Thermal-printing device with defective resistive heating element

Details Thermal-printing device with defective resistive heating element Thermal-printing device with defective resistive heating element

1984-04-18

1985-02-19

Goldberg, E. A.

Recorders

Thermal recording

219216, 219506, 400120, G01D 1510, H05B 102, H05B 100, B41J 320

Patent

active

045008930

ABSTRACT:
A thermal-printing device prints by selectively supplying a current to a plurality of heat generating elements in accordance with printing data. In a check mode, the thermal-printing device sequentially supplies a check current to the heat generating elements through a light-emitting diode and a current-limiting resistor.

REFERENCES:
patent: 3467810 (1969-09-01), Cady, Jr.
patent: 4369354 (1983-01-01), Goedecke et al.
patent: 4453166 (1984-06-01), Enot

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