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WO2008015631A3 - Method and device for focus capture on a specific layer of an optical storage medium - Google Patents

Method and device for focus capture on a specific layer of an optical storage medium Download PDF

Info

Publication number
WO2008015631A3
WO2008015631A3 PCT/IB2007/053004 IB2007053004W WO2008015631A3 WO 2008015631 A3 WO2008015631 A3 WO 2008015631A3 IB 2007053004 W IB2007053004 W IB 2007053004W WO 2008015631 A3 WO2008015631 A3 WO 2008015631A3
Authority
WO
WIPO (PCT)
Prior art keywords
storage medium
optical storage
information storage
specific layer
focus capture
Prior art date
Application number
PCT/IB2007/053004
Other languages
French (fr)
Other versions
WO2008015631A2 (en
Inventor
Husseini Mohamad-Hussein El
Stefan Geusens
Jacobus A Wisse
Original Assignee
Koninkl Philips Electronics Nv
Husseini Mohamad-Hussein El
Stefan Geusens
Jacobus A Wisse
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 Koninkl Philips Electronics Nv, Husseini Mohamad-Hussein El, Stefan Geusens, Jacobus A Wisse filed Critical Koninkl Philips Electronics Nv
Publication of WO2008015631A2 publication Critical patent/WO2008015631A2/en
Publication of WO2008015631A3 publication Critical patent/WO2008015631A3/en

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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus pull-in only
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers

Landscapes

  • Optical Recording Or Reproduction (AREA)

Abstract

A method and device for focus capture on a specific layer of an optical storage medium are disclosed. The optical storage medium has multiple information storage layers (L0, L1). The method is performed in device for reading from and/or writing to the optical storage medium. The method comprises identifying passing of a first information storage layer (L0) of said multiple information storage layers (L1, L1) during a ramping procedure of an optical pick-up unit in said device, and enabling a focus locking procedure to a specific information storage layer (L1) of the multiple layers of said optical storage medium at a position passed subsequently during said ramping procedure.
PCT/IB2007/053004 2006-08-02 2007-07-30 Method and device for focus capture on a specific layer of an optical storage medium WO2008015631A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06118303.4 2006-08-02
EP06118303 2006-08-02

Publications (2)

Publication Number Publication Date
WO2008015631A2 WO2008015631A2 (en) 2008-02-07
WO2008015631A3 true WO2008015631A3 (en) 2008-04-24

Family

ID=38961490

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2007/053004 WO2008015631A2 (en) 2006-08-02 2007-07-30 Method and device for focus capture on a specific layer of an optical storage medium

Country Status (2)

Country Link
TW (1) TW200832385A (en)
WO (1) WO2008015631A2 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5966355A (en) * 1996-08-07 1999-10-12 Pioneer Electronic Corporation Focus servo pull-in apparatus for use in a compatible disk player
US6104019A (en) * 1997-04-16 2000-08-15 Pioneer Electronic Corporation Device for and method of focus control, and information reproduction apparatus having the device
US6298019B1 (en) * 1995-07-27 2001-10-02 Matsushita Electric Industrial Co., Ltd. Optical disk apparatus
US20040213116A1 (en) * 2003-04-28 2004-10-28 Matsushita Electric Industrial Co., Ltd. Optical head and read/write drive including the optical head
EP1521246A1 (en) * 2002-07-04 2005-04-06 Sony Corporation Optical recording/reproduction device and focal point control method
US20050254360A1 (en) * 2004-05-17 2005-11-17 Matsushita Electric Industrial Co., Ltd. Focus control method for optical disk device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6298019B1 (en) * 1995-07-27 2001-10-02 Matsushita Electric Industrial Co., Ltd. Optical disk apparatus
US5966355A (en) * 1996-08-07 1999-10-12 Pioneer Electronic Corporation Focus servo pull-in apparatus for use in a compatible disk player
US6104019A (en) * 1997-04-16 2000-08-15 Pioneer Electronic Corporation Device for and method of focus control, and information reproduction apparatus having the device
EP1521246A1 (en) * 2002-07-04 2005-04-06 Sony Corporation Optical recording/reproduction device and focal point control method
US20040213116A1 (en) * 2003-04-28 2004-10-28 Matsushita Electric Industrial Co., Ltd. Optical head and read/write drive including the optical head
US20050254360A1 (en) * 2004-05-17 2005-11-17 Matsushita Electric Industrial Co., Ltd. Focus control method for optical disk device

Also Published As

Publication number Publication date
TW200832385A (en) 2008-08-01
WO2008015631A2 (en) 2008-02-07

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