JP2000218865A - レ―ザ駆動装置とその駆動方法及びそれを用いた画像形成装置 - Google Patents

レ―ザ駆動装置とその駆動方法及びそれを用いた画像形成装置

Info

Publication number
JP2000218865A
JP2000218865A JP11328281A JP32828199A JP2000218865A JP 2000218865 A JP2000218865 A JP 2000218865A JP 11328281 A JP11328281 A JP 11328281A JP 32828199 A JP32828199 A JP 32828199A JP 2000218865 A JP2000218865 A JP 2000218865A
Authority
JP
Japan
Prior art keywords
current
laser
light
voltage
common
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.)
Pending
Application number
JP11328281A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000218865A5 (enExample
Inventor
Yuichi Seki
雄一 関
Takashi Nakahara
隆 中原
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP11328281A priority Critical patent/JP2000218865A/ja
Priority to US09/447,285 priority patent/US6560256B1/en
Priority to DE69920850T priority patent/DE69920850T2/de
Priority to EP99123349A priority patent/EP1005121B1/en
Publication of JP2000218865A publication Critical patent/JP2000218865A/ja
Publication of JP2000218865A5 publication Critical patent/JP2000218865A5/ja
Pending 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
    • 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
    • H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042—Electrical excitation ; 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
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
    • H01S5/06832—Stabilising during amplitude modulation
    • 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
    • H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
    • H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Laser Beam Printer (AREA)
  • Semiconductor Lasers (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Fax Reproducing Arrangements (AREA)
JP11328281A 1998-11-25 1999-11-18 レ―ザ駆動装置とその駆動方法及びそれを用いた画像形成装置 Pending JP2000218865A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP11328281A JP2000218865A (ja) 1998-11-25 1999-11-18 レ―ザ駆動装置とその駆動方法及びそれを用いた画像形成装置
US09/447,285 US6560256B1 (en) 1998-11-25 1999-11-23 Laser driving apparatus, driving method thereof, and image-forming apparatus using it
DE69920850T DE69920850T2 (de) 1998-11-25 1999-11-23 Lasertreiber, Treiberverfahren und Bilderzeugungsgerät unter Verwendung desselben
EP99123349A EP1005121B1 (en) 1998-11-25 1999-11-23 Laser driving apparatus, driving method thereof, and image-forming apparatus using it

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP33445698 1998-11-25
JP10-334456 1998-11-25
JP11328281A JP2000218865A (ja) 1998-11-25 1999-11-18 レ―ザ駆動装置とその駆動方法及びそれを用いた画像形成装置

Publications (2)

Publication Number Publication Date
JP2000218865A true JP2000218865A (ja) 2000-08-08
JP2000218865A5 JP2000218865A5 (enExample) 2007-02-01

Family

ID=26572811

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11328281A Pending JP2000218865A (ja) 1998-11-25 1999-11-18 レ―ザ駆動装置とその駆動方法及びそれを用いた画像形成装置

Country Status (4)

