DE3884028D1 - Kopiergerät mit einer automatischen Belichtungs-Steuereinrichtung. - Google Patents

Kopiergerät mit einer automatischen Belichtungs-Steuereinrichtung.

Info

Publication number
DE3884028D1
DE3884028D1 DE88105109T DE3884028T DE3884028D1 DE 3884028 D1 DE3884028 D1 DE 3884028D1 DE 88105109 T DE88105109 T DE 88105109T DE 3884028 T DE3884028 T DE 3884028T DE 3884028 D1 DE3884028 D1 DE 3884028D1
Authority
DE
Germany
Prior art keywords
copier
control device
exposure control
automatic exposure
automatic
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 - Lifetime
Application number
DE88105109T
Other languages
English (en)
Other versions
DE3884028T2 (de
Inventor
Yoshiyuki Noda
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Application granted granted Critical
Publication of DE3884028D1 publication Critical patent/DE3884028D1/de
Publication of DE3884028T2 publication Critical patent/DE3884028T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G03G15/04—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)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
DE88105109T 1987-03-31 1988-03-29 Kopiergerät mit einer automatischen Belichtungs-Steuereinrichtung. Expired - Lifetime DE3884028T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62079250A JPS63244028A (ja) 1987-03-31 1987-03-31 自動露光装置付き複写装置

Publications (2)

Publication Number Publication Date
DE3884028D1 true DE3884028D1 (de) 1993-10-21
DE3884028T2 DE3884028T2 (de) 1994-02-17

Family

ID=13684608

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88105109T Expired - Lifetime DE3884028T2 (de) 1987-03-31 1988-03-29 Kopiergerät mit einer automatischen Belichtungs-Steuereinrichtung.

Country Status (4)

Country Link
US (1) US4910554A (de)
EP (1) EP0285105B1 (de)
JP (1) JPS63244028A (de)
DE (1) DE3884028T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01303425A (ja) * 1988-05-31 1989-12-07 Sharp Corp 自動露光装置
JP2685816B2 (ja) * 1988-06-30 1997-12-03 株式会社東芝 光量制御装置
JPH04331562A (ja) * 1990-07-31 1992-11-19 Xerox Corp 文書複写機
JP2519348B2 (ja) * 1990-10-13 1996-07-31 三田工業株式会社 画像形成装置
US5303006A (en) * 1990-12-25 1994-04-12 Mita Industrial Co., Ltd. Image density control device for use in an image forming apparatus
JP3160306B2 (ja) * 1991-03-29 2001-04-25 株式会社東芝 画像形成装置
US5305059A (en) * 1991-10-17 1994-04-19 Kabushiki Kaisha Toshiba Image forming apparatus

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1529220A (en) * 1975-12-30 1978-10-18 Xerox Corp Exposure control system
GB1559021A (en) * 1976-12-31 1980-01-09 Xerox Corp Copier
US4354758A (en) * 1980-01-31 1982-10-19 Tokyo Shibaura Denki Kabushiki Kaisha Exposure control device for a photocopier
JPS5823066A (ja) * 1981-08-05 1983-02-10 Fuji Xerox Co Ltd 複写機等の最適ランプ電圧検出方法
JPS5876862A (ja) * 1981-10-30 1983-05-10 Ricoh Co Ltd 原稿情報読取制御方法
JPS6010267A (ja) * 1983-06-30 1985-01-19 Canon Inc 像形成装置
JPS61147243A (ja) * 1984-12-20 1986-07-04 Sharp Corp 露光量調整装置
JPS61189579A (ja) * 1985-02-19 1986-08-23 Sharp Corp 複写機の露光調整装置
JPS6249343A (ja) * 1985-08-28 1987-03-04 Toshiba Corp 露光ランプの調光装置
US4755852A (en) * 1986-03-05 1988-07-05 Sharp Kabushiki Kaisha Exposure control device for a copier

Also Published As

Publication number Publication date
US4910554A (en) 1990-03-20
DE3884028T2 (de) 1994-02-17
EP0285105B1 (de) 1993-09-15
EP0285105A1 (de) 1988-10-05
JPS63244028A (ja) 1988-10-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

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