ATE200591T1 - 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
- ATE200591T1 ATE200591T1 AT95402154T AT95402154T ATE200591T1 AT E200591 T1 ATE200591 T1 AT E200591T1 AT 95402154 T AT95402154 T AT 95402154T AT 95402154 T AT95402154 T AT 95402154T AT E200591 T1 ATE200591 T1 AT E200591T1
- Authority
- AT
- Austria
- Prior art keywords
- disc
- copy protection
- grooves
- protection marking
- discs
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Optical Recording Or Reproduction (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
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 (1)
Publication Number | Publication Date |
---|---|
ATE200591T1 true ATE200591T1 (de) | 2001-04-15 |
Family
ID=9467370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT95402154T ATE200591T1 (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 |
EP1626407A2 (de) * | 1998-08-10 | 2006-02-15 | OVD Kinegram AG | Diffraktive Sicherheitseinheit auf CDs |
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 | |
EP0374256B1 (de) * | 1988-04-12 | 1998-02-25 | Dai Nippon Insatsu Kabushiki Kaisha | 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 AT AT95402154T patent/ATE200591T1/de active
- 1995-09-26 EP EP95402154A patent/EP0704843B1/de not_active Expired - Lifetime
- 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 |
---|---|
US5671205A (en) | 1997-09-23 |
DE69520635D1 (de) | 2001-05-17 |
FR2725069B1 (fr) | 1997-01-03 |
FR2725069A1 (fr) | 1996-03-29 |
EP0704843B1 (de) | 2001-04-11 |
DE69520635T2 (de) | 2001-10-11 |
EP0704843A1 (de) | 1996-04-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE200591T1 (de) | Cd-platte mit kopierschutzmarkierung, pressform und verfahren zum kopierschutzmarkieren von cd- platten | |
DE59500254D1 (de) | Optischer Informationsträger | |
RU2124764C1 (ru) | Дискообразный оптический накопитель и способ его изготовления | |
MX9606627A (es) | Fabricacion de un disco optico para identificacion personalizada. | |
DE69728474D1 (de) | Verfahren zur Bereitstellung von Grafik auf plastischen Informationsplatten | |
DE60130275D1 (de) | Herstellung einer Matrize für optische Platten | |
SE7909118L (sv) | Optiskt inskrivbar uppteckningsberare | |
EP0375298A3 (en) | Optical information recording media | |
MX9704096A (es) | Un disco optico, un metodo para hacer el codigo de barras de un disco optico, un aparato reproductor de discos opticos, un aparato para hacer marcas, un metodo para hacer una marca laser sobre un disco optico, y un metodo para manufacturar un disco o | |
EP0257713A3 (en) | Magnetic recording media, systems using same, apparatus for use therewith and method of positioning a read/write head adjacent a magnetic recording medium | |
CY1112659T1 (el) | Οπτικο μεσον εγγραφης δεδομενων και μεθοδος εγγραφης και αναπαραγωγης | |
GB2350205A (en) | Reverse optical mastering for data storage disks | |
DE60215893D1 (de) | Verfahren und Vorrichtung zur Reduzierung der Schrumpfung des Klemmbereichs einer optischen Platte, und derartig hergestellte Platte | |
EP0418897A3 (en) | Manufacturing method of high density optical recording medium | |
EP0926664A3 (de) | Optische Platte und optisches Plattengerät | |
EP1345214A4 (de) | Otpische platte, aufzeichnungsvorrichtung und verfahren für optische platte und verfahren zu ihrer reproduktion | |
KR900012225A (ko) | 광학적 디스크 기판 및 광학적 정보 기록 매체 | |
EP0802529A3 (de) | Optisches Datenaufzeichnungs- und Wiedergabesystem, optische Kopfvorrichtung benutzt in dem System und Methode zur Aufzeichnung oder Wiedergabe optischer Information | |
DE60112234D1 (de) | Unlöschbare Markierung auf optischen Platten | |
ATE144855T1 (de) | Optischer informationsaufzeichnungsträger | |
ATE34244T1 (de) | Informationsspeicherung und - aufzeichnung. | |
FI841142A0 (fi) | Foerfarande och anordning foer anteckning av varor. | |
DE3878353D1 (de) | Verfahren zur herstellung von schutzschichten auf optischen aufzeichnungsmedien. | |
AU547516B2 (en) | Optical information disk | |
KR900012226A (ko) | 광학적 디스크기판, 광학적 정보기록매체 및 그 광학적 디스크 기판의 제조방법 및 장치 |