JPS59201038A - 可変倍複写装置 - Google Patents

可変倍複写装置

Info

Publication number
JPS59201038A
JPS59201038A JP7649483A JP7649483A JPS59201038A JP S59201038 A JPS59201038 A JP S59201038A JP 7649483 A JP7649483 A JP 7649483A JP 7649483 A JP7649483 A JP 7649483A JP S59201038 A JPS59201038 A JP S59201038A
Authority
JP
Japan
Prior art keywords
exposure
light source
black
imaging lens
copying
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
JP7649483A
Other languages
English (en)
Japanese (ja)
Other versions
JPH05708B2 (US07179912-20070220-C00144.png
Inventor
Yukio Takemura
竹村　幸男
Hideaki Yano
秀明 矢野
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 true JPS59201038A (ja) 1984-11-14
JPH05708B2 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)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6191645A (ja) * 1984-10-10 1986-05-09 オセ‐ネーデルランド・ベー・ヴエー 光導電素子の縁部領域を露光する装置
JPS6247666A (ja) * 1985-08-28 1987-03-02 Canon Inc 電子写真複写機の白枠形成装置
JPS63132961U (US07179912-20070220-C00144.png) * 1987-02-23 1988-08-31
US5129132A (en) * 1988-01-27 1992-07-14 Board Of Trustees Of The Leland Stanford Jr., University Method of making an 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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6191645A (ja) * 1984-10-10 1986-05-09 オセ‐ネーデルランド・ベー・ヴエー 光導電素子の縁部領域を露光する装置
JPS6247666A (ja) * 1985-08-28 1987-03-02 Canon Inc 電子写真複写機の白枠形成装置
JPS63132961U (US07179912-20070220-C00144.png) * 1987-02-23 1988-08-31
US5129132A (en) * 1988-01-27 1992-07-14 Board Of Trustees Of The Leland Stanford Jr., University Method of making an integrated scanning tunneling microscope

Also Published As

Publication number Publication date
JPH05708B2 (US07179912-20070220-C00144.png) 1993-01-06

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