Thermal head drive circuit

Details Thermal head drive circuit Thermal head drive circuit

1984-01-10

1986-08-19

Miller, Jr., George H.

Recorders

Thermal recording

219216, G01D 1510, H05B 300

Patent

active

046072624

ABSTRACT:
A thermal head drive circuit for use with a thermal head comprising multiple heat generating elements for data recording comprising a heat accumulation calculating unit (36) for calculating the heat residual from prior recording steps and a pulse width calculating unit (38) for calculating the pulse widths of voltage to be applied to an element dependent on the calculated residual heat and the pulse width of the prior recording step.

REFERENCES:
patent: 4415908 (1983-11-01), Sugiura
patent: 4423424 (1983-12-01), Takayama
patent: 4524368 (1985-06-01), Inui et al.

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