PHASE-LOCKED WEB POSITION SIGNAL USING WEB FIDUCIALS

Approaches for enhancing web position determination involve phase locking a web movement encoder signal to a sensed web fiducial signal. Fiducials disposed along a longitudinal axis of a substrate are sensed and corresponding sensor signals are generated. An estimated web position is provided by one...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	THEIS, Daniel J, CARLSON, Daniel H, NELSON, Brian K
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING CONVEYING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PACKING PERFORMING OPERATIONS PHYSICS REGULATING STORING TRANSPORTING
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