DE69318500T2 - Bilderzeugungsgerät - Google Patents

Bilderzeugungsgerät

Info

Publication number
DE69318500T2
DE69318500T2 DE69318500T DE69318500T DE69318500T2 DE 69318500 T2 DE69318500 T2 DE 69318500T2 DE 69318500 T DE69318500 T DE 69318500T DE 69318500 T DE69318500 T DE 69318500T DE 69318500 T2 DE69318500 T2 DE 69318500T2
Authority
DE
Germany
Prior art keywords
imaging device
imaging
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
DE69318500T
Other languages
English (en)
Other versions
DE69318500D1 (de
Inventor
Katsuya Nagamochi
Rintaro Nakane
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE69318500D1 publication Critical patent/DE69318500D1/de
Publication of DE69318500T2 publication Critical patent/DE69318500T2/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
    • G03G15/04—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
    • 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
    • G03G15/5033—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 photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor
    • G03G15/5041—Detecting a toner image, e.g. density, toner coverage, using a test patch
    • 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
    • G03G15/0435—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 by introducing an optical element in the optical path, e.g. a filter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Color Electrophotography (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Developing For Electrophotography (AREA)
DE69318500T 1992-09-24 1993-03-30 Bilderzeugungsgerät Expired - Fee Related DE69318500T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27770092 1992-09-24

Publications (2)

Publication Number Publication Date
DE69318500D1 DE69318500D1 (de) 1998-06-18
DE69318500T2 true DE69318500T2 (de) 1998-10-01

Family

ID=17587096

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69318500T Expired - Fee Related DE69318500T2 (de) 1992-09-24 1993-03-30 Bilderzeugungsgerät

Country Status (3)

Country Link
US (1) US5398099A (de)
EP (1) EP0589134B1 (de)
DE (1) DE69318500T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5576804A (en) * 1994-06-08 1996-11-19 Mita Industrial Co., Ltd. Apparatus and method for inhibiting dust adherence to the contact plate of a copying machine
US5729793A (en) * 1995-07-10 1998-03-17 Fuji Photo Film Co. Ltd. Dust adhesion prevention system for image scanning system
US5613174A (en) * 1995-10-06 1997-03-18 Xerox Corporation Imaging device with positive air pressure and electrostatic precipitator
JP5252015B2 (ja) * 2011-03-18 2013-07-31 ブラザー工業株式会社 印刷装置
JP5982875B2 (ja) * 2012-02-29 2016-08-31 富士ゼロックス株式会社 光量検出装置及び画像形成装置
US10067454B2 (en) * 2016-04-14 2018-09-04 Ricoh Company, Ltd. Image forming apparatus
JP6796258B2 (ja) * 2017-06-27 2020-12-09 京セラドキュメントソリューションズ株式会社 画像形成装置

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3481669A (en) * 1965-03-01 1969-12-02 Xerox Corp Photo-charging of xerographic plates
DE1522683C3 (de) * 1965-03-01 1975-06-05 Rank Xerox Ltd., London Verfahren und Gerät zum Aufladen der fotoleitfähigen Schicht eines Aufzeichnungsmaterials sowie zur Erzeugung eines Ladungsbildes
US4277162A (en) * 1978-07-13 1981-07-07 Ricoh Company, Ltd. Electrophotographic apparatus comprising density sensor means
US4318610A (en) * 1980-04-21 1982-03-09 Xerox Corporation Control system for an electrophotographic printing machine
JPS57172235A (en) * 1981-04-16 1982-10-23 Olympus Optical Co Ltd Detector for toner density
JPS58198056A (ja) * 1982-05-14 1983-11-17 Minolta Camera Co Ltd 複写方式制御装置
US4646249A (en) * 1983-06-16 1987-02-24 Canon Kabushiki Kaisha Image processing system
US4814834A (en) * 1984-04-03 1989-03-21 Canon Kabushiki Kaisha Electrophotographic apparatus
JPH0634288B2 (ja) * 1985-11-25 1994-05-02 日立電子エンジニアリング株式会社 デイスク装置
US4737369A (en) * 1986-03-11 1988-04-12 Ajinomoto General Foods, Inc. Fat-containing powder product quickly dispersible in cold water and process for preparing the same
JPS63123065A (ja) * 1986-11-13 1988-05-26 Konica Corp 画像形成装置
US4870460A (en) * 1986-12-05 1989-09-26 Ricoh Company, Ltd. Method of controlling surface potential of photoconductive element
GB2212419B (en) * 1987-12-25 1991-12-04 Ricoh Kk Image density control method and color image forming apparatus
JP2918045B2 (ja) * 1988-10-28 1999-07-12 株式会社リコー 画像濃度制御装置
JPH02125270A (ja) * 1988-11-04 1990-05-14 Ricoh Co Ltd 複写制御装置
US5099279A (en) * 1989-08-10 1992-03-24 Minolta Camera Kabushiki Kaisha Image forming method and image forming apparatus in which the density of the toner image is measured and controlled
JP3023009B2 (ja) * 1991-05-14 2000-03-21 ミノルタ株式会社 光学式トナー濃度検出方法におけるトラブル検出方法
JPH052305A (ja) * 1991-06-26 1993-01-08 Toshiba Corp 画像形成装置
JPH05119567A (ja) * 1991-10-29 1993-05-18 Toshiba Corp 画像形成装置

Also Published As

Publication number Publication date
EP0589134A1 (de) 1994-03-30
US5398099A (en) 1995-03-14
DE69318500D1 (de) 1998-06-18
EP0589134B1 (de) 1998-05-13

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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