NL7500336A - Belichtings- en uitdoofbesturing voor electro- statische reproduktiemachines. - Google Patents

Belichtings- en uitdoofbesturing voor electro- statische reproduktiemachines.

Info

Publication number
NL7500336A
NL7500336A NL7500336A NL7500336A NL7500336A NL 7500336 A NL7500336 A NL 7500336A NL 7500336 A NL7500336 A NL 7500336A NL 7500336 A NL7500336 A NL 7500336A NL 7500336 A NL7500336 A NL 7500336A
Authority
NL
Netherlands
Prior art keywords
exposure
exhaust control
reproduction machines
electrostatic reproduction
electrostatic
Prior art date
Application number
NL7500336A
Other languages
English (en)
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Publication of NL7500336A publication Critical patent/NL7500336A/nl

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
    • G03G2215/0434—Parameters defining the non-image area to be cleaned
    • G03G2215/0446—Magnification degree

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
NL7500336A 1974-02-22 1975-01-10 Belichtings- en uitdoofbesturing voor electro- statische reproduktiemachines. NL7500336A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44501374A 1974-02-22 1974-02-22

Publications (1)

Publication Number Publication Date
NL7500336A true NL7500336A (nl) 1975-05-30

Family

ID=23767298

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7500336A NL7500336A (nl) 1974-02-22 1975-01-10 Belichtings- en uitdoofbesturing voor electro- statische reproduktiemachines.

Country Status (5)

Country Link
JP (1) JPS50120342A (nl)
DE (1) DE2460544A1 (nl)
FR (1) FR2262339B1 (nl)
GB (1) GB1487793A (nl)
NL (1) NL7500336A (nl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1055822B (it) * 1976-01-20 1982-01-11 Olivetti E C Spa Macchina copiatrice elettrofotografica
US4255042A (en) * 1979-03-26 1981-03-10 International Business Machines Corporation Light pipe for accurate erasure of photoconductor charge
DE3571710D1 (en) * 1984-11-06 1989-08-24 Toshiba Kk Image forming apparatus with image forming area selection
JPS6236681A (ja) * 1985-08-12 1987-02-17 Toshiba Corp 画像形成装置
JPS6380279A (ja) * 1986-09-24 1988-04-11 Sharp Corp ブランクランプを備えた複写機
US5274419A (en) * 1989-12-20 1993-12-28 Dainippon Screen Mfg. Co., Ltd. Camera and photosensitive material feed unit useful therefor

Also Published As

Publication number Publication date
GB1487793A (en) 1977-10-05
FR2262339B1 (nl) 1980-09-12
JPS50120342A (nl) 1975-09-20
DE2460544A1 (de) 1975-08-28
FR2262339A1 (nl) 1975-09-19

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Legal Events

Date Code Title Description
BV The patent application has lapsed