FR977021A - Improvements to the processes and means used for the reproduction or copying of photographs taken on "embossed film" - Google Patents

Improvements to the processes and means used for the reproduction or copying of photographs taken on "embossed film"

Info

Publication number
FR977021A
FR977021A FR977021DA FR977021A FR 977021 A FR977021 A FR 977021A FR 977021D A FR977021D A FR 977021DA FR 977021 A FR977021 A FR 977021A
Authority
FR
France
Prior art keywords
copying
reproduction
processes
means used
photographs taken
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
Alphonse-Jacques Bourdereau
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 FR977021A publication Critical patent/FR977021A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/14—Additive processes using lenticular screens; Materials therefor; Preparing or processing such materials

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR977021D 1942-06-08 1942-06-08 Improvements to the processes and means used for the reproduction or copying of photographs taken on "embossed film" Expired FR977021A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR977021T 1942-06-08

Publications (1)

Publication Number Publication Date
FR977021A true FR977021A (en) 1951-03-27

Family

ID=9519323

Family Applications (1)

Application Number Title Priority Date Filing Date
FR977021D Expired FR977021A (en) 1942-06-08 1942-06-08 Improvements to the processes and means used for the reproduction or copying of photographs taken on "embossed film"

Country Status (1)

Country Link
FR (1) FR977021A (en)

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