Dot-matrix print controller

Details Dot-matrix print controller Dot-matrix print controller

1984-09-26

1986-01-28

Sewell, Paul T.

Typewriting machines

Typing by other than type-face or type-die

Thermal

346 76PH, 400 22, 400121, B41J 320

Patent

active

045668132

ABSTRACT:
A dot-matrix print controller having a dot pattern generating means for generating a dot pattern to be printed and a means for supplying current pulses to a dot-matrix print head in accordance with an output of said dot pattern generating means, said controller comprising a counter means for counting the number of dots of a dot pattern to be printed; and a pulse width control means for controlling the width of said current pulses applied to said print head so that the thickness of print is constant.

REFERENCES:
patent: 4464669 (1984-08-01), Sekiya et al.
IBM Tech. Disc. Bulletin, B. R. Cavill et al., vol. 24, No. 11A, Apr., 1982, pp. 5430-5432.

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