DE3783406D1 - Geraet zur datenaufzeichnung und -wiedergabe auf oder von einer optischen platte. - Google Patents
Geraet zur datenaufzeichnung und -wiedergabe auf oder von einer optischen platte.Info
- Publication number
- DE3783406D1 DE3783406D1 DE8787307067T DE3783406T DE3783406D1 DE 3783406 D1 DE3783406 D1 DE 3783406D1 DE 8787307067 T DE8787307067 T DE 8787307067T DE 3783406 T DE3783406 T DE 3783406T DE 3783406 D1 DE3783406 D1 DE 3783406D1
- Authority
- DE
- Germany
- Prior art keywords
- recording
- optical disc
- laser diode
- power
- data
- 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
- 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
- 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
- G11B11/10532—Heads
- G11B11/10534—Heads for recording by magnetising, demagnetising or transfer of magnetisation, by radiation, e.g. for thermomagnetic recording
- G11B11/10536—Heads for recording by magnetising, demagnetising or transfer of magnetisation, by radiation, e.g. for thermomagnetic recording using thermic beams, e.g. lasers
-
- 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
- G11B11/10532—Heads
- G11B11/10541—Heads for reproducing
- G11B11/10543—Heads for reproducing using optical beam of radiation
-
- 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
- G11B11/10578—Servo format, e.g. prepits, guide tracks, pilot signals
-
- 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
-
- 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
- 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
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/00745—Sectoring or header formats within a track
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61188388A JPH07111782B2 (ja) | 1986-08-13 | 1986-08-13 | 光デイスクの記録再生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3783406D1 true DE3783406D1 (de) | 1993-02-18 |
DE3783406T2 DE3783406T2 (de) | 1993-06-09 |
Family
ID=16222754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787307067T Expired - Lifetime DE3783406T2 (de) | 1986-08-13 | 1987-08-10 | Geraet zur datenaufzeichnung und -wiedergabe auf oder von einer optischen platte. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4796250A (de) |
EP (1) | EP0256827B1 (de) |
JP (1) | JPH07111782B2 (de) |
KR (1) | KR950013701B1 (de) |
AT (1) | ATE84375T1 (de) |
DE (1) | DE3783406T2 (de) |
HK (1) | HK95995A (de) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4841506A (en) * | 1986-01-01 | 1989-06-20 | Pioneer Electronic Corporation | Random playing method for disk player |
ATE111253T1 (de) * | 1986-07-31 | 1994-09-15 | Sony Corp | Aufzeichnungs/wiedergabegerät für optische platte. |
NL8800223A (nl) * | 1987-04-21 | 1988-11-16 | Philips Nv | Systeem voor het registreren van een informatiesignaal, alsmede een registratiedrager en registratieinrichting voor toepassing in het systeem. |
JPS6439633A (en) * | 1987-08-04 | 1989-02-09 | Mitsubishi Electric Corp | Method for driving recording medium |
JPH01232545A (ja) * | 1987-11-19 | 1989-09-18 | Olympus Optical Co Ltd | 光記録方法及び光ディスク装置 |