Country Link
US (1) US6560256B1 (enExample)
EP (1) EP1005121B1 (enExample)
JP (1) JP2000218865A (enExample)
DE (1) DE69920850T2 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6330324B1 (en) * 1997-12-09 2001-12-11 Sbc Technology Resources, Inc. Geographical call routing for a non-emergency calling service
JP2001244555A (ja) * 2000-03-01 2001-09-07 Pioneer Electronic Corp 自動電力制御回路
US6801556B2 (en) * 2001-11-09 2004-10-05 Agere Systems Inc. Optical source driver with output load detection circuit
US7022960B2 (en) * 2002-02-12 2006-04-04 Konica Corporation Photographic film image reading apparatus with film density detection
DE10229234A1 (de) * 2002-06-28 2004-02-12 Deutsche Thomson-Brandt Gmbh Eigensicherer Pickup für Wiedergabe- oder Aufzeichnungsgeräte unterschiedlicher optischer Aufzeichnungsträger
JP2004103839A (ja) * 2002-09-10 2004-04-02 Canon Inc 半導体マルチビームレーザ装置及び画像形成装置
CN100389364C (zh) 2003-03-03 2008-05-21 佳能株式会社 频率调制装置以及频率调制方法
JP4308812B2 (ja) * 2005-10-28 2009-08-05 日本テキサス・インスツルメンツ株式会社 発光素子駆動装置
JP4214490B2 (ja) * 2006-08-29 2009-01-28 ブラザー工業株式会社 レーザ光の出力制御装置、並びに画像形成装置
US7891570B2 (en) * 2007-02-28 2011-02-22 Microvision, Inc. Photodiode with improved performance in ambient light
TWI367692B (en) * 2007-09-21 2012-07-01 Aussmak Optoelectronic Corp Light emitting device and control method thereof
US20110080533A1 (en) * 2009-10-06 2011-04-07 Microvision, Inc. Dithering Laser Drive Apparatus
CN102473428B (zh) * 2010-06-13 2014-12-10 联发科技（新加坡）私人有限公司 减少apc电路的输入端的数量的方法以及相关apc电路
JP5818495B2 (ja) 2011-04-21 2015-11-18 キヤノン株式会社 画像形成装置
JP6178641B2 (ja) 2013-06-28 2017-08-09 キヤノン株式会社 光走査装置及び画像形成装置
US10496004B2 (en) 2015-08-20 2019-12-03 Canon Kabushiki Kaisha Image forming apparatus with current-controlled light emitting element
JP6609144B2 (ja) 2015-09-10 2019-11-20 キヤノン株式会社 光走査装置
JP6671931B2 (ja) 2015-11-16 2020-03-25 キヤノン株式会社 画像形成装置
JP2017219714A (ja) 2016-06-08 2017-12-14 キヤノン株式会社 光走査装置
JP6976695B2 (ja) * 2017-03-08 2021-12-08 株式会社東芝 発光基板、プリントヘッドおよび画像形成装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56140477A (en) * 1980-04-02 1981-11-02 Ricoh Co Ltd Laser driving control system
JP2644722B2 (ja) 1985-03-29 1997-08-25 キヤノン株式会社 画像形成装置
US4985896A (en) * 1985-03-29 1991-01-15 Canon Kabushiki Kaisha Laser driving device
JPS62227667A (ja) 1986-03-31 1987-10-06 Canon Inc レ−ザ駆動制御装置
JPS6446724A (en) 1987-08-17 1989-02-21 Canon Kk Image recorder
JPH06103765B2 (ja) 1987-10-30 1994-12-14 日本電気株式会社 半導体レーザバイアス電流制御方式
EP0464813B1 (en) * 1990-07-05 1998-10-07 Canon Kabushiki Kaisha Driving IC for driving a light source and laser printer using such driving IC
US5504517A (en) 1991-04-04 1996-04-02 Canon Kabushiki Kaisha Laser scanner control circuit which is used in image forming apparatus and driver IC for use in such a circuit
JP3168710B2 (ja) 1992-07-17 2001-05-21 松下電器産業株式会社 パワー制御回路を備えたレーザアレイ
US5822343A (en) * 1994-08-26 1998-10-13 Psc Inc. Operating and control system for lasers useful in bar code scanners
JPH08116114A (ja) 1994-10-17 1996-05-07 Fuji Xerox Co Ltd 光量制御装置
US5726437A (en) * 1994-10-27 1998-03-10 Fuji Xerox Co., Ltd. Light intensity control device
JP3677915B2 (ja) 1997-01-22 2005-08-03 富士ゼロックス株式会社 光量制御装置
JP4235275B2 (ja) * 1998-01-09 2009-03-11 キヤノン株式会社 画像形成装置
US6055252A (en) * 1998-09-10 2000-04-25 Photonic Solutions, Inc. Fiberoptic transmitter using thermistor to maintain stable operating conditions over a range of temperature
JP4148485B2 (ja) * 1998-10-05 2008-09-10 キヤノン株式会社 画像形成装置、及び複写機

Also Published As

Publication number Publication date
DE69920850D1 (de) 2004-11-11
US6560256B1 (en) 2003-05-06
DE69920850T2 (de) 2005-02-10
EP1005121A2 (en) 2000-05-31
EP1005121A3 (en) 2002-10-16
EP1005121B1 (en) 2004-10-06

Similar Documents

Publication Publication Date Title
JP2000218865A (ja) レ―ザ駆動装置とその駆動方法及びそれを用いた画像形成装置
JP3700296B2 (ja) 半導体レーザ駆動装置および画像記録装置
US5912694A (en) Laser diode driving circuit, semiconductor integrated circuit for driving laser diode, and image recording apparatus
US4796265A (en) Imaging using collectively controlled multiple beams
US7480320B2 (en) Semiconductor laser driving device, semiconductor laser driving method, and image forming apparatus using semiconductor laser driving device
US5832012A (en) Laser scanning unit having automatic power control function
US6989520B2 (en) Emission control apparatus with settable target intensity and image forming apparatus using same
JP3245205B2 (ja) 画像形成装置
US5973719A (en) Laser scanning unit having automatic power control function
JP4581345B2 (ja) 発光素子駆動装置及び画像形成装置
US20120243023A1 (en) Optical scanning device, light control method therefor, and image forming apparatus
JP2008233115A (ja) 光量制御装置および光走査装置および画像形成装置
JP4374936B2 (ja) 光量制御装置及び画像形成装置
JP2000187374A (ja) 画像形成装置
JP2007158022A (ja) 半導体レーザ駆動回路
JP2005064000A (ja) 発光素子駆動装置
US6574447B2 (en) Laser beam emission control for electrophotographic device
JP2004009492A (ja) 画像形成装置におけるレーザ駆動回路
JP2000307356A (ja) 負帰還制御回路、発光手段駆動回路、半導体レーザ駆動回路および電子写真装置
EP0841598A2 (en) Laser light amount control device and image recording apparatus using the device
JP3515806B2 (ja) 画像形成装置
JP5134386B2 (ja) 光量制御装置およびそれを用いた画像形成装置
JP2008227129A (ja) 半導体レーザ制御装置および光走査装置および画像形成装置
JPH0595146A (ja) 半導体レーザ駆動回路
JP2005191453A (ja) 発光量制御装置、画像形成装置、発光量調整方法、プログラム、および該プログラムを記録した記録媒体

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20061212

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20070409

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070608

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20071119