Incremental printing of symbolic information – Thermal marking apparatus or processes – With transfer medium or driving means therefor
Patent
1994-01-05
1995-09-05
Tran, Huan H.
Incremental printing of symbolic information
Thermal marking apparatus or processes
With transfer medium or driving means therefor
400232, B41J 1708, B41J 1710, B41J 3336, B41J 1706
Patent
active
054482836
ABSTRACT:
A thermal transfer printer which controls a speed of an ink sheet based on density information of document image data uses a counting part for counting the number of maximum density pixels or gradation pulses in document image data and uses a speed ratio changing part for changing a speed ratio between a feeding speed of a recording medium and a feeding speed of an ink sheet based on the number of maximum density pixels or gradation pulses which have been counted by the counting part.
Ricoh & Company, Ltd.
Tran Huan H.
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