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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
Publication date
Priority to DEE36540DpriorityCriticalpatent/DE521686C/de
Application grantedgrantedCritical
Publication of DE521686CpublicationCriticalpatent/DE521686C/de
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
G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
G03B27/80—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus in dependence upon automatic analysis of the original
Landscapes
Physics & Mathematics
(AREA)
Spectroscopy & Molecular Physics
(AREA)
General Physics & Mathematics
(AREA)
Processing And Handling Of Plastics And Other Materials For Molding In General
(AREA)
Treatments Of Macromolecular Shaped Articles
(AREA)
Description
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Claims (1)
Patentanspruch:
Vorrichtung zur Durchführung des Verfahrens nach Patent 518 770, dadurch
gekennzeichnet, daß die Vorrichtung (11,
12, 13) zur Regelung des durchfallenden Lichtes in der Bahn des nach dem thermoelektrischen
Element (18) gelangenden Lichtes liegt.
Hierzu 1 Blatt Zeichnungen
DEE36540DVorrichtung zur ununterbrochenen Behandlung von Filmen, insbesondere zum Kopieren von Filmen
ExpiredDE521686C
(de)