JP7410676B2 - 駆動装置および記録装置 - Google Patents

駆動装置および記録装置 Download PDF

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Publication number
JP7410676B2
JP7410676B2 JP2019164782A JP2019164782A JP7410676B2 JP 7410676 B2 JP7410676 B2 JP 7410676B2 JP 2019164782 A JP2019164782 A JP 2019164782A JP 2019164782 A JP2019164782 A JP 2019164782A JP 7410676 B2 JP7410676 B2 JP 7410676B2
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Japan
Prior art keywords
current
drive
light emitting
circuits
circuit
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JP2019164782A
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English (en)
Japanese (ja)
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JP2021041595A5 (https=
JP2021041595A (ja
Inventor
達也 鈴木
達也 領木
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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 JP2019164782A priority Critical patent/JP7410676B2/ja
Priority to US17/010,476 priority patent/US11385561B2/en
Publication of JP2021041595A publication Critical patent/JP2021041595A/ja
Publication of JP2021041595A5 publication Critical patent/JP2021041595A5/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
    • G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
    • G03G15/04045—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers
    • G03G15/04054—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers by LED arrays
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Facsimile Heads (AREA)
  • Led Devices (AREA)
JP2019164782A 2019-09-10 2019-09-10 駆動装置および記録装置 Active JP7410676B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2019164782A JP7410676B2 (ja) 2019-09-10 2019-09-10 駆動装置および記録装置
US17/010,476 US11385561B2 (en) 2019-09-10 2020-09-02 Driving apparatus and printing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019164782A JP7410676B2 (ja) 2019-09-10 2019-09-10 駆動装置および記録装置

Publications (3)

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JP2021041595A JP2021041595A (ja) 2021-03-18
JP2021041595A5 JP2021041595A5 (https=) 2022-09-16
JP7410676B2 true JP7410676B2 (ja) 2024-01-10

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ID=74851093

Family Applications (1)

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JP2019164782A Active JP7410676B2 (ja) 2019-09-10 2019-09-10 駆動装置および記録装置

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US (1) US11385561B2 (https=)
JP (1) JP7410676B2 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7324093B2 (ja) * 2019-09-02 2023-08-09 キヤノン株式会社 駆動装置および記録装置
JP7593026B2 (ja) * 2020-09-24 2024-12-03 富士フイルムビジネスイノベーション株式会社 発光装置および画像形成装置
JP7688512B2 (ja) * 2021-04-12 2025-06-04 キヤノン株式会社 発光デバイス及び画像形成装置
JP7755615B2 (ja) * 2023-04-13 2025-10-16 キヤノン株式会社 露光装置及び画像形成装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001088342A (ja) 1999-09-20 2001-04-03 Canon Inc 記録装置および記録方法
JP2002079707A (ja) 2000-05-29 2002-03-19 Kyocera Corp 発光素子アレイ、その発光素子アレイを用いた光プリンタヘッド及び光プリンタヘッドの駆動方法
WO2009119066A1 (ja) 2008-03-25 2009-10-01 ローム株式会社 発光ダイオードの駆動回路
JP2011166724A (ja) 2010-01-18 2011-08-25 Rohm Co Ltd 電流駆動回路およびそれを用いた発光装置
JP2019101263A (ja) 2017-12-04 2019-06-24 シャープ株式会社 バックライト装置および表示装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0592615A (ja) * 1991-10-03 1993-04-16 Sharp Corp プリントヘツド
JPH07156444A (ja) 1993-12-06 1995-06-20 Oki Electric Ind Co Ltd 発光素子アレイの光量補正型駆動回路
JPH0839860A (ja) * 1994-07-29 1996-02-13 Rohm Co Ltd Ｌｅｄプリントヘッドの露光エネルギ調整方法及び露光エネルギの調整されたｌｅｄプリントヘッド
JP4847995B2 (ja) * 2008-10-17 2011-12-28 株式会社沖データ 駆動回路、光プリントヘッド及び画像形成装置
JP6388369B2 (ja) 2014-04-08 2018-09-12 キヤノン株式会社 チップ、マルチチップモジュール、及びこれらを備える装置
JP7324093B2 (ja) 2019-09-02 2023-08-09 キヤノン株式会社 駆動装置および記録装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001088342A (ja) 1999-09-20 2001-04-03 Canon Inc 記録装置および記録方法
JP2002079707A (ja) 2000-05-29 2002-03-19 Kyocera Corp 発光素子アレイ、その発光素子アレイを用いた光プリンタヘッド及び光プリンタヘッドの駆動方法
WO2009119066A1 (ja) 2008-03-25 2009-10-01 ローム株式会社 発光ダイオードの駆動回路
JP2011166724A (ja) 2010-01-18 2011-08-25 Rohm Co Ltd 電流駆動回路およびそれを用いた発光装置
JP2019101263A (ja) 2017-12-04 2019-06-24 シャープ株式会社 バックライト装置および表示装置

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US11385561B2 (en) 2022-07-12
US20210072661A1 (en) 2021-03-11
JP2021041595A (ja) 2021-03-18

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