Printer for bar code using thin and thick bar code fonts

Details Printer for bar code using thin and thick bar code fonts Printer for bar code using thin and thick bar code fonts

1989-05-16

1991-04-16

Eickholt, Eugene H.

Typewriting machines

Code-printing typewriter

101 9313, 4001451, 400304, B41J 500

Patent

active

050077481

ABSTRACT:
An impact printing device for printing bar code patterns on an information carrier, the patterns including a combination of parallel thin and wide bars separated by spaces wherein the wide bars can have an imprint width which is a multiple of the thin bars, comprising a movable type carrier, a plurality of bar code type elements on said type carrier, the bar code type elements including first type elements having a pair of imprint forming parallel thin bars and second type elements having a single imprint forming thick bar, and a plurality of print hammers each defining a print position of a print line and each operable selectively to successively impact combinations of the first and second type elements at the same print position to form completed bar code imprints at the print position having a wide bar imprint with a width greater than the single thick bars of the second type elements.

REFERENCES:
patent: 3702585 (1972-11-01), Landis et al.
patent: 3820456 (1974-06-01), Wolfheimer
patent: 3869980 (1975-03-01), Schroeder, Jr.
patent: 3977509 (1976-08-01), Leersnijder
patent: 3983805 (1976-10-01), Perkett et al.
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patent: 4278018 (1981-07-01), Johannesson
patent: 4306817 (1981-12-01), Alas
patent: 4396303 (1983-08-01), Uddgren
patent: 4661001 (1987-04-01), Takai et al.
patent: 4762063 (1988-08-01), Yeagle
patent: 4810867 (1989-03-01), Speicher
patent: 4824266 (1989-04-01), Fujii et al.
patent: 4917011 (1990-04-01), Mernauer
"Print Hammer Arrangement", IBM Tech. Discl. Bull., vol. 9, No. 8, 1/67, pp. 1013-1014.
"Multi-Tierless Condensed Bar Code", IBM Tech. Discl. Bull., vol. 26, No. 2, 7/83, pp. 766-767.

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