Impact printer with type font elements having mid-line pitch change capability

An impact printing system which is particularly suitable for word processing is provided with the capability of effecting mid-line pitch changes. The impact printer system which is particularly compatible with interactive display terminals in word processing system has means for receiving a selected...

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Bibliographische Detailangaben
Hauptverfasser:	GAUDET, JAMES L, HURLEY, PATRICK J, BARNES, JOHNNY G, NEUMAN, GROVER H
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING CORRECTION OF TYPOGRAPHICAL ERRORS COUNTING ELECTRIC DIGITAL DATA PROCESSING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PHYSICS PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	An impact printing system which is particularly suitable for word processing is provided with the capability of effecting mid-line pitch changes. The impact printer system which is particularly compatible with interactive display terminals in word processing system has means for receiving a selected one of a plurality of type or character font elements. The pitch of character font elements are different from each other. The printing system includes means for selectively impacting selected characters from selected fonts along lines in a document. The system further includes control apparatus for controlling and determining the selection of font elements to be used and in the case of printing with a particular font element, the characters to be printed in respective positions along the lines of the document to provide the desired document format. The control apparatus includes apparatus for controlling the printing with at least two different font elements having different pitch along a single line.