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A way to improve starting characteristics and to extend the life of fluorescent lamp of the feed-through type optical scanner, which produces black surroundings image

IP.com Disclosure Number: IPCOM000013182D
Original Publication Date: 2000-Aug-01
Included in the Prior Art Database: 2003-Jun-17

Publishing Venue

IBM

Abstract

Disclosed is a means to improve starting characteristics and to extend the life of lighting source of the feed-through type optical scanner, which produces black surroundings image. By making the reflectance of the sight when document is not present