DE3888565T2 - Aufzeichnungs- und Wiedergabegerät. - Google Patents
Aufzeichnungs- und Wiedergabegerät.Info
- Publication number
- DE3888565T2 DE3888565T2 DE3888565T DE3888565T DE3888565T2 DE 3888565 T2 DE3888565 T2 DE 3888565T2 DE 3888565 T DE3888565 T DE 3888565T DE 3888565 T DE3888565 T DE 3888565T DE 3888565 T2 DE3888565 T2 DE 3888565T2
- Authority
- DE
- Germany
- Prior art keywords
- recording
- playback device
- playback
- 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
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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
-
- 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
- G11B11/10597—Adaptations for transducing various formats on the same or different carriers
-
- 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
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
-
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10710487A JPS63271724A (ja) | 1987-04-28 | 1987-04-28 | 記録再生装置 |
JP62107102A JPH0792923B2 (ja) | 1987-04-28 | 1987-04-28 | 光デイスク装置 |
JP10561687A JPS63269320A (ja) | 1987-04-28 | 1987-04-28 | 記録再生装置 |
JP62117574A JP2603632B2 (ja) | 1987-05-13 | 1987-05-13 | 光情報記録再生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3888565D1 DE3888565D1 (de) | 1994-04-28 |
DE3888565T2 true DE3888565T2 (de) | 1994-10-20 |
Family
ID=27469344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3888565T Expired - Lifetime DE3888565T2 (de) | 1987-04-28 | 1988-04-27 | Aufzeichnungs- und Wiedergabegerät. |
Country Status (3)
Country | Link |
---|---|
US (1) | US5005164A (de) |
EP (1) | EP0289004B1 (de) |
DE (1) | DE3888565T2 (de) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01118274A (ja) * | 1987-10-30 | 1989-05-10 | Canon Inc | デジタルデータの記録方式 |
DE3850058T2 (de) * | 1987-12-01 | 1994-12-15 | Matsushita Electric Ind Co Ltd | Optisches Informationsaufzeichnungsgerät. |
US6052510A (en) * | 1988-09-19 | 2000-04-18 | Canon Kabushiki Kaisha | Apparatus for recording, reproduction or erasing |
JP2812441B2 (ja) * | 1988-10-11 | 1998-10-22 | キヤノン株式会社 | 光学的情報記録再生装置 |
US5126994A (en) * | 1988-11-29 | 1992-06-30 | Sony Corporation | Method and apparatus for controlling and detecting recording laser beam |
JPH077509B2 (ja) * | 1989-02-20 | 1995-01-30 | オムロン株式会社 | 2光源方式光学的記録再生装置 |
US5134606A (en) * | 1989-07-07 | 1992-07-28 | Nec Corporation | Method and optical recording/reproducing apparatus for optimizing laser beam power |
JPH03113760A (ja) * | 1989-09-22 | 1991-05-15 | Nikon Corp | 光磁気ピットポジション記録方法及びそれに使用される記録装置 |
JPH03171437A (ja) * | 1989-11-30 | 1991-07-24 | Matsushita Electric Ind Co Ltd | 信号記録方法と最適パワー設定装置 |
US5185733A (en) * | 1990-03-01 | 1993-02-09 | International Business Machines Corporation | Calibrating lasers for optical recording using a maximal readback signal amplitude as a criterion |
KR950003182B1 (ko) * | 1990-03-14 | 1995-04-01 | 마쯔시다덴기산교 가부시기 가이사 | 광디스크 및 광학정보의 기록방법 |
JP2797733B2 (ja) * | 1990-03-14 | 1998-09-17 | 松下電器産業株式会社 | 光学情報記録部材の記録方法 |
EP0453161A3 (en) * | 1990-04-10 | 1992-07-08 | Seiko Epson Corporation | Optical recording apparatus |
US5493549A (en) * | 1990-04-10 | 1996-02-20 | Seiko Epson Corporation | Optical recording regeneration apparatus with compensation circuit |
US5237550A (en) * | 1990-05-24 | 1993-08-17 | Olympus Optical Co., Ltd. | Reloadable optical recording/reproducing apparatus |
US5418770A (en) * | 1990-06-29 | 1995-05-23 | Hitachi, Ltd. | Method of and apparatus for correcting edge interval of pit in optical recording/read-out apparatus |
JP2865841B2 (ja) * | 1990-09-28 | 1999-03-08 | 株式会社日立製作所 | ディジタル信号記録再生方式 |
FR2664420A1 (fr) * | 1990-07-05 | 1992-01-10 | Thomson Csf | Enregistreur-lecteur optique ou magneto-optique. |
JP2653259B2 (ja) * | 1991-03-19 | 1997-09-17 | 松下電器産業株式会社 | 記録レーザ強度設定方法及びレーザ記録装置 |
JP2885650B2 (ja) * | 1993-11-11 | 1999-04-26 | 株式会社東芝 | ディスク再生装置 |
JP3441212B2 (ja) * | 1995-01-19 | 2003-08-25 | 株式会社リコー | パワー制御方式 |
US5719838A (en) * | 1996-03-29 | 1998-02-17 | Eastman Kodak Company | β compensation using a defocus technique |
JP3545163B2 (ja) * | 1997-04-10 | 2004-07-21 | パイオニア株式会社 | 信号変換装置及びディジタル情報記録装置 |
US6442120B2 (en) * | 1998-08-31 | 2002-08-27 | Hitachi, Ltd. | Optical reproduction method and optical information device |
US6721255B1 (en) * | 1998-10-28 | 2004-04-13 | Matsushita Electric Industrial Co., Ltd. | Device and method for recording data to optical disk using recording pulse with corrected edge position |
JP3718759B2 (ja) | 1999-01-25 | 2005-11-24 | 株式会社日立製作所 | レーザ駆動装置および光ディスク記録再生装置 |
US6700857B1 (en) * | 1999-11-03 | 2004-03-02 | Samsung Electronics Co., Ltd. | Method and apparatus for controlling light power of optical disk system, and optical disk system having the same |
JP2001134974A (ja) * | 1999-11-09 | 2001-05-18 | Sanyo Electric Co Ltd | 光ディスク記録再生装置のレーザー出力制御回路 |
JP2002042339A (ja) * | 2000-07-19 | 2002-02-08 | Teac Corp | 光ディスク記録装置 |
JP3531815B2 (ja) * | 2001-05-22 | 2004-05-31 | 船井電機株式会社 | 回転方向検出装置 |
JP2003051117A (ja) * | 2001-08-07 | 2003-02-21 | Mitsumi Electric Co Ltd | 光ディスク装置 |
JP3870759B2 (ja) * | 2001-11-14 | 2007-01-24 | 株式会社日立製作所 | 光ディスク記録方法及び光ディスク装置 |
US7344970B2 (en) * | 2002-04-11 | 2008-03-18 | Shipley Company, L.L.C. | Plating method |
AU2003227403A1 (en) | 2002-04-19 | 2003-11-03 | Matsushita Electric Industrial Co., Ltd. | Optical information recording method, optical information recording device, and optical information recording medium |
TW594708B (en) * | 2002-05-10 | 2004-06-21 | Asustek Comp Inc | Method for determining writing power of data recording devices |
US7406012B2 (en) * | 2002-10-28 | 2008-07-29 | Matsushita Electric Industrial Co., Ltd. | Semiconductor laser driving device, optical head device, optical information processing device, and optical recording medium |
JP3972868B2 (ja) * | 2003-06-24 | 2007-09-05 | ソニー株式会社 | デジタルpll装置 |
JP4616244B2 (ja) * | 2006-12-15 | 2011-01-19 | 株式会社日立製作所 | 光ディスク記録方法及び光ディスク装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5369006A (en) * | 1976-11-30 | 1978-06-20 | Sony Corp | Reproducer of disc form signal recording media |
JPS56153488A (en) * | 1980-04-28 | 1981-11-27 | Mitsubishi Electric Corp | Recording device |
JPS5778637A (en) * | 1980-10-31 | 1982-05-17 | Matsushita Electric Ind Co Ltd | Optical information recorder |
AU544867B2 (en) * | 1981-07-15 | 1985-06-20 | Discovision Associates | Video discs |
US4488277A (en) * | 1982-02-10 | 1984-12-11 | North American Philips Corporation | Control system for an optical data recording apparatus |
JPS5960742A (ja) * | 1982-09-30 | 1984-04-06 | Fujitsu Ltd | 光デイスクの記録再生制御方法 |
US4516235A (en) * | 1982-10-28 | 1985-05-07 | Rca Corporation | Dynamic record level control for optical disc recorder |
US4549288A (en) * | 1982-12-20 | 1985-10-22 | North American Philips Corporation | Apparatus for enhancing the playback signal in an optical data recording system |
FR2546325B1 (fr) * | 1983-05-20 | 1988-07-08 | Thomson Csf | Procede et dispositif de calibration de la puissance optique appliquee a un disque optique pour l'enregistrement de donnees |
JPS6116033A (ja) * | 1984-07-02 | 1986-01-24 | Matsushita Electric Ind Co Ltd | 書換え可能光学的記録再生装置 |
EP0213623B1 (de) * | 1985-09-02 | 1996-01-10 | Sharp Kabushiki Kaisha | Wiedergabegerät für optische Platten |
JP2810035B2 (ja) * | 1986-08-22 | 1998-10-15 | 株式会社日立製作所 | 光学的記録再生方法 |
US4873680A (en) * | 1987-03-13 | 1989-10-10 | Laserdrive Ltd. | Apparatus and method for detecting and compensating for pit extension in an optical disk recording system |
US4998237A (en) * | 1987-04-28 | 1991-03-05 | Yamaha Corporation | Optical disc recording device having improved accuracy of pit formation |
-
1988
- 1988-04-27 US US07/186,580 patent/US5005164A/en not_active Expired - Lifetime
- 1988-04-27 EP EP88106764A patent/EP0289004B1/de not_active Expired - Lifetime
- 1988-04-27 DE DE3888565T patent/DE3888565T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5005164A (en) | 1991-04-02 |
EP0289004A3 (en) | 1990-05-02 |
DE3888565D1 (de) | 1994-04-28 |
EP0289004B1 (de) | 1994-03-23 |
EP0289004A2 (de) | 1988-11-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN |