Combining bar code read data

Details Combining bar code read data Combining bar code read data

G - Physics

06

K

352/53.74

G06K 7/14 (2006.01) G06K 7/016 (2006.01) G06K 7/10 (2006.01)

Patent

CA 1310417

COMBINING BAR CODE READ DATA ABSTRACT OF THE DISCLOSURE A bar code reading arrangement (apparatus and method) for reading and combining and connecting fragmentary read data. A bar code scanner provides a plurality of one-dimensional images and comprises an image sensor for reading the bar code data. As the scanner is moved relative to the bar code, a plurality of parallel scanning lines are formed from the one-dimensional images. Bar code data segments from the scanning lines are read by the image sensor and are combined in accordance with a pre-processing and combining method. The pre-processing method comprises the steps of: reading information on the image sensor concerning the positions of end points located at or near both ends of the bar code; defining an end point as being fixed or moving, based on the relative positional change of the end point; and reading the data segments as both bar code information, and positional information with respect to the positions of the end points.

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