Illuminating scanner lid for an optical scanner

Details Illuminating scanner lid for an optical scanner Illuminating scanner lid for an optical scanner

1993-12-22

1995-07-04

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

358471, G01J 132

Patent

active

054302897

ABSTRACT:
An apparatus providing the capability to scan transmissive media is presented. The apparatus comprises an illuminating lid for an optical scanner. The lid is hingeably attached to the base of the scanner and provides a backlight for transmissive media. A light source, located within the lid, projects light through a translucent screen, through an X-ray for example, onto photodetector arrays located within the base of the scanner. Control means are provided to maintain the light intensity of the light source located within the lid so that a flat light profile is provided during the scan.

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