Thermal printing apparatus

Details Thermal printing apparatus Thermal printing apparatus

1986-04-08

1988-11-08

Goldberg, E. A.

Recorders

Thermal recording

219216, G01D 1516

Patent

active

047836687

ABSTRACT:
A thermal printing apparatus comprises a thermal printing head comprising heating elements which are applied with a constant current depending on printing data. One picture element is printed by use of at least two heating elements. Time periods in which heating times of the heating elements are controlled are time divisionally assigned depending on the gradation so that a time period in which the heating time of a certain heating element is controlled partly overlaps a time period in which the heating time of another heating element is controlled.

REFERENCES:
patent: 4355319 (1982-10-01), Takeuchi et al.
patent: 4399749 (1983-08-01), Arai
patent: 4532523 (1985-07-01), Tanaka
patent: 4563691 (1986-01-01), Noguchi et al.

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