JPS59142572A - 画像形成装置 - Google Patents

画像形成装置

Info

Publication number
JPS59142572A
JPS59142572A JP1454683A JP1454683A JPS59142572A JP S59142572 A JPS59142572 A JP S59142572A JP 1454683 A JP1454683 A JP 1454683A JP 1454683 A JP1454683 A JP 1454683A JP S59142572 A JPS59142572 A JP S59142572A
Authority
JP
Japan
Prior art keywords
toner
positive
blank exposure
original
light shielding
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.)
Granted
Application number
JP1454683A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0557588B2 (enrdf_load_stackoverflow
Inventor
Noriyuki Ishihara
石原　敬之
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP1454683A priority Critical patent/JPS59142572A/ja
Publication of JPS59142572A publication Critical patent/JPS59142572A/ja
Publication of JPH0557588B2 publication Critical patent/JPH0557588B2/ja
Granted 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
JP1454683A 1983-02-02 1983-02-02 画像形成装置 Granted JPS59142572A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1454683A JPS59142572A (ja) 1983-02-02 1983-02-02 画像形成装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1454683A JPS59142572A (ja) 1983-02-02 1983-02-02 画像形成装置

Publications (2)

Publication Number Publication Date
JPS59142572A true JPS59142572A (ja) 1984-08-15
JPH0557588B2 JPH0557588B2 (enrdf_load_stackoverflow) 1993-08-24

Family

ID=11864148

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1454683A Granted JPS59142572A (ja) 1983-02-02 1983-02-02 画像形成装置

Country Status (1)

Country Link
JP (1) JPS59142572A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61177475A (ja) * 1985-02-01 1986-08-09 Canon Inc 照明装置
JPS61185763A (ja) * 1985-02-14 1986-08-19 Canon Inc 画像形成装置
JPS6289033A (ja) * 1985-10-15 1987-04-23 Fuji Photo Film Co Ltd 複写装置のトリミング機構
JPH0333877A (ja) * 1989-06-30 1991-02-14 Canon Inc 画像形成装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56132358A (en) * 1980-03-19 1981-10-16 Canon Inc Copying apparatus
JPS56143467A (en) * 1980-04-10 1981-11-09 Canon Inc Copying apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56132358A (en) * 1980-03-19 1981-10-16 Canon Inc Copying apparatus
JPS56143467A (en) * 1980-04-10 1981-11-09 Canon Inc Copying apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61177475A (ja) * 1985-02-01 1986-08-09 Canon Inc 照明装置
JPS61185763A (ja) * 1985-02-14 1986-08-19 Canon Inc 画像形成装置
JPS6289033A (ja) * 1985-10-15 1987-04-23 Fuji Photo Film Co Ltd 複写装置のトリミング機構
JPH0333877A (ja) * 1989-06-30 1991-02-14 Canon Inc 画像形成装置

Also Published As

Publication number Publication date
JPH0557588B2 (enrdf_load_stackoverflow) 1993-08-24

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