DE310979C - - Google Patents

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Publication number
DE310979C
DE310979C DENDAT310979D DE310979DA DE310979C DE 310979 C DE310979 C DE 310979C DE NDAT310979 D DENDAT310979 D DE NDAT310979D DE 310979D A DE310979D A DE 310979DA DE 310979 C DE310979 C DE 310979C
Authority
DE
Germany
Prior art keywords
vignette
areas
copying
tone
foreground
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.)
Active
Application number
DENDAT310979D
Other languages
German (de)
English (en)
Publication of DE310979C publication Critical patent/DE310979C/de
Active 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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/02—Sensitometric processes, e.g. determining sensitivity, colour sensitivity, gradation, graininess, density; Making sensitometric wedges

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
DENDAT310979D Active DE310979C (OSRAM)

Publications (1)

Publication Number Publication Date
DE310979C true DE310979C (OSRAM)

Family

ID=563994

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT310979D Active DE310979C (OSRAM)

Country Status (1)

Country Link
DE (1) DE310979C (OSRAM)

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