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US 4,557,591 AGranted
Photographic printing apparatus
AssigneeKonishiroku Photo Industry Co., Ltd.
InventorsMoriyoshi Serizawa, Haruo Hakamada
Life of this patent
Estimating the term…
Abstract
Disclosed herein is a photographic printing apparatus including at least one of image-rotating lenses 25 and 26 which enables the production of prints of the same size from photographic films both of full size and half size by a 45-degree rotation of said image-rotating lenses 25 and 26.
Claims7
In a photographic printing apparatus wherein full size and half size pictures on a negative film are introduced into a printing position and printed on substantially full size photographic papers, the improvement comprising
- a first image rotating lens for said full size pictures, said first lens having a first prism with a first reflecting surface,
- a second image rotating lens for said half size pictures, said second lens having a second prism with a second reflecting surface, and
- means for selectively positioning said first and second image rotating lenses into said printing position such that, when set in said printing position, said second image rotating lens is set so that it is displaced 45.degree. around its central axis relative to said first image rotating lens when said first lens is in said printing position, whereby half size printed images are rotated 90.degree. relative to said full size printed images.
Dependencies are inferred from the claim text.