JPS57155554A - Electrophotographic copying apparatus - Google Patents

Electrophotographic copying apparatus

Info

Publication number
JPS57155554A
JPS57155554A JP56039639A JP3963981A JPS57155554A JP S57155554 A JPS57155554 A JP S57155554A JP 56039639 A JP56039639 A JP 56039639A JP 3963981 A JP3963981 A JP 3963981A JP S57155554 A JPS57155554 A JP S57155554A
Authority
JP
Japan
Prior art keywords
optical system
rotation
drum
optical
scale
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.)
Pending
Application number
JP56039639A
Other languages
English (en)
Inventor
Junpei Inagaki
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.)
Shibaura Mechatronics Corp
Original Assignee
Shibaura Engineering Works 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 Shibaura Engineering Works Co Ltd filed Critical Shibaura Engineering Works Co Ltd
Priority to JP56039639A priority Critical patent/JPS57155554A/ja
Publication of JPS57155554A publication Critical patent/JPS57155554A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/522—Projection optics
    • G03B27/525—Projection optics for slit exposure
    • G03B27/526—Projection optics for slit exposure in which the projection optics move

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
JP56039639A 1981-03-20 1981-03-20 Electrophotographic copying apparatus Pending JPS57155554A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56039639A JPS57155554A (en) 1981-03-20 1981-03-20 Electrophotographic copying apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56039639A JPS57155554A (en) 1981-03-20 1981-03-20 Electrophotographic copying apparatus

Publications (1)

Publication Number Publication Date
JPS57155554A true JPS57155554A (en) 1982-09-25

Family

ID=12558656

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56039639A Pending JPS57155554A (en) 1981-03-20 1981-03-20 Electrophotographic copying apparatus

Country Status (1)

Country Link
JP (1) JPS57155554A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63120259U (ja) * 1987-01-27 1988-08-03

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54133139A (en) * 1978-04-05 1979-10-16 Canon Inc Copying machine
JPS5541427A (en) * 1978-09-18 1980-03-24 Canon Inc Copying and recording apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54133139A (en) * 1978-04-05 1979-10-16 Canon Inc Copying machine
JPS5541427A (en) * 1978-09-18 1980-03-24 Canon Inc Copying and recording apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63120259U (ja) * 1987-01-27 1988-08-03

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