CA1176301A - Modulated light printing - Google Patents

Modulated light printing

Info

Publication number
CA1176301A
CA1176301A CA000373903A CA373903A CA1176301A CA 1176301 A CA1176301 A CA 1176301A CA 000373903 A CA000373903 A CA 000373903A CA 373903 A CA373903 A CA 373903A CA 1176301 A CA1176301 A CA 1176301A
Authority
CA
Canada
Prior art keywords
register
copies
duplicates
prints
bit
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
Application number
CA000373903A
Other languages
English (en)
French (fr)
Inventor
Douglas J. Conly
Bonnie B. Baker
David D. Larson
Stanley T. Riddle
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1176301A publication Critical patent/CA1176301A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/04Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/04018Image composition, e.g. adding or superposing informations on the original image
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/04Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/045Apparatus 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
    • G03G15/047Apparatus 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
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00Apparatus for electrophotographic processes
    • G03G2215/04Arrangements for exposing and producing an image
    • G03G2215/0429Changing or enhancing the image
    • G03G2215/0431Producing a clean non-image area, i.e. avoiding show-around effects
    • G03G2215/0448Charge-erasing means for the non-image area
    • G03G2215/0451Light-emitting array or panel

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Dot-Matrix Printers And Others (AREA)
CA000373903A 1980-05-05 1981-03-26 Modulated light printing Expired CA1176301A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14671480A 1980-05-05 1980-05-05
US146,714 1980-05-05

Publications (1)

Publication Number Publication Date
CA1176301A true CA1176301A (en) 1984-10-16

Family

ID=22518657

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000373903A Expired CA1176301A (en) 1980-05-05 1981-03-26 Modulated light printing

Country Status (8)

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

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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
ES501850A0 (es) 1982-11-16
JPS6119990B2 (OSRAM) 1986-05-20
EP0039403B1 (en) 1984-03-14
EP0039403A2 (en) 1981-11-11
DE3162574D1 (en) 1984-04-19
BR8102740A (pt) 1982-01-26
ES8301372A1 (es) 1982-11-16
ZA812195B (en) 1982-04-28
IE51609B1 (en) 1987-01-21
IE810980L (en) 1981-11-05
EP0039403A3 (en) 1982-03-17
JPS572061A (en) 1982-01-07

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Legal Events

Date Code Title Description
MKEX Expiry