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Publication of HU169751BpublicationCriticalpatent/HU169751B/hu
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
G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
G03B27/52—Details
G03B27/62—Holders for the original
G03B27/6207—Holders for the original in copying cameras
G03B27/625—Apparatus which relate to the handling of originals, e.g. presence detectors, inverters
G03B27/6257—Arrangements for moving an original once or repeatedly to or through an exposure station