CA2021155A1 - Appareil d'enregistrement et de lecture a disque optique - Google Patents
Appareil d'enregistrement et de lecture a disque optiqueInfo
- Publication number
- CA2021155A1 CA2021155A1 CA2021155A CA2021155A CA2021155A1 CA 2021155 A1 CA2021155 A1 CA 2021155A1 CA 2021155 A CA2021155 A CA 2021155A CA 2021155 A CA2021155 A CA 2021155A CA 2021155 A1 CA2021155 A1 CA 2021155A1
- Authority
- CA
- Canada
- Prior art keywords
- reproducing apparatus
- optical disk
- disk recording
- speed
- speed offset
- 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.)
- Granted
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
- G11B7/08529—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
- 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
Landscapes
- Moving Of Head For Track Selection And Changing (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1183433A JP2685909B2 (ja) | 1989-07-14 | 1989-07-14 | 光ディスク装置におけるアクセス制御装置 |
JP1-183434 | 1989-07-14 | ||
JP18343489A JPH0349038A (ja) | 1989-07-14 | 1989-07-14 | 光ディスク装置 |
JP1-183433 | 1989-07-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2021155A1 true CA2021155A1 (fr) | 1991-01-15 |
CA2021155C CA2021155C (fr) | 1995-03-28 |
Family
ID=26501872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002021155A Expired - Fee Related CA2021155C (fr) | 1989-07-14 | 1990-07-13 | Appareil d'enregistrement et de lecture a disque optique |
Country Status (4)
Country | Link |
---|---|
US (1) | US5301174A (fr) |
EP (1) | EP0408392B1 (fr) |
CA (1) | CA2021155C (fr) |
DE (1) | DE69025359T2 (fr) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5309417A (en) * | 1991-10-09 | 1994-05-03 | Nippon Conlux Co., Ltd. | Information recording/reproducing apparatus for optical information recording medium |
JPH05174393A (ja) * | 1991-12-20 | 1993-07-13 | Ricoh Co Ltd | ディスク装置のアクセス制御方法および制御装置 |
JPH0778891B2 (ja) * | 1991-12-25 | 1995-08-23 | 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 | 光ディスク駆動装置および方法 |
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 |
DE4345525C2 (de) * | 1992-09-29 | 2002-11-07 | Pioneer Electronic Corp | Optische Disk und Vorrichtung zu deren Wiedergabe |
JPH06274901A (ja) * | 1993-03-24 | 1994-09-30 | Toshiba Corp | 情報処理装置 |
JPH07122009A (ja) * | 1993-10-22 | 1995-05-12 | Sony Corp | トラッキングトラバース制御回路 |
US5566148A (en) * | 1993-12-27 | 1996-10-15 | Kabushiki Kaisha Toshiba | Optical disk tracking system for searching a target track based on a table of compensation reference velocity |
JP3263258B2 (ja) * | 1994-09-30 | 2002-03-04 | 富士通株式会社 | 光ディスク装置のアクチュエータオフセット量検出方法及び装置 |
JP3815809B2 (ja) * | 1995-08-07 | 2006-08-30 | 富士通株式会社 | 光学的記憶装置 |
US5701283A (en) * | 1995-11-15 | 1997-12-23 | Zen Research N.V. | Method and apparatus for high speed optical storage device |
US5652746A (en) * | 1995-11-15 | 1997-07-29 | Zen Research N.V. | Electronic track detection methods for apparatus for simultaneously reading multiple adjacent tracks of an optical disk |
AU7570896A (en) * | 1995-11-15 | 1997-06-05 | Zen Research N.V. | Track detection methods and apparatus for simultaneous electronic monitoring of multiple adjacent tracks of an optical disk |
US5627805A (en) * | 1995-11-15 | 1997-05-06 | Zen Research N.V. | Methods and apparatus for high speed optical storage device |
US5907526A (en) * | 1995-11-15 | 1999-05-25 | Zen Research N.V. | Methods and apparatus for simultaneously reading multiple tracks of an optical storage medium |
US5793549A (en) * | 1995-11-15 | 1998-08-11 | Zen Research N.V. | Methods and apparatus for synchronizing read out of data from multiple tracks of an optical storage device |
US5793715A (en) * | 1995-11-15 | 1998-08-11 | Zen Research N.V. | Methods and apparatus for reducing the access time of an optical drive |
US6381210B1 (en) | 1995-11-15 | 2002-04-30 | Zen Research (Ireland) Ltd. | Methods and apparatus for concurrently processing data from multiple tracks of an optical storage medium |
JPH11178383A (ja) * | 1997-12-04 | 1999-07-02 | Toshiba Corp | 電動機の制御装置 |
US6137763A (en) * | 1998-09-24 | 2000-10-24 | Zen Research N.V. | Method and apparatus for buffering data in a multi-beam optical disk reader |
SG78350A1 (en) | 1999-05-07 | 2001-02-20 | Sony Prec Engineering Ct Singa | Method and apparatus for measuring parameters for sled mechanism |
US6744702B2 (en) * | 2000-09-29 | 2004-06-01 | Kabushiki Kaisha Toshiba | Apparatus for accessing recording disk by controlling the coarse and precise actuators |
CN1732534B (zh) * | 2002-12-30 | 2010-12-22 | 皇家飞利浦电子股份有限公司 | 用于驱动致动器的方法、致动器驱动器以及包括致动器的设备 |
TW200705398A (en) * | 2005-07-27 | 2007-02-01 | Lite On It Corp | Method for generating driving force parameter |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5984379A (ja) * | 1982-11-08 | 1984-05-16 | Nec Corp | デイスク状記録担体のトラツクアクセス装置 |
JPS59154675A (ja) * | 1983-02-22 | 1984-09-03 | Matsushita Electric Ind Co Ltd | 光学式再生装置 |
JPS59171080A (ja) * | 1983-03-18 | 1984-09-27 | Toshiba Corp | デイスクレコ−ド再生装置のトラツク飛び越し制御回路 |
JPS59217272A (ja) * | 1983-05-23 | 1984-12-07 | Toshiba Corp | 磁気ヘツド制御装置 |
EP0141499A1 (fr) * | 1983-08-31 | 1985-05-15 | Memorex Corporation | Techniques d'asservissement pour entraîner un disque |
US4591933A (en) * | 1983-11-28 | 1986-05-27 | Computer Memories, Incorporated | Disk drive head positioner with optimized seek operation |
JP2666248B2 (ja) * | 1985-08-03 | 1997-10-22 | オリンパス光学工業株式会社 | 光学的情報記録再生装置 |
KR910003458B1 (ko) * | 1986-12-02 | 1991-05-31 | 미쓰비시뎅끼 가부시끼가이샤 | 광디스크의 구동장치 |
JP2612262B2 (ja) * | 1986-12-16 | 1997-05-21 | 富士通株式会社 | 磁気デイスク装置 |
JPS644983A (en) * | 1987-06-29 | 1989-01-10 | Nec Corp | Head control method |
JPS6432472A (en) * | 1987-07-28 | 1989-02-02 | Sony Corp | Head position controller |
JP2565205B2 (ja) * | 1987-08-20 | 1996-12-18 | ソニー株式会社 | 光デイスク装置 |
JP2732591B2 (ja) * | 1988-06-30 | 1998-03-30 | 株式会社東芝 | 記録媒体処理装置 |
JPH02179975A (ja) * | 1988-12-29 | 1990-07-12 | Sharp Corp | ディスク装置のアクセス方法 |
US5038333A (en) * | 1989-05-05 | 1991-08-06 | International Business Machines Corporation | Positioning systems including reliable track crossing detection for high speed relative motions |
-
1990
- 1990-07-11 US US07/550,973 patent/US5301174A/en not_active Expired - Lifetime
- 1990-07-13 CA CA002021155A patent/CA2021155C/fr not_active Expired - Fee Related
- 1990-07-13 DE DE69025359T patent/DE69025359T2/de not_active Expired - Lifetime
- 1990-07-13 EP EP90307718A patent/EP0408392B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69025359D1 (de) | 1996-03-28 |
EP0408392A3 (en) | 1992-08-19 |
CA2021155C (fr) | 1995-03-28 |
EP0408392A2 (fr) | 1991-01-16 |
EP0408392B1 (fr) | 1996-02-14 |
DE69025359T2 (de) | 1996-10-17 |
US5301174A (en) | 1994-04-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |