Printing ribbon positioning apparatus and method of operation th

Details Printing ribbon positioning apparatus and method of operation th Printing ribbon positioning apparatus and method of operation th

1986-03-19

1988-11-29

Wright, Jr., Ernest T.

Typewriting machines

Including interposed inking device for record-medium

Including mechanism for shifting ribbon laterally at...

400208, 400212, 400217, 400225, 400229, 400232, B41J 3336, B41J 3356

Patent

active

047877634

ABSTRACT:
A printing ribbon positioning apparatus and method of operation thereof advances a ribbon in connection with the printing of a character with one of a plurality of print rows across the width of the ribbon by an amount that takes into consideration the past advancement of the ribbon in connection with the last characters printed with each of the other rows of the ribbon and the widths of the character to be printed and the last character printed with the same print row of the ribbon as the character to be printed.

REFERENCES:
patent: 3346090 (1967-10-01), Goff, Jr. et al.
patent: 3401783 (1968-09-01), Norwood et al.
patent: 4236839 (1980-12-01), Mueller
patent: 4247210 (1981-01-01), Kacmarcik et al.
patent: 4397575 (1983-08-01), Aldrich
patent: 4543002 (1985-09-01), Bittner et al.
patent: 4563100 (1986-01-01), Hamamichi
patent: 4606661 (1986-08-01), Aldrich et al.
patent: 4611938 (1986-09-01), Rettke et al.

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