FR870438A - Method and device for printing subtractive polychrome images - Google Patents

Method and device for printing subtractive polychrome images

Info

Publication number
FR870438A
FR870438A FR870438DA FR870438A FR 870438 A FR870438 A FR 870438A FR 870438D A FR870438D A FR 870438DA FR 870438 A FR870438 A FR 870438A
Authority
FR
France
Prior art keywords
subtractive
printing
polychrome images
polychrome
images
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)
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR870438A publication Critical patent/FR870438A/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
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
    • G03B27/73—Controlling exposure by variation of spectral composition, e.g. multicolor printers
    • 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
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
FR870438D 1939-05-07 1941-02-27 Method and device for printing subtractive polychrome images Expired FR870438A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI64525D DE743807C (en) 1939-05-07 1939-05-07 Color filter arrangement for regulating the copy light when copying multicolor images

Publications (1)

Publication Number Publication Date
FR870438A true FR870438A (en) 1942-03-11

Family

ID=7196145

Family Applications (1)

Application Number Title Priority Date Filing Date
FR870438D Expired FR870438A (en) 1939-05-07 1941-02-27 Method and device for printing subtractive polychrome images

Country Status (4)

Country Link
CH (1) CH217259A (en)
DE (1) DE743807C (en)
DK (2) DK60240C (en)
FR (1) FR870438A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE927189C (en) * 1952-02-01 1955-05-02 Agfa Camera Werk Ag Methods and apparatus for compensating for color distortions when copying multicolor images
DE1077965B (en) * 1956-11-02 1960-03-17 Meopta Narodni Podnik Device for regulating the light when copying or enlarging multicolor images

Also Published As

Publication number Publication date
DE743807C (en) 1944-06-21
DK60240C (en) 1942-10-12
CH217259A (en) 1941-10-15
DK60259C (en) 1942-10-19

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