JPH0255787B2 - - Google Patents

Info

Publication number
JPH0255787B2
JPH0255787B2 JP55029801A JP2980180A JPH0255787B2 JP H0255787 B2 JPH0255787 B2 JP H0255787B2 JP 55029801 A JP55029801 A JP 55029801A JP 2980180 A JP2980180 A JP 2980180A JP H0255787 B2 JPH0255787 B2 JP H0255787B2
Authority
JP
Japan
Prior art keywords
light
reflecting mirror
reflector
specular
elliptical
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.)
Expired - Lifetime
Application number
JP55029801A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56126863A (en
Inventor
Masami Emoto
Mitsuki Sagane
Junichi Kitabayashi
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 JP2980180A priority Critical patent/JPS56126863A/ja
Publication of JPS56126863A publication Critical patent/JPS56126863A/ja
Publication of JPH0255787B2 publication Critical patent/JPH0255787B2/ja
Granted 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
    • G03B27/54—Lamp housings; Illuminating means
    • G03B27/542—Lamp housings; Illuminating means for copying cameras, reflex exposure lighting

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
JP2980180A 1980-03-11 1980-03-11 Lighting equipment of copying machine Granted JPS56126863A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2980180A JPS56126863A (en) 1980-03-11 1980-03-11 Lighting equipment of copying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2980180A JPS56126863A (en) 1980-03-11 1980-03-11 Lighting equipment of copying machine

Publications (2)

Publication Number Publication Date
JPS56126863A JPS56126863A (en) 1981-10-05
JPH0255787B2 true JPH0255787B2 (US20030199744A1-20031023-C00003.png) 1990-11-28

Family

ID=12286105

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2980180A Granted JPS56126863A (en) 1980-03-11 1980-03-11 Lighting equipment of copying machine

Country Status (1)

Country Link
JP (1) JPS56126863A (US20030199744A1-20031023-C00003.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7652804B2 (en) 2005-07-15 2010-01-26 Ricoh Company, Ltd. Image forming apparatus capable of efficiently controlling light radiation to read an image

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5244645A (en) * 1975-10-06 1977-04-07 Ibm Illuminator
JPS52126241A (en) * 1976-04-15 1977-10-22 Ricoh Co Ltd Slit illumination device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5244645A (en) * 1975-10-06 1977-04-07 Ibm Illuminator
JPS52126241A (en) * 1976-04-15 1977-10-22 Ricoh Co Ltd Slit illumination device

Also Published As

Publication number Publication date
JPS56126863A (en) 1981-10-05

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