BR0300871A - Método de gravação - Google Patents

Método de gravação

Info

Publication number
BR0300871A
BR0300871A BR0300871-1A BR0300871A BR0300871A BR 0300871 A BR0300871 A BR 0300871A BR 0300871 A BR0300871 A BR 0300871A BR 0300871 A BR0300871 A BR 0300871A
Authority
BR
Brazil
Prior art keywords
storage medium
unique information
recording method
data
recorded
Prior art date
Application number
BR0300871-1A
Other languages
English (en)
Inventor
Masato Hattori
Seiji Ohbi
Takashi Kawakami
Manabu Kii
Original Assignee
Sony 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
Application filed by Sony Corp filed Critical Sony Corp
Publication of BR0300871A publication Critical patent/BR0300871A/pt

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10595—Control of operating function
    • G11B11/10597—Adaptations for transducing various formats on the same or different carriers
    • 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
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    • G—PHYSICS
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    • 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
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G11B20/00115—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers wherein the record carrier stores a unique medium identifier
    • G—PHYSICS
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    • 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
    • G11B20/00217—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
    • G11B20/00253—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier
    • G11B20/00297—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier the key being stored in a management area, e.g. the video manager [VMG] of a DVD
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    • G11B20/00333—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier the key being stored in header data, e.g. in sector headers
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    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10502—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed
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Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Pure & Applied Mathematics (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)

Abstract

"MéTODO DE GRAVAçãO". Um método de gravação inclui as etapas de detectação se informação exclusiva esta gravada em um meio de armazenamento fora de uma área predeterminada gerenciada Poe um dado de gerenciamento que gerencia dados em uma área de dados sobre um meio de armazenamento; gerar informação exclusiva quando na mencionada etapa de detectação nenhuma informação exclusiva for detectada como estando gravada no mencionado meio de armazenamento; e gravar a mencionada informação exclusiva quando gerada na mencionada etapa de gerar no mencionado meio de armazenamento fora da mencionada área gerenciada pelos mencionados dados de gerenciamento.
BR0300871-1A 2002-04-01 2003-03-31 Método de gravação BR0300871A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002099279 2002-04-01
JP2002190801 2002-06-28

Publications (1)

Publication Number Publication Date
BR0300871A true BR0300871A (pt) 2004-08-17

Family

ID=28043857

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0300871-1A BR0300871A (pt) 2002-04-01 2003-03-31 Método de gravação

Country Status (11)

Country Link
US (1) US7440365B2 (pt)
EP (2) EP1681672A1 (pt)
KR (1) KR20030079724A (pt)
CN (1) CN1265373C (pt)
AT (1) ATE318004T1 (pt)
AU (1) AU2003201839A1 (pt)
BR (1) BR0300871A (pt)
CA (1) CA2423539A1 (pt)
DE (1) DE60303528T2 (pt)
MX (1) MXPA03002800A (pt)
TW (1) TWI261242B (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003201839A1 (en) 2002-04-01 2003-10-23 Sony Corporation Recording method for recording data on a storage medium
AU2003202530A1 (en) 2002-04-01 2003-10-16 Sony Corporation Reproducing method, reproducing apparatus, recording method, and recording apparatus
JP2004021996A (ja) 2002-06-12 2004-01-22 Sony Corp 記録装置、サーバ装置、記録方法、プログラム、記憶媒体
US8732086B2 (en) 2003-01-02 2014-05-20 Catch Media, Inc. Method and system for managing rights for digital music
US8666524B2 (en) 2003-01-02 2014-03-04 Catch Media, Inc. Portable music player and transmitter
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US20030227705A1 (en) 2003-12-11
TW200306544A (en) 2003-11-16
CN1448935A (zh) 2003-10-15
EP1681672A1 (en) 2006-07-19
US7440365B2 (en) 2008-10-21
EP1351223A3 (en) 2004-02-11
MXPA03002800A (es) 2004-09-03
ATE318004T1 (de) 2006-03-15
DE60303528D1 (de) 2006-04-20
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CA2423539A1 (en) 2003-10-01
CN1265373C (zh) 2006-07-19

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