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Facet Dependent Digital Filter

IP.com Disclosure Number: IPCOM000052958D
Original Publication Date: 1981-Aug-01
Included in the Prior Art Database: 2005-Feb-12

Publishing Venue

IBM

Related People

Authors:
Broockman, EC [+details]

Abstract

This article describes a technique for implementing a variable digital filter in an optical bar code scanner. The filter threshold is changed for different scan lines in a scan pattern as a function of actual beam scan speed.