HK1024090A1 - Method and apparatus for information recording, apparatus for reproducing and method for information protection - Google Patents

Method and apparatus for information recording, apparatus for reproducing and method for information protection

Info

Publication number
HK1024090A1
HK1024090A1 HK00103176A HK00103176A HK1024090A1 HK 1024090 A1 HK1024090 A1 HK 1024090A1 HK 00103176 A HK00103176 A HK 00103176A HK 00103176 A HK00103176 A HK 00103176A HK 1024090 A1 HK1024090 A1 HK 1024090A1
Authority
HK
Hong Kong
Prior art keywords
reproducing
information
information recording
protection
information protection
Prior art date
Application number
HK00103176A
Other languages
English (en)
Inventor
Atsumi Hirata
Hideo Suzuki
Original Assignee
Victor Company Of Japan
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
Priority claimed from JP10266715A external-priority patent/JP2000100068A/ja
Priority claimed from JP10280236A external-priority patent/JP2000113586A/ja
Application filed by Victor Company Of Japan filed Critical Victor Company Of Japan
Publication of HK1024090A1 publication Critical patent/HK1024090A1/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
    • 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
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • 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
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Storage Device Security (AREA)
HK00103176A 1998-09-21 2000-05-29 Method and apparatus for information recording, apparatus for reproducing and method for information protection HK1024090A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10266715A JP2000100068A (ja) 1998-09-21 1998-09-21 情報記録方法、その装置、情報再生装置、情報保護方法及び情報記録媒体
JP10280236A JP2000113586A (ja) 1998-10-01 1998-10-01 情報保護方法及び情報を保護するための情報記録媒体

Publications (1)

Publication Number Publication Date
HK1024090A1 true HK1024090A1 (en) 2000-09-29

Family

ID=26547567

Family Applications (1)

Application Number Title Priority Date Filing Date
HK00103176A HK1024090A1 (en) 1998-09-21 2000-05-29 Method and apparatus for information recording, apparatus for reproducing and method for information protection

Country Status (3)

Country Link
EP (1) EP0989553A3 (xx)
CN (2) CN1112695C (xx)
HK (1) HK1024090A1 (xx)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60011958T2 (de) * 1999-04-28 2005-08-25 Matsushita Electric Industrial Co., Ltd., Kadoma Optische Platte, optisches Plattenaufzeichnungs- und wiedergabegerät, und Verfahren zur Aufzeichnung und Wiedergabe
JP2001283320A (ja) * 2000-03-31 2001-10-12 Sony Corp 情報販売装置および方法、並びにプログラム格納媒体
JP2001307424A (ja) * 2000-04-21 2001-11-02 Pioneer Electronic Corp 情報記録装置及び方法、情報再生装置及び方法並びに情報記録媒体
EP1291869B1 (en) 2000-05-19 2007-07-11 Matsushita Electric Industrial Co., Ltd. Data recording medium and reproducing apparatus thereof
JP2002057997A (ja) * 2000-06-01 2002-02-22 Sony Corp コンテンツデータ、データ記録媒体、データ記録方法及び装置、データ再生方法及び装置、データ送信方法及び装置、データ受信方法及び装置
TWI239447B (en) * 2000-06-02 2005-09-11 Koninkl Philips Electronics Nv Recordable storage medium with protected data area
JP2002150675A (ja) * 2000-11-06 2002-05-24 Sony Corp 記録装置及び方法、再生装置及び方法、並びに記憶媒体
JP4300705B2 (ja) * 2000-12-05 2009-07-22 ソニー株式会社 データ転送システム、データ転送装置、データ転送方法、記録媒体
WO2003015088A1 (en) * 2001-08-10 2003-02-20 Durand Technology Limited Method of authenticating cds
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
CN100416687C (zh) * 2002-06-20 2008-09-03 皇家飞利浦电子股份有限公司 保护用户信息不受操控的方法和装置
JPWO2005036302A1 (ja) * 2003-10-10 2006-12-21 株式会社アリコーポレーション 情報保護システム、それに使用する記憶媒体及び記憶媒体収納ケース
JP5210723B2 (ja) 2008-06-19 2013-06-12 株式会社日立製作所 再生装置
JP4927974B2 (ja) * 2010-06-29 2012-05-09 シャープ株式会社 情報再生装置
CN108989288B (zh) * 2018-06-20 2021-02-09 佛山科学技术学院 一种基于区块链的移动数字版权保护方法及装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0490268A (ja) * 1990-08-01 1992-03-24 Hitachi Ltd 画像信号復号化方式
JP3341291B2 (ja) * 1991-11-22 2002-11-05 ソニー株式会社 受信装置
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
JPH0917119A (ja) * 1995-06-30 1997-01-17 Sony Corp データ記録媒体、データ記録方法及びデータ再生方法
US6516064B1 (en) * 1995-07-25 2003-02-04 Sony Corporation Signal recording apparatus, signal record medium and signal reproducing apparatus
JP3093678B2 (ja) * 1996-06-28 2000-10-03 株式会社東芝 暗号化方法、復号方法、記録再生装置、復号装置、復号化ユニット装置及び記録媒体の製造方法
TW408290B (en) * 1997-12-29 2000-10-11 Samsung Electronics Co Ltd Method and apparatus for protecting copyright of digital recording medium and copyright protected digital recording medium
US6587948B1 (en) * 1998-02-13 2003-07-01 Sony Corporation Recording apparatus, recording medium, playback apparatus, recording method and playback method

Also Published As

Publication number Publication date
CN1112695C (zh) 2003-06-25
CN1477630A (zh) 2004-02-25
EP0989553A2 (en) 2000-03-29
EP0989553A3 (en) 2001-04-25
CN1248768A (zh) 2000-03-29

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20090916