MAGNETOGRAPHIC PRINTING PROCESS AND DEVICE FOR IMPLEMENTING SAID PROCESS

摘要

A magnetographic printing process comprises the following steps: a) A first item of information is recorded, b) part of the information written during step (a) is erased, c) a second item of information, at least part of which is located in the region erased during step (b), is recorded. A device for implementing the process comprises at least three magnetic heads, including at least one erasing head and two recording heads, said erasing head being arranged so as to erase the writing region (14) common to at least two recording heads. Application to continuous printing of data in bar code form.