DE3382217D1 - Optisches system eines laserdruckers. - Google Patents

Optisches system eines laserdruckers.

Info

Publication number
DE3382217D1
DE3382217D1 DE8383105386T DE3382217T DE3382217D1 DE 3382217 D1 DE3382217 D1 DE 3382217D1 DE 8383105386 T DE8383105386 T DE 8383105386T DE 3382217 T DE3382217 T DE 3382217T DE 3382217 D1 DE3382217 D1 DE 3382217D1
Authority
DE
Germany
Prior art keywords
optical system
laser printer
printer
laser
optical
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
DE8383105386T
Other languages
English (en)
Inventor
Jinichi Hongo
Shoichi Ito
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE3382217D1 publication Critical patent/DE3382217D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters

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)
  • Control Of Non-Electrical Variables (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Facsimile Scanning Arrangements (AREA)
DE8383105386T 1982-06-03 1983-05-31 Optisches system eines laserdruckers. Expired - Lifetime DE3382217D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57093973A JPS58212256A (ja) 1982-06-03 1982-06-03 レ−ザ光源装置

Publications (1)

Publication Number Publication Date
DE3382217D1 true DE3382217D1 (de) 1991-04-25

Family

ID=14097341

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383105386T Expired - Lifetime DE3382217D1 (de) 1982-06-03 1983-05-31 Optisches system eines laserdruckers.

Country Status (4)

Country Link
US (1) US4580044A (de)
EP (1) EP0096341B1 (de)
JP (1) JPS58212256A (de)
DE (1) DE3382217D1 (de)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61165835A (ja) * 1985-01-17 1986-07-26 Olympus Optical Co Ltd 光出力安定化装置
JPS61165836A (ja) * 1985-01-17 1986-07-26 Olympus Optical Co Ltd 光出力安定化装置
US4763334A (en) * 1985-01-30 1988-08-09 Ricoh Company, Ltd. Laser beam emitting apparatus
US4856011A (en) * 1985-01-30 1989-08-08 Ricoh Company, Ltd. Semiconductor laser control circuit
JP2539358B2 (ja) * 1985-03-20 1996-10-02 オリンパス光学工業株式会社 光学式記録再生装置における半導体レ―ザ劣化判別装置
JP2644722B2 (ja) * 1985-03-29 1997-08-25 キヤノン株式会社 画像形成装置
JPS61224476A (ja) * 1985-03-29 1986-10-06 Canon Inc レ−ザ電流制限装置
JP2644721B2 (ja) * 1985-03-29 1997-08-25 キヤノン株式会社 レーザユニット
US4985896A (en) * 1985-03-29 1991-01-15 Canon Kabushiki Kaisha Laser driving device
JPS62116570U (de) * 1986-01-16 1987-07-24
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
US4718118A (en) * 1986-02-24 1988-01-05 Rca Corporation Transparent laser drive current update for burst mode fiber optic communication system
US4730105A (en) * 1986-07-25 1988-03-08 American Telephone And Telegraph Company, At&T Bell Laboratories Apparatus for the stabilization of the output intensity of a laser using a Fabry-Perot cavity
US4890288A (en) * 1986-08-27 1989-12-26 Canon Kabushiki Kaisha Light quantity control device
US4740686A (en) * 1986-09-09 1988-04-26 The Perkin-Elmer Corporation Optical sensor circuitry
JPH0614663B2 (ja) * 1986-09-19 1994-02-23 株式会社リコー 光走査装置
JPS63193582A (ja) * 1987-02-06 1988-08-10 Ando Electric Co Ltd レ−ザダイオ−ド駆動回路
EP0497431B1 (de) * 1987-04-13 1995-06-28 Sharp Kabushiki Kaisha Apparat zum Betreiben einer Halbleiterlaservorrichtung
JP2611220B2 (ja) * 1987-04-15 1997-05-21 ソニー株式会社 レーザ再生装置
DE3726244C2 (de) * 1987-08-07 1993-11-18 Kommunikations Elektronik Schaltungsanordnung zur Überwachung der Leistung einer Laserdiode
US4803497A (en) * 1987-08-31 1989-02-07 Dr.-Ing. Rudolf Hell Gmbh Laser diode output power stabilization in a laser imagesetter
JPH0296936A (ja) * 1988-06-01 1990-04-09 Canon Inc レーザダイオード駆動回路
US5067117A (en) * 1988-10-28 1991-11-19 Fuji Electric Co., Ltd. Output stabilizing apparatus for an optical head
US5017944A (en) * 1989-03-06 1991-05-21 Victor Company Of Japan, Ltd. Control system for information recording laser beam
DE3940720A1 (de) * 1989-12-09 1991-06-13 Bosch Gmbh Robert Schaltungsanordnung zum betrieb einer lichtquelle fuer die optische abtastung von aufzeichnungstraegern
US5248879A (en) * 1992-10-19 1993-09-28 Ncr Corporation Circuit for adjusting the sensitivity of a sensor using a digital counter and a low-pass filter
US5502298A (en) * 1992-12-21 1996-03-26 Ericsson Raynet Apparatus and method for controlling an extinction ratio of a laser diode over temperature
JPH09148630A (ja) * 1995-11-21 1997-06-06 Rohm Co Ltd 光量調整回路及びこれを用いた光応用装置
US5953690A (en) * 1996-07-01 1999-09-14 Pacific Fiberoptics, Inc. Intelligent fiberoptic receivers and method of operating and manufacturing the same
US6201820B1 (en) * 1997-03-05 2001-03-13 Silkroad, Inc. Optically modulated laser beam transceiver
JP3456120B2 (ja) 1997-09-09 2003-10-14 三菱電機株式会社 レーザダイオード用電源制御装置
JP3456121B2 (ja) * 1997-09-09 2003-10-14 三菱電機株式会社 レーザダイオード用電源制御装置
DE20007884U1 (de) * 2000-05-02 2001-09-06 Ic Haus Gmbh Monolithisch integrierter Schaltkreis zum Regeln der Lichtleistung einer Laserdiode
US7079775B2 (en) 2001-02-05 2006-07-18 Finisar Corporation Integrated memory mapped controller circuit for fiber optics transceiver
TW550555B (en) * 2001-11-23 2003-09-01 Aopen Inc Automatic control method for generating stable laser power (ACSP) of a compact disk drive
US7215891B1 (en) 2003-06-06 2007-05-08 Jds Uniphase Corporation Integrated driving, receiving, controlling, and monitoring for optical transceivers
US7408567B2 (en) * 2005-03-29 2008-08-05 Kabushiki Kaisha Toshiba Light beam scanning apparatus and image forming apparatus
JP4725166B2 (ja) * 2005-03-31 2011-07-13 ブラザー工業株式会社 画像形成装置
JP2009088285A (ja) * 2007-09-28 2009-04-23 Toshiba Corp 発光素子駆動回路およびそれを用いた情報記録再生装置
US8159956B2 (en) 2008-07-01 2012-04-17 Finisar Corporation Diagnostics for serial communication busses

