Thermal printer and printing method thereof

Details Thermal printer and printing method thereof Thermal printer and printing method thereof

1994-05-17

1997-05-13

Fuller, Benjamin R.

Incremental printing of symbolic information

Thermal marking apparatus or processes

Density control

347192, B41J 236, B41J 237, B41J 2365

Patent

active

056297300

ABSTRACT:
A thermal printer includes a dot number computing memory for detecting the number of dots which are simultaneously heated according to gradation by receiving image dam in line units, a dot number computing controller, a thermistor for detecting the temperature of a thermal print head (TPH), and a corrector for controlling the TPH to emit heat by gradation with a constant energy by varying the pulse width of a strobe signal depending on the detected number of simultaneous heated-by-gradation dots and temperature of the thermal print head, and the printing method thereof.

REFERENCES:
patent: 5087923 (1992-02-01), Bruch

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