JP6886235B2 - 記録装置および発光素子駆動用基板 - Google Patents

記録装置および発光素子駆動用基板 Download PDF

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Publication number
JP6886235B2
JP6886235B2 JP2015187439A JP2015187439A JP6886235B2 JP 6886235 B2 JP6886235 B2 JP 6886235B2 JP 2015187439 A JP2015187439 A JP 2015187439A JP 2015187439 A JP2015187439 A JP 2015187439A JP 6886235 B2 JP6886235 B2 JP 6886235B2
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Japan
Prior art keywords
current
input terminal
light emitting
emitting element
unit
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JP2015187439A
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English (en)
Japanese (ja)
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JP2017063110A5 (enExample
JP2017063110A (ja
Inventor
航 遠藤
航 遠藤
中村　博之
博之 中村
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2015187439A priority Critical patent/JP6886235B2/ja
Priority to US15/254,851 priority patent/US10025219B2/en
Publication of JP2017063110A publication Critical patent/JP2017063110A/ja
Publication of JP2017063110A5 publication Critical patent/JP2017063110A5/ja
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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/043—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/14—Controlling the light source in response to determined parameters by determining electrical parameters of the light source

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Semiconductor Lasers (AREA)
  • Laser Beam Printer (AREA)
JP2015187439A 2015-09-24 2015-09-24 記録装置および発光素子駆動用基板 Active JP6886235B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2015187439A JP6886235B2 (ja) 2015-09-24 2015-09-24 記録装置および発光素子駆動用基板
US15/254,851 US10025219B2 (en) 2015-09-24 2016-09-01 Printing apparatus and substrate for driving light-emitting element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015187439A JP6886235B2 (ja) 2015-09-24 2015-09-24 記録装置および発光素子駆動用基板

Publications (3)

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JP2017063110A JP2017063110A (ja) 2017-03-30
JP2017063110A5 JP2017063110A5 (enExample) 2018-10-04
JP6886235B2 true JP6886235B2 (ja) 2021-06-16

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JP2015187439A Active JP6886235B2 (ja) 2015-09-24 2015-09-24 記録装置および発光素子駆動用基板

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US (1) US10025219B2 (enExample)
JP (1) JP6886235B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7154079B2 (ja) 2018-09-14 2022-10-17 キヤノン株式会社 記録装置および発光素子駆動用基板
CN115684696B (zh) * 2022-10-31 2025-08-15 深圳数马电子技术有限公司 电流检测电路

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6376493A (ja) * 1986-09-19 1988-04-06 Toshiba Corp レ−ザダイオ−ド駆動回路
JP2840275B2 (ja) * 1989-02-03 1998-12-24 株式会社リコー 半導体レーザ制御装置
DE69132464T2 (de) 1990-07-05 2001-05-10 Canon K.K., Tokio/Tokyo Bilderzeugungsgerät und zugehörige Schaltvorrichtung für Konstantstromschaltung
JPH11348344A (ja) * 1998-06-04 1999-12-21 Hitachi Koki Co Ltd 電子写真装置の半導体レーザ制御装置
US6392215B1 (en) * 1999-09-20 2002-05-21 International Business Machines Corporation Laser diode driving circuit
JP3785020B2 (ja) * 2000-03-24 2006-06-14 株式会社東芝 半導体レーザ駆動回路
JP4283454B2 (ja) * 2001-03-09 2009-06-24 株式会社リコー 半導体レーザ制御装置及び方法
JP2002337385A (ja) * 2001-05-16 2002-11-27 Ricoh Co Ltd レーザダイオード制御装置
JP4572503B2 (ja) * 2003-03-20 2010-11-04 富士ゼロックス株式会社 発光素子駆動装置および発光システム
JP2006060751A (ja) * 2004-08-24 2006-03-02 Ricoh Co Ltd 出力装置、差動出力装置、半導体レーザ変調駆動装置、画像形成装置及び電子機器
KR100790134B1 (ko) * 2006-04-26 2008-01-02 삼성전자주식회사 순차적 ｒｇｂ 디스플레이를 위한 구동 구조
JP2011187494A (ja) * 2010-03-04 2011-09-22 Ricoh Co Ltd 半導体レーザ駆動装置及びその半導体レーザ駆動装置を備えた画像形成装置
JP5357118B2 (ja) 2010-08-09 2013-12-04 旭化成エレクトロニクス株式会社 半導体レーザ駆動制御回路
CN101924324B (zh) * 2010-09-07 2012-05-23 凯钰科技股份有限公司 用以控制激光二极管的偏压电流的自动功率控制回路
JP2013156520A (ja) * 2012-01-31 2013-08-15 Konica Minolta Inc 画像形成装置
JP6061505B2 (ja) * 2012-06-08 2017-01-18 キヤノン株式会社 光学走査装置及びそれを有する画像形成装置
JP6238560B2 (ja) * 2012-06-08 2017-11-29 キヤノン株式会社 画像形成装置
JP6003431B2 (ja) * 2012-09-12 2016-10-05 富士ゼロックス株式会社 光量制御装置、露光装置、及び画像形成装置
JP6442318B2 (ja) 2015-02-12 2018-12-19 キヤノン株式会社 記録装置用のドライブ回路、発光素子ユニットおよび記録装置

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US20170090336A1 (en) 2017-03-30
JP2017063110A (ja) 2017-03-30
US10025219B2 (en) 2018-07-17

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