Device for indicating a quantitative change in dot area of an image in a printing process and the method of making the same

A device for indicating a quantitative change in dot area of an image in a printing process and the method of making the same. The apparatus includes a square matrix array on a substrate. Four square members are provided in the matrix array on the substrate. The square members are each equal in size...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WARNER, RICHARD D
Format:	Patent
Sprache:	eng
Schlagworte:	LINING MACHINES PERFORMING OPERATIONS PRINTING PRINTING MACHINES OR PRESSES STAMPS TRANSPORTING TYPEWRITERS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!