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4133008A (en) * 1977-03-14 1979-01-02 Rapicom Inc. Automatic illumination compensation circuit
US4097732A (en) * 1977-06-02 1978-06-27 Burroughs Corporation Automatic gain control for photosensing devices
US4097731A (en) * 1977-06-02 1978-06-27 Burroughs Corporation Automatic gain control for photosensing devices
JPS548423A (en) * 1977-06-21 1979-01-22 Canon Inc Recording device
US4158132A (en) * 1977-07-14 1979-06-12 Electronics Diversified, Inc. Lighting-control system with cue-level confirmation
CA1101923A (en) * 1978-09-21 1981-05-26 Joseph Straus Injection laser operation
US4443695A (en) * 1980-01-25 1984-04-17 Canon Kabushiki Kaisha Apparatus for controlling the quantity of light
JPS56152456U (de) * 1980-04-14 1981-11-14
JPS5713327A (en) * 1980-06-27 1982-01-23 Laurel Bank Mach Co Ltd Optical detector
JPS57162481A (en) * 1981-03-23 1982-10-06 Ibm Control circuit for light emtting semiconductor device

Also Published As

Publication number Publication date
EP0096341A3 (en) 1987-04-01
EP0096341B1 (de) 1991-03-20
US4580044A (en) 1986-04-01
EP0096341A2 (de) 1983-12-21
JPH0414540B2 (de) 1992-03-13
JPS58212256A (ja) 1983-12-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition