Optical image scanning device with fluorescent layer as back...

Details Optical image scanning device with fluorescent layer as back... Optical image scanning device with fluorescent layer as back...

2006-06-06

2006-06-06

Coles, Edward (Department: 2627)

Facsimile and static presentation processing

Facsimile

Picture signal generator

C358S474000, C358S497000, C358S487000, C358S506000, C362S030000, C355S067000, C399S380000

Reexamination Certificate

active

07057777

ABSTRACT:
An optical image scanning device includes a casing having a document supporting plate and a top cover. The top cover has an underside surface coated with a fluorescent material thereon. An optic module includes a light source for projecting an exciting light onto the fluorescent layer whereby the fluorescent material is excited by the exciting light to emit a scanning light. The scanning light transmits through a light-transmittable document and projects an image of the document onto reflective mirrors for guiding the scanning light through a focusing lens. The focusing lens focuses the light onto a image sensing device. A reflective type light source is selectively arranged in the optic module for selectively projecting a light onto a document formed on a non-transmissive medium that is positioned on the document supporting plate.

REFERENCES:
patent: 5128846 (1992-07-01), Mills et al.

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