Browse Prior Art Database

Print Start Algorithm Using Microprocessor Table Lookup

IP.com Disclosure Number: IPCOM000066666D
Original Publication Date: 1979-Apr-01
Included in the Prior Art Database: 2005-Feb-20

Publishing Venue

IBM

Related People

Authors:
Irwin, JW Martin, VC [+details]

Abstract

This article describes a method which is used for obtaining synchronization between input data and an ink jet printer where the printer uses a rotating drum and translating carriage. The method selects the best coincident point to begin printing in a helical scanning-printing system, such as that shown in U.S. Patent 4063254. Such a system has multiple beginning points because of its use of an interlace printing nozzle array. This method selects the optimum synchronized beginning point within one-eighth drum revolution of the print drum using a table lookup. The method is implemented by a microprocessor; however, hard logic could be used with table entries stored in a read-only storage.