Multiple focus optical system for data reading applications

An optical system and method for data reading having a light source which generates an optical beam directed toward an object to be read and a focusing system in the outgoing light path which establishes multiple beam functions. In a preferred application, a scanning system includes a multifocal len...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ARENDS, THOMAS C, REDDERSEN, BRAD R
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING HANDLING RECORD CARRIERS PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS
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