Film mounting mechanism for image scanner apparatus of the drum

Details Film mounting mechanism for image scanner apparatus of the drum Film mounting mechanism for image scanner apparatus of the drum

1989-05-30

1990-10-16

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358487, H04N 104

Patent

active

049639978

ABSTRACT:
Image scanner apparatus of the drum type includes a hollow, rotatable drum having an aperture on its curved surface corresponding to the size of an image to be scanned, and a light source, disposed inside the drum between its surface of revolution and its axis of rotation, for projecting image-scanning light through the aperture of the drum. A mechanism mounts a flexible image-bearing film immediately adjacent the drum, in a curved plane substantially parallel with the curved surface of the drum and in registration with the aperture on its curved surface, such that a film image to be scanned is free of drum support.

REFERENCES:
patent: 941046 (1909-10-01), Pugatsky et al.
patent: 2903510 (1959-09-01), Elliott
patent: 4398796 (1983-08-01), Akaura et al.
patent: 4440491 (1984-04-01), Takahama

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