Thermal transfer recording apparatus having erasing function

Details Thermal transfer recording apparatus having erasing function Thermal transfer recording apparatus having erasing function

1988-05-18

1989-05-16

Goldberg, E. A.

Recorders

Thermal recording

400120, G01D 1510, B41J 320

Patent

active

048313874

ABSTRACT:
In accordance with a printing data, resistive thermo-generating elements in a thermal head are selectively heated to a relatively high temperature and a heat-fusible solid ink on an ink ribbon is thereby melted and the melted ink is transferred to a printing paper, thereby printing characters on a printing sheet. The printed characters can be erased by contacting to the printed portion of the printing sheet the ink ribbon heated by the thermal head to a relatively low temperature. In order to prevent the printing and erasing qualities from being deteriorated due to the change in the environmental temperature, the duration of current application to the resistive thermo-generating elements is compensated for individually for printing and erasing modes in response to the change in the environmental temperature.

REFERENCES:
patent: 4453839 (1984-06-01), Findlay et al.
patent: 4591876 (1986-05-01), Nozaki et al.

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