Registers – Coded record sensors – Particular sensor structure
Patent
1992-09-14
1994-03-22
Pitts, Harold
Registers
Coded record sensors
Particular sensor structure
235463, 235467, G06K 710
Patent
active
052966917
ABSTRACT:
This invention features a device and method for reading machine readable code, having a plurality of code elements, on an object. The device includes a scanning apparatus, a signal processor and a data processor. The scanning apparatus successively scans the code and outputs a signal representative of at least a portion of the code, for each successive scan of the code. The signal processor processes each of the signals outputted by the scanning apparatus and further provides signal identification data, including a width and position associated with each of the outputted signals, for each successive scan of the code. The data processor reconstructs the code from the signal identification data for each successive scan of the code, provided by the signal processor. The data processor reconstructs the code by both determining the position of a selected code element for a successive scan and by positionally aligning the selected code element with the corresponding element from a prior scan. In a preferred embodiment, the device of the present invention can simultaneously read and decode a plurality of bar codes affixed to an item which approaches the scan line of the device at any orientation.
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Kenney Daniel A.
Nordstrom Larry A.
Waldron James R.
LazerData Corporation
Pitts Harold
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