[go: up one dir, main page]

DE3779990D1 - Methode zur impulsweisen ansteuerung eines halbleiterlasers, ansteuerungsvorrichtung fuer einen halbleiterlaser und laser-aufzeichnungsapparat mit einer derartigen ansteuerungsvorrichtung. - Google Patents

Methode zur impulsweisen ansteuerung eines halbleiterlasers, ansteuerungsvorrichtung fuer einen halbleiterlaser und laser-aufzeichnungsapparat mit einer derartigen ansteuerungsvorrichtung.

Info

Publication number
DE3779990D1
DE3779990D1 DE8787201712T DE3779990T DE3779990D1 DE 3779990 D1 DE3779990 D1 DE 3779990D1 DE 8787201712 T DE8787201712 T DE 8787201712T DE 3779990 T DE3779990 T DE 3779990T DE 3779990 D1 DE3779990 D1 DE 3779990D1
Authority
DE
Germany
Prior art keywords
laser
control device
semiconductor laser
semi
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 - Lifetime
Application number
DE8787201712T
Other languages
English (en)
Other versions
DE3779990T2 (de
Inventor
Rene Dufour
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE3779990D1 publication Critical patent/DE3779990D1/de
Publication of DE3779990T2 publication Critical patent/DE3779990T2/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
    • 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
    • H01S5/06216—Pulse modulation or generation

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Head (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Recording Or Reproduction (AREA)
DE8787201712T 1986-09-12 1987-09-10 Methode zur impulsweisen ansteuerung eines halbleiterlasers, ansteuerungsvorrichtung fuer einen halbleiterlaser und laser-aufzeichnungsapparat mit einer derartigen ansteuerungsvorrichtung. Expired - Fee Related DE3779990T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8602303A NL8602303A (nl) 1986-09-12 1986-09-12 Werkwijze voor het in pulsmode aansturen van een halfgeleiderlaser, aanstuurinrichting voor een halfgeleiderlaser en laserschrijfapparaat voorzien van een dergelijke aanstuurinrichting.

Publications (2)

Publication Number Publication Date
DE3779990D1 true DE3779990D1 (de) 1992-07-30
DE3779990T2 DE3779990T2 (de) 1993-01-14

Family

ID=19848536

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787201712T Expired - Fee Related DE3779990T2 (de) 1986-09-12 1987-09-10 Methode zur impulsweisen ansteuerung eines halbleiterlasers, ansteuerungsvorrichtung fuer einen halbleiterlaser und laser-aufzeichnungsapparat mit einer derartigen ansteuerungsvorrichtung.

Country Status (8)

Country Link
US (1) US4817097A (de)
EP (1) EP0262713B1 (de)
JP (1) JPS6374130A (de)
AT (1) ATE77716T1 (de)
AU (1) AU609668B2 (de)
CA (1) CA1274273A (de)
DE (1) DE3779990T2 (de)
NL (1) NL8602303A (de)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989008356A1 (en) * 1988-03-04 1989-09-08 Fujitsu Limited Method and apparatus for modulating a semiconductor laser
JPH0227533A (ja) * 1988-07-18 1990-01-30 Sony Corp レーザダイオード駆動装置
DE3915982A1 (de) * 1989-05-17 1990-11-22 Basf Ag Pulslaser
US5175722A (en) * 1989-08-08 1992-12-29 Fujitsu Limited Power supply circuit for stabilizing power input to a laser diode
DE4036896C1 (en) * 1990-11-20 1992-02-20 Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De Electronic current pulsing device for controlling laser diode - uses two RC-combinations and pair of heavy current switches
JP3061923B2 (ja) * 1992-02-28 2000-07-10 キヤノン株式会社 半導体発光素子の駆動回路
JP3710476B2 (ja) * 1994-02-11 2005-10-26 トムソン マルチメディア ソシエテ アノニム 放射線放出装置の駆動方法及び装置
US6141362A (en) * 1998-06-05 2000-10-31 The United States Of America As Represented By The United States Department Of Energy Reduction of B-integral accumulation in lasers
EP1642276A2 (de) 2003-06-27 2006-04-05 Koninklijke Philips Electronics N.V. Verfahren zur steuerung einer diodeneinrichtung zur verwendung in optischen speichersystemen
US8118447B2 (en) 2007-12-20 2012-02-21 Altair Engineering, Inc. LED lighting apparatus with swivel connection
US7712918B2 (en) 2007-12-21 2010-05-11 Altair Engineering , Inc. Light distribution using a light emitting diode assembly
US8665188B2 (en) * 2008-02-04 2014-03-04 National Semiconductor Corporation Laser diode / LED drive circuit
US8360599B2 (en) 2008-05-23 2013-01-29 Ilumisys, Inc. Electric shock resistant L.E.D. based light
US7976196B2 (en) 2008-07-09 2011-07-12 Altair Engineering, Inc. Method of forming LED-based light and resulting LED-based light
US7946729B2 (en) 2008-07-31 2011-05-24 Altair Engineering, Inc. Fluorescent tube replacement having longitudinally oriented LEDs
US8674626B2 (en) 2008-09-02 2014-03-18 Ilumisys, Inc. LED lamp failure alerting system
US8256924B2 (en) 2008-09-15 2012-09-04 Ilumisys, Inc. LED-based light having rapidly oscillating LEDs
US8444292B2 (en) 2008-10-24 2013-05-21 Ilumisys, Inc. End cap substitute for LED-based tube replacement light
US8653984B2 (en) 2008-10-24 2014-02-18 Ilumisys, Inc. Integration of LED lighting control with emergency notification systems
US8324817B2 (en) 2008-10-24 2012-12-04 Ilumisys, Inc. Light and light sensor
US7938562B2 (en) 2008-10-24 2011-05-10 Altair Engineering, Inc. Lighting including integral communication apparatus
US8901823B2 (en) 2008-10-24 2014-12-02 Ilumisys, Inc. Light and light sensor
US8214084B2 (en) 2008-10-24 2012-07-03 Ilumisys, Inc. Integration of LED lighting with building controls
US8556452B2 (en) 2009-01-15 2013-10-15 Ilumisys, Inc. LED lens
US8362710B2 (en) 2009-01-21 2013-01-29 Ilumisys, Inc. Direct AC-to-DC converter for passive component minimization and universal operation of LED arrays
US8664880B2 (en) 2009-01-21 2014-03-04 Ilumisys, Inc. Ballast/line detection circuit for fluorescent replacement lamps
US8330381B2 (en) 2009-05-14 2012-12-11 Ilumisys, Inc. Electronic circuit for DC conversion of fluorescent lighting ballast
US8299695B2 (en) 2009-06-02 2012-10-30 Ilumisys, Inc. Screw-in LED bulb comprising a base having outwardly projecting nodes
US8421366B2 (en) 2009-06-23 2013-04-16 Ilumisys, Inc. Illumination device including LEDs and a switching power control system
CA2794541C (en) 2010-03-26 2018-05-01 David L. Simon Inside-out led bulb
WO2011119921A2 (en) 2010-03-26 2011-09-29 Altair Engineering, Inc. Led light with thermoelectric generator
US9057493B2 (en) 2010-03-26 2015-06-16 Ilumisys, Inc. LED light tube with dual sided light distribution
US8263903B2 (en) 2010-05-18 2012-09-11 Institut National D'optique Method for stablizing an output of a pulsed laser system using pulse shaping
US8454193B2 (en) 2010-07-08 2013-06-04 Ilumisys, Inc. Independent modules for LED fluorescent light tube replacement
WO2012009260A2 (en) 2010-07-12 2012-01-19 Altair Engineering, Inc. Circuit board mount for led light tube
EP2633227B1 (de) 2010-10-29 2018-08-29 iLumisys, Inc. Mechanismen zur minimierung des risikos von elektroschocks während der installation einer lichtröhre
US8870415B2 (en) 2010-12-09 2014-10-28 Ilumisys, Inc. LED fluorescent tube replacement light with reduced shock hazard
US9072171B2 (en) 2011-08-24 2015-06-30 Ilumisys, Inc. Circuit board mount for LED light
WO2013131002A1 (en) 2012-03-02 2013-09-06 Ilumisys, Inc. Electrical connector header for an led-based light
WO2014008463A1 (en) 2012-07-06 2014-01-09 Ilumisys, Inc. Power supply assembly for led-based light tube
US9271367B2 (en) 2012-07-09 2016-02-23 Ilumisys, Inc. System and method for controlling operation of an LED-based light
US9285084B2 (en) 2013-03-14 2016-03-15 Ilumisys, Inc. Diffusers for LED-based lights
US9267650B2 (en) 2013-10-09 2016-02-23 Ilumisys, Inc. Lens for an LED-based light
KR20160111975A (ko) 2014-01-22 2016-09-27 일루미시스, 인크. 어드레스된 led들을 갖는 led 기반 조명
US9510400B2 (en) 2014-05-13 2016-11-29 Ilumisys, Inc. User input systems for an LED-based light
US10161568B2 (en) 2015-06-01 2018-12-25 Ilumisys, Inc. LED-based light with canted outer walls
CN109283782A (zh) * 2018-11-26 2019-01-29 歌尔股份有限公司 一种激光器驱动装置、投影设备以及方法
US20230152583A1 (en) * 2021-11-16 2023-05-18 Meta Platforms Technologies, Llc Laser driver with pulse scaling circuit for laser displays

