System and method for protecting a printer from an over-temperature condition in a printhead

A method responds to an over-temperature condition in a printhead (32,34,36,38). The method includes generating a first electrical signal corresponding to a temperature in a printhead (32,34,36,38), monitoring the first electrical signal with a first electronic circuit to terminate delivery of elect...

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Bibliographische Detailangaben
Hauptverfasser:	GADKE, CHRISTIAN C, BOYCE, AARON L, MORRISON, NATHANIEL, KNIERIM, DAVID L, BAUR, BRUCE K, OIEN, LEE M
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CORRECTION OF TYPOGRAPHICAL ERRORS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A method responds to an over-temperature condition in a printhead (32,34,36,38). The method includes generating a first electrical signal corresponding to a temperature in a printhead (32,34,36,38), monitoring the first electrical signal with a first electronic circuit to terminate delivery of electrical power to a printhead (32,34,36,38) in response to detection of a safety event, and monitoring the first electrical signal with a second electronic circuit to regulate an amount of electrical power delivered to the printhead (32,34,36,38).