DE69322484D1 - Automatische Leistungssteuerungsschaltung mit Schutzvorrichtung für eine Laserdiode - Google Patents

Automatische Leistungssteuerungsschaltung mit Schutzvorrichtung für eine Laserdiode

Info

Publication number
DE69322484D1
DE69322484D1 DE69322484T DE69322484T DE69322484D1 DE 69322484 D1 DE69322484 D1 DE 69322484D1 DE 69322484 T DE69322484 T DE 69322484T DE 69322484 T DE69322484 T DE 69322484T DE 69322484 D1 DE69322484 D1 DE 69322484D1
Authority
DE
Germany
Prior art keywords
control circuit
power control
protection device
laser diode
automatic 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
Application number
DE69322484T
Other languages
English (en)
Other versions
DE69322484T2 (de
Inventor
James Glenn Davis
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of DE69322484D1 publication Critical patent/DE69322484D1/de
Application granted granted Critical
Publication of DE69322484T2 publication Critical patent/DE69322484T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H01S5/06825—Protecting the laser, e.g. during switch-on/off, detection of malfunctioning or degradation

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
  • Laser Beam Printer (AREA)
  • Protection Of Static Devices (AREA)
  • Dot-Matrix Printers And Others (AREA)
DE69322484T 1992-11-04 1993-10-25 Automatische Leistungssteuerungsschaltung mit Schutzvorrichtung für eine Laserdiode Expired - Fee Related DE69322484T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/971,374 US5276697A (en) 1992-11-04 1992-11-04 Laser diode automatic power control circuit with means of protection of the laser diode

Publications (2)

Publication Number Publication Date
DE69322484D1 true DE69322484D1 (de) 1999-01-21
DE69322484T2 DE69322484T2 (de) 1999-06-24

Family

ID=25518294

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69322484T Expired - Fee Related DE69322484T2 (de) 1992-11-04 1993-10-25 Automatische Leistungssteuerungsschaltung mit Schutzvorrichtung für eine Laserdiode

Country Status (4)

Country Link
US (1) US5276697A (de)
EP (1) EP0596357B1 (de)
JP (1) JP2716654B2 (de)
DE (1) DE69322484T2 (de)

Families Citing this family (26)

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US5506853A (en) * 1994-11-23 1996-04-09 Harris Corporation Offset stabilization of wide dynamic range injection laser diode with single bit sampling
US5666045A (en) * 1994-12-09 1997-09-09 Psc Inc. Laser drive and control systems useful for laser diode protection
US5752100A (en) * 1996-01-26 1998-05-12 Eastman Kodak Company Driver circuit for a camera autofocus laser diode with provision for fault protection
US5610709A (en) * 1996-02-02 1997-03-11 Eastman Kodak Company Automatic ranging optical power monitoring system
JPH10178224A (ja) * 1996-12-18 1998-06-30 Fuji Photo Film Co Ltd 半導体レーザ駆動回路および光ビーム走査装置
JP3315892B2 (ja) * 1997-04-24 2002-08-19 沖電気工業株式会社 レーザーモジュールの制御回路
US5966394A (en) * 1997-05-30 1999-10-12 Eastman Kodak Company Laser diode controller
US6229833B1 (en) * 1997-10-16 2001-05-08 Fujitsu Limited Laser diode protecting circuit and laser driving current control circuit
JP3389480B2 (ja) * 1997-10-16 2003-03-24 富士通株式会社 Ｌｄ保護回路
DE10018421A1 (de) * 2000-04-13 2001-10-25 Haas Laser Gmbh & Co Kg Diodenlasereinrichtung
DE20007884U1 (de) * 2000-05-02 2001-09-06 iC-Haus GmbH, 55294 Bodenheim Monolithisch integrierter Schaltkreis zum Regeln der Lichtleistung einer Laserdiode
JP2002109772A (ja) * 2000-09-29 2002-04-12 Sanyo Electric Co Ltd 光ディスク装置
JP3858710B2 (ja) * 2002-01-31 2006-12-20 三菱電機株式会社 レーザ発振器およびその制御方法
US7187161B2 (en) * 2003-07-11 2007-03-06 Wabash Magnetics, Llc Transient protection of sensors
WO2005069455A2 (en) * 2004-01-15 2005-07-28 Elop Electrooptical Industries Ltd. Improvements in or relating to constant current type power supplies
JP3949119B2 (ja) * 2004-03-29 2007-07-25 ローム株式会社 レーザ素子駆動装置
JP4715198B2 (ja) * 2004-12-27 2011-07-06 ソニー株式会社 レーザ駆動装置
KR20060111760A (ko) * 2005-04-25 2006-10-30 주식회사 오이솔루션 언쿨드 레이저 다이오드를 이용하는 광모듈의 사용온도를 제어하기 위한 장치
US20070047605A1 (en) * 2005-08-26 2007-03-01 Edward Barkan Laser power control arrangements in electro-optical readers
US7975493B2 (en) * 2006-02-10 2011-07-12 Finisar Corporation Thermoelectric cooler with inrush current control
US20070268642A1 (en) * 2006-05-16 2007-11-22 Olivier Metayer Integrated programmable over-current protection circuit for optical transmitters
DE102008031029B4 (de) * 2008-06-30 2012-10-31 Texas Instruments Deutschland Gmbh Elektronisches Bauelement mit einer Schutzschaltung für eine lichtemittierende Vorrichtung
US8971366B2 (en) 2012-11-02 2015-03-03 Symbol Technologies, Inc. Killswitch arrangement for and method of regulating laser output power in electro-optical readers
JP5567176B1 (ja) * 2013-03-25 2014-08-06 ミハル通信株式会社 半導体発光素子制御装置
JP6616368B2 (ja) * 2017-09-14 2019-12-04 ファナック株式会社 レーザ加工前に光学系の汚染レベルに応じて加工条件を補正するレーザ加工装置
RU2750851C1 (ru) * 2020-09-30 2021-07-05 Федеральное государственное бюджетное учреждение науки Институт проблем механики им. А.Ю. Ишлинского Российской академии наук (ИПМех РАН) Генератор импульсов ионизации

