TWI346326B - Optical disk device - Google Patents

Optical disk device

Info

Publication number
TWI346326B
TWI346326B TW096109487A TW96109487A TWI346326B TW I346326 B TWI346326 B TW I346326B TW 096109487 A TW096109487 A TW 096109487A TW 96109487 A TW96109487 A TW 96109487A TW I346326 B TWI346326 B TW I346326B
Authority
TW
Taiwan
Prior art keywords
optical disk
disk device
optical
disk
Prior art date
Application number
TW096109487A
Other languages
English (en)
Other versions
TW200739531A (en
Inventor
Hideki Kubo
Kazuhiko Kameda
Original Assignee
Teac Corp
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 Teac Corp filed Critical Teac Corp
Publication of TW200739531A publication Critical patent/TW200739531A/zh
Application granted granted Critical
Publication of TWI346326B publication Critical patent/TWI346326B/zh

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
    • 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
    • G11B19/14—Control of operating function, e.g. switching from recording to reproducing by sensing movement or position of head, e.g. means moving in correspondence with head movements
    • 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
    • G11B7/0857—Arrangements for mechanically moving the whole head
    • G11B7/08582—Sled-type positioners
TW096109487A 2006-03-22 2007-03-20 Optical disk device TWI346326B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006079659A JP4797731B2 (ja) 2006-03-22 2006-03-22 光ディスク装置

Publications (2)

Publication Number Publication Date
TW200739531A TW200739531A (en) 2007-10-16
TWI346326B true TWI346326B (en) 2011-08-01

Family

ID=38533232

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096109487A TWI346326B (en) 2006-03-22 2007-03-20 Optical disk device

Country Status (4)

Country Link
US (1) US7778123B2 (zh)
JP (1) JP4797731B2 (zh)
CN (1) CN101042899B (zh)
TW (1) TWI346326B (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009086114A1 (en) * 2007-12-19 2009-07-09 Viasat, Inc. System and methods for determining motor position
JP2013145614A (ja) * 2012-01-13 2013-07-25 Hitachi Media Electoronics Co Ltd 光ディスク装置、および、それに用いる光ピックアップ

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0234089B2 (ja) * 1983-03-30 1990-08-01 Hitachi Seisakusho Kk Mokuhyotoratsukuichikensakusochi
US4710691A (en) * 1986-03-27 1987-12-01 Anacomp, Inc. Process and apparatus for characterizing and controlling a synchronous motor in microstepper mode
JPH0640423B2 (ja) * 1986-10-13 1994-05-25 富士通株式会社 情報記憶装置の位置決め制御方式
JPH06344745A (ja) * 1993-06-14 1994-12-20 Aisin Seiki Co Ltd サスペンション制御系の脱調検出装置
JPH11215894A (ja) * 1998-01-23 1999-08-06 Matsushita Electric Ind Co Ltd ステッピングモータの制御装置
JP3829675B2 (ja) * 2001-09-26 2006-10-04 ヤマハ株式会社 ディスク装置及び光ピックアップ移送制御方法
JP2003173545A (ja) * 2001-11-30 2003-06-20 Ricoh Co Ltd 記録情報読み取り装置
JP4482279B2 (ja) * 2003-02-06 2010-06-16 パナソニック株式会社 ディスク装置
JP2005243141A (ja) * 2004-02-26 2005-09-08 Alpine Electronics Inc ステッピングモータ駆動装置、脱調検出装置および脱調検出方法

Also Published As

Publication number Publication date
US20070223338A1 (en) 2007-09-27
US7778123B2 (en) 2010-08-17
TW200739531A (en) 2007-10-16
CN101042899B (zh) 2011-10-26
JP2007257722A (ja) 2007-10-04
JP4797731B2 (ja) 2011-10-19
CN101042899A (zh) 2007-09-26

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees