Incremental printing of symbolic information – Thermal marking apparatus or processes – Density control
Reexamination Certificate
2006-04-04
2006-04-04
Tran, Huan (Department: 2861)
Incremental printing of symbolic information
Thermal marking apparatus or processes
Density control
Reexamination Certificate
active
07023461
ABSTRACT:
The present invention relates to a method for reducing or eliminating cross-talk when operating a thermal print head for printing one line on a recording medium.Energizable heater elements of a thermal print head are drivable with at least one activation pulse for supplying a controllable amount of heat to the heater elements to generate a graphical output level of pixel areas on thermographic material. According to the method a plurality of subsets of the heater elements are sequentially driven to print pixel areas in each line. The cross-talk between pixel areas printed by heater elements in the same and/or different subsets is reduced by calculating a value relating to heat supplied to an nthheater element in accordance with a predetermined relationship relating the effect of heat from any one heater element after activation thereof on the graphical output of neighboring heater elements in the same and/or a different subset, and by driving the nthheater element in accordance with the calculated value.
REFERENCES:
patent: 4360818 (1982-11-01), Moriguchi et al.
patent: 4366489 (1982-12-01), Yamaguchi
patent: 5483273 (1996-01-01), Fujimoto et al.
patent: 5702188 (1997-12-01), Watanabe et al.
patent: 5719615 (1998-02-01), Hashiguchi et al.
patent: 5815191 (1998-09-01), Michielsen et al.
patent: 6008831 (1999-12-01), Nakanishi et al.
patent: 0 304 916 (1989-03-01), None
patent: 1 234 677 (2002-08-01), None
patent: 02 10 2775 (2003-05-01), None
patent: 2 808 476 (2001-11-01), None
Merecki John A.
Sabourin Robert A.
Tran Huan
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