Patent ID: 6164543
Filing Date: 2000-12-26
Classification: G06K

Abstract:
A method of reading bar codes comprising:receiving data representing an image of said bar code which is to be read;performing a first analysis on said data wherein said first analysis determines if said bar code is bounded by areas of reflectivity;performing a second analysis on said data wherein said second analysis counts the number of stripes on said bar code between said areas of reflectivity;performing a third analysis on said data wherein said third analysis compares the width of the widest reflective stripe on said bar code to the width of the second widest reflective stripe on said bar code;performing a forth analysis on said data wherein said forth analysis compares the width of the second widest nonreflective stripe on said bar code to the width of the third widest nonreflective stripe on said bar code;performing a fifth analysis on said data wherein said fifth analysis deciphers said data.