Fixed head thermal printer

Details Fixed head thermal printer Fixed head thermal printer

1987-01-29

1988-04-19

Eickholt, Eugene H.

Typewriting machines

Typing by other than type-face or type-die

Thermal

346 76PH, 219216, B41J 302, H05B 100

Patent

active

047385537

ABSTRACT:
A fixed head thermal printer with a plurality of printing elements defining a line of print. Power is supplied to blocks of elements sequentially with a number of blocks receiving power simultaneously, that number being determined in accordance with the number of dots to be printed. The width of the paper is detected and elements not adjacent the paper are prevented from operating. In one embodiment, slack in a loop of paper from a roll is detected to control the driving speed of the roll.

REFERENCES:
patent: 4273457 (1981-06-01), Noda
patent: 4395146 (1983-07-01), Arai
patent: 4447819 (1984-05-01), Moriguchi et al.
patent: 4524368 (1985-06-01), Inui et al.
patent: 4536772 (1985-08-01), Isogai

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