| 摘要 |
A print quality verifying apparatus, and methods of operation, for producing a plurality of substantially parallel and preferably equally spaced scans taken along a height of a data carrying graphical symbol, such as a bar code indicia. Each spaced scan taken causing an associated scan reflectance profile signal to be generated and collected. The apparatus including a movably mounted linear laser scanner unit. The movably mounted scanner unit may be positioned in any one of a plurality of scanning positions in a manual, or alternately an automated and controlled manner, to enable the plurality of spaced scans to be taken, with each spaced scan producing a scan reflectance profile signal. An apparatus of the invention may include signal conditioning and data processing elements for digitizing, collecting and processing each scan reflectance profile signal that is generated to enable the print quality of a scanned graphical symbol to be determined and evaluated to industry standards.
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