THERMAL PRINTERS
IMPROVEMENTS IN THERMAL PRINTERS Each resistive element of a thermal print bar operated in a scan mode is series connected to a thick film switch which sets a voltage threshold to isolate the element from periodic scan pulses unless coincident with an element selecting data pulse in which case the t...
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| Format: | Patent |
| Sprache: | eng ; fre |
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| Zusammenfassung: | IMPROVEMENTS IN THERMAL PRINTERS Each resistive element of a thermal print bar operated in a scan mode is series connected to a thick film switch which sets a voltage threshold to isolate the element from periodic scan pulses unless coincident with an element selecting data pulse in which case the thick film switches and the resistive element undergoes joule heating. - i |
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