DE68916881D1 - Spursuchvorrichtung. - Google Patents

Spursuchvorrichtung.

Info

Publication number
DE68916881D1
DE68916881D1 DE68916881T DE68916881T DE68916881D1 DE 68916881 D1 DE68916881 D1 DE 68916881D1 DE 68916881 T DE68916881 T DE 68916881T DE 68916881 T DE68916881 T DE 68916881T DE 68916881 D1 DE68916881 D1 DE 68916881D1
Authority
DE
Germany
Prior art keywords
finder
lane
lane finder
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.)
Expired - Lifetime
Application number
DE68916881T
Other languages
English (en)
Other versions
DE68916881T2 (de
Inventor
Hiroyuki Yamaguchi
Mitsuro Moriya
Shin-Ich Yamada
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
Original Assignee
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
Priority claimed from JP63213971A external-priority patent/JP2568641B2/ja
Priority claimed from JP63328239A external-priority patent/JP2532633B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE68916881D1 publication Critical patent/DE68916881D1/de
Application granted granted Critical
Publication of DE68916881T2 publication Critical patent/DE68916881T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • 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
    • 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
DE68916881T 1988-08-29 1989-08-25 Spursuchvorrichtung. Expired - Lifetime DE68916881T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63213971A JP2568641B2 (ja) 1988-08-29 1988-08-29 トラック検索装置
JP63328239A JP2532633B2 (ja) 1988-12-26 1988-12-26 トラック検索装置

Publications (2)

Publication Number Publication Date
DE68916881D1 true DE68916881D1 (de) 1994-08-25
DE68916881T2 DE68916881T2 (de) 1995-03-09

Family

ID=26520081

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68916881T Expired - Lifetime DE68916881T2 (de) 1988-08-29 1989-08-25 Spursuchvorrichtung.

Country Status (4)

Country Link
US (1) US5146440A (de)
EP (1) EP0357353B1 (de)
KR (1) KR930005911B1 (de)
DE (1) DE68916881T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9000131A (nl) * 1990-01-19 1991-08-16 Philips Nv Lees- en/of schrijfinrichting.
EP0443847B1 (de) * 1990-02-22 2000-12-06 Canon Kabushiki Kaisha Informations-Aufzeichnungs-/Wiedergabegerät
JP2693281B2 (ja) * 1991-03-19 1997-12-24 富士通株式会社 光ディスク装置のシーク制御方法及びその回路
US5789719A (en) * 1991-05-02 1998-08-04 Milco Manufacturing Co. Method and apparatus for electrical resistance spot welding
US5428590A (en) * 1991-06-04 1995-06-27 Canon Kabushiki Kaisha Information recording and reproducing apparatus and method in which an information recording or reproducing head seeks a desired track on a recording medium
JP2716902B2 (ja) * 1992-02-14 1998-02-18 富士通株式会社 光ディスク装置
JP3110856B2 (ja) * 1992-04-22 2000-11-20 オリンパス光学工業株式会社 光学ヘッドアクセス制御装置
JP2795365B2 (ja) * 1992-05-28 1998-09-10 インターナショナル・ビジネス・マシーンズ・コーポレイション ディジタル閉ループ系制御方法およびシステム、およびそのシステムを用いたディスク型記憶装置
JP2659500B2 (ja) * 1992-09-17 1997-09-30 富士通株式会社 光ディスク装置のアクセス制御回路
KR0163711B1 (ko) * 1992-10-01 1999-01-15 윤종용 광 디스크 시스템의 스핀들 모터 제어 회로
US5566141A (en) * 1993-04-13 1996-10-15 Matsushita Electric Industrial Co., Ltd. Track retrieving method for making a light beam jump and scan from one track to another
US5719836A (en) 1995-04-07 1998-02-17 Discovision Associates Optical seeking method and apparatus generating track count signal from tracking error signal and data signal
JP3815809B2 (ja) * 1995-08-07 2006-08-30 富士通株式会社 光学的記憶装置
KR0162607B1 (ko) * 1995-12-20 1999-01-15 김광호 보이스코일모터 구동 제어회로
JP3633095B2 (ja) * 1996-04-22 2005-03-30 富士通株式会社 光学的記憶装置
JP3335314B2 (ja) * 1998-10-29 2002-10-15 インターナショナル・ビジネス・マシーンズ・コーポレーション データ記録装置及びこれの制御方法
US6371370B2 (en) * 1999-05-24 2002-04-16 Agilent Technologies, Inc. Apparatus and method for scanning a surface
US7319570B2 (en) 2005-09-19 2008-01-15 Seagate Technology Llc Random vibration and shock compensator using a disturbance observer
JP2013157069A (ja) * 2012-01-31 2013-08-15 Toshiba Corp 磁気ディスク装置、及び磁気ディスク装置の制御方法
KR101712419B1 (ko) 2016-04-22 2017-03-06 박용필 내후성 복합시트

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2594586B1 (fr) * 1986-02-14 1988-04-29 Bull Sa Procede pour deplacer un systeme mobile par rapport a un support d'informations et dispositif pour le mettre en oeuvre
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
KR910003458B1 (ko) * 1986-12-02 1991-05-31 미쓰비시뎅끼 가부시끼가이샤 광디스크의 구동장치
JPS63171431A (ja) * 1987-01-07 1988-07-15 Mitsubishi Electric Corp 光デイスク駆動装置
JP2565205B2 (ja) * 1987-08-20 1996-12-18 ソニー株式会社 光デイスク装置
US4926405A (en) * 1987-09-08 1990-05-15 Pioneer Electronic Corporation High-speed search method for use in a disc player system

Also Published As

Publication number Publication date
KR930005911B1 (ko) 1993-06-25
EP0357353A2 (de) 1990-03-07
EP0357353A3 (de) 1991-03-27
EP0357353B1 (de) 1994-07-20
DE68916881T2 (de) 1995-03-09
KR900003824A (ko) 1990-03-27
US5146440A (en) 1992-09-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP