FR1115917A - Application of document illumination by vuc discharge tube to obtain a cliché capable of being reproduced by photo-mechanics - Google Patents

Application of document illumination by vuc discharge tube to obtain a cliché capable of being reproduced by photo-mechanics

Info

Publication number
FR1115917A
FR1115917A FR1115917DA FR1115917A FR 1115917 A FR1115917 A FR 1115917A FR 1115917D A FR1115917D A FR 1115917DA FR 1115917 A FR1115917 A FR 1115917A
Authority
FR
France
Prior art keywords
vuc
cliché
mechanics
reproduced
photo
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
Application number
Other languages
French (fr)
Inventor
Remy-Jean Chevalier
Jean-Theophile Garreau
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 filed Critical
Application granted granted Critical
Publication of FR1115917A publication Critical patent/FR1115917A/en
Expired 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)
FR1115917D 1954-04-26 1954-04-26 Application of document illumination by vuc discharge tube to obtain a cliché capable of being reproduced by photo-mechanics Expired FR1115917A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1115917T 1954-04-26

Publications (1)

Publication Number Publication Date
FR1115917A true FR1115917A (en) 1956-05-02

Family

ID=9629208

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1115917D Expired FR1115917A (en) 1954-04-26 1954-04-26 Application of document illumination by vuc discharge tube to obtain a cliché capable of being reproduced by photo-mechanics

Country Status (1)

Country Link
FR (1) FR1115917A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2479996A1 (en) * 1980-04-02 1981-10-09 Chamoux Jean Pierre AUTHENTICABLE REPRODUCTION DEVICE OF ORIGINAL BASE DOCUMENT

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2479996A1 (en) * 1980-04-02 1981-10-09 Chamoux Jean Pierre AUTHENTICABLE REPRODUCTION DEVICE OF ORIGINAL BASE DOCUMENT
EP0037316B1 (en) * 1980-04-02 1984-09-12 Jean-Pierre Chamoux Copying machine for authentication of an original

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