NL8800170A (nl) * | 1988-01-26 | 1989-08-16 | Philips Nv | Optisch uitleesbare registratiedrager van het beschrijfbare type en optische uitleesinrichting voor het uitlezen van een dergelijke registratiedrager. |
JPH02132514A (ja) * | 1988-07-04 | 1990-05-22 | Canon Inc | ドライブインターフェイス |
JPH0227533A (ja) * | 1988-07-18 | 1990-01-30 | Sony Corp | レーザダイオード駆動装置 |
JP2733969B2 (ja) * | 1988-07-22 | 1998-03-30 | ソニー株式会社 | レーザパワー制御装置 |
JPH0827958B2 (ja) * | 1988-09-16 | 1996-03-21 | パイオニア株式会社 | 半導体発光素子の光パワー制御装置 |
US6052510A (en) * | 1988-09-19 | 2000-04-18 | Canon Kabushiki Kaisha | Apparatus for recording, reproduction or erasing |
JPH02162539A (ja) * | 1988-12-16 | 1990-06-22 | Sony Corp | 光ディスクの記録再生装置 |
NL9000328A (nl) * | 1989-06-23 | 1991-01-16 | Philips Nv | Werkwijze en inrichting voor het aanbrengen van informatiepatronen op een registratiedrager. |
NL8901345A (nl) * | 1989-05-29 | 1990-12-17 | Philips Nv | Werkwijze en inrichting voor het optekenen van signalen op een registratiedrager, alsmede een meetwerkwijze en meetinrichting voor toepassing in de optekenwerkwijze en optekeninrichting, alsmede een registratiedrager. |
JPH0330130A (ja) * | 1989-06-28 | 1991-02-08 | Sharp Corp | 半導体レーザ駆動回路 |
JPH03116554A (ja) * | 1989-09-29 | 1991-05-17 | Toshiba Corp | ディスク装置 |
US5513167A (en) * | 1989-12-20 | 1996-04-30 | Sony Corporation | Optical recording apparatus |
JPH03201266A (ja) * | 1989-12-27 | 1991-09-03 | Victor Co Of Japan Ltd | 追記型情報記録媒体及びその記録装置 |
US5194363A (en) * | 1990-04-27 | 1993-03-16 | Matsushita Electric Industrial Co., Ltd. | Optical recording medium and production process for the medium |
JP2809835B2 (ja) * | 1990-07-30 | 1998-10-15 | 松下電器産業株式会社 | 光ディスク装置および光ディスク |
JPH04134737A (ja) * | 1990-09-27 | 1992-05-08 | Internatl Business Mach Corp <Ibm> | 光ディスク駆動装置及び光量調整装置 |
US5136569A (en) * | 1990-09-28 | 1992-08-04 | International Business Machines Corporation | Optical disk recorder for diverse media types and having a predetermined initialization or start-up procedure |
US5168491A (en) * | 1991-02-25 | 1992-12-01 | Olympus Optical Co., Ltd. | Method for controlling radiation power of a laser beam irradiated onto a recording medium |
JP2795567B2 (ja) * | 1991-11-25 | 1998-09-10 | シャープ株式会社 | 光磁気ディスク及び再生方法 |
JP2835250B2 (ja) * | 1992-08-10 | 1998-12-14 | シャープ株式会社 | 光ディスク記録再生装置における光量制御装置 |
JPH07131089A (ja) * | 1993-11-08 | 1995-05-19 | Nikon Corp | レーザパワーモニタ回路 |
JPH07272275A (ja) * | 1994-03-29 | 1995-10-20 | Sony Corp | 光ディスク装置 |
KR960706167A (ko) * | 1994-08-25 | 1996-11-08 | 이데이 노부유키 | 광디스크 및 광디스크 구동 장치(Optical disc and optical disc driving device) |
US5648952A (en) * | 1994-09-28 | 1997-07-15 | Ricoh Company, Ltd. | Phase-change optical disc recording method and apparatus, and information recording apparatus and recording pre-compensation method |
JPH08147745A (ja) * | 1994-11-17 | 1996-06-07 | Matsushita Electric Ind Co Ltd | マルチビームレーザパワー制御方法及びマルチビーム光学的記録再生装置 |
JP4046778B2 (ja) * | 1995-04-05 | 2008-02-13 | ソニー株式会社 | 光学ディスク記録再生装置 |
JPH09107144A (ja) * | 1995-10-11 | 1997-04-22 | Sony Corp | レーザダイオードの劣化判定回路 |
JPH11213429A (ja) * | 1998-01-30 | 1999-08-06 | Sony Corp | 相変化型光ディスクの記録装置及び記録方法 |
KR100354732B1 (ko) | 1998-04-03 | 2002-11-18 | 삼성전자 주식회사 | 고밀도광기록기기를위한적응적인기록방법및그장치 |
