Dismiss
The InnovationQ application will be updated on Sunday, May 31st from 10am-noon ET. You may experience brief service interruptions during that time.
Browse Prior Art Database

AUTOMATIC TONER CONCENTRATION CONTROL

IP.com Disclosure Number: IPCOM000025659D
Original Publication Date: 1987-Feb-28
Included in the Prior Art Database: 2004-Apr-04

Publishing Venue

Xerox Disclosure Journal

Abstract

Automatic Developer Control Systems suffer from several shortcomings. They often use D.C. signals which are subject to drift, there are significant phase lags around the control loop, sensor response is usually non-linear and dirt build up can be a problem for systems that use optical detection.