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US 4,027,962 AGranted
Color transparency reproducing machine
AssigneeXerox Corporation
InventorLouis D. Mailloux
Life of this patent
Estimating the term…
Abstract
An electrophotographic printing machine in which color transparencies are reproduced. A projected image of the color transparency is scanned forming a light image thereof. The light image is modulated and filtered creating a single color half-tone light image. A charged photoconductive member is irradiated by the single color half-tone light image recording a single color electrostatic latent image thereon.
Claims11
An electrophotographic printing machine for reproducing a transparency, including:
- a photoconductive member;
- means for charging at least a portion of said photoconductive member;
- a composition frame;
- a platen having said composition frame disposed thereon;
- means for projecting a light image of the transparency onto said platen;
- a screen member disposed on said platen for modulating the light image of the transparency projected onto said platen to form a half-tone light image thereof;
- and
- means for exposing the charged portion of said photoconductive member to a light image of said composition frame and the half-tone light image of the transparency to record on said photoconductive member a combined electrostatic latent image comprising the electrostatic latent half-tone image of the transparency and the electrostatic latent image of said composition frame.
5 more elements
Dependencies are inferred from the claim text.