JPS52147424A - Diaphragm device for the copier of variable magnification slit exposure type - Google Patents

Diaphragm device for the copier of variable magnification slit exposure type

Info

Publication number
JPS52147424A
JPS52147424A JP6431976A JP6431976A JPS52147424A JP S52147424 A JPS52147424 A JP S52147424A JP 6431976 A JP6431976 A JP 6431976A JP 6431976 A JP6431976 A JP 6431976A JP S52147424 A JPS52147424 A JP S52147424A
Authority
JP
Japan
Prior art keywords
variable magnification
copier
diaphragm device
exposure type
slit exposure
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
JP6431976A
Other languages
Japanese (ja)
Other versions
JPS5991B2 (en
Inventor
Toyokazu Satomi
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP6431976A priority Critical patent/JPS5991B2/en
Publication of JPS52147424A publication Critical patent/JPS52147424A/en
Priority to US06/108,187 priority patent/US4279497A/en
Publication of JPS5991B2 publication Critical patent/JPS5991B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Control Of Exposure In Printing And Copying (AREA)

Abstract

PURPOSE: To set a desired diaphragm rate by a single dial in the electrocopier by shifting an aperture while being interlocked with the shift means of an optical system for the variable magnification.
COPYRIGHT: (C)1977,JPO&Japio
JP6431976A 1976-05-18 1976-06-02 Aperture device of variable magnification slit exposure type copying machine Expired JPS5991B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP6431976A JPS5991B2 (en) 1976-06-02 1976-06-02 Aperture device of variable magnification slit exposure type copying machine
US06/108,187 US4279497A (en) 1976-05-18 1979-12-27 Electrostatic copying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6431976A JPS5991B2 (en) 1976-06-02 1976-06-02 Aperture device of variable magnification slit exposure type copying machine

Publications (2)

Publication Number Publication Date
JPS52147424A true JPS52147424A (en) 1977-12-07
JPS5991B2 JPS5991B2 (en) 1984-01-05

Family

ID=13254785

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6431976A Expired JPS5991B2 (en) 1976-05-18 1976-06-02 Aperture device of variable magnification slit exposure type copying machine

Country Status (1)

Country Link
JP (1) JPS5991B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4284346A (en) * 1978-04-15 1981-08-18 Minolta Camera Kabushiki Kaisha Electrophotographic copying machine
JPS57173861A (en) * 1981-04-21 1982-10-26 Fuji Xerox Co Ltd Lens moving device of copier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4284346A (en) * 1978-04-15 1981-08-18 Minolta Camera Kabushiki Kaisha Electrophotographic copying machine
JPS57173861A (en) * 1981-04-21 1982-10-26 Fuji Xerox Co Ltd Lens moving device of copier

Also Published As

Publication number Publication date
JPS5991B2 (en) 1984-01-05

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