JP7738509B2 - 画像形成装置 - Google Patents

画像形成装置

Info

Publication number
JP7738509B2
JP7738509B2 JP2022048422A JP2022048422A JP7738509B2 JP 7738509 B2 JP7738509 B2 JP 7738509B2 JP 2022048422 A JP2022048422 A JP 2022048422A JP 2022048422 A JP2022048422 A JP 2022048422A JP 7738509 B2 JP7738509 B2 JP 7738509B2
Authority
JP
Japan
Prior art keywords
light
image
emitting
value
correction
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
JP2022048422A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023141874A (ja
JP2023141874A5 (https=
Inventor
泰友 古田
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 JP2022048422A priority Critical patent/JP7738509B2/ja
Priority to US18/120,084 priority patent/US11977342B2/en
Priority to CN202310296132.2A priority patent/CN116804837A/zh
Publication of JP2023141874A publication Critical patent/JP2023141874A/ja
Priority to US18/612,202 priority patent/US12306554B2/en
Publication of JP2023141874A5 publication Critical patent/JP2023141874A5/ja
Priority to US19/190,021 priority patent/US20250251677A1/en
Priority to JP2025144808A priority patent/JP2025172130A/ja
Application granted granted Critical
Publication of JP7738509B2 publication Critical patent/JP7738509B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
    • 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
    • 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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/027—Test patterns and calibration
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
    • G06K15/1238—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers simultaneously exposing more than one point
    • G06K15/1242—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers simultaneously exposing more than one point on one main scanning line
    • G06K15/1247—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers simultaneously exposing more than one point on one main scanning line using an array of light sources, e.g. a linear array
    • 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
    • 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
    • G03G2215/0412—Electroluminescent elements, i.e. EL-array
    • 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
    • G03G2215/0426—Editing of the image, e.g. adding or deleting
    • 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
    • G03G2215/0429—Changing or enhancing the image

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Facsimile Heads (AREA)
JP2022048422A 2022-03-24 2022-03-24 画像形成装置 Active JP7738509B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2022048422A JP7738509B2 (ja) 2022-03-24 2022-03-24 画像形成装置
US18/120,084 US11977342B2 (en) 2022-03-24 2023-03-10 Image forming apparatus including exposure head provided with plurality of light emitting chips
CN202310296132.2A CN116804837A (zh) 2022-03-24 2023-03-23 图像形成装置
US18/612,202 US12306554B2 (en) 2022-03-24 2024-03-21 Image forming apparatus including exposure head provided with plurality of light emitting chips
US19/190,021 US20250251677A1 (en) 2022-03-24 2025-04-25 Image forming apparatus including exposure head provided with plurality of light emitting chips
JP2025144808A JP2025172130A (ja) 2022-03-24 2025-09-01 画像形成装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022048422A JP7738509B2 (ja) 2022-03-24 2022-03-24 画像形成装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2025144808A Division JP2025172130A (ja) 2022-03-24 2025-09-01 画像形成装置

Publications (3)

Publication Number Publication Date
JP2023141874A JP2023141874A (ja) 2023-10-05
JP2023141874A5 JP2023141874A5 (https=) 2025-03-18
JP7738509B2 true JP7738509B2 (ja) 2025-09-12

Family

ID=88079026

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2022048422A Active JP7738509B2 (ja) 2022-03-24 2022-03-24 画像形成装置
JP2025144808A Pending JP2025172130A (ja) 2022-03-24 2025-09-01 画像形成装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2025144808A Pending JP2025172130A (ja) 2022-03-24 2025-09-01 画像形成装置

Country Status (3)

Country Link
US (3) US11977342B2 (https=)
JP (2) JP7738509B2 (https=)
CN (1) CN116804837A (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7738509B2 (ja) * 2022-03-24 2025-09-12 キヤノン株式会社 画像形成装置
JP7738508B2 (ja) 2022-03-24 2025-09-12 キヤノン株式会社 画像形成装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004188849A (ja) 2002-12-12 2004-07-08 Kyocera Mita Corp 画像形成装置
JP2011015405A (ja) 2009-07-02 2011-01-20 Xerox Corp 積算時間補償付きイメージセンサ
JP2020001243A (ja) 2018-06-27 2020-01-09 キヤノン株式会社 画像形成装置
JP2020001240A (ja) 2018-06-27 2020-01-09 キヤノン株式会社 画像形成装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018001679A (ja) 2016-07-06 2018-01-11 富士ゼロックス株式会社 画像形成装置
JP2018056757A (ja) * 2016-09-28 2018-04-05 株式会社リコー 画像処理装置、駆動制御装置、光源制御装置、画像形成装置および画像処理方法
JP7481892B2 (ja) * 2020-04-30 2024-05-13 キヤノン株式会社 画像形成装置
US11036158B1 (en) * 2020-09-18 2021-06-15 Toshiba Tec Kabushiki Kaisha Image forming apparatus which controls time interval between first and second image data based on print head emission time
JP7567318B2 (ja) * 2020-09-24 2024-10-16 富士フイルムビジネスイノベーション株式会社 画像形成装置
JP7592483B2 (ja) * 2020-12-18 2024-12-02 キヤノン株式会社 画像形成装置
JP7738509B2 (ja) * 2022-03-24 2025-09-12 キヤノン株式会社 画像形成装置
JP7738508B2 (ja) 2022-03-24 2025-09-12 キヤノン株式会社 画像形成装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004188849A (ja) 2002-12-12 2004-07-08 Kyocera Mita Corp 画像形成装置
JP2011015405A (ja) 2009-07-02 2011-01-20 Xerox Corp 積算時間補償付きイメージセンサ
JP2020001243A (ja) 2018-06-27 2020-01-09 キヤノン株式会社 画像形成装置
JP2020001240A (ja) 2018-06-27 2020-01-09 キヤノン株式会社 画像形成装置

Also Published As

Publication number Publication date
JP2025172130A (ja) 2025-11-20
JP2023141874A (ja) 2023-10-05
US11977342B2 (en) 2024-05-07
US20250251677A1 (en) 2025-08-07
CN116804837A (zh) 2023-09-26
US20230305427A1 (en) 2023-09-28
US20240231254A1 (en) 2024-07-11
US12306554B2 (en) 2025-05-20

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