JPH05708B2 - - Google Patents

Info

Publication number
JPH05708B2
JPH05708B2 JP58076494A JP7649483A JPH05708B2 JP H05708 B2 JPH05708 B2 JP H05708B2 JP 58076494 A JP58076494 A JP 58076494A JP 7649483 A JP7649483 A JP 7649483A JP H05708 B2 JPH05708 B2 JP H05708B2
Authority
JP
Japan
Prior art keywords
exposure
imaging lens
light source
blackening
photoreceptor
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.)
Expired - Lifetime
Application number
JP58076494A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59201038A (ja
Inventor
Yukio Takemura
Hideaki Yano
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 JP7649483A priority Critical patent/JPS59201038A/ja
Publication of JPS59201038A publication Critical patent/JPS59201038A/ja
Publication of JPH05708B2 publication Critical patent/JPH05708B2/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)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
JP7649483A 1983-04-30 1983-04-30 可変倍複写装置 Granted JPS59201038A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7649483A JPS59201038A (ja) 1983-04-30 1983-04-30 可変倍複写装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7649483A JPS59201038A (ja) 1983-04-30 1983-04-30 可変倍複写装置

Publications (2)

Publication Number Publication Date
JPS59201038A JPS59201038A (ja) 1984-11-14
JPH05708B2 true JPH05708B2 (US07179912-20070220-C00144.png) 1993-01-06

Family

ID=13606768

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7649483A Granted JPS59201038A (ja) 1983-04-30 1983-04-30 可変倍複写装置

Country Status (1)

Country Link
JP (1) JPS59201038A (US07179912-20070220-C00144.png)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8403079A (nl) * 1984-10-10 1986-05-01 Oce Nederland Bv Inrichting voor het belichten van een randzone van een fotogeleidend element.
JPS6247666A (ja) * 1985-08-28 1987-03-02 Canon Inc 電子写真複写機の白枠形成装置
JPH0731248Y2 (ja) * 1987-02-23 1995-07-19 キヤノン株式会社 画像形成装置
US4906840A (en) * 1988-01-27 1990-03-06 The Board Of Trustees Of Leland Stanford Jr., University Integrated scanning tunneling microscope

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49123042A (US07179912-20070220-C00144.png) * 1973-03-27 1974-11-25
JPS5666879A (en) * 1979-11-02 1981-06-05 Ricoh Co Ltd Magnification variable copying machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49123042A (US07179912-20070220-C00144.png) * 1973-03-27 1974-11-25
JPS5666879A (en) * 1979-11-02 1981-06-05 Ricoh Co Ltd Magnification variable copying machine

Also Published As

Publication number Publication date
JPS59201038A (ja) 1984-11-14

Similar Documents

Publication Publication Date Title
SU727166A3 (ru) Электрофотографический копировальный аппарат
JPH05708B2 (US07179912-20070220-C00144.png)
GB2076981A (en) Copying apparatus and method of producing at least one copy of an original document
US4334763A (en) Electrophotographic copying apparatus
JPH05707B2 (US07179912-20070220-C00144.png)
JPS59228680A (ja) 電子写真複写機
JP3437420B2 (ja) 画像読取装置
JPS58208767A (ja) 複写装置
JPS634557U (US07179912-20070220-C00144.png)
JPS6151187A (ja) 電子写真装置
JPS5915929A (ja) 露光光学装置
JPS59152465A (ja) 変倍複写装置
JPS58179855A (ja) 電子写真複写機の画像濃度制御におけるパタ−ン作像方法
JPS609792Y2 (ja) 画像形成装置
JPH04225377A (ja) 複写機
JPH02201468A (ja) 縦横両方向のアナモフィック拡大／縮小能力を有する像形成装置
JPS61209426A (ja) リ−ダ−プリンタ−
JPS5824167A (ja) 光学走査露光装置
JPS6330838A (ja) 原稿露光装置
JPS58111070A (ja) 電子写真方法
JPS6022124A (ja) 静電電子写真複写機
JPS6095528A (ja) 照明装置
JPH0538653U (ja) 変倍式複写機の感光体非画像部自動除電装置
JPH01116629A (ja) 変倍光学系
JPS62288868A (ja) 画像形成装置の黒消し装置