Browse Prior Art Database

HALFTONING AT LOW SCAN RATES

IP.com Disclosure Number: IPCOM000024227D
Original Publication Date: 1979-Oct-31
Included in the Prior Art Database: 2004-Apr-02

Publishing Venue

Xerox Disclosure Journal

Abstract

At low scan rates, e.g., 70 to 100 pixels per inch, it is difficult to obtain enough gray scale levels to minimize contouring without using an objectionably low screen frequency, e.g., 25 dots per inch.