DE69535367D1 - Vorrichtung und Verfahren zum Decodieren eines optischen Signals - Google Patents
Vorrichtung und Verfahren zum Decodieren eines optischen SignalsInfo
- Publication number
- DE69535367D1 DE69535367D1 DE69535367T DE69535367T DE69535367D1 DE 69535367 D1 DE69535367 D1 DE 69535367D1 DE 69535367 T DE69535367 T DE 69535367T DE 69535367 T DE69535367 T DE 69535367T DE 69535367 D1 DE69535367 D1 DE 69535367D1
- Authority
- DE
- Germany
- Prior art keywords
- data bits
- physical
- security code
- offset
- signal
- 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.)
- Expired - Lifetime
Links
Classifications
-
- 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
-
- 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
-
- 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
- G11B20/00586—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
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24085—Pits
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
- G06F2211/007—Encryption, En-/decode, En-/decipher, En-/decypher, Scramble, (De-)compress
-
- 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
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
- G11B7/261—Preparing a master, e.g. exposing photoresist, electroforming
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Recording Or Reproduction (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Storage Device Security (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Communication System (AREA)
- Packaging For Recording Disks (AREA)
- Slot Machines And Peripheral Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6285390A JPH08147704A (ja) | 1994-11-18 | 1994-11-18 | ディスク状記録媒体、ディスク再生方法及び再生装置 |
JP28539094 | 1994-11-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69535367D1 true DE69535367D1 (de) | 2007-02-22 |
DE69535367T2 DE69535367T2 (de) | 2007-10-18 |
Family
ID=17690925
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69521402T Expired - Lifetime DE69521402T2 (de) | 1994-11-18 | 1995-11-17 | Wiedergabeverfahren und Einrichtung von Kompaktplatten und Kompaktplattenspieler-Sicherheitssystem |
DE69535367T Expired - Lifetime DE69535367T2 (de) | 1994-11-18 | 1995-11-17 | Vorrichtung und Verfahren zum Decodieren eines optischen Signals |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69521402T Expired - Lifetime DE69521402T2 (de) | 1994-11-18 | 1995-11-17 | Wiedergabeverfahren und Einrichtung von Kompaktplatten und Kompaktplattenspieler-Sicherheitssystem |
Country Status (12)
Country | Link |
---|---|
US (2) | US6122739A (de) |
EP (2) | EP1130591B1 (de) |
JP (1) | JPH08147704A (de) |
KR (1) | KR100412779B1 (de) |
CN (1) | CN1122977C (de) |
AT (1) | ATE202422T1 (de) |
AU (1) | AU716354B2 (de) |
CA (1) | CA2163177C (de) |
DE (2) | DE69521402T2 (de) |
DK (1) | DK0723216T3 (de) |
ES (1) | ES2159596T3 (de) |
MY (1) | MY115187A (de) |
Families Citing this family (73)
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EP0575376B1 (de) * | 1991-03-13 | 1996-09-04 | NPH Ltd. | Analsphinkterprothese |
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 |
JPH1166739A (ja) * | 1997-08-19 | 1999-03-09 | Seiji Yonezawa | 光記録担体および光記録担体の記録装置ならびに再生装置 |
NL1007123C2 (nl) * | 1997-09-26 | 1999-03-29 | Od & Me Bv | Registratiedragers, werkwijze voor het controleren van dergelijke registratiedragers, werkwijzen voor het vervaardigen van dergelijke registratiedragers alsmede inrichting geschikt voor het uitvoeren van dergelijke werkwijzen. |
DE69830834T2 (de) * | 1998-01-20 | 2006-01-26 | Fujitsu Ltd., Kawasaki | Datenspeicheranordnung und Steuerverfahren dafür |
US6587948B1 (en) * | 1998-02-13 | 2003-07-01 | Sony Corporation | Recording apparatus, recording medium, playback apparatus, recording method and playback method |
JP3464178B2 (ja) * | 1998-09-25 | 2003-11-05 | 株式会社ソニー・コンピュータエンタテインメント | 情報認証方法、ディスク再生装置及びエンタテインメント装置 |
US6665240B1 (en) * | 1998-10-07 | 2003-12-16 | Sony Corporation | Apparatus and method for manufacturing optical disks, apparatus and method for recording data on optical disks, apparatus and method for reproducing data from optical disks, and optical disk |
JP2000149415A (ja) * | 1998-11-02 | 2000-05-30 | Matsushita Electric Ind Co Ltd | 光ディスク、光ディスクの再生装置及び複製装置並びに光ディスクの違法使用防止方法 |
US6810004B1 (en) * | 1998-12-07 | 2004-10-26 | Sony Corporation | Optical recording medium, recorder for optical recording medium, method for recording the same, reproducing device and reproducing method therefor |
JP2000242929A (ja) * | 1998-12-07 | 2000-09-08 | Sony Corp | データ記録方法および装置、データ再生方法および装置、並びに記録媒体 |
