DE69839266T2 - Kopierschutzsystem und -verfahren für optische plattensowie kopiergeschützte optische platte - Google Patents
Kopierschutzsystem und -verfahren für optische plattensowie kopiergeschützte optische platte Download PDFInfo
- Publication number
- DE69839266T2 DE69839266T2 DE69839266T DE69839266T DE69839266T2 DE 69839266 T2 DE69839266 T2 DE 69839266T2 DE 69839266 T DE69839266 T DE 69839266T DE 69839266 T DE69839266 T DE 69839266T DE 69839266 T2 DE69839266 T2 DE 69839266T2
- Authority
- DE
- Germany
- Prior art keywords
- data
- signal
- modified
- signals
- pit
- 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
- 230000003287 optical effect Effects 0.000 title claims description 80
- 238000000034 method Methods 0.000 title claims description 43
- 238000012360 testing method Methods 0.000 claims description 31
- 238000012986 modification Methods 0.000 claims description 5
- 230000004048 modification Effects 0.000 claims description 5
- 230000003111 delayed effect Effects 0.000 claims 1
- 230000001131 transforming effect Effects 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 14
- 230000009466 transformation Effects 0.000 description 9
- 238000009826 distribution Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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
- 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
- G11B7/00736—Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information
-
- 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
- G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
- G11B20/00123—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers the record carrier being identified by recognising some of its unique characteristics, e.g. a unique defect pattern serving as a physical signature of the record carrier
-
- 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
- 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
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970032576A KR100257538B1 (ko) | 1997-07-14 | 1997-07-14 | 복사 방지용 광디스크의 신호 기록방법 및 이 기록방법을 이용한 광디스크의 복제방지방법 |
| KR19970032576 | 1997-07-14 | ||
| PCT/KR1998/000209 WO1999004392A1 (en) | 1997-07-14 | 1998-07-14 | Copy protection system and method for optical disks and a copy protected optical disk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69839266D1 DE69839266D1 (de) | 2008-04-30 |
| DE69839266T2 true DE69839266T2 (de) | 2009-03-26 |
Family
ID=19514344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69839266T Expired - Lifetime DE69839266T2 (de) | 1997-07-14 | 1998-07-14 | Kopierschutzsystem und -verfahren für optische plattensowie kopiergeschützte optische platte |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US6452885B1 (enExample) |
| EP (1) | EP0995192B1 (enExample) |
| JP (1) | JP2001510925A (enExample) |
| KR (1) | KR100257538B1 (enExample) |
| CN (2) | CN1244104C (enExample) |
| AU (1) | AU8463998A (enExample) |
| DE (1) | DE69839266T2 (enExample) |
| WO (1) | WO1999004392A1 (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4269122B2 (ja) * | 1999-10-20 | 2009-05-27 | ソニー株式会社 | 記録装置および記録方法 |
| JP4618467B2 (ja) * | 2000-01-05 | 2011-01-26 | ソニー株式会社 | 汎用コンピュータおよび汎用コンピュータにおける著作権管理方法 |
| KR20010076729A (ko) * | 2000-01-27 | 2001-08-16 | 배태후 | 복제 차단 기능을 갖는 광학 기록 매체, 이의 제조 및재생 방법 |
| NL1016579C2 (nl) * | 2000-11-09 | 2002-05-14 | Otb Group Bv | Werkwijze voor het vervaardigen van een registratiedrager alsmede een dergelijke registratiedrager. |
| ATE404970T1 (de) * | 2000-12-14 | 2008-08-15 | Ecd Systems Inc | Verfahren zur authentifizierung eines optischen aufzeichnungsmediums und ein optisches aufzeichnungsmedium |
| KR100669623B1 (ko) * | 2001-03-12 | 2007-01-15 | 엘지전자 주식회사 | 디지털 데이터 변환방법 |
| KR100376219B1 (ko) * | 2001-03-30 | 2003-03-15 | 정문정보 주식회사 | 복제방지 광디스크 및 그의 제작방법 |
