Printer using ink ribbon

Typewriting machines – Including control of format and selection of type-face by...

Reexamination Certificate

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C400S070000, C400S076000

Reexamination Certificate

active

06923581

ABSTRACT:
A plurality of current patterns with regard to driving current which flows in a driving motor for a ribbon winding shaft are set in advance. The driving motor is driven based on the current pattern selected from a plurality of current patterns on an operation panel. The plurality of current patterns are set in advance so that the tension applied to the ink ribbon, which is between a printing head and a ribbon winding shaft, is an approximate predetermined value from the start to the end of ribbon winding according to the kind of the ink ribbon installed on a ribbon supply shaft.

REFERENCES:
patent: 4623902 (1986-11-01), Yamanishi
patent: 5490638 (1996-02-01), Driftmyer et al.
patent: 5529410 (1996-06-01), Hunter et al.
patent: 5788384 (1998-08-01), Goodwin et al.
patent: 5820277 (1998-10-01), Schulte
patent: 6082914 (2000-07-01), Barrus et al.
patent: 6164203 (2000-12-01), Keller
patent: 6527026 (2003-03-01), Huggins
patent: 7-89172 (1995-04-01), None
patent: 07323651 (1995-12-01), None

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