DE3678311D1 - Optisches plattengeraet. - Google Patents

Optisches plattengeraet.

Info

Publication number
DE3678311D1
DE3678311D1 DE8686101750T DE3678311T DE3678311D1 DE 3678311 D1 DE3678311 D1 DE 3678311D1 DE 8686101750 T DE8686101750 T DE 8686101750T DE 3678311 T DE3678311 T DE 3678311T DE 3678311 D1 DE3678311 D1 DE 3678311D1
Authority
DE
Germany
Prior art keywords
optical disk
disk device
optical
disk
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
DE8686101750T
Other languages
English (en)
Inventor
Toshio Sugiyama
Hideo Suenaga
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 JP2620985A external-priority patent/JP2594901B2/ja
Priority claimed from JP2620885A external-priority patent/JPS61187130A/ja
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE3678311D1 publication Critical patent/DE3678311D1/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
    • G11B7/0946—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 specially adapted for operation during external perturbations not related to the carrier or servo beam, e.g. vibration
    • 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
    • G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in only
DE8686101750T 1985-02-15 1986-02-12 Optisches plattengeraet. Expired - Lifetime DE3678311D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2620985A JP2594901B2 (ja) 1985-02-15 1985-02-15 光デイスク装置
JP2620885A JPS61187130A (ja) 1985-02-15 1985-02-15 光デイスク装置

Publications (1)

Publication Number Publication Date
DE3678311D1 true DE3678311D1 (de) 1991-05-02

Family

ID=26363953

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686101750T Expired - Lifetime DE3678311D1 (de) 1985-02-15 1986-02-12 Optisches plattengeraet.

Country Status (3)

Country Link
US (1) US4744069A (de)
EP (1) EP0191467B1 (de)
DE (1) DE3678311D1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH067413B2 (ja) * 1985-07-03 1994-01-26 株式会社リコー 光ピツクアツプのトラツキング制御方式
JPS62180568A (ja) * 1986-02-04 1987-08-07 Sony Corp デイスク状記録媒体の欠陥検出装置
JPS62270033A (ja) * 1986-05-19 1987-11-24 Yamaha Corp 光ピツクアツプ制御装置
JPH0777048B2 (ja) * 1987-06-26 1995-08-16 三菱電機株式会社 記録媒体駆動装置
JP2508761B2 (ja) * 1987-10-20 1996-06-19 日本電気株式会社 光記憶再生装置
JPH069087B2 (ja) * 1988-10-06 1994-02-02 キヤノン株式会社 光学的情報記録再生装置
JP2701392B2 (ja) * 1988-12-14 1998-01-21 ソニー株式会社 フオーカスエラー検出回路
JP2866160B2 (ja) * 1990-07-19 1999-03-08 パイオニア株式会社 光学式ディスクプレーヤ
JP2897379B2 (ja) * 1990-09-04 1999-05-31 ソニー株式会社 アドレス情報再生装置
JP3815809B2 (ja) * 1995-08-07 2006-08-30 富士通株式会社 光学的記憶装置
US5956304A (en) * 1997-08-15 1999-09-21 Cirrus Logic, Inc. Differential phase error detector using dual arm correlation for servo tracking in an optical disk storage device
FR2796487B1 (fr) * 1999-06-28 2001-10-12 St Microelectronics Sa Procede et dispositif pour l'asservissement d'un faisceau optique incident sur une piste d'un support mobile d'informations, en particulier un disque numerique a vitesse de rotation elevee
JP3787051B2 (ja) * 2000-02-09 2006-06-21 松下電器産業株式会社 光ディスク装置のピックアップ駆動制御装置
FR2805381B1 (fr) * 2000-02-23 2003-09-05 St Microelectronics Sa Procede et dispositif de controle du positionnement d'un faisceau optique incident sur une piste d'un support mobile d'informations contenues dans ladite piste, en particulier un disque numerique multifonctions
JP4475833B2 (ja) * 2001-03-02 2010-06-09 日本テキサス・インスツルメンツ株式会社 ミラー検出信号生成回路
JP2003196858A (ja) * 2001-12-27 2003-07-11 Texas Instr Japan Ltd トラッキングエラー検出装置
JP3565275B2 (ja) * 2002-04-17 2004-09-15 船井電機株式会社 フォーカスサーチ方法
US7616537B2 (en) * 2002-11-07 2009-11-10 Samsung Electronics Co., Ltd. Focus search apparatus and method
US8179753B2 (en) * 2006-05-17 2012-05-15 Nec Corporation Positioning control unit and optical disk drive
JP2011100500A (ja) * 2009-11-04 2011-05-19 Hitachi Consumer Electronics Co Ltd 光ディスク装置およびトラッキング制御方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7810386A (nl) * 1978-10-17 1980-04-21 Philips Nv Optische leesinrichting voor het uitlezen van een schijfvormige registratiedrager.
NL8005633A (nl) * 1980-10-13 1982-05-03 Philips Nv Inrichting voor het uitlezen en/of inschrijven van een optisch uitleesbare informatiestruktuur.
JPS5774837A (en) * 1980-10-25 1982-05-11 Olympus Optical Co Ltd Signal detection system of optical information reproducing device
FR2497378B1 (fr) * 1980-12-29 1985-06-28 Thomson Csf Dispositif compensateur de desequilibre d'un miroir de renvoi appartenant a un systeme optique d'eclairement d'un support d'information
JPS5817549A (ja) * 1981-07-22 1983-02-01 Hitachi Ltd 光学的トラツク追従装置
JPS5841447A (ja) * 1981-09-04 1983-03-10 Hitachi Ltd 光スポット制御信号検出方法
JPH0612573B2 (ja) * 1981-09-10 1994-02-16 パイオニアビデオ株式会社 情報読取装置における記録トラックとピックアップとのトラック直交方向相対位置制御装置
JPS5873023A (ja) * 1981-10-27 1983-05-02 Pioneer Electronic Corp 情報読取装置におけるトラツキングサ−ボ信号発生装置
JPS58118039A (ja) * 1982-01-06 1983-07-13 Hitachi Ltd 光デイスクトラツク追跡装置
EP0098076A1 (de) * 1982-06-14 1984-01-11 Nec Corporation Strahlzugriffsgerät für eine Vorrichtung mit optischen Scheiben
JPS592240A (ja) * 1982-06-25 1984-01-07 Pioneer Electronic Corp トラツキングサ−ボ装置
JPS5919250A (ja) * 1982-07-21 1984-01-31 Hitachi Ltd 情報の記録再生装置
JPH077513B2 (ja) * 1982-11-04 1995-01-30 パイオニア株式会社 光学式情報読取装置
JPS59167861A (ja) * 1983-03-14 1984-09-21 Sony Corp 光学式デイスク・プレ−ヤ−のトラツキング制御装置
JPS59185038A (ja) * 1983-04-04 1984-10-20 Trio Kenwood Corp フオ−カスエラ−検出装置

Also Published As

Publication number Publication date
US4744069A (en) 1988-05-10
EP0191467B1 (de) 1991-03-27
EP0191467A2 (de) 1986-08-20
EP0191467A3 (en) 1988-03-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee