Method and apparatus for calibrating image alignment errors

Details Method and apparatus for calibrating image alignment errors Method and apparatus for calibrating image alignment errors

2006-04-11

2006-04-11

Feggins, K. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

Reexamination Certificate

active

07025435

ABSTRACT:
A method and apparatus for calibrating image alignment errors is provided. The method includes printing a horizontal reference line having the length obtained by adding a first horizontal comparison line and a second horizontal comparison line, calibrating the length of the horizontal reference line, printing the first horizontal comparison line, printing the second horizontal comparison line on the same horizontal line as the first horizontal comparison line, calibrating the length of a horizontal comparison line from one end of the first horizontal comparison line printed to one end of the second horizontal comparison line printed, and subtracting the length of the horizontal comparison line from the length of the horizontal reference line.

REFERENCES:
patent: 6353481 (2002-03-01), Lee
patent: 6607260 (2003-08-01), Ikeda
patent: 6727932 (2004-04-01), Enomoto et al.

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