JP2005537606A - 光ディスク装置 - Google Patents

光ディスク装置 Download PDF

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Publication number
JP2005537606A
JP2005537606A JP2004532689A JP2004532689A JP2005537606A JP 2005537606 A JP2005537606 A JP 2005537606A JP 2004532689 A JP2004532689 A JP 2004532689A JP 2004532689 A JP2004532689 A JP 2004532689A JP 2005537606 A JP2005537606 A JP 2005537606A
Authority
JP
Japan
Prior art keywords
linear velocity
optical disc
moving
light beam
spot
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.)
Withdrawn
Application number
JP2004532689A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005537606A5 (https=
Inventor
徹 丸山
隆 岸本
健司 藤畝
克也 渡邊
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.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co Ltd
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 Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Publication of JP2005537606A publication Critical patent/JP2005537606A/ja
Publication of JP2005537606A5 publication Critical patent/JP2005537606A5/ja
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • 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
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/24—Arrangements for providing constant relative speed between record carrier and head
    • G11B19/247—Arrangements for providing constant relative speed between record carrier and head using electrical means
    • 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
    • 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
    • G11B7/08529—Methods and circuits to control the velocity of the head as it traverses the tracks

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Rotational Drive Of Disk (AREA)
JP2004532689A 2002-08-30 2003-08-13 光ディスク装置 Withdrawn JP2005537606A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002254335 2002-08-30
PCT/JP2003/010277 WO2004021344A1 (en) 2002-08-30 2003-08-13 Optical disc apparatus

Publications (2)

Publication Number Publication Date
JP2005537606A true JP2005537606A (ja) 2005-12-08
JP2005537606A5 JP2005537606A5 (https=) 2006-04-27

Family

ID=31972836

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004532689A Withdrawn JP2005537606A (ja) 2002-08-30 2003-08-13 光ディスク装置

Country Status (8)

Country Link
US (1) US20050219976A1 (https=)
EP (2) EP1532627B1 (https=)
JP (1) JP2005537606A (https=)
KR (1) KR20050056991A (https=)
CN (1) CN1324598C (https=)
AU (1) AU2003253445A1 (https=)
DE (2) DE60315200T2 (https=)
WO (1) WO2004021344A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008041113A (ja) * 2006-08-01 2008-02-21 Kenwood Corp 光ディスク装置、光ディスク装置の光ディスク種別判別方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7804753B2 (en) * 2005-01-24 2010-09-28 Panasonic Corporation Optical disk drive for discriminating types of optical disks
WO2007046222A1 (ja) * 2005-10-19 2007-04-26 Pioneer Corporation 光ディスク判別装置、再生装置、光ディスク判別方法、光ディスク判別プログラムおよび記録媒体

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5254920A (en) * 1991-06-14 1993-10-19 Western Digital (Singapore) Pte. Ltd. Seek system for sector servo disk drive
JPH1011890A (ja) * 1996-06-24 1998-01-16 Matsushita Electric Ind Co Ltd 光記録再生装置
JPH11176070A (ja) * 1997-12-15 1999-07-02 Sharp Corp 光ディスク装置
JP2000173167A (ja) * 1998-12-09 2000-06-23 Funai Electric Co Ltd 線速度判別方法および光ディスク装置
DE60042907D1 (de) * 1999-05-19 2009-10-15 Mitsubishi Kagaku Media Co Ltd Aufzeichnen bei konstanter Winkelgeschwindigkeit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008041113A (ja) * 2006-08-01 2008-02-21 Kenwood Corp 光ディスク装置、光ディスク装置の光ディスク種別判別方法

Also Published As

Publication number Publication date
US20050219976A1 (en) 2005-10-06
AU2003253445A1 (en) 2004-03-19
EP1628295B1 (en) 2007-07-25
EP1628295A2 (en) 2006-02-22
EP1628295A3 (en) 2006-03-01
DE60319838D1 (de) 2008-04-30
EP1532627A1 (en) 2005-05-25
EP1532627B1 (en) 2008-03-19
DE60315200T2 (de) 2008-04-17
WO2004021344A1 (en) 2004-03-11
DE60315200D1 (de) 2007-09-06
CN1659651A (zh) 2005-08-24
KR20050056991A (ko) 2005-06-16
CN1324598C (zh) 2007-07-04
DE60319838T2 (de) 2009-04-23

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