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PAPER REFLECTIVITY MEASURING DEVICE

IP.com Disclosure Number: IPCOM000023169D
Original Publication Date: 1976-Dec-31
Included in the Prior Art Database: 2004-Mar-27

Publishing Venue

Xerox Disclosure Journal

Abstract

A bifureated light pipe 10 is mounted in a hold 12 which is disposed on a copy sheet. Light rays are transmitted through light pipe 10 and the output therefrom detected and compared to a similar measurement made on the original