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Pulsed constant current source for continuous tone resistive ribbon printers
Pulsed constant current source for continuous tone resistive ribbon printers
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机译:连续式电阻色带打印机的脉冲恒流源
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摘要
A pulsed constant current circuit is disclosed for each electrode of a resistive ribbon thermal printer. The circuit is energized for a predetermined time and provides a constant current pulse through the electrode to the resistive ribbon to cause a predetermined amount of dye to transfer from the ribbon to thereby provide a continuous tone print.
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