Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1982-08-16
1985-04-16
Richardson, Robert L.
Facsimile and static presentation processing
Facsimile
Recording apparatus
358345, 369121, 369125, 346107R, 346110R, 354 76, 355 20, G03B 2770, H04N 576
Patent
active
045119252
ABSTRACT:
A method and apparatus for producing a high intensity, ultraviolet, electronic video image is provided. The apparatus includes an electronic video imaging tube for printing on vesicular microfilm, diazo microfilm, and diazo paper and the like. The tube is constructed of a housing having an interior with an electron gun emitting a scanning electron beam across a path which intersects the interior of the housing. A phosphor target of ultraviolet phosphor is disposed within the housing interior and is positioned upon the path for reflecting therefrom a high intensity, ultraviolet video image. The phosphor target is preferably convex, and concentric with a curved surface portion of the housing. The curved surface portion of the housing reflects the high intensity, ultraviolet video image from the interior of the housing to the exterior portion thereof. A reduction lens assembly can be provided for diverging or converging the image as desired.
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Garvey Charles C.
Richardson Robert L.
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