Velocity responsive head driving control apparatus of manual swe

Details Velocity responsive head driving control apparatus of manual swe Velocity responsive head driving control apparatus of manual swe

1990-12-03

1992-05-12

Wiecking, David A.

Typewriting machines

Pocket typewriter

400120, B41J 336, B41J 237

Patent

active

051121492

ABSTRACT:
A manual sweeping printer has a linear thermal head and sweeps in a direction perpendicular to an arranging direction of the thermal head, thereby performing printing. The printer alternately drives two adjacent heating elements to perform 2-time-division printing. When a sweeping velocity of the printer exceeds a maximum sweeping velocity set in accordance with a printing speed, a divisional driving sequence is controlled to perform staggered printing.

REFERENCES:
patent: 3476877 (1969-11-01), Perkins et al.
patent: 3767020 (1973-10-01), Rowe
patent: 4492482 (1985-01-01), Eguchi et al.
patent: 4750049 (1988-06-01), Murakami et al.
patent: 4763137 (1988-08-01), Damon
patent: 4915027 (1990-04-01), Ishibashi
patent: 4933867 (1990-06-01), Ishigaki

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