Method of adjusting strobe length in a thermal printer to...

Details Method of adjusting strobe length in a thermal printer to... Method of adjusting strobe length in a thermal printer to...

2007-08-14

2007-08-14

Feggins, K. (Department: 2861)

Incremental printing of symbolic information

Thermal marking apparatus or processes

Density control

Reexamination Certificate

active

11051917

ABSTRACT:
A thermal printing apparatus and a method of controlling a thermal printing apparatus is provided wherein the duration of the strobe pulse utilized to transfer the ink from the carrier to the media is controlled and adjusted by a correction factor. The correction factor is calculated by the printer controller based directly on feedback regarding the actual transport time required to advance the media between encoder steps. Generally, the present invention controls a thermal printer in a manner that accounts for the transport speed between each encoder step and applies the correction factor to the strobe signal duration in a manner that maintains a uniform print density.

REFERENCES:
patent: 5508820 (1996-04-01), Kabeya
patent: 5555462 (1996-09-01), Fukumoto et al.
patent: 5657066 (1997-08-01), Adams et al.
patent: 6095700 (2000-08-01), Negishi et al.
patent: 6106176 (2000-08-01), Yanagisawa et al.
patent: RE37845 (2002-09-01), Kamada et al.
patent: 6788324 (2004-09-01), Fisher et al.

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