TW200603094A - Record carrier identification using asymmetry modulation - Google Patents

Record carrier identification using asymmetry modulation

Info

Publication number
TW200603094A
TW200603094A TW094105246A TW94105246A TW200603094A TW 200603094 A TW200603094 A TW 200603094A TW 094105246 A TW094105246 A TW 094105246A TW 94105246 A TW94105246 A TW 94105246A TW 200603094 A TW200603094 A TW 200603094A
Authority
TW
Taiwan
Prior art keywords
record carrier
asymmetry
carrier identification
asymmetry modulation
modulation
Prior art date
Application number
TW094105246A
Other languages
English (en)
Inventor
Josephus Arnoldus Henricus Maria Kahlman
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
Publication of TW200603094A publication Critical patent/TW200603094A/zh

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
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • 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
    • G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
    • G11B20/00579—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 data encoding, e.g., modulation schemes violating run-length constraints, causing excessive DC content, or involving uncommon codewords or sync patterns
    • 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
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • G11B2020/1453—17PP modulation, i.e. the parity preserving RLL(1,7) code with rate 2/3 used on Blu-Ray discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
TW094105246A 2004-02-25 2005-02-22 Record carrier identification using asymmetry modulation TW200603094A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04100739 2004-02-25

Publications (1)

Publication Number Publication Date
TW200603094A true TW200603094A (en) 2006-01-16

Family

ID=34917192

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094105246A TW200603094A (en) 2004-02-25 2005-02-22 Record carrier identification using asymmetry modulation

Country Status (7)

Country Link
US (2) US20070147202A1 (zh)
EP (1) EP1721317A1 (zh)
JP (1) JP2007524183A (zh)
KR (1) KR20070003876A (zh)
CN (1) CN1922678A (zh)
TW (1) TW200603094A (zh)
WO (1) WO2005086157A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US7701825B2 (en) * 2005-06-17 2010-04-20 Macrovision Corporation Apparatus for and a method of authenticating recording media
JP2009517788A (ja) * 2005-11-29 2009-04-30 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 コピー保護手段を有する記録担体
JP4574587B2 (ja) * 2006-03-15 2010-11-04 太陽誘電株式会社 光記録媒体の識別方法及びその装置
WO2009027913A1 (en) * 2007-08-31 2009-03-05 Koninklijke Philips Electronics N.V. An optical disc comprising a watermark and a method and recorder for recording such a disc

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4717208B2 (ja) * 1998-02-27 2011-07-06 ダグ カーソン アンド アソシエーツ，インク． 光ディスクマスタ作成プロセスにおけるピットおよびランド遷移ロケーションの個別調整方法、およびそのための最適化回路
AU4407199A (en) * 1998-05-20 1999-12-06 Recording Industry Association Of America Copy protection method using broken modulation rules
JP3847557B2 (ja) * 2000-12-22 2006-11-22 シャープ株式会社 再生装置
CN101030425A (zh) * 2001-02-19 2007-09-05 皇家菲利浦电子有限公司 嵌入和检测辅助信号的方法和装置及其记录和重放装置

Also Published As

Publication number Publication date
US20090219796A1 (en) 2009-09-03
KR20070003876A (ko) 2007-01-05
CN1922678A (zh) 2007-02-28
EP1721317A1 (en) 2006-11-15
US20070147202A1 (en) 2007-06-28
WO2005086157A1 (en) 2005-09-15
JP2007524183A (ja) 2007-08-23

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