Lighting system having partially overlapping light sources for a

Details Lighting system having partially overlapping light sources for a Lighting system having partially overlapping light sources for a

1997-06-04

1999-09-28

Coles, Edward L.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358474, H04N 104

Patent

active

059597461

ABSTRACT:
The present invention relates to a lighting system for a scanning device, emitting light for illuminating a longitudinally extended scanned area, with the light being reflected from the scanned area, travelling along a light path and reaching a detector, the lighting system comprising: at least two illuminating tubes, parallel to the scanned area, longitudinally covering the scanned area, while overlapping each other longitudinally, and being placed on different sides of the light path, such that the scanned area is completely illuminated; and at least two supports, each of the supports accommodating one of the illuminating tubes; wherein the illuminating tubes have small lengths and diameters, allowing for a compact setup, yet the scanned area is illuminated completely, such that a complete image of the scanned area is transmitted to the detector.

REFERENCES:
patent: 5357412 (1994-10-01), Entrop et al.
patent: 5564818 (1996-10-01), Grossman et al.
patent: 5751447 (1998-05-01), Brook et al.

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