Incremental printing of symbolic information – Thermal marking apparatus or processes – Having driving circuitry for recording means
Patent
1996-12-11
1998-07-28
Tran, Huan H.
Incremental printing of symbolic information
Thermal marking apparatus or processes
Having driving circuitry for recording means
B41J 2345
Patent
active
057868395
ABSTRACT:
A thermal head comprising heating resistors connected in series and arranged on an edge portion of a substrate, first group switching elements respectively connected to first group electrode patterns, second group switching elements respectively connected to second group electrode patterns, and a selecting circuit for selecting one group or the other group of every other switching elements in the second group switching elements, and for selecting at least one of the first group switching elements, whereby a high quality of printing is attained without using diode array.
REFERENCES:
patent: 4963893 (1990-10-01), Homma et al.
patent: 5422661 (1995-06-01), Takeuchi et al.
Mitsubishi Denki & Kabushiki Kaisha
Tran Huan H.
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