Mechanical aperture for controlling illumination level

In an illumination system for a film telecine scanner of the type adapted to provide a line of illumination on the image frames of a film which is supported for movement in a film gate of the scanner and comprising a light source which is adapted to provide a generally circular light beam in an opti...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SANDOR RICHARD J C O EASTMAN K, DEWOLF RAYMOND L C O EASTMAN K, NIERTIT THOMAS C O EASTMAN KOD, MCKAY JAMES D C O EASTMAN KODA
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
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