Heat history control system, printer, and program

Details Heat history control system, printer, and program Heat history control system, printer, and program

2005-05-24

2005-05-24

Tran, Huan (Department: 2861)

Incremental printing of symbolic information

Thermal marking apparatus or processes

Density control

Reexamination Certificate

active

06897887

ABSTRACT:
A memory stores printing data. A CPU reads, from the memory, printing data on a target line to be printed subsequently and printing data on a plurality of immediately preceding lines, performs an arithmetic operation with respect to the read printing data to determine a history pattern, stores the determined history pattern in the memory, reads, from the memory, the history pattern of a history factor which is a dot exerting the influence of heat accumulation on a target dot to be printed subsequently, transmits the read history pattern to a thermal print head interface unit, and transmits a history timer value preliminarily allocated to the history factor to the thermal print head interface unit. The thermal print head interface unit drives a thermal print head based on the history pattern and on the history timer value.

REFERENCES:
patent: 4709149 (1987-11-01), Takahashi et al.
patent: 5548688 (1996-08-01), Wiklof et al.
patent: 6008831 (1999-12-01), Nakanishi et al.
patent: 4-146158 (1992-05-01), None

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