JP2000260024A (ja) * | 1999-03-10 | 2000-09-22 | Nec Corp | 光記録再生装置 |
US6950378B1 (en) * | 1999-07-28 | 2005-09-27 | Matsushita Electric Industrial Co., Ltd. | Laser power control method and optical disk device |
EP1136992A3 (de) * | 2000-03-24 | 2006-09-06 | Samsung Electronics Co., Ltd. | Vorrichtung und Verfahren zur automatischen Steuerung der Laserdiodenleistung |
JP2002197709A (ja) * | 2000-10-18 | 2002-07-12 | Sony Corp | 記録再生装置、状態検出方法、および、データ出力方法、情報処理装置、および、情報処理方法、並びに記録媒体 |
JP3700602B2 (ja) * | 2001-03-30 | 2005-09-28 | ヤマハ株式会社 | レーザ駆動装置 |
KR100442860B1 (ko) * | 2001-05-17 | 2004-08-02 | 삼성전자주식회사 | 레이저 다이오드 출력 제어 장치 |
EP1298649B1 (de) * | 2001-10-01 | 2005-11-16 | Pioneer Corporation | Datenaufzeichnungsgerät |
KR20070073855A (ko) * | 2004-10-05 | 2007-07-10 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 광 픽업의 신호용 피드백 제어 루프를 구비한 장치 |
US8009546B2 (en) * | 2009-06-11 | 2011-08-30 | Texas Instruments Incorporated | Over current protection device |
JP2019186623A (ja) * | 2018-04-03 | 2019-10-24 | ソニー株式会社 | 過電流判定回路及び発光制御装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0044122A3 (en) * | 1978-03-27 | 1982-08-04 | Discovision Associates | Method and apparatus for writing a signal information track on a disc |
US4344173A (en) * | 1978-09-25 | 1982-08-10 | Northern Telecom Limited | Stabilization circuit for a digitally operated laser |
JPS55107284A (en) * | 1979-02-10 | 1980-08-16 | Nippon Telegr & Teleph Corp <Ntt> | Semiconductor laser output stabilizing method |
JPS56153542A (en) * | 1980-04-30 | 1981-11-27 | Victor Co Of Japan Ltd | Stabilizer of laser light flux in optical recorder |
US4516242A (en) * | 1981-06-18 | 1985-05-07 | Tokyo Shibaura Denki Kabushiki Kaisha | Output stabilizing device |
JPS5840878A (ja) * | 1981-09-04 | 1983-03-09 | Hitachi Ltd | ディジタル光ディスク用半導体レーザの駆動装置 |
US4443870A (en) * | 1981-10-15 | 1984-04-17 | Burroughs Corporation | Optical memory system providing track following |
JPS58199446A (ja) * | 1982-05-14 | 1983-11-19 | Hitachi Ltd | 半導体レ−ザ駆動装置 |
US4562567A (en) * | 1982-11-12 | 1985-12-31 | North American Philips Corporation | Apparatus for controlling the write beam in an optical data recording system |
JPS6074124A (ja) * | 1983-09-28 | 1985-04-26 | Matsushita Electric Ind Co Ltd | 光学的記録再生装置 |
CA1244941A (en) * | 1984-03-24 | 1988-11-15 | Yoshihiro Tsukamura | Optical disk player |
US4689795A (en) * | 1984-04-27 | 1987-08-25 | Mitsubishi Denki Kabushiki Kaisha | Semiconductor laser controller |
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 |
JPS61126637A (ja) * | 1984-11-21 | 1986-06-14 | Olympus Optical Co Ltd | 光学的情報記録再生装置 |
JPS61250849A (ja) * | 1985-04-30 | 1986-11-07 | Olympus Optical Co Ltd | 光学的情報記録再生装置 |
US4685097A (en) * | 1985-07-25 | 1987-08-04 | Laser Magnetic Storage International Company | Power control system for a semiconductor laser |
-
1986
- 1986-08-13 JP JP61188388A patent/JPH07111782B2/ja not_active Expired - Lifetime
-
1987
- 1987-07-17 US US07/074,865 patent/US4796250A/en not_active Expired - Lifetime
- 1987-07-21 KR KR1019870007868A patent/KR950013701B1/ko not_active IP Right Cessation
- 1987-08-10 AT AT87307067T patent/ATE84375T1/de not_active IP Right Cessation
