JP7154079B2 - 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

Info

Publication number
JP7154079B2
JP7154079B2 JP2018172823A JP2018172823A JP7154079B2 JP 7154079 B2 JP7154079 B2 JP 7154079B2 JP 2018172823 A JP2018172823 A JP 2018172823A JP 2018172823 A JP2018172823 A JP 2018172823A JP 7154079 B2 JP7154079 B2 JP 7154079B2
Authority
JP
Japan
Prior art keywords
terminal
voltage
current
light
input terminal
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.)
Active
Application number
JP2018172823A
Other languages
English (en)
Japanese (ja)
Other versions
JP2020044671A5 (enExample
JP2020044671A (ja
Inventor
航 遠藤
昌伸 大村
寛貴 塩道
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 JP2018172823A priority Critical patent/JP7154079B2/ja
Priority to US16/560,884 priority patent/US10761470B2/en
Publication of JP2020044671A publication Critical patent/JP2020044671A/ja
Publication of JP2020044671A5 publication Critical patent/JP2020044671A5/ja
Application granted granted Critical
Publication of JP7154079B2 publication Critical patent/JP7154079B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • G03G15/80—Details relating to power supplies, circuits boards, electrical connections
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00535—Stable handling of copy medium
    • G03G2215/00611—Detector details, e.g. optical detector
    • G03G2215/00628—Mechanical detector or switch
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00535—Stable handling of copy medium
    • G03G2215/00611—Detector details, e.g. optical detector
    • G03G2215/00632—Electric detector, e.g. of voltage or current
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/02—Arrangements for laying down a uniform charge
    • G03G2215/021—Arrangements for laying down a uniform charge by contact, friction or induction
    • G03G2215/025—Arrangements for laying down a uniform charge by contact, friction or induction using contact charging means having lateral dimensions related to other apparatus means, e.g. photodrum, developing roller
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/04—Arrangements for exposing and producing an image
    • G03G2215/0402—Exposure devices
    • G03G2215/0407—Light-emitting array or panel

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Semiconductor Lasers (AREA)
  • Laser Beam Printer (AREA)
JP2018172823A 2018-09-14 2018-09-14 記録装置および発光素子駆動用基板 Active JP7154079B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2018172823A JP7154079B2 (ja) 2018-09-14 2018-09-14 記録装置および発光素子駆動用基板
US16/560,884 US10761470B2 (en) 2018-09-14 2019-09-04 Printing apparatus and light-emitting element driving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018172823A JP7154079B2 (ja) 2018-09-14 2018-09-14 記録装置および発光素子駆動用基板

Publications (3)

Publication Number Publication Date
JP2020044671A JP2020044671A (ja) 2020-03-26
JP2020044671A5 JP2020044671A5 (enExample) 2021-10-28
JP7154079B2 true JP7154079B2 (ja) 2022-10-17

Family

ID=69772162

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018172823A Active JP7154079B2 (ja) 2018-09-14 2018-09-14 記録装置および発光素子駆動用基板

Country Status (2)

Country Link
US (1) US10761470B2 (enExample)
JP (1) JP7154079B2 (enExample)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001274504A (ja) 2000-03-24 2001-10-05 Toshiba Corp 半導体レーザ駆動回路
JP2005322678A (ja) 2004-05-06 2005-11-17 Fuji Photo Film Co Ltd 発光素子駆動装置及び光走査装置
JP2006019751A (ja) 2004-07-01 2006-01-19 Samsung Electronics Co Ltd レーザ出力制御装置およびレーザ出力制御方法
JP2006076216A (ja) 2004-09-10 2006-03-23 Ricoh Co Ltd 画像形成装置
JP2006272552A (ja) 2005-03-25 2006-10-12 Fuji Xerox Co Ltd 発光素子駆動装置及び電子写真装置
JP2010157572A (ja) 2008-12-26 2010-07-15 Ricoh Co Ltd 半導体レーザアレイ光量制御回路及びその半導体レーザアレイ光量制御回路を使用した画像形成装置
JP2017063110A (ja) 2015-09-24 2017-03-30 キヤノン株式会社 記録装置および発光素子駆動用基板

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3940205B4 (de) * 1988-12-05 2007-09-13 Ricoh Co., Ltd. Halbleiterlaser-Steuereinrichtung
US5015836A (en) * 1990-02-05 1991-05-14 Bei Electronics, Inc. Source intensity adjustment apparatus for optical channel
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
US6392215B1 (en) * 1999-09-20 2002-05-21 International Business Machines Corporation Laser diode driving circuit
JP4457525B2 (ja) * 2001-06-11 2010-04-28 株式会社デンソー 距離測定装置
JP3685134B2 (ja) * 2002-01-23 2005-08-17 セイコーエプソン株式会社 液晶ディスプレイのバックライト制御装置および液晶ディスプレイ
JP4125032B2 (ja) * 2002-04-12 2008-07-23 キヤノン株式会社 レーザ制御装置及び画像形成装置
JP4471598B2 (ja) * 2003-07-16 2010-06-02 Ｏｋｉセミコンダクタ株式会社 発光素子駆動装置
JP5943592B2 (ja) * 2011-05-23 2016-07-05 キヤノン株式会社 カラー画像形成装置
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
US10496004B2 (en) * 2015-08-20 2019-12-03 Canon Kabushiki Kaisha Image forming apparatus with current-controlled light emitting element

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001274504A (ja) 2000-03-24 2001-10-05 Toshiba Corp 半導体レーザ駆動回路
JP2005322678A (ja) 2004-05-06 2005-11-17 Fuji Photo Film Co Ltd 発光素子駆動装置及び光走査装置
JP2006019751A (ja) 2004-07-01 2006-01-19 Samsung Electronics Co Ltd レーザ出力制御装置およびレーザ出力制御方法
JP2006076216A (ja) 2004-09-10 2006-03-23 Ricoh Co Ltd 画像形成装置
JP2006272552A (ja) 2005-03-25 2006-10-12 Fuji Xerox Co Ltd 発光素子駆動装置及び電子写真装置
JP2010157572A (ja) 2008-12-26 2010-07-15 Ricoh Co Ltd 半導体レーザアレイ光量制御回路及びその半導体レーザアレイ光量制御回路を使用した画像形成装置
JP2017063110A (ja) 2015-09-24 2017-03-30 キヤノン株式会社 記録装置および発光素子駆動用基板

Also Published As

Publication number Publication date
JP2020044671A (ja) 2020-03-26
US10761470B2 (en) 2020-09-01
US20200089155A1 (en) 2020-03-19

Similar Documents

Publication Publication Date Title
CN101911407B (zh) 激光二极管驱动装置和包括其的图像形成设备
US7480320B2 (en) Semiconductor laser driving device, semiconductor laser driving method, and image forming apparatus using semiconductor laser driving device
JP4229210B2 (ja) 発光素子駆動装置および発光素子駆動システム
US7856039B2 (en) Semiconductor device and semiconductor laser driving device
JP4572503B2 (ja) 発光素子駆動装置および発光システム
JP4581345B2 (ja) 発光素子駆動装置及び画像形成装置
JP7154079B2 (ja) 記録装置および発光素子駆動用基板
JP4857579B2 (ja) 発光素子駆動装置及び画像形成装置
EP0933971A2 (en) Light emitting element drive apparatus
US10025219B2 (en) Printing apparatus and substrate for driving light-emitting element
US7141936B2 (en) Driving circuit for light emitting diode
CN114185052A (zh) 激光发射驱动电路及激光雷达
US5661739A (en) Semiconductor laser driving circuit
JP4649824B2 (ja) 光量制御装置及び画像形成装置
JP2006351945A (ja) 半導体レーザ駆動回路
JP4581347B2 (ja) 発光素子駆動装置及び画像形成装置
JP2009177086A (ja) 発光素子駆動回路
JP4797418B2 (ja) 発光素子駆動装置
JP2002084031A (ja) 発光素子の駆動回路
JP2017191915A (ja) レーザ駆動装置及びレーザプリンタ

Legal Events

Date Code Title Description
RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20210103

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210113

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210910

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20210910

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20220622

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20220701

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220823

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20220905

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20221004

R151 Written notification of patent or utility model registration

Ref document number: 7154079

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151