Thermal printing method and thermal printer

Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light

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Details

395108, 347183, 347186, 347188, G06K1/00

Patent

active

059037148

ABSTRACT:
A thermal head has a heating element array with a plurality of heating elements disposed in line and a head driver. The head driver drives the heating elements at the same time in accordance with each set of heating data of 8 bits to record dots of one line on a recording sheet. In printing dots by using heating data of 9 bits, a heating data divider circuit divides the 9-bit heating data into two series of 8-bit converted heating data. By using these two series of the 8-bit converted heating data, two heating sequences are continuously executed. Each heating element is heated by the two heating sequences as many times as that corresponding to the heating data.

REFERENCES:
patent: 5319391 (1994-06-01), Takahashi et al.
patent: 5661512 (1997-08-01), Fukuda et al.

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