IE51609B1 - Xerographic copier including controllable erase system - Google Patents

Xerographic copier including controllable erase system

Info

Publication number
IE51609B1
IE51609B1 IE980/81A IE98081A IE51609B1 IE 51609 B1 IE51609 B1 IE 51609B1 IE 980/81 A IE980/81 A IE 980/81A IE 98081 A IE98081 A IE 98081A IE 51609 B1 IE51609 B1 IE 51609B1
Authority
IE
Ireland
Prior art keywords
photoconductor
bit
light sources
erase
output
Prior art date
Application number
IE980/81A
Other languages
English (en)
Other versions
IE810980L (en
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of IE810980L publication Critical patent/IE810980L/xx
Publication of IE51609B1 publication Critical patent/IE51609B1/en

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
    • G03G15/04018—Image composition, e.g. adding or superposing informations on the original image
    • 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
    • G03G2215/0451—Light-emitting array or panel

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
IE980/81A 1980-05-05 1981-05-04 Xerographic copier including controllable erase system IE51609B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14671480A 1980-05-05 1980-05-05

Publications (2)

Publication Number Publication Date
IE810980L IE810980L (en) 1981-11-05
IE51609B1 true IE51609B1 (en) 1987-01-21

Family

ID=22518657

Family Applications (1)

Application Number Title Priority Date Filing Date
IE980/81A IE51609B1 (en) 1980-05-05 1981-05-04 Xerographic copier including controllable erase system

Country Status (8)

Country Link
EP (1) EP0039403B1 (es)
JP (1) JPS572061A (es)
BR (1) BR8102740A (es)
CA (1) CA1176301A (es)
DE (1) DE3162574D1 (es)
ES (1) ES8301372A1 (es)
IE (1) IE51609B1 (es)
ZA (1) ZA812195B (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5952674A (ja) * 1982-09-03 1984-03-27 Tokyo Electric Co Ltd プリンタ
JPS60140287A (ja) * 1983-12-28 1985-07-25 Mita Ind Co Ltd 除電ランプ装置
JPS6143047U (ja) * 1984-08-21 1986-03-20 ジューキ株式会社 潜像発生ヘツド
GB8426046D0 (en) * 1984-10-15 1984-11-21 Xerox Corp Electrophotographic apparatus
JPS6295070A (ja) * 1985-10-22 1987-05-01 Futaba Corp 光書込み装置
JPS62108666A (ja) * 1985-11-06 1987-05-19 Canon Inc 画像形成装置
JPH02201386A (ja) * 1989-01-30 1990-08-09 Canon Inc 画像記録装置
KR200460323Y1 (ko) * 2011-06-29 2012-05-15 강학현 강화 마루판용 마감 부재

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5339124A (en) * 1976-09-21 1978-04-10 Mitsubishi Electric Corp Image former
JPS5492261A (en) * 1977-12-29 1979-07-21 Konishiroku Photo Ind Co Ltd Destaticizing device in electrophotographic copier
US4255042A (en) * 1979-03-26 1981-03-10 International Business Machines Corporation Light pipe for accurate erasure of photoconductor charge

Also Published As

Publication number Publication date
ZA812195B (en) 1982-04-28
ES501850A0 (es) 1982-11-16
IE810980L (en) 1981-11-05
BR8102740A (pt) 1982-01-26
EP0039403B1 (en) 1984-03-14
EP0039403A2 (en) 1981-11-11
JPS6119990B2 (es) 1986-05-20
JPS572061A (en) 1982-01-07
EP0039403A3 (en) 1982-03-17
CA1176301A (en) 1984-10-16
DE3162574D1 (en) 1984-04-19
ES8301372A1 (es) 1982-11-16

Similar Documents

Publication Publication Date Title
US4538905A (en) Electronic image registration
CA1075758A (en) Dual mode electrophotographic apparatus having dual function printing beam
JP3350516B2 (ja) 画像形成装置
EP0088555B1 (en) Dot matrix printing method and printer therefor
US4963927A (en) Electrophotographic recording apparatus having a developer resupply control function
EP0246457B1 (en) Compensation for fine line prints
US5510885A (en) Color image forming apparatus
IE51609B1 (en) Xerographic copier including controllable erase system
US4975747A (en) Image density control by sensing reference density patterns at multiple points
US4335952A (en) Copy quality diagnostic procedure
GB1501737A (en) Optical system including a screen
US4490032A (en) Modulated light printing
US10158782B2 (en) Data processing apparatus and image forming apparatus having shift register for parallel and serial signal conversions
KR0119265B1 (ko) Led 어레이를 갖는 노출장치와 프린터
JPS5473026A (en) Copying machine
US7343108B2 (en) Apparatus and process for altering timing in an electrographic printer
US4332465A (en) Balanced photoconductor usage control system
JPS62502920A (ja) 色強調複写物を作成するための多色電子写真複写装置及び方法
JPH04330472A (ja) プリンタのトナー補給方法
US6229593B1 (en) Exposure device
KR960006814B1 (ko) 전자사진 방식 프린터의 광신호 제어방법 및 장치
JPS61114648A (ja) 印字制御装置
JPH0522568A (ja) 画像形成装置
KR100424004B1 (ko) 레이저 빔 프린터에 있어서 이중정착 방법 및 장치
JP3634096B2 (ja) 画像形成装置