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.)
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Zeiss Ikon AG
Original Assignee
Zeiss Ikon AG
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Filing date
Publication date
Application filed by Zeiss Ikon AGfiledCriticalZeiss Ikon AG
Application grantedgrantedCritical
Publication of FR901848ApublicationCriticalpatent/FR901848A/fr
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
G03B27/02—Exposure apparatus for contact printing
G03B27/14—Details
G03B27/16—Illumination arrangements, e.g. positioning of lamps, positioning of reflectors
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR901848D1943-03-081944-02-09Procédé et dispositif de reproduction de dessins, plans, etc., par la photographie
ExpiredFR901848A
(fr)