IT8847878A0 - Apparecchio di formazione di immagine con mezzi di esposizione in bianco - Google Patents

Apparecchio di formazione di immagine con mezzi di esposizione in bianco

Info

Publication number
IT8847878A0
IT8847878A0 IT8847878A IT4787888A IT8847878A0 IT 8847878 A0 IT8847878 A0 IT 8847878A0 IT 8847878 A IT8847878 A IT 8847878A IT 4787888 A IT4787888 A IT 4787888A IT 8847878 A0 IT8847878 A0 IT 8847878A0
Authority
IT
Italy
Prior art keywords
imaging apparatus
exposure means
white exposure
white
imaging
Prior art date
Application number
IT8847878A
Other languages
English (en)
Other versions
IT1219547B (it
Inventor
Tanaka Makoto
Jun Koide
Original Assignee
Canon Kk
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 Kk filed Critical Canon Kk
Publication of IT8847878A0 publication Critical patent/IT8847878A0/it
Application granted granted Critical
Publication of IT1219547B publication Critical patent/IT1219547B/it

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
    • G03G15/045—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 charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas
    • G03G15/047—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 charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas for discharging non-image areas
    • 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
    • G03G2215/0431—Producing a clean non-image area, i.e. avoiding show-around effects
    • G03G2215/0448—Charge-erasing means for the non-image area

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
IT47878/88A 1987-04-22 1988-04-21 Apparecchio di formazione di immagine con mezzi di esposizione in bianco IT1219547B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9954187 1987-04-22
JP13092287 1987-05-27

Publications (2)

Publication Number Publication Date
IT8847878A0 true IT8847878A0 (it) 1988-04-21
IT1219547B IT1219547B (it) 1990-05-18

Family

ID=26440671

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47878/88A IT1219547B (it) 1987-04-22 1988-04-21 Apparecchio di formazione di immagine con mezzi di esposizione in bianco

Country Status (4)

Country Link
US (1) US5666610A (it)
EP (1) EP0288005B1 (it)
DE (1) DE3882073T2 (it)
IT (1) IT1219547B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5914208A (en) * 1997-03-21 1999-06-22 Mita Industrial Co., Ltd. Electrophotographic photosensitive material
US8560918B1 (en) 2009-04-21 2013-10-15 Marvell International Ltd. Method and apparatus for dynamically selecting an error correction code to be applied to data in a communication system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1535398A (en) * 1975-06-13 1978-12-13 Tokyo Shibaura Electric Co Electrostatic copying apparatus
JPS54642A (en) * 1977-11-17 1979-01-06 Ricoh Co Ltd Copying apparatus for zerography
US4333130A (en) * 1980-02-28 1982-06-01 Canon Kabushiki Kaisha Slit illuminating device
JPS5726870A (en) * 1980-07-23 1982-02-13 Canon Inc Electrophotographic device
JPS5753760A (en) * 1980-09-17 1982-03-30 Canon Inc Copying device
JPS5816251A (ja) * 1981-07-22 1983-01-29 Fuji Xerox Co Ltd 電子複写機の不要像消去装置
JPS6035666B2 (ja) * 1981-09-26 1985-08-15 キヤノン株式会社 電子写真装置
JPS58196555A (ja) * 1982-05-12 1983-11-16 Canon Inc 画像形成装置
DE3442028A1 (de) * 1983-11-17 1985-05-30 Canon K.K., Tokio/Tokyo Geraet zur erzeugung von abbildungen von positiv- und negativ-originalen
US4894682A (en) * 1986-09-30 1990-01-16 Canon Kabushiki Kaisha Variable magnification copying apparatus

Also Published As

Publication number Publication date
IT1219547B (it) 1990-05-18
DE3882073D1 (de) 1993-08-05
US5666610A (en) 1997-09-09
DE3882073T2 (de) 1993-10-21
EP0288005A2 (en) 1988-10-26
EP0288005B1 (en) 1993-06-30
EP0288005A3 (en) 1988-12-14

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970324