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Flexible Automation and Intelligent Manufacturing, 1997:
Proceedings of the Seventh International FAIM Conference

ISBN 打印: 978-1-56700-089-4

ISBN 在线: 978-1-56700-442-7

PERFORMANCE TESTING OF HAND HELD SCANNERS FOR TWO DIMENSIONAL BAR CODE SYMBOLOGIES

Abstract

In this paper, a suite of standard tests are presented to measure the decode time of hand held scanners. These tests were applied to a PDF417 two-dimensional bar code symbol, and used to compare the performance of five newly developed hand-held scanners. The tests focused on the following factors that typically affect decode time: lighting conditions, reading distance, orientation angles of the scanner, and use of the scanners in a typical freehand application. Results show the tests to be a valid means for comparing performance of differing hand-held scanner technologies typically used for two-dimensional symbologies.
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