DE3686589D1 - Spurfolgesystem zum steuerbaren projizieren eines optischen strahles auf eine optische platte. - Google Patents

Spurfolgesystem zum steuerbaren projizieren eines optischen strahles auf eine optische platte.

Info

Publication number
DE3686589D1
DE3686589D1 DE8686101279T DE3686589T DE3686589D1 DE 3686589 D1 DE3686589 D1 DE 3686589D1 DE 8686101279 T DE8686101279 T DE 8686101279T DE 3686589 T DE3686589 T DE 3686589T DE 3686589 D1 DE3686589 D1 DE 3686589D1
Authority
DE
Germany
Prior art keywords
optical
tracking system
controllable
projecting
optical beam
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 - Fee Related
Application number
DE8686101279T
Other languages
English (en)
Other versions
DE3686589T2 (de
Inventor
Shigeru Arai
Toshitaka Iwamoto
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 JP60018024A external-priority patent/JPS61177648A/ja
Priority claimed from JP60118532A external-priority patent/JPS61276136A/ja
Priority claimed from JP60171615A external-priority patent/JPS6233345A/ja
Priority claimed from JP17161685A external-priority patent/JPS6233346A/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE3686589D1 publication Critical patent/DE3686589D1/de
Application granted granted Critical
Publication of DE3686589T2 publication Critical patent/DE3686589T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B7/095—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 discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—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 discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
    • 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
DE8686101279T 1985-01-31 1986-01-31 Spurfolgesystem zum steuerbaren projizieren eines optischen strahles auf eine optische platte. Expired - Fee Related DE3686589T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP60018024A JPS61177648A (ja) 1985-01-31 1985-01-31 光学ヘッドのトラッキング制御装置
JP60118532A JPS61276136A (ja) 1985-05-30 1985-05-30 デイスク傾き補正方式
JP60171615A JPS6233345A (ja) 1985-08-03 1985-08-03 デイスク傾き補正方式
JP17161685A JPS6233346A (ja) 1985-08-03 1985-08-03 デイスク傾き補正方式

Publications (2)

Publication Number Publication Date
DE3686589D1 true DE3686589D1 (de) 1992-10-08
DE3686589T2 DE3686589T2 (de) 1993-04-15

Family

ID=27456883

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686101279T Expired - Fee Related DE3686589T2 (de) 1985-01-31 1986-01-31 Spurfolgesystem zum steuerbaren projizieren eines optischen strahles auf eine optische platte.

Country Status (4)

Country Link
US (1) US4782474A (de)
EP (1) EP0189932B1 (de)
CA (1) CA1255385A (de)
DE (1) DE3686589T2 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1270559A (en) * 1985-10-30 1990-06-19 Shigeo Terashima Tracking circuit for an optical information recording and reproducing apparatus
JPS6378386A (ja) * 1986-09-19 1988-04-08 Pioneer Electronic Corp 微調サ−ボ装置におけるオフセツト補償回路
JP2613200B2 (ja) * 1987-01-09 1997-05-21 株式会社日立製作所 光デイスク原盤作製装置
JP2911449B2 (ja) * 1987-10-29 1999-06-23 パイオニア株式会社 光学式情報読取装置
JPH0262734A (ja) * 1988-08-30 1990-03-02 Hitachi Ltd 分離形光ヘッド
JP2731405B2 (ja) * 1988-12-02 1998-03-25 株式会社リコー 分離型光ピックアップ装置における光軸ずれ補正方法
US5010535A (en) * 1989-01-19 1991-04-23 Hewlett-Packard Company Apparatus and process for measuring data disk runout and acceleration parameters
JPH02128216U (de) * 1989-03-30 1990-10-23
US5090797A (en) * 1989-06-09 1992-02-25 Lc Technologies Inc. Method and apparatus for mirror control
JPH0782647B2 (ja) * 1989-11-08 1995-09-06 富士通株式会社 光ディスク装置
JPH03185639A (ja) * 1989-12-14 1991-08-13 Konica Corp 光ピックアップ
US4994661A (en) * 1989-12-23 1991-02-19 University Of Pittsburgh Optical two-dimensional servo-loop for laser beam stabilization and/or position encoding
JP2861457B2 (ja) * 1990-05-24 1999-02-24 セイコーエプソン株式会社 光学式記録再生装置
DE4103854A1 (de) * 1991-02-08 1992-08-27 Thomson Brandt Gmbh Optische abtastvorrichtung
JPH05109092A (ja) * 1991-10-14 1993-04-30 Sony Corp 光テープ記録再生装置
EP0545133B1 (de) * 1991-11-20 1997-05-14 Sony Corporation Optische Abtasteinrichtung und Fokusservoeinrichtung dafür
DE69227434T2 (de) * 1991-11-22 1999-03-18 Fujitsu Ltd Positionsregelsystem
US5253245A (en) * 1992-01-21 1993-10-12 International Business Machines Corporation Optical data storage tracking system
JP3193105B2 (ja) * 1992-02-29 2001-07-30 日本ビクター株式会社 チルトエラー検出装置
DE4211213C2 (de) * 1992-04-03 2001-03-15 Thomson Brandt Gmbh Regelung optischer Abtastsysteme, insbesondere in der Anlaufphase der Abspielgeräte
JP3369666B2 (ja) * 1993-09-22 2003-01-20 株式会社東芝 光学ヘッド装置
US5526144A (en) * 1993-11-18 1996-06-11 International Business Machines Corporation Optical system with pivoting hologram
JP3191200B2 (ja) * 1994-11-10 2001-07-23 コニカ株式会社 光情報記録媒体の記録再生装置
JP3505282B2 (ja) * 1995-07-31 2004-03-08 株式会社東芝 光ヘッド装置および情報処理装置
US5740150A (en) * 1995-11-24 1998-04-14 Kabushiki Kaisha Toshiba Galvanomirror and optical disk drive using the same
US5877494A (en) * 1996-07-29 1999-03-02 Agfa Division, Bayer Corporation Beam error correction using movable correction element
US5796511A (en) * 1996-08-30 1998-08-18 Agfa Division, Bayer Corporation Multi-beam scanner with acousto-optic element for scanning imaging surfaces
US5864418A (en) * 1996-08-30 1999-01-26 Bayer Corporation Agfa Division Multi-beam scanner with mechanically moving element for scanning imaging surfaces
US5892610A (en) * 1997-07-10 1999-04-06 Agfa Division--Bayer Corporation Scanning system with error-correcting deflector
DE19743935A1 (de) * 1997-10-04 1999-04-08 Thomson Brandt Gmbh Gerät zum Lesen oder Beschreiben optischer Aufzeichnungsträger
SG72954A1 (en) 1998-05-21 2000-05-23 Samsung Electronics Co Ltd Optical pickup
US7218582B2 (en) * 2002-12-13 2007-05-15 Matsushita Electric Industrial Co., Ltd. Optical disc drive
TWI291592B (en) * 2005-09-27 2007-12-21 Primax Electronics Ltd Adjusting method for focus of optical image
CN100465783C (zh) * 2005-10-09 2009-03-04 致伸科技股份有限公司 光学镜头模块的聚焦调整方法
JP2012243347A (ja) * 2011-05-19 2012-12-10 Sony Corp 記録装置、サーボ制御方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4198657A (en) * 1975-07-07 1980-04-15 Pioneer Electronic Corporation Optical disk reader with means for correcting errors due to eccentricity and time axis variations
JPS52141608A (en) * 1976-05-20 1977-11-26 Sony Corp Information detector
JPS56165937A (en) * 1980-05-23 1981-12-19 Matsushita Electric Ind Co Ltd Optical recorder and reproducer
NL8005633A (nl) * 1980-10-13 1982-05-03 Philips Nv Inrichting voor het uitlezen en/of inschrijven van een optisch uitleesbare informatiestruktuur.
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
JPS57130240A (en) * 1981-02-05 1982-08-12 Olympus Optical Co Ltd Optical information recording and reproducing device and information recording medium for it
JPS57178233A (en) * 1981-04-27 1982-11-02 Sony Corp Supporting structure of optical system
JPS57179954A (en) * 1981-04-27 1982-11-05 Sony Corp Optical type disc player
FR2523351B1 (fr) * 1982-03-09 1989-07-13 Thomson Csf Tete optique dans un dispositif d'enregistrement-lecture d'un support d'information
JPS59168835U (ja) * 1983-04-27 1984-11-12 パイオニア株式会社 光学式記録情報読取装置
JPS609018U (ja) * 1983-06-24 1985-01-22 パイオニア株式会社 光学式記録情報読取装置
JPS60175224A (ja) * 1984-02-20 1985-09-09 Asahi Optical Co Ltd 光学的情報記録再生装置

Also Published As

Publication number Publication date
DE3686589T2 (de) 1993-04-15
CA1255385A (en) 1989-06-06
EP0189932B1 (de) 1992-09-02
EP0189932A3 (en) 1988-07-13
US4782474A (en) 1988-11-01
EP0189932A2 (de) 1986-08-06

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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