KR20040045824A - 기록매체 및 그 기록매체의 주사장치 - Google Patents
기록매체 및 그 기록매체의 주사장치 Download PDFInfo
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- KR20040045824A KR20040045824A KR10-2004-7005439A KR20047005439A KR20040045824A KR 20040045824 A KR20040045824 A KR 20040045824A KR 20047005439 A KR20047005439 A KR 20047005439A KR 20040045824 A KR20040045824 A KR 20040045824A
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- Prior art keywords
- modulation
- information
- track
- recording
- servo track
- Prior art date
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Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/24—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by sensing features on the record carrier other than the transducing track ; sensing signals or marks recorded by another method than the main recording
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- 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
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- 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
- G11B20/00217—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
- G11B20/00362—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 obtained from a media key block [MKB]
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- 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
- G11B20/00217—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
- G11B20/00405—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 by varying characteristics of the recording track, e.g. by altering the track pitch or by modulating the wobble track
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- 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
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- 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
- G11B20/00586—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 physical format of the recording medium
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- 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
- G11B20/00586—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 physical format of the recording medium
- G11B20/00601—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 physical format of the recording medium wherein properties of tracks are altered, e.g., by changing the wobble pattern or the track pitch, or by adding interruptions or eccentricity
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- 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
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- 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
- G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
- G11B2020/1218—Formatting, e.g. arrangement of data block or words on the record carriers on discs wherein the formatting concerns a specific area of the disc
- G11B2020/1238—Formatting, e.g. arrangement of data block or words on the record carriers on discs wherein the formatting concerns a specific area of the disc track, i.e. the entire a spirally or concentrically arranged path on which the recording marks are located
- G11B2020/1239—Formatting, e.g. arrangement of data block or words on the record carriers on discs wherein the formatting concerns a specific area of the disc track, i.e. the entire a spirally or concentrically arranged path on which the recording marks are located the track being a pregroove, e.g. the wobbled track of a recordable optical disc
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- 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
- G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
- G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
- G11B2020/1267—Address data
- G11B2020/1268—Address in pregroove [ADIP] information
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- 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
- G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
- G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
- G11B2020/1287—Synchronisation pattern, e.g. VCO fields
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- 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
- G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
- G11B2220/215—Recordable discs
- G11B2220/216—Rewritable discs
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- 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
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- 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
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Facsimile Scanning Arrangements (AREA)
- Heat Treatment Of Steel (AREA)
- Gas Burners (AREA)
- Facsimile Heads (AREA)
- Manufacturing And Processing Devices For Dough (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Abstract
Description
Claims (10)
- 마크들로 나타낸 정보블록을 기록하려고 하는 정보트랙(9)을 나타내는 서보트랙(4)을 구비하고, 이 서보트랙(4)이 소정 주파수에서 물리적 파라미터의 주기적인 변동과, 소정의 변조형태에 따라 위치정보를 인코딩하는 변조부분을 갖는 기록매체에 있어서,상기 기록매체는, 상기 서보트랙이 상기 물리적 파라미터의 복수의 변동으로 나타낸 영구 데이터를 포함하는 관리영역을 포함하고, 그 복수의 변동은 서로 다른 변조형태를 따르는 것을 특징으로 하는 기록매체.
- 제 1 항에 있어서,상기 소정의 변조형태는 주기적인 변동의 주파수 또는 상변조의 형태이고, 그리고/또는 상기 서로 다른 변조형태는 서보트랙의 횡방향으로의 변위로 논리적 비트값을 나타낸 직접 디지털 변조인 것을 특징으로 하는 기록매체.
- 제 2 항에 있어서,상기 직접 디지털 변조는, 런길이 제한 변조(RLL)인 것을 특징으로 하는 기록매체.
- 제 1 항 또는 제 2 항에 있어서,상기 영구데이터는, 복사방지 및/또는 디지털 권리 관리를 위한 키 블록을 포함하는 것을 특징으로 하는 기록매체.
- 제 1 항 또는 제 2 항에 있어서,상기 관리영역은, 정보를 기록하지 않는 것을 특징으로 하는 기록매체.
- 제 1 항 또는 제 2 항에 있어서,상기 관리영역은, 정보블록을 기록하려고 하는 정보트랙(9)을 나타낸 서보트랙으로 덮인 상기 기록매체의 영역에서의 트랙 피치보다 큰 인접 트랙들간의 트랙 피치를 갖는 것을 특징으로 하는 기록매체.
- 정보트랙(9)을 나타내는 서보트랙(4)을 구비한 기록매체에 정보트랙(9)의 정보블록들을 기록 및/또는 판독하는 수단을 구비하고, 상기 서보트랙(4)을 주사하는 수단과 소정 주파수에서 상기 서보트랙의 물리적인 파라미터의 변동으로 생긴 신호로부터 위치정보를 검색하는 복조수단을 구비하고, 상기 서보트랙이 소정의 변조형태에 따라 위치정보를 인코딩하는 변조부분을 갖는 기록 및/또는 재생장치에 있어서,상기 서보트랙은 상기 물리적 파라미터의 복수의 변동으로 나타낸 관리 데이터를 포함하는 관리영역으로부터 관리데이터를 검색하는 서로 다른 형태의 복수의 복조수단을 더 구비하고, 그 복수의 변동은 서로 다른 변조형태를 따르는 것을 특징으로 하는 기록 및/또는 재생장치.
- 제 7 항에 있어서,상기 복조수단은 주기적인 변동의 주파수 또는 상변조를 복조하고, 그리고/또는 상기 복수의 복조수단은 상기 서보트랙의 횡방향으로의 변위로 논리적 비트값을 나타낸 직접 디지털 변조를 복조하는 것을 특징으로 하는 기록 및/또는 재생장치.
