Litton Business Systems, Inc.

Edward C Marshall

Amnon Goldstein

Myron D Goldman

Robert W Swett

Paul E Stanford

Hot printing of hard copy i.e., human readable, characters to meet the strict, high quality dimensional and other standards required for automatic optical or other means of reading such characters. The printing is effected by a heat responsive ink means. In the present embodiment, the ink means is heated by the printing members. Documents, especially tags or labels, marked with such hot printed automatically readable characters. The documents may also contain punched encoded information; and may further have printed thereon conventional, human but not automatically readable characters.

Printing of automatically readable characters

A document imprinter, especially for labels, tickets, tags, and the like, having a rotary printing unit and an inking roller therefor, having a novel means for driving the inking roller at a constant rotational ratio relative to the rotary printing unit even though the distance between the two is changed, said novel means comprising a deformable cup-shaped member.

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Upper Montclair, NJ, United States of America

Edward C Marshall