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2495870A1 (fr) * 1980-12-09 1982-06-11 Thomson Csf Dispositif de protection d'une diode laser
JPS59146457A (ja) * 1983-02-10 1984-08-22 Olympus Optical Co Ltd 光出力自動制御装置
US4635265A (en) * 1984-06-13 1987-01-06 Edward Weck & Company, Inc. Power switching circuit for a pulsed laser
US4819241A (en) * 1985-08-16 1989-04-04 Kabushiki Kaisha Toshiba Laser diode driving circuit
NZ218022A (en) * 1985-10-22 1991-01-29 Fujitsu Ltd Compensated regulation of light output from semiconductor laser

Also Published As

Publication number Publication date
AU609668B2 (en) 1991-05-02
DE3779990T2 (de) 1993-01-14
AU7822687A (en) 1988-03-17
ATE77716T1 (de) 1992-07-15
US4817097A (en) 1989-03-28
EP0262713B1 (de) 1992-06-24
CA1274273A (en) 1990-09-18
EP0262713A1 (de) 1988-04-06
NL8602303A (nl) 1988-04-05
JPS6374130A (ja) 1988-04-04

Similar Documents

Publication Publication Date Title
DE3779990D1 (de) Methode zur impulsweisen ansteuerung eines halbleiterlasers, ansteuerungsvorrichtung fuer einen halbleiterlaser und laser-aufzeichnungsapparat mit einer derartigen ansteuerungsvorrichtung.
EP0304298B1 (de) Steuerungsschaltung für magnetischen Kopf
ATE172671T1 (de) Aufzeichnungsgerät mit wärmekopf und aufzeichnungsverfahren
ATE212912T1 (de) Aufzeichnungsgerät, aufzeichnungskopf und substrat
CA2257395A1 (en) Device for external treatment with pulsating light of high duty cycle
EP1538452A4 (de) Trägeransteuerungsvorrichtung und prüfverfahren
DE68919980D1 (de) Verfahren zur Steuerung einer Anzeigevorrichtung.
JPH06152027A (ja) 半導体レーザ駆動回路
JPS5574511A (en) Driving system of optical scanning device
AU2003275691A1 (en) Optical information recording method, optcal information recording device and optica information recording medium
EP0497270A3 (en) Semiconductor laser device driving circuit
DE69414012D1 (de) Aufzeichnungsgerät
DE69315851D1 (de) Treiberschaltkreis für laserdioden
DE59304020D1 (de) Ansteuerschaltung für eine gleichstrombetätigte Bremse eines Elektromotors
DE3674108D1 (de) Fokus-regelung fuer ein geraet fuer plattenfoermige, rotierende informationstraeger.
ATE355745T1 (de) Motorsteuerungsgerät für eine angelrolle
KR960025328A (ko) 고속전송으로 전송된 기록데이터로 작동가능한 자기헤드 구동회로 및 자기 헤드 구동회로를 사용하는 광자기기록장치
JPS5710279A (en) Driving current for light emitting diode and semiconductor laser
DE3776181D1 (de) Opto-magnetisches aufzeichnungsgeraet mit aufeinanderfolgendem antrieb von optischem kopf und magnetfeldpolarisation.
JPS62216285A (ja) 発光素子駆動回路
JP2913958B2 (ja) 半導体レーザ駆動停止回路
ATE123176T1 (de) Thyristoren.
JPS61196725A (ja) 昇圧駆動装置
ATE307423T1 (de) Schaltungsanordnung und verfahren zur steuerung einer last
SU738066A1 (ru) Импульсный преобразователь посто нного тока

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8339 Ceased/non-payment of the annual fee