SE9504228L - Förfaringssätt för automatisk avsyning av cirkulära informationsbärare - Google Patents

Förfaringssätt för automatisk avsyning av cirkulära informationsbärare

Info

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
Application number
SE9504228A
Other languages
Unknown language ( )
English (en)
Other versions
SE504324C2 (sv
SE9504228D0 (sv
Inventor
Carl Gustaf Langenskioeld
Original Assignee
M2 Engineering Ab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by M2 Engineering Ab filed Critical M2 Engineering Ab
Priority to SE9504228A priority Critical patent/SE504324C2/sv
Publication of SE9504228D0 publication Critical patent/SE9504228D0/sv
Priority to PCT/SE1996/001543 priority patent/WO1997020312A1/en
Priority to US09/077,328 priority patent/US6122238A/en
Priority to EP96941263A priority patent/EP0864149A1/en
Publication of SE9504228L publication Critical patent/SE9504228L/sv
Publication of SE504324C2 publication Critical patent/SE504324C2/sv

Links

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)
SE9504228A 1995-11-27 1995-11-27 Förfaringssätt för automatisk avsyning av cirkulära informationsbärare SE504324C2 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9504228A SE504324C2 (sv) 1995-11-27 1995-11-27 Förfaringssätt för automatisk avsyning av cirkulära informationsbärare
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
EP96941263A EP0864149A1 (en) 1995-11-27 1996-11-26 A method for automatically checking circular information carriers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9504228A SE504324C2 (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
SE9504228L true SE9504228L (sv) 1997-01-13
SE504324C2 SE504324C2 (sv) 1997-01-13

Family

ID=20400369

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9504228A SE504324C2 (sv) 1995-11-27 1995-11-27 Förfaringssätt för automatisk avsyning av cirkulära informationsbärare

Country Status (4)

Country Link
US (1) US6122238A (sv)
EP (1) EP0864149A1 (sv)
SE (1) SE504324C2 (sv)
WO (1) WO1997020312A1 (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
DE69024255T2 (de) * 1989-05-11 1996-05-15 Mitsubishi Electric Corp Defektprüfvorrichtung für scheibenförmigen Datenaufzeichnungsträger
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

Also Published As

Publication number Publication date
WO1997020312A1 (en) 1997-06-05
SE504324C2 (sv) 1997-01-13
SE9504228D0 (sv) 1995-11-27
US6122238A (en) 2000-09-19
EP0864149A1 (en) 1998-09-16

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Legal Events

Date Code Title Description
NUG Patent has lapsed