Resistive sheet thermal transfer printer

Details Resistive sheet thermal transfer printer Resistive sheet thermal transfer printer

1992-02-19

1994-06-28

Fuller, Benjamin R.

Recorders

Thermal recording

400120, B41J 237

Patent

active

053251130

ABSTRACT:
A resistive sheet thermal transfer printer includes a printing head having m (m is an integer) recording electrodes and a common electrode both-in contact with a resistance layer of an ink sheet, the m recording electrodes being arranged in a line, and being separated from the common electrode by a predetermined distance, where m is an integer, a driving circuit for applying a driving voltage across the common electrode and one or plurality of recording electrodes selected from the m recording electrodes in accordance with printing data supplied from an external unit, a controller for controlling the driving circuit, when the driving voltage is simultaneously applied across the common electrode and selected successively arranged recording electrodes, so that an amount of driving voltage applied across the common electrode and an end recording electrode positioned at an end of the selected successively arranged recording electrodes is less than an amount of driving voltage applied across the common electrode and each of the selected successively arranged recording electrodes other than the end recording electrode.

REFERENCES:
patent: 4639741 (1987-01-01), Inoue
patent: 4970530 (1990-11-01), Takeda
patent: 5079566 (1992-01-01), Mori
patent: 5089831 (1992-02-01), Ito et al.
patent: 5107277 (1992-04-01), Mori
"Electric Ink Transfer Recording Method Using Multi-Stylus" (Journal of the Institute of Image Electronics Engineers of Japan 16, 1 (1987) )*.

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