FR1195079A - Blue-green images hidden in color photography - Google Patents

Blue-green images hidden in color photography

Info

Publication number
FR1195079A
FR1195079A FR1195079DA FR1195079A FR 1195079 A FR1195079 A FR 1195079A FR 1195079D A FR1195079D A FR 1195079DA FR 1195079 A FR1195079 A FR 1195079A
Authority
FR
France
Prior art keywords
blue
color photography
green images
images hidden
hidden
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
Karl Loffler
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.)
Agfa Gevaert NV
Original Assignee
Agfa AG
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 Agfa AG filed Critical Agfa AG
Application granted granted Critical
Publication of FR1195079A publication Critical patent/FR1195079A/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
    • G03C7/18—Processes for the correction of the colour image in subtractive colour photography

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
FR1195079D 1957-04-26 1958-04-25 Blue-green images hidden in color photography Expired FR1195079A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA27031A DE1034022B (en) 1957-04-26 1957-04-26 Process for the production of red masks for the blue-green partial image in color photographic materials

Publications (1)

Publication Number Publication Date
FR1195079A true FR1195079A (en) 1959-11-13

Family

ID=6926308

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1195079D Expired FR1195079A (en) 1957-04-26 1958-04-25 Blue-green images hidden in color photography

Country Status (5)

Country Link
US (1) US3028237A (en)
BE (1) BE567154A (en)
CH (1) CH374892A (en)
DE (1) DE1034022B (en)
FR (1) FR1195079A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL246283A (en) * 1958-12-11
BE584330A (en) * 1959-11-05
NL295656A (en) * 1959-11-13
BE601938A (en) * 1960-03-29
GB1153561A (en) * 1966-01-18 1969-05-29 Agfa Gevaert Nv Improvements relating to the Producion of Colour Images

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2697662A (en) * 1951-07-24 1954-12-21 Du Pont Color correction processes
GB723171A (en) * 1952-10-11 1955-02-02 Ici Ltd Process for colour photography

Also Published As

Publication number Publication date
DE1034022B (en) 1958-07-10
BE567154A (en)
US3028237A (en) 1962-04-03
CH374892A (en) 1964-01-31

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