Method and apparatus for thermal printing

Details Method and apparatus for thermal printing Method and apparatus for thermal printing

1984-06-13

1985-08-13

Goldberg, E. A.

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219216, H05B 300

Patent

active

045353409

ABSTRACT:
A thermal head is provided with a plurality of juxtaposed heat generating resistors for applying heat to heat sensitive printing medium for reproducing a picture. The resistance values of the heat generating resistors are individually detected at predetermined times and used to update the contents of a memory means. An arithmetic operating circuit calculates quantities of electric power to be supplied to respective heat generating resistors for causing them to generate the same quantity of heat irrespective of the difference in the resistance values of the heat generating resistors.

REFERENCES:
patent: 3725898 (1973-04-01), Canton
patent: 4168421 (1979-09-01), Ito
patent: 4330786 (1982-05-01), Hatabe et al.

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