Thermal transfer color gradation printing apparatus

Details Thermal transfer color gradation printing apparatus Thermal transfer color gradation printing apparatus

1984-12-18

1986-09-09

Goldberg, E. A.

Recorders

Thermal recording

346 46, 400120, 358 75, 358298, G01D 1510, B41J 320, H04N 146

Patent

active

046112170

ABSTRACT:
A thermal transfer type printing apparatus comprises a paper feeding mechanism, an ink ribbon traversing over a printing paper, a thermal printing head, a head moving mechanism, and a control circuit. The ink ribbon is divided into at least three colors in a width direction thereof and has first through third ink parts extending in a longitudinal direction thereof. The thermal printing head is arranged at such a location that the ink ribbon is interposed between the head and the printing paper. The head comprises first through third heating element groups respectively opposing the first through third ink parts of the ink ribbon, and the first through third heating element groups each has at least one heating element which is selectively heated depending on a color information signal which is indicative of a color picture or the like which is to be printed. The first through third heating element groups simultaneously print a plurality of different lines by use of the ink coated on the first through third ink parts. The operations of the paper feeding mechanism and the head moving mechanism are controlled by the control circuit.

REFERENCES:
patent: 4251822 (1981-02-01), Hara et al.
patent: 4368491 (1983-01-01), Saito
patent: 4378566 (1983-03-01), Tsuhamura
patent: 4412226 (1983-10-01), Yoshida
patent: 4455579 (1984-06-01), Tsukamura

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