Device for compensating for fluctuation of ink transfer in therm

Details Device for compensating for fluctuation of ink transfer in therm Device for compensating for fluctuation of ink transfer in therm

1985-06-04

1986-10-21

Evans, A.

Recorders

Thermal recording

400120, 4002403, 346106, G01D 1510

Patent

active

046188703

ABSTRACT:
A device for compensating fluctuation in the amount of ink transfer in a thermal transfer type printer in which plurality of densities or a plurality of colors of thermally fusible ink are thermally transferred to a printing medium sequentially over a plurality of times so as to reproduce a halftone and/or color image. Transfer signals other than a particular one which is to be transferred are weighted and added to or subtracted from the latter to compensate transfer energy at the time of multi-layer transfer. Fluctuation of the transfer energy due to previously transferred ink is prevented to enhance the quality of image reproduction.

REFERENCES:
patent: 4399749 (1983-08-01), Arai
patent: 4492965 (1985-01-01), Ohnishi et al.
patent: 4524368 (1985-06-01), Inui et al.

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