A printing system with optional devices connected in series

A print system (5) comprises a printer (10) including a printer controller (10a). One or more optional support devices (12,14,16,18,20,22,24,26,27) are associated with the printer, wherein each optional support device includes a device controller. The system further includes a bidirectional serial c...

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Bibliographische Detailangaben
Hauptverfasser:	SHARP, EDWARD CARLTON, PARISH, STEVEN WAYNE, LANGER, DENIS BRIAN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CALCULATING COMPUTING CORRECTION OF TYPOGRAPHICAL ERRORS COUNTING ELECTRIC DIGITAL DATA PROCESSING HANDLING RECORD CARRIERS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PHYSICS PRESENTATION OF DATA PRINTING RECOGNITION OF DATA RECORD CARRIERS SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A print system (5) comprises a printer (10) including a printer controller (10a). One or more optional support devices (12,14,16,18,20,22,24,26,27) are associated with the printer, wherein each optional support device includes a device controller. The system further includes a bidirectional serial communications path, including one or more trunklines (30,31,32,33), which provides serial electrical interconnection between the printer controller (10a) and each device controller of each optional support device (12,14,16,18,20,22,24,26,27) of the system. The printer controller (10a) automatically assigns a unique device address to each optional support device. Each optional support device further includes logic circuitry which, based upon a command of the printer controller, enables passage of information generated by the printer controller through a first optional support device to a next electrically serially connected optional support device following an assignment of a first device address to the first optional support device.