Thermal printhead

Details Thermal printhead Thermal printhead

2011-03-15

2011-03-15

Tran, Huan H (Department: 2861)

Incremental printing of symbolic information

Thermal marking apparatus or processes

Specific resistance recording element type

Reexamination Certificate

active

07907159

ABSTRACT:
A thermal printhead includes a substrate, a heating resistor formed on the substrate, a drive IC for controlling power application to the heating resistor, and a thermistor mounted on the substrate and including first and second terminals. The drive IC includes a print execution signal terminal for activation of the heating resistor upon application of a voltage higher than a threshold value. The first terminal of the thermistor is connected with the print execution signal terminal.

REFERENCES:
patent: 5335002 (1994-08-01), Nagahata et al.
patent: 5532723 (1996-07-01), Nagahata et al.
patent: 5760813 (1998-06-01), Yamaguchi et al.
patent: 5-221002 (1993-08-01), None

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