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Bidirectional Impact Printer Having Forced Direction Printing

IP.com Disclosure Number: IPCOM000057671D
Original Publication Date: 1988-Jun-01
Included in the Prior Art Database: 2005-Feb-15

Publishing Venue

IBM

Related People

Authors:
Mayo, RD Schuller, WM Solie, RO [+details]

Abstract

A bidirectional impact printer, which is used with a personal computer (PC), is forced to move only in the left to right direction whenever data is not received from the PC within a predetermined period of time. A bidirectional impact printer, which is used with a PC, prints in either direction so as to have the shortest print time for printing each line. Thus, it can print consecutive lines in the same or different directions. This requires a line of characters to be built and held until a line-ending code, such as a carriage return, for example, is received. The line of characters is received in accordance with the pitch of the printwheel.