JPS56143467A - Copying apparatus - Google Patents

Copying apparatus

Info

Publication number
JPS56143467A
JPS56143467A JP4709780A JP4709780A JPS56143467A JP S56143467 A JPS56143467 A JP S56143467A JP 4709780 A JP4709780 A JP 4709780A JP 4709780 A JP4709780 A JP 4709780A JP S56143467 A JPS56143467 A JP S56143467A
Authority
JP
Japan
Prior art keywords
copying
original
images
polarity
toner
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
JP4709780A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0321915B2 (enrdf_load_stackoverflow
Inventor
Mitsuo Nakamura
Kazuo Kashiwagi
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 JP4709780A priority Critical patent/JPS56143467A/ja
Publication of JPS56143467A publication Critical patent/JPS56143467A/ja
Publication of JPH0321915B2 publication Critical patent/JPH0321915B2/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
JP4709780A 1980-04-10 1980-04-10 Copying apparatus Granted JPS56143467A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4709780A JPS56143467A (en) 1980-04-10 1980-04-10 Copying apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4709780A JPS56143467A (en) 1980-04-10 1980-04-10 Copying apparatus

Publications (2)

Publication Number Publication Date
JPS56143467A true JPS56143467A (en) 1981-11-09
JPH0321915B2 JPH0321915B2 (enrdf_load_stackoverflow) 1991-03-25

Family

ID=12765674

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4709780A Granted JPS56143467A (en) 1980-04-10 1980-04-10 Copying apparatus

Country Status (1)

Country Link
JP (1) JPS56143467A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59142572A (ja) * 1983-02-02 1984-08-15 Canon Inc 画像形成装置
JPS62249135A (ja) * 1986-04-22 1987-10-30 Canon Inc マイクロフイルムのネガポジ認識方法
US4708464A (en) * 1985-01-30 1987-11-24 Minolta Camera Kabushiki Kaisha Device for erasing unnecessary images for use in reader-printers

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4937539A (enrdf_load_stackoverflow) * 1972-08-09 1974-04-08

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4937539A (enrdf_load_stackoverflow) * 1972-08-09 1974-04-08

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59142572A (ja) * 1983-02-02 1984-08-15 Canon Inc 画像形成装置
US4708464A (en) * 1985-01-30 1987-11-24 Minolta Camera Kabushiki Kaisha Device for erasing unnecessary images for use in reader-printers
JPS62249135A (ja) * 1986-04-22 1987-10-30 Canon Inc マイクロフイルムのネガポジ認識方法

Also Published As

Publication number Publication date
JPH0321915B2 (enrdf_load_stackoverflow) 1991-03-25

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