Virtual drum imagesetter

Details Virtual drum imagesetter Virtual drum imagesetter

1994-09-23

1996-12-31

Blankenship, Howard B.

Photography

Line generation

355 47, G03B 4100

Patent

active

055899005

ABSTRACT:
An imagesetter of the "internal drum" type for producing an image on a flexible section of photosensitive material. The section of material has a first end, an opposite second end and substantially parallel side edges extending between the first and second ends and delimiting between them the image area of the section. The imagesetter retains the section of material in a substantially cylindrical configuration in such a way as to provide physical contact with the section along the edges and on opposite sides of the line of scan. The scanning mechanism comprises a reflector, arranged to rotate about the central cylindrical axis, for deflecting an axial beam radially outward to the image area.

REFERENCES:
patent: 3025778 (1962-03-01), Stuckens
patent: 3875587 (1975-04-01), Pugsley
patent: 4334770 (1982-06-01), Landsman
patent: 4698647 (1987-10-01), Gerlach
patent: 4853709 (1989-08-01), Stein et al.

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