Thermal head driving system

Details Thermal head driving system Thermal head driving system

1983-01-14

1985-09-24

Tarcza, Thomas H.

Recorders

Thermal recording

400120, G01D 1510

Patent

active

045435871

ABSTRACT:
A thermal recording apparatus operates to efficiently utilize a smaller capacity power supply by the provision of a capacitor in parallel with the power supply source. The capacitor is discharged during printing cycles and is recharged in the interval between the end of one line printing operation and the beginning of the next. This interval is increased in proportion to the percentage of black bits printed in a given line, such that the capacitor may be sufficiently charged and the power supply efficiently used.

REFERENCES:
patent: 4409600 (1983-10-01), Minowa
patent: 4454516 (1984-06-01), Moriguchi et al.

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