Document illuminator with LED-driven phosphor

Details Document illuminator with LED-driven phosphor Document illuminator with LED-driven phosphor

2011-01-04

2011-01-04

Worku, Negussie (Department: 2625)

Facsimile and static presentation processing

Facsimile

Picture signal generator

C358S487000, C358S509000, C358S475000

Reexamination Certificate

active

07864381

ABSTRACT:
A scanning apparatus includes an illuminator for illuminating a portion of a document to be scanned. The illuminator includes at least one light source and an optical element positioned to redirect light emitted by the light source. A phosphor material is disposed to intercept at least a portion of the light redirected by the optical element. A photosensitive device is positioned to receive light reflected from the document for recording an image of the document.

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