Thermal transfer recording apparatus and method for regularly as

Details Thermal transfer recording apparatus and method for regularly as Thermal transfer recording apparatus and method for regularly as

1996-09-26

1998-03-31

Tran, Huan H.

Incremental printing of symbolic information

Thermal marking apparatus or processes

Multicolor

B41J 232, B41J 2325

Patent

active

057344108

ABSTRACT:
By using a recording method in which a different plurality of blank dots are printed for each color in a thermal transfer recording apparatus, a printed sheet does not have visually recognizable white dots which are seen as high frequency noise, thereby creating a high quality printing record. Such thermal transfer recording apparatus has a conversion table for receiving a line display signal, a signal indicating whether a color density signal corresponds to an odd-numbered line or to an even-numbered line and an identification signal for identifying a respective color, and outputs a print signal for each color. The print signal converted by the conversion table indicates the locations of blank dots for each respective color, and different blank dots are assigned for each different color, thereby realizing a superior image quality.

REFERENCES:
patent: 4250511 (1981-02-01), Stein et al.

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