JPS52117135A - Electrophotographic copier - Google Patents

Electrophotographic copier

Info

Publication number
JPS52117135A
JPS52117135A JP3320376A JP3320376A JPS52117135A JP S52117135 A JPS52117135 A JP S52117135A JP 3320376 A JP3320376 A JP 3320376A JP 3320376 A JP3320376 A JP 3320376A JP S52117135 A JPS52117135 A JP S52117135A
Authority
JP
Japan
Prior art keywords
electrophotographic copier
multiplication
copy
exposure
enable
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
JP3320376A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5611147B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Norio Misawa
Ryoji Saruwatari
Fumio Tamagawa
Osao Ikeda
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP3320376A priority Critical patent/JPS52117135A/ja
Priority to US05/780,645 priority patent/US4101218A/en
Publication of JPS52117135A publication Critical patent/JPS52117135A/ja
Publication of JPS5611147B2 publication Critical patent/JPS5611147B2/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
    • G03G15/041—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 variable magnification

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Control Or Security For Electrophotography (AREA)
JP3320376A 1976-03-26 1976-03-26 Electrophotographic copier Granted JPS52117135A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP3320376A JPS52117135A (en) 1976-03-26 1976-03-26 Electrophotographic copier
US05/780,645 US4101218A (en) 1976-03-26 1977-03-23 Electronic copying apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3320376A JPS52117135A (en) 1976-03-26 1976-03-26 Electrophotographic copier

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP57000379A Division JPS57132162A (en) 1982-01-06 1982-01-06 Copying machine

Publications (2)

Publication Number Publication Date
JPS52117135A true JPS52117135A (en) 1977-10-01
JPS5611147B2 JPS5611147B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1981-03-12

Family

ID=12379902

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3320376A Granted JPS52117135A (en) 1976-03-26 1976-03-26 Electrophotographic copier

Country Status (2)

Country Link
US (1) US4101218A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS52117135A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54143629A (en) * 1978-04-28 1979-11-09 Canon Inc Copying apparatus having opticlal system for high speed copying
US4330201A (en) * 1980-07-07 1982-05-18 Walker Gary B Scanner drive clutch
US4336995A (en) * 1980-09-24 1982-06-29 Xerox Corporation Precession scanning system for copier device
JPS6175357U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1984-10-23 1986-05-21
US5030994A (en) * 1989-11-16 1991-07-09 Toshiba America Information Systems, Inc. Electrophotographic apparatus with multiple speed mode

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3637303A (en) * 1968-06-21 1972-01-25 Canon Kk Electrophotographic copying machine having movable slit-exposure station
DE1936169A1 (de) * 1969-07-16 1971-02-11 Ece Gmbh Fotokopiergeraet
US3841753A (en) * 1971-08-02 1974-10-15 Minolta Camera Kk Scanning system
JPS536527B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-12-07 1978-03-09
US4027963A (en) * 1975-06-20 1977-06-07 Xerox Corporation Multi-mode reproducing apparatus

Also Published As

Publication number Publication date
JPS5611147B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1981-03-12
US4101218A (en) 1978-07-18

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