- 제 7 항에 있어서,상기 복수의 복조수단은, 런길이 제한 변조(RLL)를 디코딩하는 것을 특징으로 하는 기록 및/또는 재생장치.
- 정보블록을 기록하려고 하는 정보트랙(9)을 나타내는 서보트랙(4)을 구비하고, 이 서보트랙(4)이 소정 주파수에서 물리적 파라미터의 변동과, 소정의 변조형태에 따라 위치정보를 인코딩하는 변조부분을 갖는 기록매체의 제조방법에 있어서,상기 기록매체는, 상기 서보트랙이 상기 물리적 파라미터의 복수의 변동으로 나타낸 영구데이터를 포함하는 관리영역을 포함하고, 그 복수의 변동은 서로 다른 변조형태를 따르는 것을 특징으로 하는 기록매체의 제조방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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EP01203882.4 | 2001-10-15 | ||
EP01203882 | 2001-10-15 | ||
PCT/IB2002/003934 WO2003034427A1 (en) | 2001-10-15 | 2002-09-24 | Record carrier and apparatus for scanning the record carrier |
Publications (2)
Publication Number | Publication Date |
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KR20040045824A true KR20040045824A (ko) | 2004-06-02 |
KR100975307B1 KR100975307B1 (ko) | 2010-08-12 |
Family
ID=8181060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020047005439A KR100975307B1 (ko) | 2001-10-15 | 2002-09-24 | 기록매체 및 그 기록매체의 주사장치 |
Country Status (24)
Country | Link |
---|---|
US (3) | US7110332B2 (ko) |
EP (2) | EP2034480B1 (ko) |
KR (1) | KR100975307B1 (ko) |
CN (3) | CN101231874B (ko) |
AT (1) | ATE488841T1 (ko) |
AU (1) | AU2002339218B2 (ko) |
CA (1) | CA2463449C (ko) |
CO (1) | CO5580853A2 (ko) |
CY (2) | CY1111084T1 (ko) |
DE (1) | DE60238360D1 (ko) |
DK (1) | DK2034480T3 (ko) |
EA (1) | EA005694B1 (ko) |
ES (2) | ES2392251T3 (ko) |
ME (1) | ME01738B (ko) |
NO (1) | NO328748B1 (ko) |
NZ (1) | NZ532275A (ko) |
PL (1) | PL214799B1 (ko) |
PT (2) | PT1440440E (ko) |
SK (1) | SK1782004A3 (ko) |
TN (1) | TNSN04061A1 (ko) |
TW (1) | TWI251208B (ko) |
UA (1) | UA78226C2 (ko) |
WO (1) | WO2003034427A1 (ko) |
ZA (1) | ZA200304604B (ko) |
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PT1405306E (pt) | 2001-07-02 | 2009-11-17 | Koninkl Philips Electronics Nv | Suporte de dados e aparelho para fazer o varrimento do suporte de dados |
JP4652641B2 (ja) * | 2001-10-11 | 2011-03-16 | ソニー株式会社 | ディスク記録媒体、ディスクドライブ装置、再生方法 |
US7366268B2 (en) * | 2002-12-02 | 2008-04-29 | Matsushita Electric Industrial Co., Ltd. | Selective data inversion in ultra-wide band communications to eliminate line frequencies |
JP3774444B2 (ja) * | 2003-03-27 | 2006-05-17 | 株式会社東芝 | 記録情報評価方法と装置及びその情報記録媒体 |
US20080205254A1 (en) * | 2003-12-02 | 2008-08-28 | Koninklijke Philips Electronics N.V. | Content Protection on a Record Carrier |
TWI301969B (en) * | 2004-10-12 | 2008-10-11 | Mediatek Inc | Method and apparatus for detecting a physical mark in a signal read from an optical disk |
US20060109756A1 (en) * | 2004-11-22 | 2006-05-25 | Chih-Yuan Chen | Track determination |
WO2007032506A1 (en) * | 2005-09-15 | 2007-03-22 | Ricoh Company, Ltd. | Optical recording medium and optical recording apparatus |
CN101692662A (zh) * | 2009-09-03 | 2010-04-07 | 中国石油大学(华东) | 一种相位调制方法、设备以及系统 |
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DE69230168T2 (de) | 1991-12-02 | 2000-04-20 | Koninkl Philips Electronics Nv | Geschlossenes Informationssystem mit Kopierschutz |
JPH08147704A (ja) * | 1994-11-18 | 1996-06-07 | Sony Corp | ディスク状記録媒体、ディスク再生方法及び再生装置 |
US5835478A (en) * | 1995-06-15 | 1998-11-10 | Sony Corporation | Optical disc having address information for recording and reproducing data at correct positions |
EP1022736B1 (en) * | 1996-02-08 | 2002-07-03 | Matsushita Electric Industrial Co., Ltd. | Optical disk, optical disk device, and method of reproducing information on optical disk |
JP3833329B2 (ja) * | 1997-02-07 | 2006-10-11 | 株式会社リコー | 光情報記録媒体とそのデータ記録方法及び原盤露光方法 |
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CZ298447B6 (cs) | 1999-01-25 | 2007-10-03 | Koninklijke Philips Electronics N. V. | Záznamový nosic, zarízení pro záznam na nosic a/nebo prehrávání z nosice a zpusob výroby nosice |
PL343198A1 (en) * | 1999-01-27 | 2001-07-30 | Koninkl Philips Electronics Nv | Record carrier, playback device and method of recording information |
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