JP2000218865A5 - - Google Patents

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Publication number
JP2000218865A5
JP2000218865A5 JP1999328281A JP32828199A JP2000218865A5 JP 2000218865 A5 JP2000218865 A5 JP 2000218865A5 JP 1999328281 A JP1999328281 A JP 1999328281A JP 32828199 A JP32828199 A JP 32828199A JP 2000218865 A5 JP2000218865 A5 JP 2000218865A5
Authority
JP
Japan
Prior art keywords
adjusted
variable means
shared portion
adjusting
drive device
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
JP1999328281A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000218865A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP11328281A priority Critical patent/JP2000218865A/ja
Priority claimed from JP11328281A external-priority 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

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 JP2000218865A (ja) 2000-08-08
JP2000218865A5 true 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

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