DE3768108D1 - Automatische belichtungsvorrichtung fuer ein kopiergeraet. - Google Patents

Automatische belichtungsvorrichtung fuer ein kopiergeraet.

Info

Publication number
DE3768108D1
DE3768108D1 DE8787301991T DE3768108T DE3768108D1 DE 3768108 D1 DE3768108 D1 DE 3768108D1 DE 8787301991 T DE8787301991 T DE 8787301991T DE 3768108 T DE3768108 T DE 3768108T DE 3768108 D1 DE3768108 D1 DE 3768108D1
Authority
DE
Germany
Prior art keywords
copier
exposure device
automatic exposure
automatic
exposure
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
DE8787301991T
Other languages
English (en)
Inventor
Shigeo Kurando
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
Application filed by Mita Industrial Co Ltd filed Critical Mita Industrial Co Ltd
Application granted granted Critical
Publication of DE3768108D1 publication Critical patent/DE3768108D1/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
    • G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
    • G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Fixing For Electrophotography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
DE8787301991T 1986-03-11 1987-03-09 Automatische belichtungsvorrichtung fuer ein kopiergeraet. Expired - Lifetime DE3768108D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61053074A JPH0746256B2 (ja) 1986-03-11 1986-03-11 画像形成装置の自動露光装置

Publications (1)

Publication Number Publication Date
DE3768108D1 true DE3768108D1 (de) 1991-04-04

Family

ID=12932661

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787301991T Expired - Lifetime DE3768108D1 (de) 1986-03-11 1987-03-09 Automatische belichtungsvorrichtung fuer ein kopiergeraet.

Country Status (4)

Country Link
US (1) US4819022A (de)
EP (1) EP0239277B1 (de)
JP (1) JPH0746256B2 (de)
DE (1) DE3768108D1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0222638A (ja) * 1988-07-11 1990-01-25 Brother Ind Ltd 画像形成装置
US4999666A (en) * 1989-01-28 1991-03-12 Brother Kogyo Kabushiki Kaisha Image forming apparatus having drive control unit
JP2519348B2 (ja) * 1990-10-13 1996-07-31 三田工業株式会社 画像形成装置
JP3110643B2 (ja) * 1995-03-07 2000-11-20 シャープ株式会社 電子写真装置
JP2003134307A (ja) * 2001-10-26 2003-05-09 Canon Inc 画像読取装置

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1452490A (en) * 1973-12-21 1976-10-13 Xerox Corp Document copying apparatus
JPS5267345U (de) * 1975-11-13 1977-05-18
JPS5289330A (en) * 1976-01-21 1977-07-26 Ricoh Co Ltd Density adjusting device for copying machine
JPS5941579B2 (ja) * 1976-09-20 1984-10-08 株式会社リコー 静電式複写機の制御装置
JPS5853552Y2 (ja) * 1978-03-15 1983-12-06 株式会社リコー 複写機の定着ヒ−タ制御装置
US4354758A (en) * 1980-01-31 1982-10-19 Tokyo Shibaura Denki Kabushiki Kaisha Exposure control device for a photocopier
JPS56110961A (en) * 1980-02-07 1981-09-02 Toshiba Corp Exposure device of electrophotographic copier
JPS56156841A (en) * 1980-05-09 1981-12-03 Toshiba Corp Electronic copying machine
JPS57147659A (en) * 1981-03-09 1982-09-11 Ricoh Co Ltd Power control method for electrophotographic copying machine
JPS57207263A (en) * 1981-06-15 1982-12-18 Canon Inc Controller for copying machine
EP0077988B1 (de) * 1981-10-23 1986-03-19 Kabushiki Kaisha Toshiba Bilddichtedetektor für eine Abbildungsvorrichtung
JPS58195862A (ja) * 1982-05-11 1983-11-15 Canon Inc 像形成装置
JPS59137977A (ja) * 1983-01-27 1984-08-08 Canon Inc 画像形成装置
DE3406568A1 (de) * 1983-02-25 1984-08-30 Canon K.K., Tokio/Tokyo Bilderzeugungsgeraet
JPS59194219A (ja) * 1983-04-18 1984-11-05 Ricoh Co Ltd 負荷電力制御装置
US4627712A (en) * 1983-08-06 1986-12-09 Canon Kabushiki Kaisha Image density control apparatus
JPS6039667A (ja) * 1983-08-13 1985-03-01 Canon Inc 複写装置
JPS6039669A (ja) * 1983-08-13 1985-03-01 Canon Inc 複写装置
JPS6039660A (ja) * 1983-08-13 1985-03-01 Canon Inc 複写装置
JPS60118861A (ja) * 1983-11-30 1985-06-26 Mita Ind Co Ltd 画像濃度の調整装置
US4719489A (en) * 1984-02-03 1988-01-12 Canon Kabushiki Kaisha Recording apparatus having material feed mode dependent fixing control
JPS6126070A (ja) * 1984-07-16 1986-02-05 Hokushin Ind Inc 電子複写機の熱定着部用ロ−ラ及びその製造方法
JPS6126071A (ja) * 1984-07-17 1986-02-05 Canon Inc 画像形成制御装置

Also Published As

Publication number Publication date
JPH0746256B2 (ja) 1995-05-17
JPS62209556A (ja) 1987-09-14
EP0239277B1 (de) 1991-02-27
EP0239277A3 (en) 1988-03-30
US4819022A (en) 1989-04-04
EP0239277A2 (de) 1987-09-30

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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