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Uhertype A G
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Uhertype A G
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Application filed by Uhertype A GfiledCriticalUhertype A G
Application grantedgrantedCritical
Publication of FR761227ApublicationCriticalpatent/FR761227A/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
G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
G03B27/34—Means for automatic focusing therefor
G03B27/36—Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR761227D1933-07-011933-07-01Dispositif de réglage de l'échelle de reproduction dans les appareils de reproduction photographique
ExpiredFR761227A
(fr)