How come barcode scanner can scan barcode upside down with same results? When you scan a barcode straight or upside down how come it still comes up with same results.
i thought scanning was identified by the space between stripes.
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- Tue Jan 14, 2014 7:25 pm
- Forum: Help with using Inkscape
- Topic: barcode scanner can scan barcode upside
- Replies: 2
- Views: 1276