Apparatus, system and method for calibrating the longitudinal ac

Facsimile and static presentation processing – Static presentation processing – Size – resolution – or scale control

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358 13, 358 19, 347 19, 364422, 367 25, G06F 1500

Patent

active

061280976

ABSTRACT:
A method, system and apparatus for calibrating the longitudinal accuracy of marking devices by using a comparison of a pattern printed on the transverse scale to a pattern printed on the longitudinal scale to calibrate the longitudinal scale is disclosed. The marking device could be a strip chart recorder, a printer, a well log printer or any other marking device for which one scale is less subject to variations or error than another. The information used for the calibration may be retained for re-use.

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