DE69110119D1 - In einem Bilderzeugungsgerät verwendbares Bilddichtesteuergerät. - Google Patents

In einem Bilderzeugungsgerät verwendbares Bilddichtesteuergerät.

Info

Publication number
DE69110119D1
DE69110119D1 DE69110119T DE69110119T DE69110119D1 DE 69110119 D1 DE69110119 D1 DE 69110119D1 DE 69110119 T DE69110119 T DE 69110119T DE 69110119 T DE69110119 T DE 69110119T DE 69110119 D1 DE69110119 D1 DE 69110119D1
Authority
DE
Germany
Prior art keywords
control device
forming apparatus
density control
device usable
image forming
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.)
Expired - Fee Related
Application number
DE69110119T
Other languages
English (en)
Other versions
DE69110119T2 (de
Inventor
Kazuhiro Mizude
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.)
Kyocera Mita Industrial Co Ltd
Original Assignee
Mita Industrial Co Ltd
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
Priority claimed from JP2406100A external-priority patent/JPH04221971A/ja
Priority claimed from JP2406099A external-priority patent/JPH04221970A/ja
Application filed by Mita Industrial Co Ltd filed Critical Mita Industrial Co Ltd
Application granted granted Critical
Publication of DE69110119D1 publication Critical patent/DE69110119D1/de
Publication of DE69110119T2 publication Critical patent/DE69110119T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5025—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the original characteristics, e.g. contrast, density
    • 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
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0266—Arrangements for controlling the amount of charge
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
DE69110119T 1990-12-25 1991-12-23 In einem Bilderzeugungsgerät verwendbares Bilddichtesteuergerät. Expired - Fee Related DE69110119T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2406100A JPH04221971A (ja) 1990-12-25 1990-12-25 画像形成装置の画像濃度制御装置
JP2406099A JPH04221970A (ja) 1990-12-25 1990-12-25 画像形成装置の画像濃度制御装置

Publications (2)

Publication Number Publication Date
DE69110119D1 true DE69110119D1 (de) 1995-07-06
DE69110119T2 DE69110119T2 (de) 1996-01-04

Family

ID=26582948

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69110119T Expired - Fee Related DE69110119T2 (de) 1990-12-25 1991-12-23 In einem Bilderzeugungsgerät verwendbares Bilddichtesteuergerät.

Country Status (3)

Country Link
US (1) US5303006A (de)
EP (1) EP0493088B1 (de)
DE (1) DE69110119T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5453773A (en) * 1990-11-30 1995-09-26 Minolta Camera Kabushiki Kaisha Electrophotographic image forming apparatus comprising means for automatically adjusting image reproduction density
US5339137A (en) * 1992-09-17 1994-08-16 Mita Industrial Co., Ltd. Image forming apparatus
US5363174A (en) * 1993-12-20 1994-11-08 Xerox Corporation Method and apparatus for background control in an electrostatographic printing machine
JP3257891B2 (ja) * 1993-12-29 2002-02-18 キヤノン株式会社 カラー画像形成装置およびカラー画像形成装置の制御方法
JPH07261478A (ja) * 1994-03-25 1995-10-13 Canon Inc 画像形成装置
JPH08307683A (ja) * 1995-04-28 1996-11-22 Minolta Co Ltd 画像処理装置
JPH0934189A (ja) * 1995-07-19 1997-02-07 Mita Ind Co Ltd 複写機の濃度調整方法および濃度調整装置
JP3363751B2 (ja) * 1996-08-29 2003-01-08 キヤノン株式会社 プロセスカートリッジ及び電子写真画像形成装置
JPH10301370A (ja) * 1997-04-28 1998-11-13 Nec Niigata Ltd 電子写真装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6051105B2 (ja) * 1979-12-24 1985-11-12 株式会社東芝 自動画質制御複写機
JPS5879264A (ja) * 1981-11-06 1983-05-13 Canon Inc 画像形成装置
JPS58208739A (ja) * 1982-05-31 1983-12-05 Canon Inc 画像形成装置
JPS58217950A (ja) * 1982-06-14 1983-12-19 Matsushita Electric Ind Co Ltd 複写装置
JPS6043669A (ja) * 1983-08-20 1985-03-08 Matsushita Electric Ind Co Ltd 複写装置
JPS60119580A (ja) * 1983-12-02 1985-06-27 Canon Inc 画像形成装置
US4796060A (en) * 1986-08-29 1989-01-03 Mita Industrial Co., Ltd. Automatic exposure device
JPS63142371A (ja) * 1986-12-05 1988-06-14 Toshiba Corp 画像形成装置
US4879576A (en) * 1987-03-13 1989-11-07 Minolta Camera Kabushiki Kaisha Exposure control device and method
JPS63244028A (ja) * 1987-03-31 1988-10-11 Sharp Corp 自動露光装置付き複写装置
JPH02127662A (ja) * 1988-11-08 1990-05-16 Ricoh Co Ltd 画像濃度制御方法
JP2738749B2 (ja) * 1989-08-07 1998-04-08 株式会社リコー 画像形成装置
JP2589413B2 (ja) * 1991-03-28 1997-03-12 三田工業株式会社 複写機

Also Published As

Publication number Publication date
DE69110119T2 (de) 1996-01-04
EP0493088B1 (de) 1995-05-31
EP0493088A2 (de) 1992-07-01
EP0493088A3 (en) 1993-01-13
US5303006A (en) 1994-04-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee