DE69106253D1 - Steuervorrichtung für lichtaussendende Vorrichtung. - Google Patents

Steuervorrichtung für lichtaussendende Vorrichtung.

Info

Publication number
DE69106253D1
DE69106253D1 DE69106253T DE69106253T DE69106253D1 DE 69106253 D1 DE69106253 D1 DE 69106253D1 DE 69106253 T DE69106253 T DE 69106253T DE 69106253 T DE69106253 T DE 69106253T DE 69106253 D1 DE69106253 D1 DE 69106253D1
Authority
DE
Germany
Prior art keywords
light
control device
emitting device
emitting
control
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
Application number
DE69106253T
Other languages
English (en)
Other versions
DE69106253T2 (de
Inventor
David Ernest Call
Julian Lewkowicz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE69106253D1 publication Critical patent/DE69106253D1/de
Application granted granted Critical
Publication of DE69106253T2 publication Critical patent/DE69106253T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/06209—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in single-section lasers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/0617—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium using memorised or pre-programmed laser characteristics
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
DE69106253T 1990-07-20 1991-07-15 Steuervorrichtung für lichtaussendende Vorrichtung. Expired - Fee Related DE69106253T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/555,952 US5185734A (en) 1990-07-20 1990-07-20 Calibrating and power-protecting laser drive circuits

Publications (2)

Publication Number Publication Date
DE69106253D1 true DE69106253D1 (de) 1995-02-09
DE69106253T2 DE69106253T2 (de) 1995-06-29

Family

ID=24219274

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69106253T Expired - Fee Related DE69106253T2 (de) 1990-07-20 1991-07-15 Steuervorrichtung für lichtaussendende Vorrichtung.

Country Status (4)

Country Link
US (1) US5185734A (de)
EP (1) EP0467616B1 (de)
JP (1) JP2527855B2 (de)
DE (1) DE69106253T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2536980B2 (ja) * 1990-10-01 1996-09-25 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 光ディスクドライブおよび光ディスクドライブを制御する方法
JP3050336B2 (ja) * 1991-07-05 2000-06-12 パイオニア株式会社 追記型光ディスクへの記録方法及び光ディスク記録装置
US5216659A (en) * 1991-09-11 1993-06-01 International Business Machines Laser power calibration by measuring laser drive current at out of focus and in focus conditions
US5392273A (en) * 1992-02-28 1995-02-21 Fujitsu Limited Optical storage drive controller with predetermined light source drive values stored in non-volatile memory
US5452277A (en) * 1993-12-30 1995-09-19 International Business Machines Corporation Adaptive system for optimizing disk drive power consumption
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
US5602814A (en) * 1994-10-06 1997-02-11 International Business Machines Corporation Calibration of write-once disks using a single disk sector
JPH08235761A (ja) * 1994-11-17 1996-09-13 Integral Peripherals Inc ディスク駆動装置における電力節減の方法
JP3492800B2 (ja) * 1995-02-17 2004-02-03 富士通株式会社 光記録装置及び再生レーザパワー設定方法
KR0180790B1 (ko) * 1995-05-25 1999-04-15 김광호 광 디스크 구동 기록장치의 데이타 출력 인터페이스 장치
US5682273A (en) * 1995-06-30 1997-10-28 International Business Machines Corporation Disk drive for portable computer with adaptive demand-driven power management
JP3457463B2 (ja) * 1996-04-26 2003-10-20 富士通株式会社 光学的記憶装置
US5954820A (en) * 1997-09-26 1999-09-21 International Business Machines Corporation Portable computer with adaptive demand-driven power management
KR100322601B1 (ko) 1999-06-18 2002-03-18 윤종용 광디스크 기록 방법, 광디스크 기록 장치의 제어 방법 및 이에 적합한 광디스크 기록 장치
KR100350983B1 (ko) * 2000-02-03 2002-08-28 삼성전자 주식회사 레이저 다이오드 드라이버, 이에 적합한 광기록/재생기기의 초기화 방법, 그리고 레이저 다이오드 드라이버의구동 방법
US6631146B2 (en) * 2001-07-06 2003-10-07 Intel Corporation Tunable laser control system
JP4070529B2 (ja) * 2002-07-15 2008-04-02 パイオニア株式会社 情報記録装置及び方法、並びに波形データ生成装置及び方法
US6816099B2 (en) * 2003-03-21 2004-11-09 Renesas Technology America, Inc. Current-mode D/A converter having variable output and offset control
US7259950B2 (en) * 2005-02-04 2007-08-21 Topower Computer Industrial Co., Ltd. Load-protection control circuit of power supply
TW200733088A (en) * 2005-07-07 2007-09-01 Koninkl Philips Electronics Nv Estimation of maximum available write power of an optical storage drive
TW201027522A (en) * 2009-01-09 2010-07-16 Sunplus Technology Co Ltd Methods for on-line calibrating output power of optical pick-up
DE102009041738B4 (de) 2009-07-25 2015-11-05 Zehdenick Innovative Metall- Und Kunststofftechnik Gmbh Anordnung zum Anschließen von elektrischen Leiterbahnen an Polanschlüsse von zusammengeschalteten Zellen

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57160221A (en) * 1981-03-28 1982-10-02 Olympus Optical Co Ltd Analog to digital conversion system
US4541055A (en) * 1982-09-01 1985-09-10 Westinghouse Electric Corp. Laser machining system
US4545018A (en) * 1982-09-01 1985-10-01 Westinghouse Electric Corp. Calibration of automated laser machining apparatus
US4516235A (en) * 1982-10-28 1985-05-07 Rca Corporation Dynamic record level control for optical disc recorder
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
JPS6190539A (ja) * 1984-10-09 1986-05-08 Olympus Optical Co Ltd 光出力安定化装置
JPH0746438B2 (ja) * 1984-11-20 1995-05-17 オリンパス光学工業株式会社 光学的情報記録再生装置
US4709369A (en) * 1985-06-18 1987-11-24 Spectra-Physics, Inc. Power control system for controlling the power output of a modulated laser diode
US4747091A (en) * 1985-07-25 1988-05-24 Olympus Optical Co., Ltd. Semiconductor laser drive device
US4685097A (en) * 1985-07-25 1987-08-04 Laser Magnetic Storage International Company Power control system for a semiconductor laser
EP0219124B1 (de) * 1985-10-16 1993-04-14 Sharp Kabushiki Kaisha Steuervorrichtung des Bündels für magnetooptisches Plattenspeichersystem
JP2615553B2 (ja) * 1985-11-14 1997-05-28 富士通株式会社 レーザ制御装置
US4937799A (en) * 1985-12-13 1990-06-26 Canon Kabushiki Kaisha Method and apparatus for setting light quantity most suitable for reproducing information from an optical recording medium
JP2624788B2 (ja) * 1988-07-22 1997-06-25 シャープ株式会社 半導体レーザ駆動装置

Also Published As

Publication number Publication date
JP2527855B2 (ja) 1996-08-28
EP0467616B1 (de) 1994-12-28
EP0467616A2 (de) 1992-01-22
EP0467616A3 (en) 1992-09-23
JPH0644600A (ja) 1994-02-18
US5185734A (en) 1993-02-09
DE69106253T2 (de) 1995-06-29

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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