Thermal printer with means for reducing color shifts

Details Thermal printer with means for reducing color shifts Thermal printer with means for reducing color shifts

1992-09-04

1996-01-09

Tran, Huan H.

Incremental printing of symbolic information

Thermal marking apparatus or processes

Record receiver driving means

400582, 346134, 346136, B41J 1142

Patent

active

054832756

ABSTRACT:
A thermal printer includes a memory for storing a correction for cancelling variations in a paper feed caused by a previously determined uneven paper feed, a first calculator for calculating an uneven paper feed in each of the lines to be printed, a second calculator for calculating a correction corresponding to the uneven paper feed calculated by the first calculator; and a control for controlling the paper feed in each of the lines according to the correction calculated by the second calculator.

REFERENCES:
patent: 4912490 (1990-03-01), Negoro et al.
"Method for Controlling Paper Feeding" Patent Hitachi Seisakusho; A-57 142 380; Sep. 1982.
"Recording Apparatus"; A-61-144 371; Konishiroku Photo Ind.; Jul. 1986.
"Control Method for Heat Storage of Thermal Head"; A-11 80 365; Shinko Electric Co. Ltd.; Jul. 1989.

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