| US7562396B2 (en) | 2001-08-21 | 2009-07-14 | Ecd Systems, Inc. | Systems and methods for media authentication |
| US7643393B2 (en) | 2001-12-12 | 2010-01-05 | Ecd Systems, Inc. | Systems and methods for optical media modification |
| US7716485B2 (en) | 2002-02-01 | 2010-05-11 | Sca Ipla Holdings Inc. | Systems and methods for media authentication |
| JP2004296049A (ja) * | 2003-02-10 | 2004-10-21 | Sony Corp | データ記録方法および装置、データ記録媒体並びにデータ再生方法および装置 |
| CN1757061A (zh) * | 2003-02-12 | 2006-04-05 | 道格卡森联合公司 | 具有带嵌入式非可记录区段的数据记录区的可记录介质 |
| US7778125B2 (en) * | 2006-02-06 | 2010-08-17 | Mediatek Inc. | System and method for generating output signal indicating specific area on optical disc |
| US8893308B2 (en) | 2012-12-14 | 2014-11-18 | Microsoft Corporation | Counterfeit prevention for optical media |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US849836A (en) * | 1904-06-24 | 1907-04-09 | Ebenezer Greig Dow | Temporary binder. |
| US4644493A (en) * | 1984-09-14 | 1987-02-17 | International Business Machines Corporation | Implementing a shared higher level of privilege on personal computers for copy protection of software |
| US4849836A (en) | 1985-06-07 | 1989-07-18 | Software Heaven, Inc. | Copy protection for computer discs |
| JP2751733B2 (ja) * | 1992-05-27 | 1998-05-18 | 日本電気株式会社 | フロッピィ・ディスク装置用データフォーマット制御コントローラ |
| JPH0730431A (ja) * | 1993-04-02 | 1995-01-31 | Toshiba Corp | データ変復調方式および変復調装置 |
| DE4311683C2 (de) * | 1993-04-08 | 1996-05-02 | Sonopress Prod | Plattenförmiger optischer Speicher und Verfahren zu dessen Herstellung |
| TW241360B (enExample) | 1993-07-29 | 1995-02-21 | Nippon Pickter Kk | |
| EP1336963B1 (en) * | 1994-03-19 | 2006-05-31 | Sony Corporation | Optical disk, method and apparatus for recording and reproducing information |
| BR9606290A (pt) * | 1995-04-03 | 1997-09-02 | Matsushita Electric Industrial Co Ltd | Meio de gravação aparelho e método para transmissão de dados e aparelho e método para reprodução de dados |
| WO1998008180A2 (en) * | 1996-08-05 | 1998-02-26 | T.T.R. Technologies Ltd. | Digital optical media authentication and copy protection method |
| US5886979A (en) * | 1996-10-21 | 1999-03-23 | Fujitsu Limitd | Information recording medium and method for recording and reproducing information to a medium to prevent unauthorized copying |
-
1997
- 1997-07-14 KR KR1019970032576A patent/KR100257538B1/ko not_active Expired - Fee Related
-
1998
- 1998-07-10 US US09/112,982 patent/US6452885B1/en not_active Expired - Lifetime
- 1998-07-14 JP JP2000503526A patent/JP2001510925A/ja active Pending
- 1998-07-14 DE DE69839266T patent/DE69839266T2/de not_active Expired - Lifetime
- 1998-07-14 AU AU84639/98A patent/AU8463998A/en not_active Abandoned
- 1998-07-14 CN CNB031370314A patent/CN1244104C/zh not_active Expired - Fee Related
- 1998-07-14 EP EP98935362A patent/EP0995192B1/en not_active Expired - Lifetime
- 1998-07-14 WO PCT/KR1998/000209 patent/WO1999004392A1/en not_active Ceased
- 1998-07-14 CN CNB988072750A patent/CN1269115C/zh not_active Expired - Fee Related
-
2002
- 2002-08-05 US US10/211,594 patent/US6621781B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1264486A (zh) | 2000-08-23 |
| US20020181369A1 (en) | 2002-12-05 |
| US6452885B1 (en) | 2002-09-17 |
| EP0995192A1 (en) | 2000-04-26 |
| KR19990009976A (ko) | 1999-02-05 |
| CN1269115C (zh) | 2006-08-09 |
| AU8463998A (en) | 1999-02-10 |
| CN1244104C (zh) | 2006-03-01 |
| KR100257538B1 (ko) | 2000-06-01 |
| WO1999004392A1 (en) | 1999-01-28 |
| JP2001510925A (ja) | 2001-08-07 |
| US6621781B2 (en) | 2003-09-16 |
| DE69839266D1 (de) | 2008-04-30 |
| CN1527303A (zh) | 2004-09-08 |
| EP0995192B1 (en) | 2008-03-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |