DE69520635D1 - CD-Platte mit Kopierschutzmarkierung, Pressform und Verfahren zum Kopierschutzmarkieren von CD-Platten - Google Patents
CD-Platte mit Kopierschutzmarkierung, Pressform und Verfahren zum Kopierschutzmarkieren von CD-PlattenInfo
- Publication number
- DE69520635D1 DE69520635D1 DE69520635T DE69520635T DE69520635D1 DE 69520635 D1 DE69520635 D1 DE 69520635D1 DE 69520635 T DE69520635 T DE 69520635T DE 69520635 T DE69520635 T DE 69520635T DE 69520635 D1 DE69520635 D1 DE 69520635D1
- Authority
- DE
- Germany
- Prior art keywords
- disc
- copy protection
- grooves
- protection marking
- disks
- 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 - Fee Related
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
- 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
- G11B7/263—Preparing and using a stamper, e.g. pressing or injection molding substrates
-
- 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
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
- Y10S425/81—Sound record
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9411589A FR2725069B1 (fr) | 1994-09-28 | 1994-09-28 | Disque compact comportant un marquage anti-piratage, moule de pressage et procede de marquage anti-piratage de disques compacts |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69520635D1 true DE69520635D1 (de) | 2001-05-17 |
DE69520635T2 DE69520635T2 (de) | 2001-10-11 |
Family
ID=9467370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69520635T Expired - Fee Related DE69520635T2 (de) | 1994-09-28 | 1995-09-26 | CD-Platte mit Kopierschutzmarkierung, Pressform und Verfahren zum Kopierschutzmarkieren von CD-Platten |
Country Status (5)
Country | Link |
---|---|
US (1) | US5671205A (de) |
EP (1) | EP0704843B1 (de) |
AT (1) | ATE200591T1 (de) |
DE (1) | DE69520635T2 (de) |
FR (1) | FR2725069B1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5843626A (en) * | 1995-04-19 | 1998-12-01 | Pioneer Video Corporation | Method for manufacturing a master disc for optical discs |
US5729533A (en) * | 1995-09-12 | 1998-03-17 | Wae Manufacturing Inc. | Two-sided, light-readable information recording disc stacks and methods of making same |
NL1002977C2 (nl) * | 1996-05-01 | 1997-11-06 | Gpt Axxicon Bv | Werkwijze voor het vervaardigen van een optische informatiedrager alsmede optische informatiedrager. |
US5958651A (en) * | 1996-07-11 | 1999-09-28 | Wea Manufacturing Inc. | Methods for providing artwork on plastic information discs |
JPH10106146A (ja) * | 1996-09-25 | 1998-04-24 | Victor Co Of Japan Ltd | ディスクの記録再生方法及び再生装置 |
US5900098A (en) * | 1996-10-11 | 1999-05-04 | Wea Manufacturing Inc. | Methods for bonding structurally dissimilar optical discs |
US6646967B1 (en) * | 1997-08-12 | 2003-11-11 | Denon Digital Llc | Method for making copy protected optical discs |
US5997976A (en) * | 1998-02-12 | 1999-12-07 | Wea Manufacturing Inc. | Etched mold surface for use in making light-readable discs |
PT980070E (pt) * | 1998-08-10 | 2006-10-31 | Ovd Kinegram Ag | Dispositivo de seguranca por difraccao optica em discos compactos |
US6124011A (en) * | 1998-09-03 | 2000-09-26 | Wea Manufacturing, Inc. | Information-bearing discs and methods of fabrication |
EP1049095A3 (de) * | 1999-04-28 | 2006-06-28 | Victor Company Of Japan, Ltd. | Informationsaufzeichnungsmedium und Wiedergabegerät |
US6944115B2 (en) * | 2000-09-29 | 2005-09-13 | General Electric Company | Colored data storage media |
GB0100528D0 (en) * | 2001-01-09 | 2001-02-21 | Taylor Robert W | Optical disks, a monitoring system for monitoring production of optical disks, manufacturing methods for optical disks and an authentication method for |
US7227717B1 (en) * | 2001-06-18 | 2007-06-05 | Seagate Technology Llc | Asymmetric disk surface properties in one head disk drives |
US6475588B1 (en) | 2001-08-07 | 2002-11-05 | General Electric Company | Colored digital versatile disks |
US6475589B1 (en) * | 2001-12-17 | 2002-11-05 | General Electric Company | Colored optical discs and methods for making the same |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3689078A (en) * | 1969-06-30 | 1972-09-05 | Yasujiro Ban | Colored recording discs |
CH594495A5 (de) * | 1976-05-04 | 1978-01-13 | Landis & Gyr Ag | |
DE68928586T2 (de) * | 1988-04-12 | 1998-10-29 | Dainippon Printing Co Ltd | Optisches aufzeichnungsmedium und methode zu dessen herstellung |
US5003915A (en) * | 1988-04-18 | 1991-04-02 | American Bank Note Holographics, Inc. | Apparatus for printing and for forming a hologram on sheet material |
US5189531A (en) * | 1988-10-17 | 1993-02-23 | August DeFazio | Hologram production |
FR2660474B1 (fr) * | 1990-03-30 | 1992-06-12 | Omnium Tech Impression Conditi | Procede et dispositif d'impression sur support d'enregistrement a lecture optique. |
US5293373A (en) * | 1990-08-29 | 1994-03-08 | Mitsubishi Denki Kabushiki Kaisha | Optical disk and method of manufacturing the same |
JP3109866B2 (ja) * | 1990-11-17 | 2000-11-20 | 太陽誘電株式会社 | 光学式情報記録担体用基板及びその製造方法 |
GB9112791D0 (en) * | 1991-06-13 | 1991-07-31 | Applied Holographics | Optical data storage disc |
GB9122247D0 (en) * | 1991-10-19 | 1991-12-04 | Applied Holographics | Optical data storage disc |
US5346654A (en) * | 1992-07-31 | 1994-09-13 | Sanyo Laser Products, Inc. | Mehod of forming indicia on compact disks and indicia-bearing compact disks |
FR2702077B1 (fr) * | 1993-02-22 | 1995-04-21 | Digipress Sa | Procédé de fabrication d'un disque maître et d'une matrice de pressage de disques optiques perfectionnés, disque optique obtenu à partir de ce disque maître ou de cette matrice de pressage. |
JP2853724B2 (ja) * | 1993-06-30 | 1999-02-03 | 日本ビクター株式会社 | 光記録媒体、その製造方法及びその再生装置 |
-
1994
- 1994-09-28 FR FR9411589A patent/FR2725069B1/fr not_active Expired - Fee Related
-
1995
- 1995-09-26 EP EP95402154A patent/EP0704843B1/de not_active Expired - Lifetime
- 1995-09-26 AT AT95402154T patent/ATE200591T1/de active
- 1995-09-26 DE DE69520635T patent/DE69520635T2/de not_active Expired - Fee Related
- 1995-09-27 US US08/533,989 patent/US5671205A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2725069B1 (fr) | 1997-01-03 |
FR2725069A1 (fr) | 1996-03-29 |
DE69520635T2 (de) | 2001-10-11 |
ATE200591T1 (de) | 2001-04-15 |
US5671205A (en) | 1997-09-23 |
EP0704843B1 (de) | 2001-04-11 |
EP0704843A1 (de) | 1996-04-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: OTB GROUP B.V., EINDHOVEN, NL |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: SINGULUS MASTERING B.V., EINDHOVEN, NL |
|
8328 | Change in the person/name/address of the agent |
Representative=s name: VOSSIUS & PARTNER, 81675 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee |