DE69429609D1 - Magnetooptisches Plattengerät mit einem einzigen Mikroprozessor - Google Patents
Magnetooptisches Plattengerät mit einem einzigen MikroprozessorInfo
- Publication number
- DE69429609D1 DE69429609D1 DE69429609T DE69429609T DE69429609D1 DE 69429609 D1 DE69429609 D1 DE 69429609D1 DE 69429609 T DE69429609 T DE 69429609T DE 69429609 T DE69429609 T DE 69429609T DE 69429609 D1 DE69429609 D1 DE 69429609D1
- Authority
- DE
- Germany
- Prior art keywords
- magneto
- optical disk
- disk device
- single microprocessor
- microprocessor
- 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
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
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/1055—Disposition or mounting of transducers relative to record carriers
- G11B11/10576—Disposition or mounting of transducers relative to record carriers with provision for moving the transducers for maintaining alignment or spacing relative to the carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10595—Control of operating function
-
- 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
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25580393A JP3610082B2 (ja) | 1993-10-13 | 1993-10-13 | 光磁気ディスク装置 |
JP16680494A JPH0830988A (ja) | 1994-07-19 | 1994-07-19 | 光学的情報記録再生装置 |
JP20982694A JP3154898B2 (ja) | 1994-09-02 | 1994-09-02 | 光学的情報記録再生装置 |
JP21875094A JPH0883448A (ja) | 1994-09-13 | 1994-09-13 | 光学的情報記録再生装置 |
JP21983694A JPH0887819A (ja) | 1994-09-14 | 1994-09-14 | 情報記録再生装置 |
JP21983594A JPH0887752A (ja) | 1994-09-14 | 1994-09-14 | 光学的情報記録再生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69429609D1 true DE69429609D1 (de) | 2002-02-14 |
DE69429609T2 DE69429609T2 (de) | 2002-08-14 |
Family
ID=27553322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69429609T Expired - Fee Related DE69429609T2 (de) | 1993-10-13 | 1994-10-11 | Magnetooptisches Plattengerät mit einem einzigen Mikroprozessor |
Country Status (4)
Country | Link |
---|---|
US (1) | US5699330A (de) |
EP (1) | EP0649134B1 (de) |
DE (1) | DE69429609T2 (de) |
ES (1) | ES2168289T3 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5825729A (en) * | 1993-12-15 | 1998-10-20 | Canon Kabushiki Kaisha | Information recording and/or reproducing method and apparatus in which a servo process of a light beam is interrupted between input/output control of data at predetermined periods |
JP3062140B2 (ja) * | 1997-11-10 | 2000-07-10 | 日本電気アイシーマイコンシステム株式会社 | 光ディスクドライブの制御方法 |
US6378051B1 (en) * | 1999-06-14 | 2002-04-23 | Maxtor Corporation | Interrupt signal prioritized shared buffer memory access system and method |
JP2001023317A (ja) * | 1999-07-02 | 2001-01-26 | Nec Corp | 光ディスク記録再生方法および装置ならびに光ディスク記録再生プログラムを記録した媒体 |
JP3968495B2 (ja) * | 1999-09-16 | 2007-08-29 | ソニー株式会社 | 光記録媒体駆動装置、フォーカス設定値補正方法、並びに光記録媒体 |
US6868050B1 (en) * | 2000-08-15 | 2005-03-15 | Promos Technologies Inc. | Calibration method for writing to optical media |
JP4109919B2 (ja) * | 2002-07-19 | 2008-07-02 | キヤノン株式会社 | 光学的情報再生装置 |
JP4231759B2 (ja) | 2003-09-22 | 2009-03-04 | 株式会社日立メディアエレクトロニクス | 光情報記録装置 |
JP2005174419A (ja) * | 2003-12-09 | 2005-06-30 | Canon Inc | 光学的情報記録再生装置及び光学的情報記録再生方法 |
US20050180276A1 (en) * | 2004-02-17 | 2005-08-18 | Canon Kabushiki Kaisha | Optical information recording and reproducing apparatus |
JP2006018974A (ja) * | 2004-07-05 | 2006-01-19 | Pioneer Electronic Corp | 情報記録装置及び情報記録媒体 |
JP2007087440A (ja) * | 2005-09-20 | 2007-04-05 | Hitachi-Lg Data Storage Inc | 光ディスク装置及びその制御方法 |
JP2007184039A (ja) * | 2006-01-06 | 2007-07-19 | Canon Inc | 情報記録装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0687323B2 (ja) * | 1986-04-10 | 1994-11-02 | キヤノン株式会社 | 光磁気記録再生装置 |
JPS63140429A (ja) * | 1986-12-03 | 1988-06-13 | Canon Inc | 光学的情報記録再生装置 |
US4942563A (en) * | 1987-09-30 | 1990-07-17 | Kabushiki Kaisha Toshiba | Signal processing apparatus and method capable of providing precise digital data |
US5260923A (en) * | 1988-02-29 | 1993-11-09 | Canon Kabushiki Kaisha | Optical information processing apparatus in which an optical head is moved in accordance with a lens positional signal eliminating an eccentric component therefrom |
JP2625476B2 (ja) * | 1988-03-02 | 1997-07-02 | キヤノン株式会社 | 光学的記録再生装置 |
EP0375342B1 (de) * | 1988-12-21 | 1995-02-15 | Matsushita Electric Industrial Co., Ltd. | Datenaufzeichnungs-wiedergabegerät auf einer Aufzeichnungsscheibe |
DE69028035T2 (de) * | 1989-04-28 | 1997-01-16 | Canon Kk | Optisches Informationsaufnahme-/-wiedergabegerät mit digitaler Servoeinrichtung zum Fokussieren und/oder zur Spurfolge eines optischen Kopfes, basierend auf digitale Information |
US4937440A (en) * | 1989-08-29 | 1990-06-26 | Hewlett-Packard Company | System and method for beam farfield shift focus compensation |
JP2540224B2 (ja) * | 1990-05-22 | 1996-10-02 | 松下電器産業株式会社 | 光ディスクのサ―ボ装置 |
JPH04364231A (ja) * | 1991-01-07 | 1992-12-16 | Toshiba Corp | 光学ヘッド装置 |
JP3435703B2 (ja) * | 1992-05-20 | 2003-08-11 | ソニー株式会社 | 再生装置、再生方法 |
EP0600497A3 (en) * | 1992-12-04 | 1995-08-16 | Nec Corp | Disk drive controlling microcomputer. |
JP3433471B2 (ja) * | 1993-05-27 | 2003-08-04 | ソニー株式会社 | 光ディスク装置における信号処理方法 |
-
1994
- 1994-10-11 ES ES94307427T patent/ES2168289T3/es not_active Expired - Lifetime
- 1994-10-11 DE DE69429609T patent/DE69429609T2/de not_active Expired - Fee Related
- 1994-10-11 EP EP94307427A patent/EP0649134B1/de not_active Expired - Lifetime
- 1994-10-12 US US08/321,616 patent/US5699330A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2168289T3 (es) | 2002-06-16 |
EP0649134B1 (de) | 2002-01-09 |
DE69429609T2 (de) | 2002-08-14 |
US5699330A (en) | 1997-12-16 |
EP0649134A1 (de) | 1995-04-19 |
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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 |