PRECESSION SCANNING FOR ELECTRONIC DOCUMENT INPUT
Original Publication Date: 1992-Dec-31
Included in the Prior Art Database: 2004-Apr-06
Xerox Disclosure Journal
has a maximum document scanning speed o B 15 ips. In order to increase VR = VB - Vs Where VR is defined to be the desired scan speed. This requires that the instantaneous document speed VB be monitored by the scanhead carriage. The scanhead velocity Vs is then modulated according to this information such that VR remains constant. In this manner, the effective scan rate remains constant.