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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MICROFILM SERVICE
Original Assignee
MICROFILM SERVICE
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Filing date
Publication date
Application filed by MICROFILM SERVICEfiledCriticalMICROFILM SERVICE
Application grantedgrantedCritical
Publication of FR69293EpublicationCriticalpatent/FR69293E/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
G03B27/52—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
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR69293D1956-02-231956-02-23Appareil automatique de prise de vues pour microfilms en images calibrées
ExpiredFR69293E
(fr)