AU2003255980A8 - Apparatus and method for scanning an information track and record carrier - Google Patents

Apparatus and method for scanning an information track and record carrier

Info

Publication number
AU2003255980A8
AU2003255980A8 AU2003255980A AU2003255980A AU2003255980A8 AU 2003255980 A8 AU2003255980 A8 AU 2003255980A8 AU 2003255980 A AU2003255980 A AU 2003255980A AU 2003255980 A AU2003255980 A AU 2003255980A AU 2003255980 A8 AU2003255980 A8 AU 2003255980A8
Authority
AU
Australia
Prior art keywords
scanning
record carrier
information track
track
information
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.)
Abandoned
Application number
AU2003255980A
Other versions
AU2003255980A1 (en
Inventor
Hubert C F Martens
Benno Tieke
Johannes H M Spruit
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of AU2003255980A8 publication Critical patent/AU2003255980A8/en
Publication of AU2003255980A1 publication Critical patent/AU2003255980A1/en
Abandoned legal-status Critical Current

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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • G11B7/1263—Power control during transducing, e.g. by monitoring
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • G11B19/127—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark involving detection of the number of sides, e.g. single or double, or layers, e.g. for multiple recording or reproducing layers
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G11B7/00456—Recording strategies, e.g. pulse sequences
    • 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
    • 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
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated recording layers

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
AU2003255980A 2002-09-11 2003-08-21 Apparatus and method for scanning an information track and record carrier Abandoned AU2003255980A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02078718.0 2002-09-11
EP02078718 2002-09-11
PCT/IB2003/003761 WO2004025627A2 (en) 2002-09-11 2003-08-21 Apparatus and method for scanning an information track and record carrier

Publications (2)

Publication Number Publication Date
AU2003255980A8 true AU2003255980A8 (en) 2004-04-30
AU2003255980A1 AU2003255980A1 (en) 2004-04-30

Family

ID=31985077

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003255980A Abandoned AU2003255980A1 (en) 2002-09-11 2003-08-21 Apparatus and method for scanning an information track and record carrier

Country Status (4)

Country Link
CN (1) CN101154397A (en)
AU (1) AU2003255980A1 (en)
WO (1) WO2004025627A2 (en)
ZA (1) ZA200500211B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006006089A1 (en) * 2004-07-07 2006-01-19 Koninklijke Philips Electronics N.V. Drive comprising means for determining the tracking polarity of a record carrier

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02270140A (en) * 1989-04-12 1990-11-05 Canon Inc Optical information recording and reproducing device
JPH05242603A (en) * 1992-02-28 1993-09-21 Hitachi Ltd Optical disk system
WO1996024130A1 (en) * 1995-01-31 1996-08-08 Sony Corporation Device for reproducing optical recording medium
JP3850060B2 (en) * 1996-02-13 2006-11-29 三菱電機株式会社 Optical disc and optical disc apparatus
US6343062B1 (en) * 1997-09-26 2002-01-29 Matsushita Electric Industrial Co., Ltd Optical disk device and optical disk for recording and reproducing high-density signals
JP2000132871A (en) * 1998-10-22 2000-05-12 Hitachi Ltd Disk and recording and reproducing device using it
EE200100428A (en) * 1999-12-15 2002-12-16 Koninklijke Philips Electronics N.V. Optical storage and scanning device

Also Published As

Publication number Publication date
CN101154397A (en) 2008-04-02
ZA200500211B (en) 2006-03-29
AU2003255980A1 (en) 2004-04-30
WO2004025627A2 (en) 2004-03-25
WO2004025627A3 (en) 2004-06-03

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase