Patent classifications
G
PHYSICS
Load children
G03
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
Load children
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
Load children
27/00
Photographic printing apparatus
Load children Filter patents View analytics View as hierarchy
G03B27/72
Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
Load children Filter patents View analytics View as hierarchy
G03B27/80
in dependence upon automatic analysis of the original
Filter patents View analytics View as hierarchy