NL7512887A - Elektrofotografisch kopieerapparaat. - Google Patents

Elektrofotografisch kopieerapparaat.

Info

Publication number
NL7512887A
NL7512887A NL7512887A NL7512887A NL7512887A NL 7512887 A NL7512887 A NL 7512887A NL 7512887 A NL7512887 A NL 7512887A NL 7512887 A NL7512887 A NL 7512887A NL 7512887 A NL7512887 A NL 7512887A
Authority
NL
Netherlands
Prior art keywords
electrophotographic copier
copier
electrophotographic
Prior art date
Application number
NL7512887A
Other languages
English (en)
Original Assignee
Oce Van Der Grinten Nv
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 Oce Van Der Grinten Nv filed Critical Oce Van Der Grinten Nv
Priority to NL7512887A priority Critical patent/NL7512887A/nl
Priority to JP11432476A priority patent/JPS5257833A/ja
Priority to DE19762647628 priority patent/DE2647628A1/de
Priority to GB4510776A priority patent/GB1538882A/en
Priority to FR7633094A priority patent/FR2331072A1/fr
Publication of NL7512887A publication Critical patent/NL7512887A/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
    • G03G2215/0436—Document properties at the scanning position, e.g. position and density
    • 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
    • G03G2215/0463—Exposure lamp used for scanning

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Projection-Type Copiers In General (AREA)
NL7512887A 1975-11-04 1975-11-04 Elektrofotografisch kopieerapparaat. NL7512887A (nl)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL7512887A NL7512887A (nl) 1975-11-04 1975-11-04 Elektrofotografisch kopieerapparaat.
JP11432476A JPS5257833A (en) 1975-11-04 1976-09-22 Electrophotographic copying machine
DE19762647628 DE2647628A1 (de) 1975-11-04 1976-10-21 Elektrophotographisches kopiergeraet
GB4510776A GB1538882A (en) 1975-11-04 1976-10-29 Electrophotographic copying apparatus
FR7633094A FR2331072A1 (fr) 1975-11-04 1976-11-03 Appareil copieur electrophotographique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7512887A NL7512887A (nl) 1975-11-04 1975-11-04 Elektrofotografisch kopieerapparaat.

Publications (1)

Publication Number Publication Date
NL7512887A true NL7512887A (nl) 1977-05-06

Family

ID=19824784

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7512887A NL7512887A (nl) 1975-11-04 1975-11-04 Elektrofotografisch kopieerapparaat.

Country Status (5)

Country Link
JP (1) JPS5257833A (nl)
DE (1) DE2647628A1 (nl)
FR (1) FR2331072A1 (nl)
GB (1) GB1538882A (nl)
NL (1) NL7512887A (nl)

Also Published As

Publication number Publication date
FR2331072A1 (fr) 1977-06-03
FR2331072B3 (nl) 1978-12-15
JPS5257833A (en) 1977-05-12
GB1538882A (en) 1979-01-24
DE2647628A1 (de) 1977-05-05

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BV The patent application has lapsed