JPS50120342A - - Google Patents

Info

Publication number
JPS50120342A
JPS50120342A JP50018689A JP1868975A JPS50120342A JP S50120342 A JPS50120342 A JP S50120342A JP 50018689 A JP50018689 A JP 50018689A JP 1868975 A JP1868975 A JP 1868975A JP S50120342 A JPS50120342 A JP S50120342A
Authority
JP
Japan
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.)
Pending
Application number
JP50018689A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS50120342A publication Critical patent/JPS50120342A/ja
Pending legal-status Critical Current

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
JP50018689A 1974-02-22 1975-02-14 Pending JPS50120342A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
JPS50120342A true JPS50120342A (fr) 1975-09-20

Family

ID=23767298

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50018689A Pending JPS50120342A (fr) 1974-02-22 1975-02-14

Country Status (5)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55127582A (en) * 1979-03-26 1980-10-02 Ibm Electrostatic copier
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

Families Citing this family (3)

* 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
US4655580A (en) * 1984-11-06 1987-04-07 Kabushiki Kaisha Toshiba Image forming apparatus with image forming area selection
JPS6236681A (ja) * 1985-08-12 1987-02-17 Toshiba Corp 画像形成装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55127582A (en) * 1979-03-26 1980-10-02 Ibm Electrostatic copier
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
NL7500336A (nl) 1975-05-30
DE2460544A1 (de) 1975-08-28
FR2262339A1 (fr) 1975-09-19
FR2262339B1 (fr) 1980-09-12
GB1487793A (en) 1977-10-05

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