Readability monitoring system for optical codes

Details Readability monitoring system for optical codes Readability monitoring system for optical codes

1996-06-10

1998-11-17

Evans, F. L.

Registers

Coded record sensors

Error checking

235462, 235383, G06K 500

Patent

active

058379835

ABSTRACT:
An apparatus and method for monitoring and reporting optical symbol readability and operator and reader performance levels. The apparatus includes a reader for optical symbols which measures and reports the values of measurements with respect to the symbol and events occurring during the reading process indicative of the label readability. The apparatus further comprises data accumulation device including a memory storage to accumulate these measurement values for each set of labels, and a programmed computing system to analyze the measured values and report on the results of the analysis. A preferred method of monitoring and reporting optical symbol readability and operator and reader performance levels includes the steps of reading or attempting to read an optical symbol, performing measurements within the symbol and noting events during the reading process, accumulating these values, analyzing the accumulated data, and producing a report which lists the sets of labels which had readability problems. The method also includes the optional step of listing the reading devices and reader operators which had more problems in reading symbols than expected.

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patent: 5493108 (1996-02-01), Cherry et al.
patent: 5504315 (1996-04-01), Hardesty et al.

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