ES2231153T3 (es) | 1999-01-27 | 2005-05-16 | Koninklijke Philips Electronics N.V. | Soporte de grabacion, dispositivo de reproduccion y metodo de grabacion de informacion. |
JP3534646B2 (ja) | 1999-04-21 | 2004-06-07 | 株式会社ソニー・コンピュータエンタテインメント | ディスク状記録媒体、この媒体の再生装置及び方法 |
JP2001023351A (ja) | 1999-07-09 | 2001-01-26 | Hitachi Maxell Ltd | 光ディスク及び光ディスク駆動装置 |
NL1013562C2 (nl) * | 1999-11-11 | 2001-05-14 | Odme Internat B V | Beschrijfbare optische registratiedrager alsmede werkwijze voor het vervaardigen van een moedermatrijs voor een dergelijke beschrijfbare optische registratiedrager. |
US20030185128A1 (en) * | 2000-09-22 | 2003-10-02 | Mamoru Shoji | Optical disc and a reproduction method, reproduction apparatus, and recording apparatus for the same |
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GB2205667B (en) * | 1987-06-12 | 1991-11-06 | Ncr Co | Method of controlling the operation of security modules |
NL8701632A (nl) * | 1987-07-10 | 1989-02-01 | Philips Nv | Systeem voor het optekenen en/of uitlezen van een informatiesignaal, een registratiedrager, een opteken en/of uitleesinrichting voor toepassing in een dergelijk systeem, en een inrichting en werkwijze voor het vervaardigen van een dergelijke registratiedrager. |
NL8801275A (nl) * | 1988-05-18 | 1989-12-18 | Philips Nv | Optekensysteem alsmede registratiedrager en schrijfinrichting voor toepassing in het systeem. |
NL8800152A (nl) * | 1988-01-22 | 1989-08-16 | Philips Nv | Optische uitleesbare registratiedrager van het beschrijfbare type, een inrichting voor het vervaardigen van een dergelijke registratiedrager, en inrichtingen voor het optekenen en/of uitlezen van informatie op/uit een dergelijke registratiedrager. |
US5004232A (en) * | 1989-10-13 | 1991-04-02 | Macronix, Inc. | Computer game cartridge security circuit |
JP2560124B2 (ja) * | 1990-03-16 | 1996-12-04 | 株式会社セガ・エンタープライゼス | ビデオゲームシステム及び情報処理装置 |
EP0930614B1 (de) * | 1991-12-02 | 2004-03-31 | Philips Electronics N.V. | Geschlossenes Informationssystem mit Kopierschutz |
JP2942837B2 (ja) * | 1992-01-31 | 1999-08-30 | 株式会社セガ・エンタープライゼス | セキュリティチェック方法及びゲーム装置並びにそれらに用いられる情報記憶媒体 |
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 |
TW241360B (de) * | 1993-07-29 | 1995-02-21 | Nippon Pickter Kk | |
TW309612B (de) | 1994-09-22 | 1997-07-01 | Nippon Bickter Kk | |
JP2970739B2 (ja) * | 1994-09-30 | 1999-11-02 | 日本ビクター株式会社 | 光ディスクの再生制御方法 |
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 |
JP2000090549A (ja) * | 1998-09-16 | 2000-03-31 | Sony Corp | ディスク再生装置 |
-
1994
- 1994-11-18 JP JP6285390A patent/JPH08147704A/ja active Pending
-
1995
- 1995-11-13 US US08/555,835 patent/US6122739A/en not_active Expired - Lifetime
- 1995-11-17 AU AU37891/95A patent/AU716354B2/en not_active Expired
- 1995-11-17 ES ES95118162T patent/ES2159596T3/es not_active Expired - Lifetime
- 1995-11-17 CA CA002163177A patent/CA2163177C/en not_active Expired - Lifetime
- 1995-11-17 CN CN95118825A patent/CN1122977C/zh not_active Expired - Fee Related
- 1995-11-17 DE DE69521402T patent/DE69521402T2/de not_active Expired - Lifetime
- 1995-11-17 AT AT95118162T patent/ATE202422T1/de active
- 1995-11-17 DK DK95118162T patent/DK0723216T3/da active
- 1995-11-17 MY MYPI95003510A patent/MY115187A/en unknown
- 1995-11-17 EP EP01108855A patent/EP1130591B1/de not_active Expired - Lifetime
- 1995-11-17 EP EP95118162A patent/EP0723216B1/de not_active Expired - Lifetime
- 1995-11-17 DE DE69535367T patent/DE69535367T2/de not_active Expired - Lifetime
- 1995-11-18 KR KR1019950042105A patent/KR100412779B1/ko not_active IP Right Cessation
-
1999
- 1999-08-16 US US09/374,931 patent/US6304971B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
MY115187A (en) | 2003-04-30 |
EP0723216A3 (de) | 1996-09-04 |
DK0723216T3 (da) | 2001-10-01 |
EP0723216B1 (de) | 2001-06-20 |
AU3789195A (en) | 1996-05-23 |
EP1130591A2 (de) | 2001-09-05 |
EP0723216A2 (de) | 1996-07-24 |
KR960019120A (ko) | 1996-06-17 |
CN1122977C (zh) | 2003-10-01 |
DE69535367T2 (de) | 2007-10-18 |
US6304971B1 (en) | 2001-10-16 |
ES2159596T3 (es) | 2001-10-16 |
DE69521402T2 (de) | 2002-05-16 |
JPH08147704A (ja) | 1996-06-07 |
AU716354B2 (en) | 2000-02-24 |
CA2163177A1 (en) | 1996-05-19 |
CA2163177C (en) | 2004-05-11 |
EP1130591A3 (de) | 2002-05-22 |
ATE202422T1 (de) | 2001-07-15 |
US6122739A (en) | 2000-09-19 |
DE69521402D1 (de) | 2001-07-26 |
KR100412779B1 (ko) | 2004-06-11 |
CN1133471A (zh) | 1996-10-16 |
EP1130591B1 (de) | 2007-01-10 |
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