- 1987-08-10 EP EP87307067A patent/EP0256827B1/de not_active Expired - Lifetime
- 1987-08-10 DE DE8787307067T patent/DE3783406T2/de not_active Expired - Lifetime
-
1995
- 1995-06-15 HK HK95995A patent/HK95995A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR880003301A (ko) | 1988-05-16 |
JPS6346633A (ja) | 1988-02-27 |
JPH07111782B2 (ja) | 1995-11-29 |
US4796250A (en) | 1989-01-03 |
DE3783406T2 (de) | 1993-06-09 |
ATE84375T1 (de) | 1993-01-15 |
KR950013701B1 (ko) | 1995-11-13 |
HK95995A (en) | 1995-06-23 |
EP0256827A2 (de) | 1988-02-24 |
EP0256827B1 (de) | 1993-01-07 |
EP0256827A3 (en) | 1989-01-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3783406T2 (de) | Geraet zur datenaufzeichnung und -wiedergabe auf oder von einer optischen platte. | |
DE69131086T2 (de) | Gerät zum Aufzeichnen und Wiedergeben von optischen Platten | |
DE68920895T2 (de) | System zur Steuerung von Aufnahmebereichen auf einer beschreibbaren optischen Platte. | |
ES2118784T3 (es) | Metodo y dispositivo para registrar informacion en una pista de un soporte de registro, y un dispositivo para leer el soporte con registro asi obtenido. | |
SE8100021L (sv) | Uppteckningsberare och anordning for dess tillverkning samt apparat for inskrivning och avlesning av densamma | |
EP0077642A3 (en) | Three beam optical memory system | |
EP0859358A3 (de) | Optisches Informationsaufzeichnungsmedium und Schreib/Lesevorrichtung für optische Informationen | |
DE68912823D1 (de) | Aufzeichnungssystem sowie Aufzeichnungsträger und Aufzeichnungsgerät zur Anwendung im System. | |
HUT53975A (en) | Method and apparatus for recording signals on data carrier, method of measurrement and device as well as data-carrier applicable in recording method and apparatus | |
EP0431185A4 (en) | Optical recorder | |
ATE102732T1 (de) | Wiedergabegeraet fuer optisches aufzeichnungsmedium. | |
ID26869A (id) | Metoda penentuan daya hapus dan daya tulis yang optimal, dan aparatus perekam dengan peranti untuk metode tersebut | |
EP1156482A3 (de) | Optisches Informationsaufzeichnungsgerät | |
EP0316188A3 (de) | Verfahren und Vorrichtung zum gleizeitigen Löschen und erneutem Einschreiben von digitalen Daten in ein magnetooptisches Speichermedium mit Verfahren zum gleichzeitigen streifenweisen Löschen und Einschreiben verlängerter Domänen und ein einzelköpfiges magnetooptisches Verfahren zum gleichzeitigen Löschen und Einschreiben | |
DE68919571T2 (de) | Antriebssystem für optische Scheiben. | |
US4889979A (en) | Method for extending life of optically recorded information | |
KR910020670A (ko) | 광기록매체 및 이를 취급하는 광기록방법 및 장치 | |
EP0195227A3 (de) | Magnetooptischer Plattenspeicher | |
DE69130186T2 (de) | Zum Wiederaufzeichnen geeignete optische Platte | |
EP0784317A3 (de) | Gerät für magnetooptische Platte | |
JPS5764334A (en) | Optical information recording system | |
FR2311326A2 (fr) | Dispositif de focalisation et lecteur optique comportant un tel dispositif | |
CN100382157C (zh) | 操作条件设置系统 | |
ATE85452T1 (de) | Geraet zur aufnahme/wiedergabe von optischen daten. | |
JPS56148739A (en) | Optical information processing unit |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |