SE9504228L - Förfaringssätt för automatisk avsyning av cirkulära informationsbärare - Google Patents
Förfaringssätt för automatisk avsyning av cirkulära informationsbärareInfo
- Publication number
- SE9504228L SE9504228L SE9504228A SE9504228A SE9504228L SE 9504228 L SE9504228 L SE 9504228L SE 9504228 A SE9504228 A SE 9504228A SE 9504228 A SE9504228 A SE 9504228A SE 9504228 L SE9504228 L SE 9504228L
- Authority
- SE
- Sweden
- Prior art keywords
- information
- information carrier
- pct
- sector
- date
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- 239000000969 carrier Substances 0.000 title abstract 2
- 238000007689 inspection Methods 0.000 title 1
- 230000007547 defect Effects 0.000 abstract 4
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/10—Indicating arrangements; Warning arrangements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/38—Visual features other than those contained in record tracks or represented by sprocket holes the visual signals being auxiliary signals
-
- 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
- G11B7/00375—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs arrangements for detection of physical defects, e.g. of recording layer
-
- 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
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9504228A SE9504228L (sv) | 1995-11-27 | 1995-11-27 | Förfaringssätt för automatisk avsyning av cirkulära informationsbärare |
EP96941263A EP0864149A1 (en) | 1995-11-27 | 1996-11-26 | A method for automatically checking circular information carriers |
PCT/SE1996/001543 WO1997020312A1 (en) | 1995-11-27 | 1996-11-26 | A method for automatically checking circular information carriers |
US09/077,328 US6122238A (en) | 1995-11-27 | 1996-11-26 | Method for automatically checking circular information carriers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9504228A SE9504228L (sv) | 1995-11-27 | 1995-11-27 | Förfaringssätt för automatisk avsyning av cirkulära informationsbärare |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9504228D0 SE9504228D0 (sv) | 1995-11-27 |
SE504324C2 SE504324C2 (sv) | 1997-01-13 |
SE9504228L true SE9504228L (sv) | 1997-01-13 |
Family
ID=20400369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9504228A SE9504228L (sv) | 1995-11-27 | 1995-11-27 | Förfaringssätt för automatisk avsyning av cirkulära informationsbärare |
Country Status (4)
Country | Link |
---|---|
US (1) | US6122238A ( ) |
EP (1) | EP0864149A1 ( ) |
SE (1) | SE9504228L ( ) |
WO (1) | WO1997020312A1 ( ) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19904427B4 (de) | 1999-02-04 | 2004-12-16 | Basler Ag | Verfahren zum Prüfen von rotationssymmetrischen Gegenständen |
US6985319B2 (en) * | 2000-05-22 | 2006-01-10 | Seagate Technology Llc | Pattern-based defect description method |
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 |
US20020191319A1 (en) * | 2001-04-12 | 2002-12-19 | Seagate Technology Llc | Merged defect entries for defects running in circumferential and radial directions on a disc |
IE20020549A1 (en) * | 2002-07-03 | 2004-01-14 | Bronway Res Ltd | An optical media handling apparatus |
US7616298B2 (en) * | 2006-08-31 | 2009-11-10 | Hitachi High-Technologies Corporation | Disk transfer mechanism, and disk inspection apparatus and disk inspection method using the same |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0245739A (ja) * | 1988-08-06 | 1990-02-15 | Mitsubishi Electric Corp | 表面欠陥検査装置 |
EP0397126B1 (en) * | 1989-05-11 | 1995-12-20 | Mitsubishi Denki Kabushiki Kaisha | Defect inspecting apparatus for disc-shaped information recording media |
NL9201065A (nl) * | 1992-06-16 | 1994-01-17 | Od & Me Bv | Inrichting voor het bewerken van schijfvormige registratiedragers. |
DE4434474C2 (de) * | 1994-09-27 | 2000-06-15 | Basler Ag | Verfahren und Vorrichtung zur vollständigen optischen Qualitätskontrolle von Gegenständen |
SG50884A1 (en) * | 1996-09-10 | 1998-07-20 | Hitachi Electr Eng | Apparatus and method for inspecting disks |
US5940174A (en) * | 1996-10-16 | 1999-08-17 | Wea Manufacturing Inc. | Optical disc inspection equalization system and method |
-
1995
- 1995-11-27 SE SE9504228A patent/SE9504228L/ not_active IP Right Cessation
-
1996
- 1996-11-26 WO PCT/SE1996/001543 patent/WO1997020312A1/en not_active Application Discontinuation
- 1996-11-26 US US09/077,328 patent/US6122238A/en not_active Expired - Fee Related
- 1996-11-26 EP EP96941263A patent/EP0864149A1/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
SE504324C2 (sv) | 1997-01-13 |
EP0864149A1 (en) | 1998-09-16 |
WO1997020312A1 (en) | 1997-06-05 |
SE9504228D0 (sv) | 1995-11-27 |
US6122238A (en) | 2000-09-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |