Thermal recording apparatus

Details Thermal recording apparatus Thermal recording apparatus

1979-01-17

1980-08-26

Hartary, Joseph W.

Recorders

Thermal recording

219216, 400120, G01D 1510

Patent

active

042198240

ABSTRACT:
The output voltage of the drive power source for energizing the heating resistor elements on the thermal recording head, falls in response to the increase in the currents through the elements. This invention provides a thermal recording apparatus in which the time period for power supply to the elements is controlled in accordance with the number of the elements to be simultaneously energized so that the deficiency in the heat generated by each element, due to the voltage fall is obviated.

REFERENCES:
patent: 3934695 (1976-01-01), Kovalick
patent: 3975707 (1976-08-01), Ito
patent: 3984844 (1976-10-01), Tanno

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