DE69220988D1 - Gerät und Verfahren zur Einstellung der Schreibkraft eines Lasers - Google Patents
Gerät und Verfahren zur Einstellung der Schreibkraft eines LasersInfo
- Publication number
- DE69220988D1 DE69220988D1 DE69220988T DE69220988T DE69220988D1 DE 69220988 D1 DE69220988 D1 DE 69220988D1 DE 69220988 T DE69220988 T DE 69220988T DE 69220988 T DE69220988 T DE 69220988T DE 69220988 D1 DE69220988 D1 DE 69220988D1
- Authority
- DE
- Germany
- Prior art keywords
- laser
- setting
- typing power
- typing
- power
- 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
- G11B7/12—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
- 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
- G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1816—Testing
- G11B20/182—Testing using test patterns
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
- G11B33/1406—Reducing the influence of the temperature
- G11B33/144—Reducing the influence of the temperature by detection, control, regulation of the temperature
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3054536A JP2653259B2 (ja) | 1991-03-19 | 1991-03-19 | 記録レーザ強度設定方法及びレーザ記録装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69220988D1 true DE69220988D1 (de) | 1997-09-04 |
DE69220988T2 DE69220988T2 (de) | 1997-11-27 |
Family
ID=12973391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69220988T Expired - Fee Related DE69220988T2 (de) | 1991-03-19 | 1992-03-18 | Gerät und Verfahren zur Einstellung der Schreibkraft eines Lasers |
Country Status (5)
Country | Link |
---|---|
US (1) | US5249172A (de) |
EP (1) | EP0504829B1 (de) |
JP (1) | JP2653259B2 (de) |
CA (1) | CA2063221C (de) |
DE (1) | DE69220988T2 (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5475666A (en) * | 1992-03-04 | 1995-12-12 | Mitsubishi Denki Kabushiki Kaisha | Optically modulated overwritable recording device |
JP2692774B2 (ja) * | 1992-05-29 | 1997-12-17 | 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 | 光ドライブ装置の動作温度を動的に制御する装置及び方法 |
JP3176145B2 (ja) * | 1992-09-08 | 2001-06-11 | パイオニア株式会社 | 光学式情報記録再生装置 |
TW234182B (de) * | 1992-11-20 | 1994-11-11 | Philips Electronics Nv | |
JPH0773470A (ja) * | 1993-09-03 | 1995-03-17 | Pioneer Electron Corp | 追記型光ディスク及びその記録装置 |
JPH0773471A (ja) * | 1993-09-03 | 1995-03-17 | Pioneer Electron Corp | 追記型光ディスクの情報記録装置 |
JPH07130080A (ja) * | 1993-11-02 | 1995-05-19 | Olympus Optical Co Ltd | 情報記録装置 |
TW272279B (de) * | 1994-06-22 | 1996-03-11 | Nippon Pickta Kk | |
JP2999684B2 (ja) * | 1995-03-10 | 2000-01-17 | 株式会社日立製作所 | 光学ディスクの記録制御方法および光学ディスク装置 |
US5726954A (en) * | 1995-04-10 | 1998-03-10 | Nikon Corporation | Optical recording method and apparatus |
EP0737969B1 (de) * | 1995-04-10 | 2001-09-05 | Nikon Corporation | Optische Aufzeichnungsverfahren und optisches Aufzeichnungsgerät |
US5825724A (en) * | 1995-11-07 | 1998-10-20 | Nikon Corporation | Magneto-optical recording method using laser beam intensity setting based on playback signal |
US5808972A (en) * | 1995-12-28 | 1998-09-15 | Nikon Corporation | Stabilized overwriteable optical recording method using laser beam intensity settings |
US6111841A (en) * | 1996-01-10 | 2000-08-29 | Nikon Corporation | Apparatus for and method of controlling playback light intensity for an optical recording medium |
AU4322897A (en) * | 1996-10-08 | 1998-05-05 | Sanyo Electric Co., Ltd. | Recording medium and information recorder/reproducer |
JP2000504466A (ja) * | 1996-12-06 | 2000-04-11 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 光記録媒体 |
JP3361025B2 (ja) * | 1997-02-12 | 2003-01-07 | 日本電気株式会社 | 光ディスク装置 |
KR100354732B1 (ko) * | 1998-04-03 | 2002-11-18 | 삼성전자 주식회사 | 고밀도광기록기기를위한적응적인기록방법및그장치 |
US6567350B1 (en) * | 1999-09-20 | 2003-05-20 | Matsushita Electric Industrial Co., Ltd. | Method for adjusting control operation in an optical disc recording device |
JP3858605B2 (ja) * | 2001-02-13 | 2006-12-20 | ティアック株式会社 | 光ディスク記録装置及び光ディスク記録媒体 |
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 |
EP1518231B1 (de) * | 2002-06-20 | 2006-11-29 | Koninklijke Philips Electronics N.V. | Verfahren und vorrichtung zur bestimmung eines satzes von parametern von aufnahme-pulsen zum aufnehmen auf optischen datenträgern, und optischer datenträger |
EP2200036A1 (de) * | 2005-04-29 | 2010-06-23 | Hitachi-LG Data Storage Korea Inc. | Verfahren zur Einstellung der Laserleistung bei einem optischen Plattenlaufwerk |
WO2007034783A1 (ja) * | 2005-09-22 | 2007-03-29 | Matsushita Electric Industrial Co., Ltd. | 半導体レーザ駆動装置、光ヘッド装置および光情報記録再生装置 |
US11587589B1 (en) * | 2022-01-14 | 2023-02-21 | Western Digital Technologies, Inc. | Direct current (DC) level shifting circuit for use in the detection of media defects within a magnetic recording media |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5880138A (ja) * | 1981-11-06 | 1983-05-14 | Teac Co | 光記録方式 |
JPS58177534A (ja) * | 1982-04-08 | 1983-10-18 | Matsushita Electric Ind Co Ltd | 光学的記録装置 |
JPS59227043A (ja) * | 1983-06-06 | 1984-12-20 | Canon Inc | 光学式情報記録方式 |
JPS61122932A (ja) * | 1985-11-15 | 1986-06-10 | Canon Inc | 信号記録方法 |
JPH0632461B2 (ja) * | 1986-07-01 | 1994-04-27 | ティアツク株式会社 | 光デイスクに対する映像信号記録装置 |
US4979162A (en) * | 1987-01-16 | 1990-12-18 | Nikon Corporation | Apparatus for detecting the secondary distortion of optical type recorded information |
EP0289004B1 (de) * | 1987-04-28 | 1994-03-23 | Sharp Kabushiki Kaisha | Aufzeichnungs- und Wiedergabegerät |
JPH0771636B2 (ja) * | 1987-06-26 | 1995-08-02 | 住友化学工業株式会社 | 無機塩浴の精製方法 |
US5070495A (en) * | 1989-04-12 | 1991-12-03 | International Business Machines Corporation | Write calibration for magnetooptic disk recorders |
US5134606A (en) * | 1989-07-07 | 1992-07-28 | Nec Corporation | Method and optical recording/reproducing apparatus for optimizing laser beam power |
US5050156A (en) * | 1989-10-25 | 1991-09-17 | Eastman Kodak Company | Method and apparatus for calibrating the writing power applied to an optical media |
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 |
-
1991
- 1991-03-19 JP JP3054536A patent/JP2653259B2/ja not_active Expired - Fee Related
-
1992
- 1992-03-17 CA CA002063221A patent/CA2063221C/en not_active Expired - Fee Related
- 1992-03-18 EP EP92104665A patent/EP0504829B1/de not_active Expired - Lifetime
- 1992-03-18 DE DE69220988T patent/DE69220988T2/de not_active Expired - Fee Related
- 1992-03-19 US US07/854,366 patent/US5249172A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69220988T2 (de) | 1997-11-27 |
CA2063221C (en) | 1997-10-14 |
JP2653259B2 (ja) | 1997-09-17 |
JPH04289515A (ja) | 1992-10-14 |
US5249172A (en) | 1993-09-28 |
EP0504829A2 (de) | 1992-09-23 |
EP0504829B1 (de) | 1997-07-23 |
EP0504829A3 (en) | 1992-09-30 |
CA2063221A1 (en) | 1992-09-20 |
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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 |