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Publication number Priority date Publication date Assignee Title
IT1049596B (it) * 1975-09-18 1981-02-10 Ates Componenti Elettron Dispositivo di protezione per un elemento di potenza di un circuito integrato
GB2113035B (en) * 1981-12-03 1985-10-09 Standard Telephones Cables Ltd Optical transmission system and method
EP0083452B1 (de) * 1982-01-06 1987-04-01 Hitachi, Ltd. Regelkreis zur Regelung der Lichtquelle in einem optischen Plattenspeicher
DE3331132C1 (de) * 1983-08-30 1985-02-07 Hewlett-Packard GmbH, 7030 Böblingen Schutzschaltung fuer einen Halbleiterlaser
DE3333248A1 (de) * 1983-09-14 1985-03-28 Siemens Ag Laserregelung fuer optische uebertragungssysteme
JPH0656668B2 (ja) * 1984-04-06 1994-07-27 ソニー株式会社 光学式デイスク記録再生装置
CA1210070A (en) * 1984-10-26 1986-08-19 Northern Telecom Limited Laser transmitter
USH322H (en) * 1985-07-22 1987-08-04 The United States Of America As Represented By The Secretary Of The Navy Laser diode power controller
US4791636A (en) * 1985-10-30 1988-12-13 Sharp Kabushiki Kaisha Semiconductor laser device and a method for driving the same
JPH066525Y2 (ja) * 1986-01-13 1994-02-16 旭光学工業株式会社 半導体レ−ザ駆動装置の緊急リセツト回路
JPS62285482A (ja) * 1986-06-04 1987-12-11 Konica Corp 半導体レ−ザ駆動回路
US4890288A (en) * 1986-08-27 1989-12-26 Canon Kabushiki Kaisha Light quantity control device
JPS6397061A (ja) * 1986-10-13 1988-04-27 Matsushita Electric Ind Co Ltd レ−ザ記録装置
JPH0282676A (ja) * 1988-09-20 1990-03-23 Toshiba Corp レーザ発振器の光量制御装置
JPH02143267A (ja) * 1988-11-24 1990-06-01 Tokyo Electric Co Ltd レーザダイオード制御装置
JPH03110584A (ja) * 1989-09-25 1991-05-10 Ricoh Co Ltd Ｌｅｄプリンタ
JP2839611B2 (ja) * 1990-01-16 1998-12-16 沖電気工業株式会社 自動周波数制御回路
US5140603A (en) * 1990-05-02 1992-08-18 Scientific-Atlanta, Inc. Overmodulation protection for amplitude modulated laser diode
US5019769A (en) * 1990-09-14 1991-05-28 Finisar Corporation Semiconductor laser diode controller and laser diode biasing control method

Also Published As

Publication number Publication date
EP0596357A1 (de) 1994-05-11
EP0596357B1 (de) 1998-12-09
US5276697A (en) 1994-01-04
JPH06227036A (ja) 1994-08-16
DE69322484T2 (de) 1999-06-24
JP2716654B2 (ja) 1998-02-18

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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

Representative=s name: BLICKLE, K., DIPL.-ING., PAT.-ASS., 70327 STUTTGAR

8328 Change in the person/name/address of the agent

Representative=s name: DR. KUEHNER, H., RECHTSANW., 70327 STUTTGART

8339 Ceased/non-payment of the annual fee