JPH0473224B2 - - Google Patents
Info
- Publication number
- JPH0473224B2 JPH0473224B2 JP58211125A JP21112583A JPH0473224B2 JP H0473224 B2 JPH0473224 B2 JP H0473224B2 JP 58211125 A JP58211125 A JP 58211125A JP 21112583 A JP21112583 A JP 21112583A JP H0473224 B2 JPH0473224 B2 JP H0473224B2
- Authority
- JP
- Japan
- Prior art keywords
- intensity
- data
- recording medium
- radiation beam
- writing
- 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
- 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
- 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
- G11B7/0045—Recording
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
- Glass Compositions (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Holo Graphy (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US440897 | 1982-11-12 | ||
| US06/440,897 US4562567A (en) | 1982-11-12 | 1982-11-12 | Apparatus for controlling the write beam in an optical data recording system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59116946A JPS59116946A (ja) | 1984-07-06 |
| JPH0473224B2 true JPH0473224B2 (OSRAM) | 1992-11-20 |
Family
ID=23750640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58211125A Granted JPS59116946A (ja) | 1982-11-12 | 1983-11-11 | デ−タ記録装置 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4562567A (OSRAM) |
| EP (1) | EP0109130B1 (OSRAM) |
| JP (1) | JPS59116946A (OSRAM) |
| AT (1) | ATE37625T1 (OSRAM) |
| AU (1) | AU561989B2 (OSRAM) |
| CA (1) | CA1213049A (OSRAM) |
| DE (1) | DE3378142D1 (OSRAM) |
| ES (1) | ES527159A0 (OSRAM) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JPH0821173B2 (ja) * | 1984-07-27 | 1996-03-04 | 松下電器産業株式会社 | 半導体レ−ザ駆動回路 |
| US4695994A (en) * | 1985-04-05 | 1987-09-22 | Laser Magnetic Storage International Company | Method and apparatus for varying laser intensity level |
| JP2605015B2 (ja) * | 1985-06-26 | 1997-04-30 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 熱誘導記録の情報担特信号レコーダ |
| EP0549562B1 (en) * | 1986-05-02 | 1998-12-16 | Hitachi, Ltd. | Method and apparatus for recording and reproducing information |
| JPH07111782B2 (ja) * | 1986-08-13 | 1995-11-29 | ソニー株式会社 | 光デイスクの記録再生装置 |
| 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 |
| US4799210A (en) * | 1986-11-05 | 1989-01-17 | Unisys Corporation | Fiber optic read/write head for an optical disk memory system |
| DE3850165T2 (de) * | 1987-04-08 | 1994-11-10 | Nippon Telegraph & Telephone | Verfahren und Gerät zur Herstellung von Matrizen für optische Platten und optischen Platten. |
| US4908815A (en) * | 1988-02-22 | 1990-03-13 | Gregg David P | Optical recording system utilizing proportional real-time feedback control of recording beam intensity |
| US5126994A (en) * | 1988-11-29 | 1992-06-30 | Sony Corporation | Method and apparatus for controlling and detecting recording laser beam |
| US5070495A (en) * | 1989-04-12 | 1991-12-03 | International Business Machines Corporation | Write calibration for magnetooptic disk recorders |
| JP2775009B2 (ja) * | 1989-06-20 | 1998-07-09 | ソニー株式会社 | 光記録装置 |
| US5303217A (en) * | 1989-06-23 | 1994-04-12 | U.S. Philips Corporation | Optical recording device wherein recording beam intensity is set in accordance with an optimum value of the DC component of a recorded signal |
| DE69014436T2 (de) * | 1989-06-23 | 1995-06-14 | Philips Electronics Nv | Aufzeichnungsanordnung zum Anbringen eines Informationsmusters auf einem strahlungsempfindlichen Aufzeichnungsträger. |
| JP2984004B2 (ja) * | 1989-08-28 | 1999-11-29 | ソニー株式会社 | カッテングマシン |
| NL9000150A (nl) * | 1990-01-22 | 1991-08-16 | Philips Nv | Werkwijze en inrichting voor het aanbrengen van een patroon van gebiedjes met veranderde optische eigenschappen in een registratiedrager. |
| 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 |
| JP2867591B2 (ja) * | 1990-04-26 | 1999-03-08 | ソニー株式会社 | 記録レーザビームの制御方法 |
| US5268893A (en) * | 1991-10-18 | 1993-12-07 | International Business Machines Corporation | Write power calibration utilizing least squares fit of read-back signals for moving media memory |
| US5481530A (en) * | 1992-10-20 | 1996-01-02 | Mitsubishi Chemical Corporation | High density optical recording method and recording medium |
| JPH07131089A (ja) * | 1993-11-08 | 1995-05-19 | Nikon Corp | レーザパワーモニタ回路 |
| US5495466A (en) * | 1994-01-10 | 1996-02-27 | Eastman Kodak Company | Write verification in an optical recording system by sensing mark formation while writing |
| EP0968833B1 (en) * | 1998-07-03 | 2004-11-10 | Fuji Photo Film Co., Ltd. | Image recording apparatus |
| US7639271B2 (en) * | 2004-04-30 | 2009-12-29 | Hewlett-Packard Development Company, L.P. | Labeling an optical disc |
| US20060208199A1 (en) * | 2005-03-18 | 2006-09-21 | Uvp Inc. | Luminescent calibration |
| CN112562744B (zh) * | 2020-07-03 | 2021-09-03 | 暨南大学 | 一种面向超快超分辨全光磁记录的双脉冲激发方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5760693B2 (OSRAM) * | 1974-02-12 | 1982-12-21 | Sony Corp | |
| FR2304981A1 (fr) * | 1975-03-21 | 1976-10-15 | Thomson Brandt | Dispositif d'enregistrement optique d'informations |
| JPS5369004A (en) * | 1976-12-01 | 1978-06-20 | Matsushita Electric Ind Co Ltd | Optical recorder-reproducer |
| NL7802860A (nl) * | 1978-03-16 | 1979-09-18 | Philips Nv | Registratiedragerlichaam en registratiedrager voor optische informatie en inrichting voor het inschrijven en uitlezen. |
| JPS54143109A (en) * | 1978-04-28 | 1979-11-08 | Hitachi Ltd | Optical information device |
| JPS55139693A (en) * | 1979-04-17 | 1980-10-31 | Fujitsu Ltd | Write system for optical recording medium |
| JPS56153488A (en) * | 1980-04-28 | 1981-11-27 | Mitsubishi Electric Corp | Recording device |
| US4488277A (en) * | 1982-02-10 | 1984-12-11 | North American Philips Corporation | Control system for an optical data recording apparatus |
-
1982
- 1982-11-12 US US06/440,897 patent/US4562567A/en not_active Expired - Lifetime
-
1983
- 1983-11-08 CA CA000440622A patent/CA1213049A/en not_active Expired
- 1983-11-10 ES ES527159A patent/ES527159A0/es active Granted
- 1983-11-10 AT AT83201607T patent/ATE37625T1/de not_active IP Right Cessation
- 1983-11-10 EP EP83201607A patent/EP0109130B1/en not_active Expired
- 1983-11-10 DE DE8383201607T patent/DE3378142D1/de not_active Expired
- 1983-11-10 AU AU21145/83A patent/AU561989B2/en not_active Ceased
- 1983-11-11 JP JP58211125A patent/JPS59116946A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59116946A (ja) | 1984-07-06 |
| AU2114583A (en) | 1984-05-17 |
| EP0109130A3 (en) | 1984-07-04 |
| EP0109130B1 (en) | 1988-09-28 |
| DE3378142D1 (en) | 1988-11-03 |
| US4562567A (en) | 1985-12-31 |
| AU561989B2 (en) | 1987-05-21 |
| ES8500494A1 (es) | 1984-10-01 |
| ES527159A0 (es) | 1984-10-01 |
| ATE37625T1 (de) | 1988-10-15 |
| EP0109130A2 (en) | 1984-05-23 |
| CA1213049A (en) | 1986-10-21 |
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| JPH0473224B2 (OSRAM) | ||
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