2011-06-28 Lg Electronics Inc. Recording medium with status information thereon which changes upon reformatting and apparatus and methods for forming, recording, and reproducing the recording medium
KR101057060B1 (ko) * 2004-03-19 2011-08-16 엘지전자 주식회사 엑세스 제어정보를 포함하는 기록매체, 기록매체에 데이터를 기록/재생하는 방법 및 장치
US7663990B2 (en) * 2004-05-21 2010-02-16 Samsung Electronics Co., Ltd. Optical recording medium having access control area and method for recording or reproducing thereof
KR100589919B1 (ko) * 2004-10-26 2006-06-14 쎄텍 주식회사 복제 방지된 기록 매체
JP3859163B2 (ja) * 2004-11-17 2006-12-20 ソニー株式会社 記録装置および記録方法、再生装置および再生方法、並びにプログラム
WO2007046049A1 (en) * 2005-10-17 2007-04-26 Koninklijke Philips Electronics N.V. Method and device for calculating a similarity metric between a first feature vector and a second feature vector
PL1855286T3 (pl) 2006-05-12 2009-05-29 Cda Gmbh Optyczny nośnik danych z etykietką RFID
US8695103B2 (en) * 2007-03-07 2014-04-08 Rovi Solutions Corporation Apparatus for and a method of copy-protecting a content carrying recording medium
US8375461B2 (en) * 2007-03-14 2013-02-12 Rovi Solutions Corporation Apparatus for and a method of copy-protecting a content carrying recording medium
KR20090090590A (ko) * 2008-02-21 2009-08-26 엘지전자 주식회사 기록매체, 데이터 기록방법 및 기록장치
US20090217388A1 (en) * 2008-02-27 2009-08-27 Macrovision Corporation Apparatus for and a method of copy-protecting a content carrying recording medium
EP2166539A1 (en) * 2008-09-23 2010-03-24 Thomson Licensing Method using coding information for data on a storage medium, and corresponding storage medium
US20100214893A1 (en) * 2009-02-25 2010-08-26 Aylward Adrian R Copy protection using complexity and uncomputability
CN110660421B (zh) * 2018-06-29 2021-11-23 上海磁宇信息科技有限公司 一种带纠错和压缩电路的磁性随机存储器

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61178732A (ja) * 1985-02-04 1986-08-11 Matsushita Electric Ind Co Ltd 光デイスクの複製防止装置
US4849836A (en) * 1985-06-07 1989-07-18 Software Heaven, Inc. Copy protection for computer discs
JPH0754613B2 (ja) * 1986-07-21 1995-06-07 松下電器産業株式会社 光デイスクのコピ−防止方法
JP2771808B2 (ja) * 1986-12-27 1998-07-02 ソニー株式会社 記録媒体
NL8701632A (nl) * 1987-07-10 1989-02-01 Philips Nv Systeem voor het optekenen en/of uitlezen van een informatiesignaal, een registratiedrager, een opteken en/of uitleesinrichting voor toepassing in een dergelijk systeem, en een inrichting en werkwijze voor het vervaardigen van een dergelijke registratiedrager.
NL8801275A (nl) * 1988-05-18 1989-12-18 Philips Nv Optekensysteem alsmede registratiedrager en schrijfinrichting voor toepassing in het systeem.
AR247311A1 (es) * 1989-09-21 1994-11-30 Philips Nv Portador de grabacion, metodo y dispositivo grabador de informacion para obtener dichos portadores y dispositivo que comprende medios de anticopiado para inhibir el copiado no autorizado
DE69230168T2 (de) 1991-12-02 2000-04-20 Koninklijke Philips Electronics N.V. Geschlossenes Informationssystem mit Kopierschutz
JP2776209B2 (ja) * 1993-07-22 1998-07-16 日本ビクター株式会社 光ディスク及び情報記録再生装置
TW241360B (pt) * 1993-07-29 1995-02-21 Nippon Pickter Kk
TW309612B (pt) * 1994-09-22 1997-07-01 Nippon Bickter Kk
US5644444A (en) * 1995-03-10 1997-07-01 Iomega Corporation Read/write protect scheme for a disk cartridge and drive
JP3284296B2 (ja) * 1995-06-27 2002-05-20 富士通株式会社 光記録媒体及びその記録再生方法
JP2969256B2 (ja) * 1995-09-22 1999-11-02 富士通株式会社 光記録媒体及びその再生方法
JPH09106625A (ja) * 1995-10-06 1997-04-22 Victor Co Of Japan Ltd 光記録媒体及びその再生装置
US5809006A (en) * 1996-05-31 1998-09-15 Cagent Technologies, Inc. Optical disk with copy protection, and apparatus and method for recording and reproducing same
ATE354164T1 (de) * 1996-07-24 2007-03-15 Koninkl Philips Electronics Nv Verbesserungen an optisch lesbaren platten und plattenaufzeichnungsgerät
US6269338B1 (en) 1996-10-10 2001-07-31 U.S. Philips Corporation Data compression and expansion of an audio signal
US5886979A (en) * 1996-10-21 1999-03-23 Fujitsu Limitd Information recording medium and method for recording and reproducing information to a medium to prevent unauthorized copying
CN1482542A (zh) 1997-01-27 2004-03-17 �ʼҷ����ֵ������޹�˾ 传递内容信息和与其相关的附加信息的方法和系统
TW408319B (en) * 1997-08-20 2000-10-11 Sanyo Electric Co Optical discs and optical disc readout units
JP4333069B2 (ja) * 1999-11-16 2009-09-16 ソニー株式会社 データ再生方法および装置
JP4898071B2 (ja) * 2000-07-07 2012-03-14 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 記録担体、再生装置、並びに記録担体および再生装置を有する情報システム
JP4880140B2 (ja) * 2001-09-07 2012-02-22 任天堂株式会社 光ディスクならびに光ディスク再生装置および記録装置
EP1739670A1 (en) * 2005-06-29 2007-01-03 Sony DADC Austria AG Optical data carrier

Also Published As

Publication number Publication date
BR9907778B1 (pt) 2012-01-24
UA67759C2 (uk) 2004-07-15
US7792001B2 (en) 2010-09-07
JP2002527847A (ja) 2002-08-27
ZA200002773B (en) 2001-06-04
KR20010032736A (ko) 2001-04-25
DE69935124T2 (de) 2007-11-22
PT1046163E (pt) 2007-05-31
IL136531A0 (en) 2001-06-14
MY123433A (en) 2006-05-31
US20030185130A1 (en) 2003-10-02
CZ20002071A3 (cs) 2000-11-15
HU225000B1 (en) 2006-05-29
CN1494080A (zh) 2004-05-05
KR100583355B1 (ko) 2006-05-25
TW452766B (en) 2001-09-01
EP1046163A1 (en) 2000-10-25
IL136531A (en) 2004-02-08
ES2281190T3 (es) 2007-09-16
HUP0100222A3 (en) 2003-04-28
TR200002369T1 (tr) 2001-01-22
AU6082799A (en) 2000-04-26
AR020713A1 (es) 2002-05-22
RU2229173C2 (ru) 2004-05-20
HUP0100222A2 (hu) 2001-05-28
EP1046163B1 (en) 2007-02-14
WO2000021085A1 (en) 2000-04-13
CZ301303B6 (cs) 2010-01-06
PL209566B1 (pl) 2011-09-30
BR9907778A (pt) 2000-10-10
JP4130867B2 (ja) 2008-08-06
DE69935124D1 (de) 2007-03-29
PL340923A1 (en) 2001-03-12
CN1192379C (zh) 2005-03-09
US6580682B1 (en) 2003-06-17
CN1290395A (zh) 2001-04-04

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