JPS54118237A - Variable power optical device of copying machines and others - Google Patents

Variable power optical device of copying machines and others

Info

Publication number
JPS54118237A
JPS54118237A JP2524378A JP2524378A JPS54118237A JP S54118237 A JPS54118237 A JP S54118237A JP 2524378 A JP2524378 A JP 2524378A JP 2524378 A JP2524378 A JP 2524378A JP S54118237 A JPS54118237 A JP S54118237A
Authority
JP
Japan
Prior art keywords
mirror
original
luminous flux
scanning
alpha
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
JP2524378A
Other languages
English (en)
Inventor
Ryuzo Suzuki
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 JP2524378A priority Critical patent/JPS54118237A/ja
Publication of JPS54118237A publication Critical patent/JPS54118237A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Mechanical Optical Scanning Systems (AREA)
  • Lenses (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
JP2524378A 1978-03-06 1978-03-06 Variable power optical device of copying machines and others Pending JPS54118237A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2524378A JPS54118237A (en) 1978-03-06 1978-03-06 Variable power optical device of copying machines and others

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2524378A JPS54118237A (en) 1978-03-06 1978-03-06 Variable power optical device of copying machines and others

Publications (1)

Publication Number Publication Date
JPS54118237A true JPS54118237A (en) 1979-09-13

Family

ID=12160534

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2524378A Pending JPS54118237A (en) 1978-03-06 1978-03-06 Variable power optical device of copying machines and others

Country Status (1)

Country Link
JP (1) JPS54118237A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60205532A (ja) * 1984-03-30 1985-10-17 Fuji Xerox Co Ltd 複写機の光学系

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60205532A (ja) * 1984-03-30 1985-10-17 Fuji Xerox Co Ltd 複写機の光学系

Similar Documents

Publication Publication Date Title
DE8718010U1 (de) Steuersystem fuer eine variooptik einer kamera mit zentralverschluss
JPS56109364A (en) Picture forming device
JPS5246813A (en) Photographic optical system for observation for ophthalmofunduscopic c amera
JPS5768873A (en) Variable scale factor copying optical device which is capable of magnification and reduction
JPS54118237A (en) Variable power optical device of copying machines and others
JPS55142365A (en) Copying apparatus
JPS57181567A (en) Copying machine of continuously variable magnification
JPS5748754A (en) Copying device
JPS57197574A (en) Copying machine
JPS5485024A (en) Magnification changing device in copying machine and other
JPS5515119A (en) Original checking device
JPS5724967A (en) Scanning exposure type copying machine
US3545857A (en) Variable magnification exposure device for a reproduction apparatus
JPS5555364A (en) Slit exposure optical system in electrophotographic copying machine
JPS5567764A (en) Exposure device
JPS6442812A (en) Production lot number exposure device
JPS5786862A (en) Copying machine
JPS55126263A (en) Variable magnification optical device
JPS57185457A (en) Exposure lens of copying machine
JPS55126258A (en) Optical device of copying machine
JPS5517178A (en) Scanning type exposure device
JPS54155052A (en) Variable power optical system for scan exposure type copying machine
JPS5687066A (en) Lighting device
JPS5768872A (en) Variable scale factor copying device
JPS5695269A (en) Scanning exposure device