BE768914A - Dispositif d'illumination de document - Google Patents

Dispositif d'illumination de document

Info

Publication number
BE768914A
BE768914A BE768914A BE768914A BE768914A BE 768914 A BE768914 A BE 768914A BE 768914 A BE768914 A BE 768914A BE 768914 A BE768914 A BE 768914A BE 768914 A BE768914 A BE 768914A
Authority
BE
Belgium
Prior art keywords
illumination device
document illumination
document
illumination
Prior art date
Application number
BE768914A
Other languages
English (en)
Inventor
E L Libby
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of BE768914A publication Critical patent/BE768914A/fr

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)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Facsimile Scanning Arrangements (AREA)
BE768914A 1970-06-23 1971-06-23 Dispositif d'illumination de document BE768914A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4896470A 1970-06-23 1970-06-23

Publications (1)

Publication Number Publication Date
BE768914A true BE768914A (fr) 1971-11-03

Family

ID=21957376

Family Applications (1)

Application Number Title Priority Date Filing Date
BE768914A BE768914A (fr) 1970-06-23 1971-06-23 Dispositif d'illumination de document

Country Status (5)

Country Link
BE (1) BE768914A (fr)
DE (1) DE2129791A1 (fr)
ES (1) ES392537A1 (fr)
FR (1) FR2099191A5 (fr)
NL (1) NL7108238A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4428914A (en) 1977-12-23 1984-01-31 Interox Process for making sodium percarbonate granules
DE3062716D1 (en) * 1979-06-21 1983-05-19 Ibm Electrophotographic copier with variable original document to image size ratio

Also Published As

Publication number Publication date
DE2129791A1 (de) 1971-12-30
ES392537A1 (es) 1973-10-01
FR2099191A5 (fr) 1972-03-10
NL7108238A (fr) 1971-12-27

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