JP7546628B2 - 露光装置及び画像形成装置 - Google Patents

露光装置及び画像形成装置 Download PDF

Info

Publication number
JP7546628B2
JP7546628B2 JP2022132718A JP2022132718A JP7546628B2 JP 7546628 B2 JP7546628 B2 JP 7546628B2 JP 2022132718 A JP2022132718 A JP 2022132718A JP 2022132718 A JP2022132718 A JP 2022132718A JP 7546628 B2 JP7546628 B2 JP 7546628B2
Authority
JP
Japan
Prior art keywords
light
emitting
signal
emitting elements
image data
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
JP2022132718A
Other languages
English (en)
Japanese (ja)
Other versions
JP2024030133A (ja
Inventor
太輔 赤木
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 JP2022132718A priority Critical patent/JP7546628B2/ja
Priority to US18/232,893 priority patent/US12332579B2/en
Publication of JP2024030133A publication Critical patent/JP2024030133A/ja
Priority to JP2024144464A priority patent/JP7780594B2/ja
Application granted granted Critical
Publication of JP7546628B2 publication Critical patent/JP7546628B2/ja
Priority to US19/211,692 priority patent/US20250278036A1/en
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
    • G03G15/04—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
    • 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
    • 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
    • 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)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Facsimile Heads (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
JP2022132718A 2022-08-23 2022-08-23 露光装置及び画像形成装置 Active JP7546628B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2022132718A JP7546628B2 (ja) 2022-08-23 2022-08-23 露光装置及び画像形成装置
US18/232,893 US12332579B2 (en) 2022-08-23 2023-08-11 Light emitting chip including a plurality of light emitting units and image forming
JP2024144464A JP7780594B2 (ja) 2022-08-23 2024-08-26 露光装置及び画像形成装置
US19/211,692 US20250278036A1 (en) 2022-08-23 2025-05-19 Light emitting chip including a plurality of light emitting units and image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022132718A JP7546628B2 (ja) 2022-08-23 2022-08-23 露光装置及び画像形成装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024144464A Division JP7780594B2 (ja) 2022-08-23 2024-08-26 露光装置及び画像形成装置

Publications (2)

Publication Number Publication Date
JP2024030133A JP2024030133A (ja) 2024-03-07
JP7546628B2 true JP7546628B2 (ja) 2024-09-06

Family

ID=90000183

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2022132718A Active JP7546628B2 (ja) 2022-08-23 2022-08-23 露光装置及び画像形成装置
JP2024144464A Active JP7780594B2 (ja) 2022-08-23 2024-08-26 露光装置及び画像形成装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2024144464A Active JP7780594B2 (ja) 2022-08-23 2024-08-26 露光装置及び画像形成装置

Country Status (2)

Country Link
US (2) US12332579B2 (enExample)
JP (2) JP7546628B2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7483978B2 (ja) * 2022-05-27 2024-05-15 キヤノン株式会社 画像形成装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022096967A (ja) 2020-12-18 2022-06-30 キヤノン株式会社 露光ヘッド及び画像形成装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5389953A (en) * 1991-01-02 1995-02-14 Eastman Kodak Company Non-impact printer module with improved burn-in testing capability and method using same
JPH09323442A (ja) * 1996-06-07 1997-12-16 Canon Inc Ｌｅｄプリンタおよびｌｅｄプリンタの濃度調整方法
JP3708024B2 (ja) * 2001-03-29 2005-10-19 松下電器産業株式会社 画像書込み装置と画像書込み装置の光源
JP2008181678A (ja) * 2007-01-23 2008-08-07 Seiko Epson Corp 膜形成方法、発光装置の製造方法、及び発光装置、並びに有機ｅｌ装置の製造方法、及び有機ｅｌ装置
JP2011173255A (ja) * 2010-02-23 2011-09-08 Seiko Epson Corp 発光装置、駆動回路及び電子機器
JP5680614B2 (ja) * 2012-11-30 2015-03-04 キヤノン・コンポーネンツ株式会社 Ｌｅｄプリンタヘッド、ｌｅｄプリンタ、ｌｅｄプリンタヘッドの制御方法およびプログラム
JP6033181B2 (ja) * 2013-07-29 2016-11-30 株式会社沖データ 画像形成装置及び画像形成装置の発光量補正方法
JP7143108B2 (ja) 2018-04-24 2022-09-28 キヤノン株式会社 フラットケーブル及び電子装置
JP7130469B2 (ja) * 2018-06-29 2022-09-05 キヤノン株式会社 画像形成装置
JP7584933B2 (ja) 2019-08-23 2024-11-18 キヤノン株式会社 発光装置及び該発光装置を備える画像形成装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022096967A (ja) 2020-12-18 2022-06-30 キヤノン株式会社 露光ヘッド及び画像形成装置

Also Published As

Publication number Publication date
US12332579B2 (en) 2025-06-17
JP7780594B2 (ja) 2025-12-04
JP2024030133A (ja) 2024-03-07
US20240069461A1 (en) 2024-02-29
US20250278036A1 (en) 2025-09-04
JP2024155980A (ja) 2024-10-31

Similar Documents

Publication Publication Date Title
JP7780594B2 (ja) 露光装置及び画像形成装置
JP2025174986A (ja) 光プリントヘッド及び光プリントヘッドを備える画像形成装置
US20250172887A1 (en) Light-emitting chip including plurality of light-emitting portions, and image-forming apparatus
JP7483978B2 (ja) 画像形成装置
US20250348020A1 (en) Optical print head and image forming apparatus equipped with optical print head
JP2025119422A (ja) 露光装置及び画像形成装置
JP2025187465A (ja) 露光ヘッド、および露光ヘッドを備える画像形成装置
JP7583775B2 (ja) 露光制御装置及び画像形成装置
JP7755615B2 (ja) 露光装置及び画像形成装置
JP2025180409A (ja) 画像形成装置
JP2025177893A (ja) 画像形成装置
JP2025012161A (ja) 光プリントヘッド及び光プリントヘッドを備える画像形成装置
JP2025019881A (ja) 露光装置、画像形成装置及び製造方法
JP2025023666A (ja) 露光装置及び画像形成装置
JP2025122489A (ja) 通信システム及び画像形成装置
JP2024179160A (ja) 画像形成装置
JP2025026095A (ja) データ通信装置及び画像形成装置
JP2025026096A (ja) 発光チップの製造方法、発光チップ、露光ヘッド、及び、画像形成装置
JP2025178743A (ja) 画像形成装置
JP4843307B2 (ja) 発光装置および画像形成装置
JP2025184964A (ja) 画像形成装置
JP2024053937A (ja) 露光装置及び画像形成装置
CN121050198A (zh) 曝光头和包括曝光头的图像形成装置
JPH1128835A (ja) 記録チップ、記録ヘッド、および、画像記録装置
JP2004262107A (ja) 画像形成装置及び画像形成装置の制御方法

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230814

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240329

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240528

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240603

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240719

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: 20240729

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240827

R150 Certificate of patent or registration of utility model

Ref document number: 7546628

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150