Apparatus for printing serial numbers with check digits

Details Apparatus for printing serial numbers with check digits Apparatus for printing serial numbers with check digits

1978-04-11

1980-06-17

Pieprz, William

Printing

Selective or progressive

Numbering

101 85, 101110, 4001442, 235437, B41L 4902, B41J 302, B41F 386

Patent

active

042078148

ABSTRACT:
Method and apparatus for use in numbering a series of successively fed documents with consecutive serial numbers and corresponding check digits, including weighted, non-sequential check digits. The check digits are independently applied by a single, engraved wheel mounted on the periphery of a rotating sleeve and positioned by an eccentrically-mounted electronically-controlled stepping motor, with the consecutive serial numbers being applied by a conventional consecutive decimal numbering head mounted to a separate, rotating shaft. Multiple check digit wheels and/or multiple consecutive decimal numbering heads may be employed.

REFERENCES:
patent: 2821916 (1958-02-01), Miles
patent: 2825279 (1958-03-01), Gottscho
patent: 3166243 (1965-01-01), Torre
patent: 3406628 (1968-10-01), Le Gault
patent: 3420163 (1969-01-01), Ritzerfeld
patent: 3427961 (1969-02-01), Eggeringhaus
patent: 3573589 (1971-04-01), Berry
patent: 3598044 (1971-08-01), Hutchinson
patent: 3603251 (1971-09-01), Elsworth
patent: 3650205 (1972-03-01), Wybrow et al.
patent: 3707214 (1972-12-01), Ponzano
patent: 3728960 (1973-04-01), Heath
patent: 3734010 (1973-05-01), Le Gault et al.
patent: 3782277 (1974-01-01), Neal
patent: 3815495 (1974-06-01), Strackbein
patent: 3833795 (1974-09-01), Shoshani et al.
Lavin et al., "Printing Numbering Head . . . "IBM Technical Disclosure Bulletin, vol. 10, No. 12, p. 1873, 5/68.

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