JPS533218A - Diaphragm device for variable magnification copier of slit exposure type - Google Patents

Diaphragm device for variable magnification copier of slit exposure type

Info

Publication number
JPS533218A
JPS533218A JP7685976A JP7685976A JPS533218A JP S533218 A JPS533218 A JP S533218A JP 7685976 A JP7685976 A JP 7685976A JP 7685976 A JP7685976 A JP 7685976A JP S533218 A JPS533218 A JP S533218A
Authority
JP
Japan
Prior art keywords
variable magnification
diaphragm device
exposure type
slit exposure
copier
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
JP7685976A
Other languages
Japanese (ja)
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 JP7685976A priority Critical patent/JPS533218A/en
Publication of JPS533218A publication Critical patent/JPS533218A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To maintain an exposure light amount to be constant by changing the slit width while interlocked with the change action between correct image copy of the exposure optical system and mirror image copy of the same system and variable magnification action.
COPYRIGHT: (C)1978,JPO&Japio
JP7685976A 1976-06-29 1976-06-29 Diaphragm device for variable magnification copier of slit exposure type Pending JPS533218A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7685976A JPS533218A (en) 1976-06-29 1976-06-29 Diaphragm device for variable magnification copier of slit exposure type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7685976A JPS533218A (en) 1976-06-29 1976-06-29 Diaphragm device for variable magnification copier of slit exposure type

Publications (1)

Publication Number Publication Date
JPS533218A true JPS533218A (en) 1978-01-12

Family

ID=13617365

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7685976A Pending JPS533218A (en) 1976-06-29 1976-06-29 Diaphragm device for variable magnification copier of slit exposure type

Country Status (1)

Country Link
JP (1) JPS533218A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56104553A (en) * 1980-01-25 1981-08-20 Hitachi Ltd Multiprocessing device for satellite picture receiving data
JPS6380371A (en) * 1986-09-24 1988-04-11 Daikin Ind Ltd Coordinate transforming device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56104553A (en) * 1980-01-25 1981-08-20 Hitachi Ltd Multiprocessing device for satellite picture receiving data
JPS6380371A (en) * 1986-09-24 1988-04-11 Daikin Ind Ltd Coordinate transforming device

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