AU2002221200A1 - Method for manufacturing a record carrier as well as such a record carrier - Google Patents

Method for manufacturing a record carrier as well as such a record carrier

Info

Publication number
AU2002221200A1
AU2002221200A1 AU2002221200A AU2120002A AU2002221200A1 AU 2002221200 A1 AU2002221200 A1 AU 2002221200A1 AU 2002221200 A AU2002221200 A AU 2002221200A AU 2120002 A AU2120002 A AU 2120002A AU 2002221200 A1 AU2002221200 A1 AU 2002221200A1
Authority
AU
Australia
Prior art keywords
record carrier
manufacturing
well
record
carrier
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.)
Abandoned
Application number
AU2002221200A
Inventor
Arnoldus Johannes Maria VAN DER STAPPEN
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.)
OTB Group BV
Original Assignee
O T B Group BV
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 O T B Group BV filed Critical O T B Group BV
Publication of AU2002221200A1 publication Critical patent/AU2002221200A1/en
Abandoned legal-status Critical Current

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
    • G11B20/00579—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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H03M5/02—Conversion to or from representation by pulses
    • H03M5/04—Conversion to or from representation by pulses the pulses having two levels
    • H03M5/14—Code representation, e.g. transition, for a given bit cell depending on the information in one or more adjacent bit cells, e.g. delay modulation code, double density code
    • H03M5/145—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
    • 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
    • G11B2020/1457—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof wherein DC control is performed by calculating a digital sum value [DSV]
    • 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
    • G11B2020/1461—8 to 14 modulation, e.g. the EFM code used on CDs or mini-discs
    • 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
    • G11B2020/1469—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof modulation code with one or more merging bits between consecutive codewords

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
AU2002221200A 2000-11-09 2001-11-09 Method for manufacturing a record carrier as well as such a record carrier Abandoned AU2002221200A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL1016579A NL1016579C2 (en) 2000-11-09 2000-11-09 Method for manufacturing a record carrier as well as such a record carrier.
NL1016579 2000-11-09
PCT/NL2001/000816 WO2002039447A1 (en) 2000-11-09 2001-11-09 Method for manufacturing a record carrier as well as such a record carrier

Publications (1)

Publication Number Publication Date
AU2002221200A1 true AU2002221200A1 (en) 2002-05-21

Family

ID=19772368

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002221200A Abandoned AU2002221200A1 (en) 2000-11-09 2001-11-09 Method for manufacturing a record carrier as well as such a record carrier

Country Status (6)

Country Link
US (1) US7023785B2 (en)
EP (1) EP1334489A1 (en)
JP (1) JP2004513469A (en)
AU (1) AU2002221200A1 (en)
NL (1) NL1016579C2 (en)
WO (1) WO2002039447A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1429327A3 (en) 2002-12-13 2005-03-09 Sony DADC Austria AG Data recording method and data recording medium

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3467964B2 (en) * 1995-08-10 2003-11-17 ソニー株式会社 Data recording device and method, data reproducing device and method, recording medium, and data transmission method
US5699434A (en) * 1995-12-12 1997-12-16 Hewlett-Packard Company Method of inhibiting copying of digital data
KR100257538B1 (en) * 1997-07-14 2000-06-01 구자홍 Method for record and protect copy of optical disc
EP0918326B1 (en) * 1997-10-21 2001-09-19 Hewlett-Packard Company, A Delaware Corporation Method of inhibiting copying of digital data
TW538372B (en) * 1999-10-02 2003-06-21 Mediatek Inc Zero digital sum value control device and method

Also Published As

Publication number Publication date
US7023785B2 (en) 2006-04-04
NL1016579C2 (en) 2002-05-14
EP1334489A1 (en) 2003-08-13
JP2004513469A (en) 2004-04-30
US20040057367A1 (en) 2004-03-25
WO2002039447A1 (en) 2002-05-16

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