Ink ribbon positioning system for color printing apparatus

Details Ink ribbon positioning system for color printing apparatus Ink ribbon positioning system for color printing apparatus

1988-03-17

1990-01-16

Pieprz, William

Typewriting machines

Including interposed inking device for record-medium

Ribbon-feeding mechanism

4002403, 400236, B41J 3334

Patent

active

048939510

ABSTRACT:
A color ink ribbon positioning system for use with color printing apparatus that uses a color ink ribbon having a plurality of different colored ink regions formed at predetermined intervals on a ribbon base, in which only a single ink region marker block is provided for each set of colored ink regions, includes a detector for detaching the ink region marker block and a calculating unit for determining the leading edge of each color ink region that is to be successively arranged next to the printer head, so that is it only necessary to detect the single marker block in order to advance the ribbon to print the successive colors of a set.

REFERENCES:
patent: 4475829 (1984-10-01), Goff, Jr. et al.
patent: 4496955 (1985-01-01), Maeyama et al.
patent: 4562443 (1985-12-01), Matsuno et al.
patent: 4614950 (1986-09-01), Ito
patent: 4632585 (1986-12-01), Oyamatsu et al.

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