Printer for recording on a moving medium

A method for forming a pixel (20) having a predetermined density onto a sensitized recording medium moving in a length direction energizes a pixel exposure source (14) to begin exposure at the leading edge (34) of a pixel (20) and for a first predetermined time interval. The pixel exposure source (1...

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Bibliographische Detailangaben
Hauptverfasser:	BLISH NELSON A, MACKENZIE SCOTT P
Format:	Patent
Sprache:	eng
Schlagworte:	CORRECTION OF TYPOGRAPHICAL ERRORS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PICTORIAL COMMUNICATION, e.g. TELEVISION PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A method for forming a pixel (20) having a predetermined density onto a sensitized recording medium moving in a length direction energizes a pixel exposure source (14) to begin exposure at the leading edge (34) of a pixel (20) and for a first predetermined time interval. The pixel exposure source (14) is de-energized for a period depending on the predetermined density and on media transport speed, then re-energized at the termination of the period. The pixel exposure source (14) is then de-energized at the end of a second predetermined time interval to terminate exposure at the trailing edge (36) of the pixel (20), whereby spatial dimensions of each pixel (20) are maintained at variable transport speed or density of pixel (20).